Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/pip/_internal/commands/search.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 import logging |
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2 import shutil |
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3 import sys |
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4 import textwrap |
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5 from collections import OrderedDict |
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6 |
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7 from pip._vendor import pkg_resources |
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8 from pip._vendor.packaging.version import parse as parse_version |
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9 |
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10 # NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is |
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11 # why we ignore the type on this import |
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12 from pip._vendor.six.moves import xmlrpc_client # type: ignore |
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13 |
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14 from pip._internal.cli.base_command import Command |
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15 from pip._internal.cli.req_command import SessionCommandMixin |
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16 from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS |
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17 from pip._internal.exceptions import CommandError |
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18 from pip._internal.models.index import PyPI |
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19 from pip._internal.network.xmlrpc import PipXmlrpcTransport |
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20 from pip._internal.utils.logging import indent_log |
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21 from pip._internal.utils.misc import get_distribution, write_output |
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22 from pip._internal.utils.typing import MYPY_CHECK_RUNNING |
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23 |
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24 if MYPY_CHECK_RUNNING: |
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25 from optparse import Values |
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26 from typing import Dict, List, Optional |
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27 |
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28 from typing_extensions import TypedDict |
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29 TransformedHit = TypedDict( |
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30 'TransformedHit', |
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31 {'name': str, 'summary': str, 'versions': List[str]}, |
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32 ) |
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33 |
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34 logger = logging.getLogger(__name__) |
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35 |
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36 |
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37 class SearchCommand(Command, SessionCommandMixin): |
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38 """Search for PyPI packages whose name or summary contains <query>.""" |
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39 |
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40 usage = """ |
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41 %prog [options] <query>""" |
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42 ignore_require_venv = True |
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43 |
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44 def add_options(self): |
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45 # type: () -> None |
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46 self.cmd_opts.add_option( |
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47 '-i', '--index', |
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48 dest='index', |
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49 metavar='URL', |
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50 default=PyPI.pypi_url, |
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51 help='Base URL of Python Package Index (default %default)') |
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52 |
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53 self.parser.insert_option_group(0, self.cmd_opts) |
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54 |
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55 def run(self, options, args): |
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56 # type: (Values, List[str]) -> int |
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57 if not args: |
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58 raise CommandError('Missing required argument (search query).') |
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59 query = args |
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60 pypi_hits = self.search(query, options) |
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61 hits = transform_hits(pypi_hits) |
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62 |
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63 terminal_width = None |
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64 if sys.stdout.isatty(): |
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65 terminal_width = shutil.get_terminal_size()[0] |
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66 |
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67 print_results(hits, terminal_width=terminal_width) |
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68 if pypi_hits: |
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69 return SUCCESS |
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70 return NO_MATCHES_FOUND |
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71 |
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72 def search(self, query, options): |
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73 # type: (List[str], Values) -> List[Dict[str, str]] |
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74 index_url = options.index |
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75 |
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76 session = self.get_default_session(options) |
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77 |
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78 transport = PipXmlrpcTransport(index_url, session) |
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79 pypi = xmlrpc_client.ServerProxy(index_url, transport) |
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80 try: |
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81 hits = pypi.search({'name': query, 'summary': query}, 'or') |
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82 except xmlrpc_client.Fault as fault: |
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83 message = "XMLRPC request failed [code: {code}]\n{string}".format( |
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84 code=fault.faultCode, |
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85 string=fault.faultString, |
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86 ) |
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87 raise CommandError(message) |
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88 return hits |
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89 |
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90 |
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91 def transform_hits(hits): |
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92 # type: (List[Dict[str, str]]) -> List[TransformedHit] |
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93 """ |
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94 The list from pypi is really a list of versions. We want a list of |
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95 packages with the list of versions stored inline. This converts the |
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96 list from pypi into one we can use. |
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97 """ |
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98 packages = OrderedDict() # type: OrderedDict[str, TransformedHit] |
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99 for hit in hits: |
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100 name = hit['name'] |
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101 summary = hit['summary'] |
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102 version = hit['version'] |
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103 |
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104 if name not in packages.keys(): |
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105 packages[name] = { |
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106 'name': name, |
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107 'summary': summary, |
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108 'versions': [version], |
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109 } |
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110 else: |
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111 packages[name]['versions'].append(version) |
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112 |
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113 # if this is the highest version, replace summary and score |
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114 if version == highest_version(packages[name]['versions']): |
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115 packages[name]['summary'] = summary |
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116 |
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117 return list(packages.values()) |
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118 |
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119 |
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120 def print_results(hits, name_column_width=None, terminal_width=None): |
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121 # type: (List[TransformedHit], Optional[int], Optional[int]) -> None |
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122 if not hits: |
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123 return |
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124 if name_column_width is None: |
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125 name_column_width = max([ |
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126 len(hit['name']) + len(highest_version(hit.get('versions', ['-']))) |
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127 for hit in hits |
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128 ]) + 4 |
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129 |
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130 installed_packages = [p.project_name for p in pkg_resources.working_set] |
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131 for hit in hits: |
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132 name = hit['name'] |
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133 summary = hit['summary'] or '' |
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134 latest = highest_version(hit.get('versions', ['-'])) |
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135 if terminal_width is not None: |
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136 target_width = terminal_width - name_column_width - 5 |
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137 if target_width > 10: |
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138 # wrap and indent summary to fit terminal |
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139 summary_lines = textwrap.wrap(summary, target_width) |
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140 summary = ('\n' + ' ' * (name_column_width + 3)).join( |
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141 summary_lines) |
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142 |
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143 line = '{name_latest:{name_column_width}} - {summary}'.format( |
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144 name_latest='{name} ({latest})'.format(**locals()), |
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145 **locals()) |
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146 try: |
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147 write_output(line) |
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148 if name in installed_packages: |
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149 dist = get_distribution(name) |
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150 assert dist is not None |
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151 with indent_log(): |
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152 if dist.version == latest: |
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153 write_output('INSTALLED: %s (latest)', dist.version) |
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154 else: |
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155 write_output('INSTALLED: %s', dist.version) |
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156 if parse_version(latest).pre: |
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157 write_output('LATEST: %s (pre-release; install' |
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158 ' with "pip install --pre")', latest) |
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159 else: |
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160 write_output('LATEST: %s', latest) |
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161 except UnicodeEncodeError: |
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162 pass |
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163 |
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164 |
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165 def highest_version(versions): |
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166 # type: (List[str]) -> str |
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167 return max(versions, key=parse_version) |