Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/ruamel/yaml/constructor.py @ 0:4f3585e2f14b draft default tip
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author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # coding: utf-8 |
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2 |
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3 from __future__ import print_function, absolute_import, division |
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4 |
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5 import datetime |
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6 import base64 |
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7 import binascii |
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8 import re |
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9 import sys |
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10 import types |
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11 import warnings |
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12 |
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13 # fmt: off |
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14 from ruamel.yaml.error import (MarkedYAMLError, MarkedYAMLFutureWarning, |
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15 MantissaNoDotYAML1_1Warning) |
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16 from ruamel.yaml.nodes import * # NOQA |
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17 from ruamel.yaml.nodes import (SequenceNode, MappingNode, ScalarNode) |
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18 from ruamel.yaml.compat import (utf8, builtins_module, to_str, PY2, PY3, # NOQA |
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19 text_type, nprint, nprintf, version_tnf) |
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20 from ruamel.yaml.compat import ordereddict, Hashable, MutableSequence # type: ignore |
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21 from ruamel.yaml.compat import MutableMapping # type: ignore |
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22 |
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23 from ruamel.yaml.comments import * # NOQA |
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24 from ruamel.yaml.comments import (CommentedMap, CommentedOrderedMap, CommentedSet, |
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25 CommentedKeySeq, CommentedSeq, TaggedScalar, |
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26 CommentedKeyMap) |
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27 from ruamel.yaml.scalarstring import (SingleQuotedScalarString, DoubleQuotedScalarString, |
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28 LiteralScalarString, FoldedScalarString, |
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29 PlainScalarString, ScalarString,) |
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30 from ruamel.yaml.scalarint import ScalarInt, BinaryInt, OctalInt, HexInt, HexCapsInt |
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31 from ruamel.yaml.scalarfloat import ScalarFloat |
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32 from ruamel.yaml.scalarbool import ScalarBoolean |
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33 from ruamel.yaml.timestamp import TimeStamp |
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34 from ruamel.yaml.util import RegExp |
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35 |
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36 if False: # MYPY |
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37 from typing import Any, Dict, List, Set, Generator, Union, Optional # NOQA |
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38 |
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39 |
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40 __all__ = ['BaseConstructor', 'SafeConstructor', 'Constructor', |
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41 'ConstructorError', 'RoundTripConstructor'] |
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42 # fmt: on |
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43 |
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44 |
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45 class ConstructorError(MarkedYAMLError): |
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46 pass |
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47 |
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48 |
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49 class DuplicateKeyFutureWarning(MarkedYAMLFutureWarning): |
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50 pass |
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51 |
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52 |
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53 class DuplicateKeyError(MarkedYAMLFutureWarning): |
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54 pass |
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55 |
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56 |
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57 class BaseConstructor(object): |
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58 |
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59 yaml_constructors = {} # type: Dict[Any, Any] |
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60 yaml_multi_constructors = {} # type: Dict[Any, Any] |
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61 |
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62 def __init__(self, preserve_quotes=None, loader=None): |
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63 # type: (Optional[bool], Any) -> None |
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64 self.loader = loader |
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65 if self.loader is not None and getattr(self.loader, '_constructor', None) is None: |
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66 self.loader._constructor = self |
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67 self.loader = loader |
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68 self.yaml_base_dict_type = dict |
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69 self.yaml_base_list_type = list |
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70 self.constructed_objects = {} # type: Dict[Any, Any] |
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71 self.recursive_objects = {} # type: Dict[Any, Any] |
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72 self.state_generators = [] # type: List[Any] |
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73 self.deep_construct = False |
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74 self._preserve_quotes = preserve_quotes |
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75 self.allow_duplicate_keys = version_tnf((0, 15, 1), (0, 16)) |
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76 |
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77 @property |
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78 def composer(self): |
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79 # type: () -> Any |
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80 if hasattr(self.loader, 'typ'): |
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81 return self.loader.composer |
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82 try: |
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83 return self.loader._composer |
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84 except AttributeError: |
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85 sys.stdout.write('slt {}\n'.format(type(self))) |
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86 sys.stdout.write('slc {}\n'.format(self.loader._composer)) |
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87 sys.stdout.write('{}\n'.format(dir(self))) |
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88 raise |
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89 |
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90 @property |
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91 def resolver(self): |
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92 # type: () -> Any |
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93 if hasattr(self.loader, 'typ'): |
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94 return self.loader.resolver |
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95 return self.loader._resolver |
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96 |
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97 def check_data(self): |
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98 # type: () -> Any |
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99 # If there are more documents available? |
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100 return self.composer.check_node() |
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101 |
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102 def get_data(self): |
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103 # type: () -> Any |
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104 # Construct and return the next document. |
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105 if self.composer.check_node(): |
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106 return self.construct_document(self.composer.get_node()) |
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107 |
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108 def get_single_data(self): |
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109 # type: () -> Any |
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110 # Ensure that the stream contains a single document and construct it. |
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111 node = self.composer.get_single_node() |
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112 if node is not None: |
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113 return self.construct_document(node) |
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114 return None |
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115 |
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116 def construct_document(self, node): |
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117 # type: (Any) -> Any |
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118 data = self.construct_object(node) |
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119 while bool(self.state_generators): |
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120 state_generators = self.state_generators |
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121 self.state_generators = [] |
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122 for generator in state_generators: |
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123 for _dummy in generator: |
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124 pass |
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125 self.constructed_objects = {} |
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126 self.recursive_objects = {} |
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127 self.deep_construct = False |
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128 return data |
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129 |
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130 def construct_object(self, node, deep=False): |
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131 # type: (Any, bool) -> Any |
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132 """deep is True when creating an object/mapping recursively, |
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133 in that case want the underlying elements available during construction |
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134 """ |
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135 if node in self.constructed_objects: |
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136 return self.constructed_objects[node] |
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137 if deep: |
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138 old_deep = self.deep_construct |
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139 self.deep_construct = True |
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140 if node in self.recursive_objects: |
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141 return self.recursive_objects[node] |
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142 # raise ConstructorError( |
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143 # None, None, 'found unconstructable recursive node', node.start_mark |
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144 # ) |
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145 self.recursive_objects[node] = None |
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146 data = self.construct_non_recursive_object(node) |
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147 |
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148 self.constructed_objects[node] = data |
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149 del self.recursive_objects[node] |
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150 if deep: |
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151 self.deep_construct = old_deep |
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152 return data |
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153 |
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154 def construct_non_recursive_object(self, node, tag=None): |
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155 # type: (Any, Optional[str]) -> Any |
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156 constructor = None # type: Any |
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157 tag_suffix = None |
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158 if tag is None: |
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159 tag = node.tag |
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160 if tag in self.yaml_constructors: |
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161 constructor = self.yaml_constructors[tag] |
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162 else: |
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163 for tag_prefix in self.yaml_multi_constructors: |
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164 if tag.startswith(tag_prefix): |
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165 tag_suffix = tag[len(tag_prefix) :] |
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166 constructor = self.yaml_multi_constructors[tag_prefix] |
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167 break |
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168 else: |
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169 if None in self.yaml_multi_constructors: |
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170 tag_suffix = tag |
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171 constructor = self.yaml_multi_constructors[None] |
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172 elif None in self.yaml_constructors: |
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173 constructor = self.yaml_constructors[None] |
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174 elif isinstance(node, ScalarNode): |
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175 constructor = self.__class__.construct_scalar |
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176 elif isinstance(node, SequenceNode): |
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177 constructor = self.__class__.construct_sequence |
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178 elif isinstance(node, MappingNode): |
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179 constructor = self.__class__.construct_mapping |
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180 if tag_suffix is None: |
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181 data = constructor(self, node) |
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182 else: |
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183 data = constructor(self, tag_suffix, node) |
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184 if isinstance(data, types.GeneratorType): |
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185 generator = data |
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186 data = next(generator) |
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187 if self.deep_construct: |
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188 for _dummy in generator: |
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189 pass |
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190 else: |
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191 self.state_generators.append(generator) |
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192 return data |
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193 |
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194 def construct_scalar(self, node): |
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195 # type: (Any) -> Any |
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196 if not isinstance(node, ScalarNode): |
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197 raise ConstructorError( |
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198 None, None, 'expected a scalar node, but found %s' % node.id, node.start_mark |
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199 ) |
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200 return node.value |
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201 |
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202 def construct_sequence(self, node, deep=False): |
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203 # type: (Any, bool) -> Any |
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204 """deep is True when creating an object/mapping recursively, |
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205 in that case want the underlying elements available during construction |
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206 """ |
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207 if not isinstance(node, SequenceNode): |
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208 raise ConstructorError( |
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209 None, None, 'expected a sequence node, but found %s' % node.id, node.start_mark |
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210 ) |
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211 return [self.construct_object(child, deep=deep) for child in node.value] |
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212 |
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213 def construct_mapping(self, node, deep=False): |
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214 # type: (Any, bool) -> Any |
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215 """deep is True when creating an object/mapping recursively, |
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216 in that case want the underlying elements available during construction |
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217 """ |
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218 if not isinstance(node, MappingNode): |
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219 raise ConstructorError( |
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220 None, None, 'expected a mapping node, but found %s' % node.id, node.start_mark |
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221 ) |
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222 total_mapping = self.yaml_base_dict_type() |
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223 if getattr(node, 'merge', None) is not None: |
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224 todo = [(node.merge, False), (node.value, False)] |
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225 else: |
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226 todo = [(node.value, True)] |
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227 for values, check in todo: |
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228 mapping = self.yaml_base_dict_type() # type: Dict[Any, Any] |
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229 for key_node, value_node in values: |
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230 # keys can be list -> deep |
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231 key = self.construct_object(key_node, deep=True) |
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232 # lists are not hashable, but tuples are |
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233 if not isinstance(key, Hashable): |
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234 if isinstance(key, list): |
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235 key = tuple(key) |
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236 if PY2: |
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237 try: |
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238 hash(key) |
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239 except TypeError as exc: |
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240 raise ConstructorError( |
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241 'while constructing a mapping', |
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242 node.start_mark, |
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243 'found unacceptable key (%s)' % exc, |
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244 key_node.start_mark, |
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245 ) |
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246 else: |
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247 if not isinstance(key, Hashable): |
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248 raise ConstructorError( |
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249 'while constructing a mapping', |
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250 node.start_mark, |
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251 'found unhashable key', |
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252 key_node.start_mark, |
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253 ) |
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254 |
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255 value = self.construct_object(value_node, deep=deep) |
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256 if check: |
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257 if self.check_mapping_key(node, key_node, mapping, key, value): |
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258 mapping[key] = value |
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259 else: |
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260 mapping[key] = value |
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261 total_mapping.update(mapping) |
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262 return total_mapping |
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263 |
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264 def check_mapping_key(self, node, key_node, mapping, key, value): |
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265 # type: (Any, Any, Any, Any, Any) -> bool |
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266 """return True if key is unique""" |
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267 if key in mapping: |
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268 if not self.allow_duplicate_keys: |
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269 mk = mapping.get(key) |
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270 if PY2: |
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271 if isinstance(key, unicode): |
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272 key = key.encode('utf-8') |
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273 if isinstance(value, unicode): |
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274 value = value.encode('utf-8') |
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275 if isinstance(mk, unicode): |
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276 mk = mk.encode('utf-8') |
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277 args = [ |
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278 'while constructing a mapping', |
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279 node.start_mark, |
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280 'found duplicate key "{}" with value "{}" ' |
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281 '(original value: "{}")'.format(key, value, mk), |
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282 key_node.start_mark, |
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283 """ |
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284 To suppress this check see: |
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285 http://yaml.readthedocs.io/en/latest/api.html#duplicate-keys |
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286 """, |
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287 """\ |
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288 Duplicate keys will become an error in future releases, and are errors |
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289 by default when using the new API. |
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290 """, |
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291 ] |
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292 if self.allow_duplicate_keys is None: |
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293 warnings.warn(DuplicateKeyFutureWarning(*args)) |
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294 else: |
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295 raise DuplicateKeyError(*args) |
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296 return False |
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297 return True |
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298 |
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299 def check_set_key(self, node, key_node, setting, key): |
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300 # type: (Any, Any, Any, Any, Any) -> None |
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301 if key in setting: |
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302 if not self.allow_duplicate_keys: |
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303 if PY2: |
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304 if isinstance(key, unicode): |
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305 key = key.encode('utf-8') |
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306 args = [ |
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307 'while constructing a set', |
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308 node.start_mark, |
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309 'found duplicate key "{}"'.format(key), |
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310 key_node.start_mark, |
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311 """ |
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312 To suppress this check see: |
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313 http://yaml.readthedocs.io/en/latest/api.html#duplicate-keys |
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314 """, |
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315 """\ |
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316 Duplicate keys will become an error in future releases, and are errors |
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317 by default when using the new API. |
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318 """, |
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319 ] |
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320 if self.allow_duplicate_keys is None: |
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321 warnings.warn(DuplicateKeyFutureWarning(*args)) |
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322 else: |
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323 raise DuplicateKeyError(*args) |
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324 |
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325 def construct_pairs(self, node, deep=False): |
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326 # type: (Any, bool) -> Any |
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327 if not isinstance(node, MappingNode): |
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328 raise ConstructorError( |
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329 None, None, 'expected a mapping node, but found %s' % node.id, node.start_mark |
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330 ) |
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331 pairs = [] |
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332 for key_node, value_node in node.value: |
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333 key = self.construct_object(key_node, deep=deep) |
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334 value = self.construct_object(value_node, deep=deep) |
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335 pairs.append((key, value)) |
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336 return pairs |
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337 |
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338 @classmethod |
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339 def add_constructor(cls, tag, constructor): |
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340 # type: (Any, Any) -> None |
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341 if 'yaml_constructors' not in cls.__dict__: |
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342 cls.yaml_constructors = cls.yaml_constructors.copy() |
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343 cls.yaml_constructors[tag] = constructor |
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344 |
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345 @classmethod |
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346 def add_multi_constructor(cls, tag_prefix, multi_constructor): |
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347 # type: (Any, Any) -> None |
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348 if 'yaml_multi_constructors' not in cls.__dict__: |
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349 cls.yaml_multi_constructors = cls.yaml_multi_constructors.copy() |
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350 cls.yaml_multi_constructors[tag_prefix] = multi_constructor |
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351 |
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352 |
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353 class SafeConstructor(BaseConstructor): |
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354 def construct_scalar(self, node): |
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355 # type: (Any) -> Any |
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356 if isinstance(node, MappingNode): |
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357 for key_node, value_node in node.value: |
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358 if key_node.tag == u'tag:yaml.org,2002:value': |
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359 return self.construct_scalar(value_node) |
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360 return BaseConstructor.construct_scalar(self, node) |
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361 |
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362 def flatten_mapping(self, node): |
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363 # type: (Any) -> Any |
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364 """ |
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365 This implements the merge key feature http://yaml.org/type/merge.html |
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366 by inserting keys from the merge dict/list of dicts if not yet |
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367 available in this node |
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368 """ |
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369 merge = [] # type: List[Any] |
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370 index = 0 |
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371 while index < len(node.value): |
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372 key_node, value_node = node.value[index] |
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373 if key_node.tag == u'tag:yaml.org,2002:merge': |
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374 if merge: # double << key |
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375 if self.allow_duplicate_keys: |
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376 del node.value[index] |
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377 index += 1 |
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378 continue |
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379 args = [ |
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380 'while constructing a mapping', |
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381 node.start_mark, |
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382 'found duplicate key "{}"'.format(key_node.value), |
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383 key_node.start_mark, |
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384 """ |
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385 To suppress this check see: |
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386 http://yaml.readthedocs.io/en/latest/api.html#duplicate-keys |
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387 """, |
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388 """\ |
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389 Duplicate keys will become an error in future releases, and are errors |
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390 by default when using the new API. |
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391 """, |
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392 ] |
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393 if self.allow_duplicate_keys is None: |
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394 warnings.warn(DuplicateKeyFutureWarning(*args)) |
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395 else: |
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396 raise DuplicateKeyError(*args) |
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397 del node.value[index] |
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398 if isinstance(value_node, MappingNode): |
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399 self.flatten_mapping(value_node) |
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400 merge.extend(value_node.value) |
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401 elif isinstance(value_node, SequenceNode): |
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402 submerge = [] |
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403 for subnode in value_node.value: |
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404 if not isinstance(subnode, MappingNode): |
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405 raise ConstructorError( |
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406 'while constructing a mapping', |
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407 node.start_mark, |
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408 'expected a mapping for merging, but found %s' % subnode.id, |
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409 subnode.start_mark, |
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410 ) |
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411 self.flatten_mapping(subnode) |
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412 submerge.append(subnode.value) |
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413 submerge.reverse() |
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414 for value in submerge: |
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415 merge.extend(value) |
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416 else: |
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417 raise ConstructorError( |
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418 'while constructing a mapping', |
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419 node.start_mark, |
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420 'expected a mapping or list of mappings for merging, ' |
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421 'but found %s' % value_node.id, |
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422 value_node.start_mark, |
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423 ) |
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424 elif key_node.tag == u'tag:yaml.org,2002:value': |
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425 key_node.tag = u'tag:yaml.org,2002:str' |
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426 index += 1 |
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427 else: |
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428 index += 1 |
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429 if bool(merge): |
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430 node.merge = merge # separate merge keys to be able to update without duplicate |
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431 node.value = merge + node.value |
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432 |
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433 def construct_mapping(self, node, deep=False): |
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434 # type: (Any, bool) -> Any |
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435 """deep is True when creating an object/mapping recursively, |
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436 in that case want the underlying elements available during construction |
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437 """ |
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438 if isinstance(node, MappingNode): |
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439 self.flatten_mapping(node) |
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440 return BaseConstructor.construct_mapping(self, node, deep=deep) |
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441 |
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442 def construct_yaml_null(self, node): |
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443 # type: (Any) -> Any |
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444 self.construct_scalar(node) |
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445 return None |
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446 |
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447 # YAML 1.2 spec doesn't mention yes/no etc any more, 1.1 does |
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448 bool_values = { |
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449 u'yes': True, |
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450 u'no': False, |
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451 u'y': True, |
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452 u'n': False, |
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453 u'true': True, |
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454 u'false': False, |
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455 u'on': True, |
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456 u'off': False, |
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457 } |
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458 |
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459 def construct_yaml_bool(self, node): |
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460 # type: (Any) -> bool |
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461 value = self.construct_scalar(node) |
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462 return self.bool_values[value.lower()] |
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463 |
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464 def construct_yaml_int(self, node): |
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465 # type: (Any) -> int |
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466 value_s = to_str(self.construct_scalar(node)) |
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467 value_s = value_s.replace('_', "") |
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468 sign = +1 |
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469 if value_s[0] == '-': |
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470 sign = -1 |
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471 if value_s[0] in '+-': |
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472 value_s = value_s[1:] |
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473 if value_s == '0': |
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474 return 0 |
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475 elif value_s.startswith('0b'): |
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476 return sign * int(value_s[2:], 2) |
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477 elif value_s.startswith('0x'): |
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478 return sign * int(value_s[2:], 16) |
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479 elif value_s.startswith('0o'): |
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480 return sign * int(value_s[2:], 8) |
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481 elif self.resolver.processing_version == (1, 1) and value_s[0] == '0': |
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482 return sign * int(value_s, 8) |
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483 elif self.resolver.processing_version == (1, 1) and ':' in value_s: |
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484 digits = [int(part) for part in value_s.split(':')] |
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485 digits.reverse() |
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486 base = 1 |
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487 value = 0 |
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488 for digit in digits: |
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489 value += digit * base |
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490 base *= 60 |
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491 return sign * value |
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492 else: |
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493 return sign * int(value_s) |
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494 |
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495 inf_value = 1e300 |
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496 while inf_value != inf_value * inf_value: |
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497 inf_value *= inf_value |
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498 nan_value = -inf_value / inf_value # Trying to make a quiet NaN (like C99). |
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499 |
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500 def construct_yaml_float(self, node): |
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501 # type: (Any) -> float |
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502 value_so = to_str(self.construct_scalar(node)) |
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503 value_s = value_so.replace('_', "").lower() |
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504 sign = +1 |
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505 if value_s[0] == '-': |
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506 sign = -1 |
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507 if value_s[0] in '+-': |
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508 value_s = value_s[1:] |
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509 if value_s == '.inf': |
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510 return sign * self.inf_value |
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511 elif value_s == '.nan': |
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512 return self.nan_value |
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513 elif self.resolver.processing_version != (1, 2) and ':' in value_s: |
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514 digits = [float(part) for part in value_s.split(':')] |
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515 digits.reverse() |
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516 base = 1 |
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517 value = 0.0 |
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518 for digit in digits: |
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519 value += digit * base |
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520 base *= 60 |
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521 return sign * value |
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522 else: |
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523 if self.resolver.processing_version != (1, 2) and 'e' in value_s: |
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524 # value_s is lower case independent of input |
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525 mantissa, exponent = value_s.split('e') |
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526 if '.' not in mantissa: |
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527 warnings.warn(MantissaNoDotYAML1_1Warning(node, value_so)) |
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528 return sign * float(value_s) |
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529 |
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530 if PY3: |
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|
531 |
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532 def construct_yaml_binary(self, node): |
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533 # type: (Any) -> Any |
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534 try: |
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535 value = self.construct_scalar(node).encode('ascii') |
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536 except UnicodeEncodeError as exc: |
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537 raise ConstructorError( |
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538 None, |
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539 None, |
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540 'failed to convert base64 data into ascii: %s' % exc, |
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541 node.start_mark, |
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542 ) |
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543 try: |
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544 if hasattr(base64, 'decodebytes'): |
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545 return base64.decodebytes(value) |
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546 else: |
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547 return base64.decodestring(value) |
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548 except binascii.Error as exc: |
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549 raise ConstructorError( |
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550 None, None, 'failed to decode base64 data: %s' % exc, node.start_mark |
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551 ) |
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552 |
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553 else: |
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554 |
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555 def construct_yaml_binary(self, node): |
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556 # type: (Any) -> Any |
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557 value = self.construct_scalar(node) |
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558 try: |
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559 return to_str(value).decode('base64') |
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560 except (binascii.Error, UnicodeEncodeError) as exc: |
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561 raise ConstructorError( |
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562 None, None, 'failed to decode base64 data: %s' % exc, node.start_mark |
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|
563 ) |
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564 |
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565 timestamp_regexp = RegExp( |
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566 u"""^(?P<year>[0-9][0-9][0-9][0-9]) |
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567 -(?P<month>[0-9][0-9]?) |
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568 -(?P<day>[0-9][0-9]?) |
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569 (?:((?P<t>[Tt])|[ \\t]+) # explictly not retaining extra spaces |
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570 (?P<hour>[0-9][0-9]?) |
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571 :(?P<minute>[0-9][0-9]) |
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572 :(?P<second>[0-9][0-9]) |
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573 (?:\\.(?P<fraction>[0-9]*))? |
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574 (?:[ \\t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) |
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575 (?::(?P<tz_minute>[0-9][0-9]))?))?)?$""", |
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576 re.X, |
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577 ) |
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578 |
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579 def construct_yaml_timestamp(self, node, values=None): |
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580 # type: (Any, Any) -> Any |
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581 if values is None: |
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582 try: |
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583 match = self.timestamp_regexp.match(node.value) |
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584 except TypeError: |
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585 match = None |
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586 if match is None: |
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587 raise ConstructorError( |
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588 None, |
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589 None, |
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590 'failed to construct timestamp from "{}"'.format(node.value), |
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591 node.start_mark, |
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592 ) |
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593 values = match.groupdict() |
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594 year = int(values['year']) |
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595 month = int(values['month']) |
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596 day = int(values['day']) |
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597 if not values['hour']: |
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598 return datetime.date(year, month, day) |
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599 hour = int(values['hour']) |
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600 minute = int(values['minute']) |
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601 second = int(values['second']) |
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602 fraction = 0 |
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603 if values['fraction']: |
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604 fraction_s = values['fraction'][:6] |
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605 while len(fraction_s) < 6: |
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606 fraction_s += '0' |
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607 fraction = int(fraction_s) |
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608 if len(values['fraction']) > 6 and int(values['fraction'][6]) > 4: |
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609 fraction += 1 |
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610 delta = None |
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611 if values['tz_sign']: |
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612 tz_hour = int(values['tz_hour']) |
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613 minutes = values['tz_minute'] |
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614 tz_minute = int(minutes) if minutes else 0 |
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615 delta = datetime.timedelta(hours=tz_hour, minutes=tz_minute) |
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616 if values['tz_sign'] == '-': |
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617 delta = -delta |
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618 # should do something else instead (or hook this up to the preceding if statement |
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619 # in reverse |
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620 # if delta is None: |
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621 # return datetime.datetime(year, month, day, hour, minute, second, fraction) |
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622 # return datetime.datetime(year, month, day, hour, minute, second, fraction, |
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623 # datetime.timezone.utc) |
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624 # the above is not good enough though, should provide tzinfo. In Python3 that is easily |
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625 # doable drop that kind of support for Python2 as it has not native tzinfo |
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626 data = datetime.datetime(year, month, day, hour, minute, second, fraction) |
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627 if delta: |
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628 data -= delta |
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629 return data |
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630 |
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631 def construct_yaml_omap(self, node): |
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632 # type: (Any) -> Any |
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633 # Note: we do now check for duplicate keys |
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634 omap = ordereddict() |
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635 yield omap |
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636 if not isinstance(node, SequenceNode): |
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637 raise ConstructorError( |
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638 'while constructing an ordered map', |
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639 node.start_mark, |
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640 'expected a sequence, but found %s' % node.id, |
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641 node.start_mark, |
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642 ) |
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643 for subnode in node.value: |
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644 if not isinstance(subnode, MappingNode): |
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645 raise ConstructorError( |
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646 'while constructing an ordered map', |
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647 node.start_mark, |
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648 'expected a mapping of length 1, but found %s' % subnode.id, |
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649 subnode.start_mark, |
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650 ) |
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651 if len(subnode.value) != 1: |
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652 raise ConstructorError( |
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653 'while constructing an ordered map', |
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654 node.start_mark, |
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655 'expected a single mapping item, but found %d items' % len(subnode.value), |
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656 subnode.start_mark, |
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657 ) |
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658 key_node, value_node = subnode.value[0] |
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659 key = self.construct_object(key_node) |
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660 assert key not in omap |
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661 value = self.construct_object(value_node) |
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662 omap[key] = value |
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663 |
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664 def construct_yaml_pairs(self, node): |
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665 # type: (Any) -> Any |
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666 # Note: the same code as `construct_yaml_omap`. |
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667 pairs = [] # type: List[Any] |
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668 yield pairs |
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669 if not isinstance(node, SequenceNode): |
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670 raise ConstructorError( |
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671 'while constructing pairs', |
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672 node.start_mark, |
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673 'expected a sequence, but found %s' % node.id, |
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674 node.start_mark, |
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675 ) |
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676 for subnode in node.value: |
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677 if not isinstance(subnode, MappingNode): |
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678 raise ConstructorError( |
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679 'while constructing pairs', |
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680 node.start_mark, |
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681 'expected a mapping of length 1, but found %s' % subnode.id, |
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682 subnode.start_mark, |
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683 ) |
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684 if len(subnode.value) != 1: |
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685 raise ConstructorError( |
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686 'while constructing pairs', |
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687 node.start_mark, |
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688 'expected a single mapping item, but found %d items' % len(subnode.value), |
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689 subnode.start_mark, |
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690 ) |
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691 key_node, value_node = subnode.value[0] |
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692 key = self.construct_object(key_node) |
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693 value = self.construct_object(value_node) |
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694 pairs.append((key, value)) |
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695 |
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696 def construct_yaml_set(self, node): |
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697 # type: (Any) -> Any |
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698 data = set() # type: Set[Any] |
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699 yield data |
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700 value = self.construct_mapping(node) |
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701 data.update(value) |
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702 |
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703 def construct_yaml_str(self, node): |
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704 # type: (Any) -> Any |
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705 value = self.construct_scalar(node) |
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706 if PY3: |
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707 return value |
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708 try: |
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709 return value.encode('ascii') |
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710 except UnicodeEncodeError: |
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711 return value |
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712 |
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713 def construct_yaml_seq(self, node): |
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714 # type: (Any) -> Any |
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715 data = self.yaml_base_list_type() # type: List[Any] |
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|
716 yield data |
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717 data.extend(self.construct_sequence(node)) |
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718 |
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719 def construct_yaml_map(self, node): |
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720 # type: (Any) -> Any |
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721 data = self.yaml_base_dict_type() # type: Dict[Any, Any] |
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722 yield data |
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723 value = self.construct_mapping(node) |
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724 data.update(value) |
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725 |
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726 def construct_yaml_object(self, node, cls): |
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727 # type: (Any, Any) -> Any |
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728 data = cls.__new__(cls) |
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729 yield data |
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730 if hasattr(data, '__setstate__'): |
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731 state = self.construct_mapping(node, deep=True) |
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732 data.__setstate__(state) |
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733 else: |
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734 state = self.construct_mapping(node) |
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735 data.__dict__.update(state) |
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736 |
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737 def construct_undefined(self, node): |
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738 # type: (Any) -> None |
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739 raise ConstructorError( |
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740 None, |
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741 None, |
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742 'could not determine a constructor for the tag %r' % utf8(node.tag), |
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743 node.start_mark, |
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744 ) |
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745 |
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746 |
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747 SafeConstructor.add_constructor(u'tag:yaml.org,2002:null', SafeConstructor.construct_yaml_null) |
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748 |
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749 SafeConstructor.add_constructor(u'tag:yaml.org,2002:bool', SafeConstructor.construct_yaml_bool) |
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750 |
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751 SafeConstructor.add_constructor(u'tag:yaml.org,2002:int', SafeConstructor.construct_yaml_int) |
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752 |
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753 SafeConstructor.add_constructor( |
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754 u'tag:yaml.org,2002:float', SafeConstructor.construct_yaml_float |
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755 ) |
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756 |
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757 SafeConstructor.add_constructor( |
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758 u'tag:yaml.org,2002:binary', SafeConstructor.construct_yaml_binary |
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759 ) |
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760 |
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761 SafeConstructor.add_constructor( |
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762 u'tag:yaml.org,2002:timestamp', SafeConstructor.construct_yaml_timestamp |
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763 ) |
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764 |
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765 SafeConstructor.add_constructor(u'tag:yaml.org,2002:omap', SafeConstructor.construct_yaml_omap) |
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766 |
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767 SafeConstructor.add_constructor( |
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768 u'tag:yaml.org,2002:pairs', SafeConstructor.construct_yaml_pairs |
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769 ) |
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770 |
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771 SafeConstructor.add_constructor(u'tag:yaml.org,2002:set', SafeConstructor.construct_yaml_set) |
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772 |
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773 SafeConstructor.add_constructor(u'tag:yaml.org,2002:str', SafeConstructor.construct_yaml_str) |
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774 |
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775 SafeConstructor.add_constructor(u'tag:yaml.org,2002:seq', SafeConstructor.construct_yaml_seq) |
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776 |
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777 SafeConstructor.add_constructor(u'tag:yaml.org,2002:map', SafeConstructor.construct_yaml_map) |
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778 |
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779 SafeConstructor.add_constructor(None, SafeConstructor.construct_undefined) |
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780 |
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781 if PY2: |
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782 |
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783 class classobj: |
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784 pass |
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|
785 |
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786 |
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787 class Constructor(SafeConstructor): |
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788 def construct_python_str(self, node): |
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shellac
parents:
diff
changeset
|
789 # type: (Any) -> Any |
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parents:
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|
790 return utf8(self.construct_scalar(node)) |
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parents:
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|
791 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
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|
792 def construct_python_unicode(self, node): |
4f3585e2f14b
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parents:
diff
changeset
|
793 # type: (Any) -> Any |
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shellac
parents:
diff
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|
794 return self.construct_scalar(node) |
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shellac
parents:
diff
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|
795 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
796 if PY3: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
797 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
798 def construct_python_bytes(self, node): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
799 # type: (Any) -> Any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
800 try: |
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shellac
parents:
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|
801 value = self.construct_scalar(node).encode('ascii') |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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|
802 except UnicodeEncodeError as exc: |
4f3585e2f14b
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shellac
parents:
diff
changeset
|
803 raise ConstructorError( |
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shellac
parents:
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changeset
|
804 None, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
805 None, |
4f3585e2f14b
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shellac
parents:
diff
changeset
|
806 'failed to convert base64 data into ascii: %s' % exc, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
807 node.start_mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
808 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
809 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
810 if hasattr(base64, 'decodebytes'): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
811 return base64.decodebytes(value) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
812 else: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
813 return base64.decodestring(value) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
814 except binascii.Error as exc: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
815 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
816 None, None, 'failed to decode base64 data: %s' % exc, node.start_mark |
4f3585e2f14b
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shellac
parents:
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changeset
|
817 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
818 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
819 def construct_python_long(self, node): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
820 # type: (Any) -> int |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
821 val = self.construct_yaml_int(node) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
822 if PY3: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
823 return val |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
824 return int(val) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
825 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
826 def construct_python_complex(self, node): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
827 # type: (Any) -> Any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
828 return complex(self.construct_scalar(node)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
829 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
830 def construct_python_tuple(self, node): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
831 # type: (Any) -> Any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
832 return tuple(self.construct_sequence(node)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
833 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
834 def find_python_module(self, name, mark): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
835 # type: (Any, Any) -> Any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
836 if not name: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
837 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
838 'while constructing a Python module', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
839 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
840 'expected non-empty name appended to the tag', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
841 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
842 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
843 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
844 __import__(name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
845 except ImportError as exc: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
846 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
847 'while constructing a Python module', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
848 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
849 'cannot find module %r (%s)' % (utf8(name), exc), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
850 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
851 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
852 return sys.modules[name] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
853 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
854 def find_python_name(self, name, mark): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
855 # type: (Any, Any) -> Any |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
856 if not name: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
857 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
858 'while constructing a Python object', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
859 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
860 'expected non-empty name appended to the tag', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
861 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
862 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
863 if u'.' in name: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
864 lname = name.split('.') |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
865 lmodule_name = lname |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
866 lobject_name = [] # type: List[Any] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
867 while len(lmodule_name) > 1: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
868 lobject_name.insert(0, lmodule_name.pop()) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
869 module_name = '.'.join(lmodule_name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
870 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
871 __import__(module_name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
872 # object_name = '.'.join(object_name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
873 break |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
874 except ImportError: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
875 continue |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
876 else: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
877 module_name = builtins_module |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
878 lobject_name = [name] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
879 try: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
880 __import__(module_name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
881 except ImportError as exc: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
882 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
883 'while constructing a Python object', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
884 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
885 'cannot find module %r (%s)' % (utf8(module_name), exc), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
886 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
887 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
888 module = sys.modules[module_name] |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
889 object_name = '.'.join(lobject_name) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
890 obj = module |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
891 while lobject_name: |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
892 if not hasattr(obj, lobject_name[0]): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
893 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
894 raise ConstructorError( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
895 'while constructing a Python object', |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
896 mark, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
897 'cannot find %r in the module %r' % (utf8(object_name), module.__name__), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
898 mark, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
899 ) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
900 obj = getattr(obj, lobject_name.pop(0)) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
901 return obj |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
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|
902 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
903 def construct_python_name(self, suffix, node): |
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904 # type: (Any, Any) -> Any |
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905 value = self.construct_scalar(node) |
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906 if value: |
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907 raise ConstructorError( |
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908 'while constructing a Python name', |
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909 node.start_mark, |
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910 'expected the empty value, but found %r' % utf8(value), |
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911 node.start_mark, |
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912 ) |
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913 return self.find_python_name(suffix, node.start_mark) |
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914 |
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915 def construct_python_module(self, suffix, node): |
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916 # type: (Any, Any) -> Any |
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917 value = self.construct_scalar(node) |
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918 if value: |
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919 raise ConstructorError( |
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920 'while constructing a Python module', |
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921 node.start_mark, |
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922 'expected the empty value, but found %r' % utf8(value), |
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923 node.start_mark, |
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924 ) |
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925 return self.find_python_module(suffix, node.start_mark) |
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926 |
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927 def make_python_instance(self, suffix, node, args=None, kwds=None, newobj=False): |
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928 # type: (Any, Any, Any, Any, bool) -> Any |
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929 if not args: |
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930 args = [] |
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931 if not kwds: |
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932 kwds = {} |
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933 cls = self.find_python_name(suffix, node.start_mark) |
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934 if PY3: |
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935 if newobj and isinstance(cls, type): |
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936 return cls.__new__(cls, *args, **kwds) |
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937 else: |
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938 return cls(*args, **kwds) |
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939 else: |
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940 if newobj and isinstance(cls, type(classobj)) and not args and not kwds: |
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941 instance = classobj() |
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942 instance.__class__ = cls |
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943 return instance |
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944 elif newobj and isinstance(cls, type): |
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945 return cls.__new__(cls, *args, **kwds) |
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946 else: |
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947 return cls(*args, **kwds) |
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948 |
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949 def set_python_instance_state(self, instance, state): |
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950 # type: (Any, Any) -> None |
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951 if hasattr(instance, '__setstate__'): |
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952 instance.__setstate__(state) |
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953 else: |
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954 slotstate = {} # type: Dict[Any, Any] |
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955 if isinstance(state, tuple) and len(state) == 2: |
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956 state, slotstate = state |
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957 if hasattr(instance, '__dict__'): |
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958 instance.__dict__.update(state) |
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959 elif state: |
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960 slotstate.update(state) |
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961 for key, value in slotstate.items(): |
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962 setattr(object, key, value) |
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963 |
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964 def construct_python_object(self, suffix, node): |
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965 # type: (Any, Any) -> Any |
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966 # Format: |
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967 # !!python/object:module.name { ... state ... } |
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968 instance = self.make_python_instance(suffix, node, newobj=True) |
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969 self.recursive_objects[node] = instance |
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970 yield instance |
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971 deep = hasattr(instance, '__setstate__') |
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972 state = self.construct_mapping(node, deep=deep) |
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973 self.set_python_instance_state(instance, state) |
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974 |
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975 def construct_python_object_apply(self, suffix, node, newobj=False): |
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976 # type: (Any, Any, bool) -> Any |
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977 # Format: |
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978 # !!python/object/apply # (or !!python/object/new) |
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979 # args: [ ... arguments ... ] |
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980 # kwds: { ... keywords ... } |
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981 # state: ... state ... |
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982 # listitems: [ ... listitems ... ] |
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983 # dictitems: { ... dictitems ... } |
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984 # or short format: |
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985 # !!python/object/apply [ ... arguments ... ] |
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986 # The difference between !!python/object/apply and !!python/object/new |
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987 # is how an object is created, check make_python_instance for details. |
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988 if isinstance(node, SequenceNode): |
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989 args = self.construct_sequence(node, deep=True) |
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990 kwds = {} # type: Dict[Any, Any] |
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991 state = {} # type: Dict[Any, Any] |
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992 listitems = [] # type: List[Any] |
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993 dictitems = {} # type: Dict[Any, Any] |
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994 else: |
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995 value = self.construct_mapping(node, deep=True) |
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996 args = value.get('args', []) |
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997 kwds = value.get('kwds', {}) |
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998 state = value.get('state', {}) |
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999 listitems = value.get('listitems', []) |
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1000 dictitems = value.get('dictitems', {}) |
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1001 instance = self.make_python_instance(suffix, node, args, kwds, newobj) |
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1002 if bool(state): |
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1003 self.set_python_instance_state(instance, state) |
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1004 if bool(listitems): |
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1005 instance.extend(listitems) |
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1006 if bool(dictitems): |
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1007 for key in dictitems: |
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1008 instance[key] = dictitems[key] |
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1009 return instance |
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1010 |
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1011 def construct_python_object_new(self, suffix, node): |
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1012 # type: (Any, Any) -> Any |
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1013 return self.construct_python_object_apply(suffix, node, newobj=True) |
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1014 |
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1015 |
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1016 Constructor.add_constructor(u'tag:yaml.org,2002:python/none', Constructor.construct_yaml_null) |
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1017 |
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1018 Constructor.add_constructor(u'tag:yaml.org,2002:python/bool', Constructor.construct_yaml_bool) |
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1019 |
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1020 Constructor.add_constructor(u'tag:yaml.org,2002:python/str', Constructor.construct_python_str) |
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1021 |
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1022 Constructor.add_constructor( |
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1023 u'tag:yaml.org,2002:python/unicode', Constructor.construct_python_unicode |
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1024 ) |
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1025 |
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1026 if PY3: |
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1027 Constructor.add_constructor( |
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1028 u'tag:yaml.org,2002:python/bytes', Constructor.construct_python_bytes |
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1029 ) |
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1030 |
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1031 Constructor.add_constructor(u'tag:yaml.org,2002:python/int', Constructor.construct_yaml_int) |
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1032 |
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1033 Constructor.add_constructor( |
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1034 u'tag:yaml.org,2002:python/long', Constructor.construct_python_long |
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1035 ) |
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1036 |
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1037 Constructor.add_constructor( |
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1038 u'tag:yaml.org,2002:python/float', Constructor.construct_yaml_float |
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1039 ) |
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1040 |
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1041 Constructor.add_constructor( |
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1042 u'tag:yaml.org,2002:python/complex', Constructor.construct_python_complex |
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1043 ) |
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1044 |
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1045 Constructor.add_constructor(u'tag:yaml.org,2002:python/list', Constructor.construct_yaml_seq) |
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1046 |
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1047 Constructor.add_constructor( |
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1048 u'tag:yaml.org,2002:python/tuple', Constructor.construct_python_tuple |
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1049 ) |
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1050 |
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1051 Constructor.add_constructor(u'tag:yaml.org,2002:python/dict', Constructor.construct_yaml_map) |
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1052 |
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1053 Constructor.add_multi_constructor( |
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1054 u'tag:yaml.org,2002:python/name:', Constructor.construct_python_name |
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1055 ) |
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1056 |
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1057 Constructor.add_multi_constructor( |
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1058 u'tag:yaml.org,2002:python/module:', Constructor.construct_python_module |
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1059 ) |
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1060 |
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1061 Constructor.add_multi_constructor( |
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1062 u'tag:yaml.org,2002:python/object:', Constructor.construct_python_object |
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1063 ) |
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1064 |
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1065 Constructor.add_multi_constructor( |
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1066 u'tag:yaml.org,2002:python/object/apply:', Constructor.construct_python_object_apply |
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1067 ) |
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1068 |
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1069 Constructor.add_multi_constructor( |
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1070 u'tag:yaml.org,2002:python/object/new:', Constructor.construct_python_object_new |
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1071 ) |
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1072 |
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1073 |
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1074 class RoundTripConstructor(SafeConstructor): |
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1075 """need to store the comments on the node itself, |
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1076 as well as on the items |
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1077 """ |
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1078 |
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1079 def construct_scalar(self, node): |
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1080 # type: (Any) -> Any |
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1081 if not isinstance(node, ScalarNode): |
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1082 raise ConstructorError( |
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1083 None, None, 'expected a scalar node, but found %s' % node.id, node.start_mark |
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1084 ) |
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1085 |
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1086 if node.style == '|' and isinstance(node.value, text_type): |
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1087 lss = LiteralScalarString(node.value, anchor=node.anchor) |
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1088 if node.comment and node.comment[1]: |
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1089 lss.comment = node.comment[1][0] # type: ignore |
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1090 return lss |
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1091 if node.style == '>' and isinstance(node.value, text_type): |
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1092 fold_positions = [] # type: List[int] |
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1093 idx = -1 |
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1094 while True: |
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1095 idx = node.value.find('\a', idx + 1) |
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1096 if idx < 0: |
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1097 break |
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1098 fold_positions.append(idx - len(fold_positions)) |
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1099 fss = FoldedScalarString(node.value.replace('\a', ''), anchor=node.anchor) |
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1100 if node.comment and node.comment[1]: |
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1101 fss.comment = node.comment[1][0] # type: ignore |
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1102 if fold_positions: |
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1103 fss.fold_pos = fold_positions # type: ignore |
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1104 return fss |
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1105 elif bool(self._preserve_quotes) and isinstance(node.value, text_type): |
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1106 if node.style == "'": |
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1107 return SingleQuotedScalarString(node.value, anchor=node.anchor) |
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1108 if node.style == '"': |
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1109 return DoubleQuotedScalarString(node.value, anchor=node.anchor) |
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1110 if node.anchor: |
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1111 return PlainScalarString(node.value, anchor=node.anchor) |
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1112 return node.value |
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1113 |
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1114 def construct_yaml_int(self, node): |
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1115 # type: (Any) -> Any |
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1116 width = None # type: Any |
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1117 value_su = to_str(self.construct_scalar(node)) |
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1118 try: |
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1119 sx = value_su.rstrip('_') |
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1120 underscore = [len(sx) - sx.rindex('_') - 1, False, False] # type: Any |
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1121 except ValueError: |
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1122 underscore = None |
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1123 except IndexError: |
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|
1124 underscore = None |
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1125 value_s = value_su.replace('_', "") |
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1126 sign = +1 |
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|
1127 if value_s[0] == '-': |
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|
1128 sign = -1 |
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|
1129 if value_s[0] in '+-': |
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|
1130 value_s = value_s[1:] |
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|
1131 if value_s == '0': |
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|
1132 return 0 |
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|
1133 elif value_s.startswith('0b'): |
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|
1134 if self.resolver.processing_version > (1, 1) and value_s[2] == '0': |
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1135 width = len(value_s[2:]) |
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|
1136 if underscore is not None: |
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|
1137 underscore[1] = value_su[2] == '_' |
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1138 underscore[2] = len(value_su[2:]) > 1 and value_su[-1] == '_' |
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1139 return BinaryInt( |
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|
1140 sign * int(value_s[2:], 2), |
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1141 width=width, |
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1142 underscore=underscore, |
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1143 anchor=node.anchor, |
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1144 ) |
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1145 elif value_s.startswith('0x'): |
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1146 # default to lower-case if no a-fA-F in string |
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1147 if self.resolver.processing_version > (1, 1) and value_s[2] == '0': |
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1148 width = len(value_s[2:]) |
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1149 hex_fun = HexInt # type: Any |
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1150 for ch in value_s[2:]: |
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1151 if ch in 'ABCDEF': # first non-digit is capital |
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1152 hex_fun = HexCapsInt |
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1153 break |
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1154 if ch in 'abcdef': |
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1155 break |
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1156 if underscore is not None: |
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1157 underscore[1] = value_su[2] == '_' |
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1158 underscore[2] = len(value_su[2:]) > 1 and value_su[-1] == '_' |
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1159 return hex_fun( |
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1160 sign * int(value_s[2:], 16), |
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1161 width=width, |
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1162 underscore=underscore, |
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1163 anchor=node.anchor, |
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1164 ) |
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1165 elif value_s.startswith('0o'): |
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1166 if self.resolver.processing_version > (1, 1) and value_s[2] == '0': |
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1167 width = len(value_s[2:]) |
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1168 if underscore is not None: |
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1169 underscore[1] = value_su[2] == '_' |
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1170 underscore[2] = len(value_su[2:]) > 1 and value_su[-1] == '_' |
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1171 return OctalInt( |
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1172 sign * int(value_s[2:], 8), |
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1173 width=width, |
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1174 underscore=underscore, |
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1175 anchor=node.anchor, |
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1176 ) |
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1177 elif self.resolver.processing_version != (1, 2) and value_s[0] == '0': |
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1178 return sign * int(value_s, 8) |
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1179 elif self.resolver.processing_version != (1, 2) and ':' in value_s: |
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1180 digits = [int(part) for part in value_s.split(':')] |
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1181 digits.reverse() |
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1182 base = 1 |
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1183 value = 0 |
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1184 for digit in digits: |
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1185 value += digit * base |
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1186 base *= 60 |
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1187 return sign * value |
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1188 elif self.resolver.processing_version > (1, 1) and value_s[0] == '0': |
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1189 # not an octal, an integer with leading zero(s) |
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1190 if underscore is not None: |
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1191 # cannot have a leading underscore |
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1192 underscore[2] = len(value_su) > 1 and value_su[-1] == '_' |
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1193 return ScalarInt(sign * int(value_s), width=len(value_s), underscore=underscore) |
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1194 elif underscore: |
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1195 # cannot have a leading underscore |
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1196 underscore[2] = len(value_su) > 1 and value_su[-1] == '_' |
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1197 return ScalarInt( |
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1198 sign * int(value_s), width=None, underscore=underscore, anchor=node.anchor |
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1199 ) |
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1200 elif node.anchor: |
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1201 return ScalarInt(sign * int(value_s), width=None, anchor=node.anchor) |
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1202 else: |
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1203 return sign * int(value_s) |
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1204 |
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1205 def construct_yaml_float(self, node): |
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1206 # type: (Any) -> Any |
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1207 def leading_zeros(v): |
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1208 # type: (Any) -> int |
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1209 lead0 = 0 |
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1210 idx = 0 |
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1211 while idx < len(v) and v[idx] in '0.': |
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1212 if v[idx] == '0': |
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1213 lead0 += 1 |
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1214 idx += 1 |
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1215 return lead0 |
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1216 |
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1217 # underscore = None |
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1218 m_sign = False # type: Any |
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1219 value_so = to_str(self.construct_scalar(node)) |
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1220 value_s = value_so.replace('_', "").lower() |
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1221 sign = +1 |
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1222 if value_s[0] == '-': |
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1223 sign = -1 |
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1224 if value_s[0] in '+-': |
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1225 m_sign = value_s[0] |
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1226 value_s = value_s[1:] |
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1227 if value_s == '.inf': |
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1228 return sign * self.inf_value |
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1229 if value_s == '.nan': |
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1230 return self.nan_value |
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1231 if self.resolver.processing_version != (1, 2) and ':' in value_s: |
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1232 digits = [float(part) for part in value_s.split(':')] |
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1233 digits.reverse() |
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1234 base = 1 |
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1235 value = 0.0 |
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1236 for digit in digits: |
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1237 value += digit * base |
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1238 base *= 60 |
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1239 return sign * value |
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1240 if 'e' in value_s: |
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1241 try: |
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1242 mantissa, exponent = value_so.split('e') |
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1243 exp = 'e' |
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1244 except ValueError: |
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1245 mantissa, exponent = value_so.split('E') |
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1246 exp = 'E' |
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1247 if self.resolver.processing_version != (1, 2): |
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1248 # value_s is lower case independent of input |
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1249 if '.' not in mantissa: |
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1250 warnings.warn(MantissaNoDotYAML1_1Warning(node, value_so)) |
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1251 lead0 = leading_zeros(mantissa) |
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1252 width = len(mantissa) |
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1253 prec = mantissa.find('.') |
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1254 if m_sign: |
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1255 width -= 1 |
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1256 e_width = len(exponent) |
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1257 e_sign = exponent[0] in '+-' |
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1258 # nprint('sf', width, prec, m_sign, exp, e_width, e_sign) |
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1259 return ScalarFloat( |
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1260 sign * float(value_s), |
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1261 width=width, |
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1262 prec=prec, |
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1263 m_sign=m_sign, |
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1264 m_lead0=lead0, |
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1265 exp=exp, |
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1266 e_width=e_width, |
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1267 e_sign=e_sign, |
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1268 anchor=node.anchor, |
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1269 ) |
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1270 width = len(value_so) |
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1271 prec = value_so.index('.') # you can use index, this would not be float without dot |
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1272 lead0 = leading_zeros(value_so) |
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1273 return ScalarFloat( |
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1274 sign * float(value_s), |
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1275 width=width, |
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1276 prec=prec, |
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1277 m_sign=m_sign, |
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1278 m_lead0=lead0, |
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1279 anchor=node.anchor, |
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1280 ) |
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1281 |
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1282 def construct_yaml_str(self, node): |
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1283 # type: (Any) -> Any |
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1284 value = self.construct_scalar(node) |
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1285 if isinstance(value, ScalarString): |
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1286 return value |
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1287 if PY3: |
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1288 return value |
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1289 try: |
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1290 return value.encode('ascii') |
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1291 except AttributeError: |
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1292 # in case you replace the node dynamically e.g. with a dict |
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1293 return value |
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1294 except UnicodeEncodeError: |
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1295 return value |
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1296 |
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1297 def construct_rt_sequence(self, node, seqtyp, deep=False): |
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1298 # type: (Any, Any, bool) -> Any |
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1299 if not isinstance(node, SequenceNode): |
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1300 raise ConstructorError( |
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1301 None, None, 'expected a sequence node, but found %s' % node.id, node.start_mark |
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1302 ) |
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1303 ret_val = [] |
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1304 if node.comment: |
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1305 seqtyp._yaml_add_comment(node.comment[:2]) |
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1306 if len(node.comment) > 2: |
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1307 seqtyp.yaml_end_comment_extend(node.comment[2], clear=True) |
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1308 if node.anchor: |
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1309 from ruamel.yaml.serializer import templated_id |
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1310 |
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1311 if not templated_id(node.anchor): |
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1312 seqtyp.yaml_set_anchor(node.anchor) |
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1313 for idx, child in enumerate(node.value): |
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1314 ret_val.append(self.construct_object(child, deep=deep)) |
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1315 if child.comment: |
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1316 seqtyp._yaml_add_comment(child.comment, key=idx) |
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1317 seqtyp._yaml_set_idx_line_col( |
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1318 idx, [child.start_mark.line, child.start_mark.column] |
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1319 ) |
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1320 return ret_val |
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1321 |
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1322 def flatten_mapping(self, node): |
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1323 # type: (Any) -> Any |
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1324 """ |
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1325 This implements the merge key feature http://yaml.org/type/merge.html |
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1326 by inserting keys from the merge dict/list of dicts if not yet |
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1327 available in this node |
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1328 """ |
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1329 |
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1330 def constructed(value_node): |
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1331 # type: (Any) -> Any |
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1332 # If the contents of a merge are defined within the |
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1333 # merge marker, then they won't have been constructed |
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1334 # yet. But if they were already constructed, we need to use |
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1335 # the existing object. |
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1336 if value_node in self.constructed_objects: |
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1337 value = self.constructed_objects[value_node] |
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1338 else: |
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1339 value = self.construct_object(value_node, deep=False) |
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1340 return value |
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1341 |
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1342 # merge = [] |
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1343 merge_map_list = [] # type: List[Any] |
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1344 index = 0 |
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1345 while index < len(node.value): |
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1346 key_node, value_node = node.value[index] |
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1347 if key_node.tag == u'tag:yaml.org,2002:merge': |
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1348 if merge_map_list: # double << key |
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1349 if self.allow_duplicate_keys: |
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1350 del node.value[index] |
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1351 index += 1 |
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1352 continue |
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1353 args = [ |
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1354 'while constructing a mapping', |
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1355 node.start_mark, |
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1356 'found duplicate key "{}"'.format(key_node.value), |
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1357 key_node.start_mark, |
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1358 """ |
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1359 To suppress this check see: |
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1360 http://yaml.readthedocs.io/en/latest/api.html#duplicate-keys |
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1361 """, |
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1362 """\ |
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1363 Duplicate keys will become an error in future releases, and are errors |
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1364 by default when using the new API. |
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1365 """, |
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1366 ] |
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1367 if self.allow_duplicate_keys is None: |
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1368 warnings.warn(DuplicateKeyFutureWarning(*args)) |
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1369 else: |
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1370 raise DuplicateKeyError(*args) |
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1371 del node.value[index] |
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1372 if isinstance(value_node, MappingNode): |
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1373 merge_map_list.append((index, constructed(value_node))) |
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1374 # self.flatten_mapping(value_node) |
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1375 # merge.extend(value_node.value) |
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1376 elif isinstance(value_node, SequenceNode): |
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1377 # submerge = [] |
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1378 for subnode in value_node.value: |
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1379 if not isinstance(subnode, MappingNode): |
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1380 raise ConstructorError( |
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1381 'while constructing a mapping', |
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1382 node.start_mark, |
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1383 'expected a mapping for merging, but found %s' % subnode.id, |
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1384 subnode.start_mark, |
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1385 ) |
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1386 merge_map_list.append((index, constructed(subnode))) |
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1387 # self.flatten_mapping(subnode) |
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1388 # submerge.append(subnode.value) |
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1389 # submerge.reverse() |
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1390 # for value in submerge: |
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1391 # merge.extend(value) |
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1392 else: |
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1393 raise ConstructorError( |
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1394 'while constructing a mapping', |
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1395 node.start_mark, |
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1396 'expected a mapping or list of mappings for merging, ' |
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1397 'but found %s' % value_node.id, |
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1398 value_node.start_mark, |
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1399 ) |
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1400 elif key_node.tag == u'tag:yaml.org,2002:value': |
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1401 key_node.tag = u'tag:yaml.org,2002:str' |
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1402 index += 1 |
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1403 else: |
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1404 index += 1 |
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1405 return merge_map_list |
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1406 # if merge: |
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1407 # node.value = merge + node.value |
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1408 |
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1409 def _sentinel(self): |
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1410 # type: () -> None |
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1411 pass |
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1412 |
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1413 def construct_mapping(self, node, maptyp, deep=False): # type: ignore |
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1414 # type: (Any, Any, bool) -> Any |
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1415 if not isinstance(node, MappingNode): |
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1416 raise ConstructorError( |
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1417 None, None, 'expected a mapping node, but found %s' % node.id, node.start_mark |
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1418 ) |
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1419 merge_map = self.flatten_mapping(node) |
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1420 # mapping = {} |
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1421 if node.comment: |
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1422 maptyp._yaml_add_comment(node.comment[:2]) |
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1423 if len(node.comment) > 2: |
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1424 maptyp.yaml_end_comment_extend(node.comment[2], clear=True) |
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1425 if node.anchor: |
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1426 from ruamel.yaml.serializer import templated_id |
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1427 |
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1428 if not templated_id(node.anchor): |
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1429 maptyp.yaml_set_anchor(node.anchor) |
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1430 last_key, last_value = None, self._sentinel |
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1431 for key_node, value_node in node.value: |
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1432 # keys can be list -> deep |
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1433 key = self.construct_object(key_node, deep=True) |
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1434 # lists are not hashable, but tuples are |
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1435 if not isinstance(key, Hashable): |
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1436 if isinstance(key, MutableSequence): |
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1437 key_s = CommentedKeySeq(key) |
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1438 if key_node.flow_style is True: |
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1439 key_s.fa.set_flow_style() |
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1440 elif key_node.flow_style is False: |
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1441 key_s.fa.set_block_style() |
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1442 key = key_s |
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1443 elif isinstance(key, MutableMapping): |
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1444 key_m = CommentedKeyMap(key) |
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1445 if key_node.flow_style is True: |
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1446 key_m.fa.set_flow_style() |
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1447 elif key_node.flow_style is False: |
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1448 key_m.fa.set_block_style() |
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1449 key = key_m |
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1450 if PY2: |
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1451 try: |
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1452 hash(key) |
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1453 except TypeError as exc: |
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1454 raise ConstructorError( |
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1455 'while constructing a mapping', |
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1456 node.start_mark, |
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1457 'found unacceptable key (%s)' % exc, |
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1458 key_node.start_mark, |
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1459 ) |
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1460 else: |
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1461 if not isinstance(key, Hashable): |
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1462 raise ConstructorError( |
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1463 'while constructing a mapping', |
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1464 node.start_mark, |
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1465 'found unhashable key', |
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1466 key_node.start_mark, |
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1467 ) |
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1468 value = self.construct_object(value_node, deep=deep) |
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1469 if self.check_mapping_key(node, key_node, maptyp, key, value): |
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1470 |
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1471 if key_node.comment and len(key_node.comment) > 4 and key_node.comment[4]: |
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1472 if last_value is None: |
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1473 key_node.comment[0] = key_node.comment.pop(4) |
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1474 maptyp._yaml_add_comment(key_node.comment, value=last_key) |
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1475 else: |
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1476 key_node.comment[2] = key_node.comment.pop(4) |
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1477 maptyp._yaml_add_comment(key_node.comment, key=key) |
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1478 key_node.comment = None |
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1479 if key_node.comment: |
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1480 maptyp._yaml_add_comment(key_node.comment, key=key) |
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1481 if value_node.comment: |
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1482 maptyp._yaml_add_comment(value_node.comment, value=key) |
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1483 maptyp._yaml_set_kv_line_col( |
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1484 key, |
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1485 [ |
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1486 key_node.start_mark.line, |
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1487 key_node.start_mark.column, |
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1488 value_node.start_mark.line, |
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1489 value_node.start_mark.column, |
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1490 ], |
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1491 ) |
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1492 maptyp[key] = value |
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1493 last_key, last_value = key, value # could use indexing |
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1494 # do this last, or <<: before a key will prevent insertion in instances |
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1495 # of collections.OrderedDict (as they have no __contains__ |
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1496 if merge_map: |
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1497 maptyp.add_yaml_merge(merge_map) |
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1498 |
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1499 def construct_setting(self, node, typ, deep=False): |
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1500 # type: (Any, Any, bool) -> Any |
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1501 if not isinstance(node, MappingNode): |
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1502 raise ConstructorError( |
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1503 None, None, 'expected a mapping node, but found %s' % node.id, node.start_mark |
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1504 ) |
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1505 if node.comment: |
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1506 typ._yaml_add_comment(node.comment[:2]) |
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1507 if len(node.comment) > 2: |
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1508 typ.yaml_end_comment_extend(node.comment[2], clear=True) |
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1509 if node.anchor: |
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1510 from ruamel.yaml.serializer import templated_id |
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1511 |
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1512 if not templated_id(node.anchor): |
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1513 typ.yaml_set_anchor(node.anchor) |
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1514 for key_node, value_node in node.value: |
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1515 # keys can be list -> deep |
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1516 key = self.construct_object(key_node, deep=True) |
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1517 # lists are not hashable, but tuples are |
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1518 if not isinstance(key, Hashable): |
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1519 if isinstance(key, list): |
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1520 key = tuple(key) |
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1521 if PY2: |
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1522 try: |
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1523 hash(key) |
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1524 except TypeError as exc: |
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1525 raise ConstructorError( |
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1526 'while constructing a mapping', |
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1527 node.start_mark, |
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1528 'found unacceptable key (%s)' % exc, |
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1529 key_node.start_mark, |
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1530 ) |
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1531 else: |
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1532 if not isinstance(key, Hashable): |
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1533 raise ConstructorError( |
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1534 'while constructing a mapping', |
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1535 node.start_mark, |
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1536 'found unhashable key', |
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1537 key_node.start_mark, |
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1538 ) |
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1539 # construct but should be null |
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1540 value = self.construct_object(value_node, deep=deep) # NOQA |
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1541 self.check_set_key(node, key_node, typ, key) |
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1542 if key_node.comment: |
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1543 typ._yaml_add_comment(key_node.comment, key=key) |
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1544 if value_node.comment: |
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1545 typ._yaml_add_comment(value_node.comment, value=key) |
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1546 typ.add(key) |
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1547 |
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1548 def construct_yaml_seq(self, node): |
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1549 # type: (Any) -> Any |
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1550 data = CommentedSeq() |
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1551 data._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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1552 if node.comment: |
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1553 data._yaml_add_comment(node.comment) |
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1554 yield data |
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1555 data.extend(self.construct_rt_sequence(node, data)) |
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1556 self.set_collection_style(data, node) |
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1557 |
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1558 def construct_yaml_map(self, node): |
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1559 # type: (Any) -> Any |
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1560 data = CommentedMap() |
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1561 data._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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1562 yield data |
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1563 self.construct_mapping(node, data, deep=True) |
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1564 self.set_collection_style(data, node) |
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|
1565 |
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|
1566 def set_collection_style(self, data, node): |
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|
1567 # type: (Any, Any) -> None |
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|
1568 if len(data) == 0: |
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|
1569 return |
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|
1570 if node.flow_style is True: |
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|
1571 data.fa.set_flow_style() |
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|
1572 elif node.flow_style is False: |
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|
1573 data.fa.set_block_style() |
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|
1574 |
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|
1575 def construct_yaml_object(self, node, cls): |
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|
1576 # type: (Any, Any) -> Any |
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|
1577 data = cls.__new__(cls) |
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|
1578 yield data |
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|
1579 if hasattr(data, '__setstate__'): |
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|
1580 state = SafeConstructor.construct_mapping(self, node, deep=True) |
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|
1581 data.__setstate__(state) |
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1582 else: |
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1583 state = SafeConstructor.construct_mapping(self, node) |
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1584 data.__dict__.update(state) |
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1585 |
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1586 def construct_yaml_omap(self, node): |
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1587 # type: (Any) -> Any |
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1588 # Note: we do now check for duplicate keys |
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1589 omap = CommentedOrderedMap() |
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1590 omap._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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1591 if node.flow_style is True: |
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1592 omap.fa.set_flow_style() |
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1593 elif node.flow_style is False: |
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1594 omap.fa.set_block_style() |
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1595 yield omap |
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1596 if node.comment: |
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1597 omap._yaml_add_comment(node.comment[:2]) |
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1598 if len(node.comment) > 2: |
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1599 omap.yaml_end_comment_extend(node.comment[2], clear=True) |
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1600 if not isinstance(node, SequenceNode): |
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1601 raise ConstructorError( |
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1602 'while constructing an ordered map', |
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1603 node.start_mark, |
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1604 'expected a sequence, but found %s' % node.id, |
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1605 node.start_mark, |
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1606 ) |
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1607 for subnode in node.value: |
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1608 if not isinstance(subnode, MappingNode): |
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1609 raise ConstructorError( |
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1610 'while constructing an ordered map', |
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1611 node.start_mark, |
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1612 'expected a mapping of length 1, but found %s' % subnode.id, |
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1613 subnode.start_mark, |
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1614 ) |
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1615 if len(subnode.value) != 1: |
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1616 raise ConstructorError( |
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1617 'while constructing an ordered map', |
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1618 node.start_mark, |
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1619 'expected a single mapping item, but found %d items' % len(subnode.value), |
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1620 subnode.start_mark, |
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1621 ) |
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1622 key_node, value_node = subnode.value[0] |
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1623 key = self.construct_object(key_node) |
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1624 assert key not in omap |
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1625 value = self.construct_object(value_node) |
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1626 if key_node.comment: |
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1627 omap._yaml_add_comment(key_node.comment, key=key) |
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1628 if subnode.comment: |
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1629 omap._yaml_add_comment(subnode.comment, key=key) |
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1630 if value_node.comment: |
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1631 omap._yaml_add_comment(value_node.comment, value=key) |
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1632 omap[key] = value |
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1633 |
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1634 def construct_yaml_set(self, node): |
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1635 # type: (Any) -> Any |
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1636 data = CommentedSet() |
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1637 data._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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|
1638 yield data |
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|
1639 self.construct_setting(node, data) |
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|
1640 |
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|
1641 def construct_undefined(self, node): |
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1642 # type: (Any) -> Any |
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|
1643 try: |
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|
1644 if isinstance(node, MappingNode): |
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1645 data = CommentedMap() |
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|
1646 data._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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|
1647 if node.flow_style is True: |
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|
1648 data.fa.set_flow_style() |
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1649 elif node.flow_style is False: |
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|
1650 data.fa.set_block_style() |
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|
1651 data.yaml_set_tag(node.tag) |
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|
1652 yield data |
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|
1653 if node.anchor: |
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|
1654 data.yaml_set_anchor(node.anchor) |
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|
1655 self.construct_mapping(node, data) |
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|
1656 return |
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|
1657 elif isinstance(node, ScalarNode): |
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|
1658 data2 = TaggedScalar() |
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parents:
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|
1659 data2.value = self.construct_scalar(node) |
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|
1660 data2.style = node.style |
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|
1661 data2.yaml_set_tag(node.tag) |
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|
1662 yield data2 |
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1663 if node.anchor: |
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|
1664 data2.yaml_set_anchor(node.anchor, always_dump=True) |
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|
1665 return |
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|
1666 elif isinstance(node, SequenceNode): |
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|
1667 data3 = CommentedSeq() |
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|
1668 data3._yaml_set_line_col(node.start_mark.line, node.start_mark.column) |
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|
1669 if node.flow_style is True: |
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|
1670 data3.fa.set_flow_style() |
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1671 elif node.flow_style is False: |
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|
1672 data3.fa.set_block_style() |
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|
1673 data3.yaml_set_tag(node.tag) |
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|
1674 yield data3 |
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|
1675 if node.anchor: |
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1676 data3.yaml_set_anchor(node.anchor) |
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1677 data3.extend(self.construct_sequence(node)) |
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1678 return |
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1679 except: # NOQA |
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1680 pass |
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1681 raise ConstructorError( |
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1682 None, |
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1683 None, |
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1684 'could not determine a constructor for the tag %r' % utf8(node.tag), |
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1685 node.start_mark, |
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1686 ) |
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1687 |
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1688 def construct_yaml_timestamp(self, node, values=None): |
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1689 # type: (Any, Any) -> Any |
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1690 try: |
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1691 match = self.timestamp_regexp.match(node.value) |
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1692 except TypeError: |
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1693 match = None |
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1694 if match is None: |
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1695 raise ConstructorError( |
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1696 None, |
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1697 None, |
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1698 'failed to construct timestamp from "{}"'.format(node.value), |
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1699 node.start_mark, |
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1700 ) |
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1701 values = match.groupdict() |
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1702 if not values['hour']: |
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1703 return SafeConstructor.construct_yaml_timestamp(self, node, values) |
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1704 for part in ['t', 'tz_sign', 'tz_hour', 'tz_minute']: |
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1705 if values[part]: |
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1706 break |
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1707 else: |
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1708 return SafeConstructor.construct_yaml_timestamp(self, node, values) |
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1709 year = int(values['year']) |
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1710 month = int(values['month']) |
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1711 day = int(values['day']) |
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1712 hour = int(values['hour']) |
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1713 minute = int(values['minute']) |
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1714 second = int(values['second']) |
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1715 fraction = 0 |
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1716 if values['fraction']: |
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1717 fraction_s = values['fraction'][:6] |
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1718 while len(fraction_s) < 6: |
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1719 fraction_s += '0' |
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1720 fraction = int(fraction_s) |
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1721 if len(values['fraction']) > 6 and int(values['fraction'][6]) > 4: |
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1722 fraction += 1 |
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1723 delta = None |
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1724 if values['tz_sign']: |
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1725 tz_hour = int(values['tz_hour']) |
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1726 minutes = values['tz_minute'] |
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1727 tz_minute = int(minutes) if minutes else 0 |
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1728 delta = datetime.timedelta(hours=tz_hour, minutes=tz_minute) |
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1729 if values['tz_sign'] == '-': |
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1730 delta = -delta |
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1731 if delta: |
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1732 dt = datetime.datetime(year, month, day, hour, minute) |
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1733 dt -= delta |
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1734 data = TimeStamp(dt.year, dt.month, dt.day, dt.hour, dt.minute, second, fraction) |
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1735 data._yaml['delta'] = delta |
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1736 tz = values['tz_sign'] + values['tz_hour'] |
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1737 if values['tz_minute']: |
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1738 tz += ':' + values['tz_minute'] |
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1739 data._yaml['tz'] = tz |
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1740 else: |
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1741 data = TimeStamp(year, month, day, hour, minute, second, fraction) |
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1742 if values['tz']: # no delta |
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1743 data._yaml['tz'] = values['tz'] |
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1744 |
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1745 if values['t']: |
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1746 data._yaml['t'] = True |
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1747 return data |
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1748 |
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1749 def construct_yaml_bool(self, node): |
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1750 # type: (Any) -> Any |
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1751 b = SafeConstructor.construct_yaml_bool(self, node) |
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1752 if node.anchor: |
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1753 return ScalarBoolean(b, anchor=node.anchor) |
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1754 return b |
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1755 |
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1756 |
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|
1757 RoundTripConstructor.add_constructor( |
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1758 u'tag:yaml.org,2002:null', RoundTripConstructor.construct_yaml_null |
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1759 ) |
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1760 |
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|
1761 RoundTripConstructor.add_constructor( |
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|
1762 u'tag:yaml.org,2002:bool', RoundTripConstructor.construct_yaml_bool |
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1763 ) |
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1764 |
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1765 RoundTripConstructor.add_constructor( |
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1766 u'tag:yaml.org,2002:int', RoundTripConstructor.construct_yaml_int |
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1767 ) |
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1768 |
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|
1769 RoundTripConstructor.add_constructor( |
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1770 u'tag:yaml.org,2002:float', RoundTripConstructor.construct_yaml_float |
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1771 ) |
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1772 |
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1773 RoundTripConstructor.add_constructor( |
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1774 u'tag:yaml.org,2002:binary', RoundTripConstructor.construct_yaml_binary |
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1775 ) |
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1776 |
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1777 RoundTripConstructor.add_constructor( |
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1778 u'tag:yaml.org,2002:timestamp', RoundTripConstructor.construct_yaml_timestamp |
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1779 ) |
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1780 |
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1781 RoundTripConstructor.add_constructor( |
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|
1782 u'tag:yaml.org,2002:omap', RoundTripConstructor.construct_yaml_omap |
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1783 ) |
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1784 |
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1785 RoundTripConstructor.add_constructor( |
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|
1786 u'tag:yaml.org,2002:pairs', RoundTripConstructor.construct_yaml_pairs |
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1787 ) |
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1788 |
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1789 RoundTripConstructor.add_constructor( |
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1790 u'tag:yaml.org,2002:set', RoundTripConstructor.construct_yaml_set |
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1791 ) |
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1792 |
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1793 RoundTripConstructor.add_constructor( |
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1794 u'tag:yaml.org,2002:str', RoundTripConstructor.construct_yaml_str |
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1795 ) |
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1796 |
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1797 RoundTripConstructor.add_constructor( |
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1798 u'tag:yaml.org,2002:seq', RoundTripConstructor.construct_yaml_seq |
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1799 ) |
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1800 |
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1801 RoundTripConstructor.add_constructor( |
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1802 u'tag:yaml.org,2002:map', RoundTripConstructor.construct_yaml_map |
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1803 ) |
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1804 |
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1805 RoundTripConstructor.add_constructor(None, RoundTripConstructor.construct_undefined) |