Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/docutils/parsers/rst/directives/body.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 # $Id: body.py 8347 2019-08-26 12:12:02Z milde $ |
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2 # Author: David Goodger <goodger@python.org> |
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3 # Copyright: This module has been placed in the public domain. |
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4 |
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5 """ |
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6 Directives for additional body elements. |
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7 |
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8 See `docutils.parsers.rst.directives` for API details. |
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9 """ |
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10 |
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11 __docformat__ = 'reStructuredText' |
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12 |
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13 |
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14 from docutils import nodes |
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15 from docutils.parsers.rst import Directive |
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16 from docutils.parsers.rst import directives |
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17 from docutils.parsers.rst.roles import set_classes |
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18 from docutils.utils.code_analyzer import Lexer, LexerError, NumberLines |
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19 |
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20 |
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21 class BasePseudoSection(Directive): |
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22 |
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23 required_arguments = 1 |
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24 optional_arguments = 0 |
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25 final_argument_whitespace = True |
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26 option_spec = {'class': directives.class_option, |
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27 'name': directives.unchanged} |
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28 has_content = True |
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29 |
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30 node_class = None |
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31 """Node class to be used (must be set in subclasses).""" |
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32 |
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33 def run(self): |
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34 if not (self.state_machine.match_titles |
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35 or isinstance(self.state_machine.node, nodes.sidebar)): |
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36 raise self.error('The "%s" directive may not be used within ' |
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37 'topics or body elements.' % self.name) |
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38 self.assert_has_content() |
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39 title_text = self.arguments[0] |
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40 textnodes, messages = self.state.inline_text(title_text, self.lineno) |
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41 titles = [nodes.title(title_text, '', *textnodes)] |
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42 # Sidebar uses this code. |
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43 if 'subtitle' in self.options: |
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44 textnodes, more_messages = self.state.inline_text( |
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45 self.options['subtitle'], self.lineno) |
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46 titles.append(nodes.subtitle(self.options['subtitle'], '', |
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47 *textnodes)) |
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48 messages.extend(more_messages) |
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49 text = '\n'.join(self.content) |
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50 node = self.node_class(text, *(titles + messages)) |
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51 node['classes'] += self.options.get('class', []) |
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52 self.add_name(node) |
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53 if text: |
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54 self.state.nested_parse(self.content, self.content_offset, node) |
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55 return [node] |
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56 |
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57 |
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58 class Topic(BasePseudoSection): |
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59 |
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60 node_class = nodes.topic |
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61 |
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62 |
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63 class Sidebar(BasePseudoSection): |
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64 |
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65 node_class = nodes.sidebar |
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66 |
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67 option_spec = BasePseudoSection.option_spec.copy() |
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68 option_spec['subtitle'] = directives.unchanged_required |
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69 |
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70 def run(self): |
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71 if isinstance(self.state_machine.node, nodes.sidebar): |
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72 raise self.error('The "%s" directive may not be used within a ' |
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73 'sidebar element.' % self.name) |
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74 return BasePseudoSection.run(self) |
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75 |
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76 |
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77 class LineBlock(Directive): |
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78 |
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79 option_spec = {'class': directives.class_option, |
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80 'name': directives.unchanged} |
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81 has_content = True |
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82 |
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83 def run(self): |
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84 self.assert_has_content() |
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85 block = nodes.line_block(classes=self.options.get('class', [])) |
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86 self.add_name(block) |
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87 node_list = [block] |
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88 for line_text in self.content: |
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89 text_nodes, messages = self.state.inline_text( |
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90 line_text.strip(), self.lineno + self.content_offset) |
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91 line = nodes.line(line_text, '', *text_nodes) |
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92 if line_text.strip(): |
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93 line.indent = len(line_text) - len(line_text.lstrip()) |
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94 block += line |
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95 node_list.extend(messages) |
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96 self.content_offset += 1 |
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97 self.state.nest_line_block_lines(block) |
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98 return node_list |
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99 |
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100 |
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101 class ParsedLiteral(Directive): |
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102 |
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103 option_spec = {'class': directives.class_option, |
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104 'name': directives.unchanged} |
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105 has_content = True |
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106 |
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107 def run(self): |
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108 set_classes(self.options) |
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109 self.assert_has_content() |
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110 text = '\n'.join(self.content) |
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111 text_nodes, messages = self.state.inline_text(text, self.lineno) |
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112 node = nodes.literal_block(text, '', *text_nodes, **self.options) |
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113 node.line = self.content_offset + 1 |
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114 self.add_name(node) |
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115 return [node] + messages |
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116 |
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117 |
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118 class CodeBlock(Directive): |
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119 """Parse and mark up content of a code block. |
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120 |
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121 Configuration setting: syntax_highlight |
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122 Highlight Code content with Pygments? |
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123 Possible values: ('long', 'short', 'none') |
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124 |
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125 """ |
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126 optional_arguments = 1 |
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127 option_spec = {'class': directives.class_option, |
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128 'name': directives.unchanged, |
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129 'number-lines': directives.unchanged # integer or None |
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130 } |
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131 has_content = True |
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132 |
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133 def run(self): |
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134 self.assert_has_content() |
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135 if self.arguments: |
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136 language = self.arguments[0] |
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137 else: |
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138 language = '' |
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139 set_classes(self.options) |
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140 classes = ['code'] |
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141 if language: |
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142 classes.append(language) |
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143 if 'classes' in self.options: |
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144 classes.extend(self.options['classes']) |
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145 |
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146 # set up lexical analyzer |
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147 try: |
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148 tokens = Lexer(u'\n'.join(self.content), language, |
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149 self.state.document.settings.syntax_highlight) |
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150 except LexerError as error: |
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151 raise self.warning(error) |
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152 |
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153 if 'number-lines' in self.options: |
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154 # optional argument `startline`, defaults to 1 |
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155 try: |
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156 startline = int(self.options['number-lines'] or 1) |
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157 except ValueError: |
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158 raise self.error(':number-lines: with non-integer start value') |
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159 endline = startline + len(self.content) |
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160 # add linenumber filter: |
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161 tokens = NumberLines(tokens, startline, endline) |
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162 |
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163 node = nodes.literal_block('\n'.join(self.content), classes=classes) |
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164 self.add_name(node) |
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165 # if called from "include", set the source |
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166 if 'source' in self.options: |
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167 node.attributes['source'] = self.options['source'] |
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168 # analyze content and add nodes for every token |
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169 for classes, value in tokens: |
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170 if classes: |
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171 node += nodes.inline(value, value, classes=classes) |
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172 else: |
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173 # insert as Text to decrease the verbosity of the output |
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174 node += nodes.Text(value) |
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175 |
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176 return [node] |
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177 |
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178 |
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179 class MathBlock(Directive): |
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180 |
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181 option_spec = {'class': directives.class_option, |
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182 'name': directives.unchanged} |
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183 ## TODO: Add Sphinx' ``mathbase.py`` option 'nowrap'? |
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184 # 'nowrap': directives.flag, |
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185 has_content = True |
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186 |
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187 def run(self): |
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188 set_classes(self.options) |
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189 self.assert_has_content() |
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190 # join lines, separate blocks |
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191 content = '\n'.join(self.content).split('\n\n') |
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192 _nodes = [] |
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193 for block in content: |
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194 if not block: |
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195 continue |
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196 node = nodes.math_block(self.block_text, block, **self.options) |
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197 node.line = self.content_offset + 1 |
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198 self.add_name(node) |
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199 _nodes.append(node) |
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200 return _nodes |
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201 |
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202 |
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203 class Rubric(Directive): |
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204 |
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205 required_arguments = 1 |
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206 optional_arguments = 0 |
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207 final_argument_whitespace = True |
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208 option_spec = {'class': directives.class_option, |
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209 'name': directives.unchanged} |
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210 |
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211 def run(self): |
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212 set_classes(self.options) |
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213 rubric_text = self.arguments[0] |
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214 textnodes, messages = self.state.inline_text(rubric_text, self.lineno) |
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215 rubric = nodes.rubric(rubric_text, '', *textnodes, **self.options) |
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216 self.add_name(rubric) |
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217 return [rubric] + messages |
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218 |
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219 |
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220 class BlockQuote(Directive): |
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221 |
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222 has_content = True |
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223 classes = [] |
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224 |
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225 def run(self): |
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226 self.assert_has_content() |
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227 elements = self.state.block_quote(self.content, self.content_offset) |
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228 for element in elements: |
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229 if isinstance(element, nodes.block_quote): |
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230 element['classes'] += self.classes |
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231 return elements |
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232 |
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233 |
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234 class Epigraph(BlockQuote): |
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235 |
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236 classes = ['epigraph'] |
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237 |
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238 |
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239 class Highlights(BlockQuote): |
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240 |
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241 classes = ['highlights'] |
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242 |
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243 |
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244 class PullQuote(BlockQuote): |
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245 |
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246 classes = ['pull-quote'] |
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247 |
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248 |
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249 class Compound(Directive): |
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250 |
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251 option_spec = {'class': directives.class_option, |
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252 'name': directives.unchanged} |
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253 has_content = True |
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254 |
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255 def run(self): |
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256 self.assert_has_content() |
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257 text = '\n'.join(self.content) |
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258 node = nodes.compound(text) |
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259 node['classes'] += self.options.get('class', []) |
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260 self.add_name(node) |
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261 self.state.nested_parse(self.content, self.content_offset, node) |
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262 return [node] |
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263 |
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264 |
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265 class Container(Directive): |
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266 |
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267 optional_arguments = 1 |
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268 final_argument_whitespace = True |
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269 option_spec = {'name': directives.unchanged} |
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270 has_content = True |
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271 |
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272 def run(self): |
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273 self.assert_has_content() |
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274 text = '\n'.join(self.content) |
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275 try: |
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276 if self.arguments: |
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277 classes = directives.class_option(self.arguments[0]) |
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278 else: |
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279 classes = [] |
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280 except ValueError: |
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281 raise self.error( |
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282 'Invalid class attribute value for "%s" directive: "%s".' |
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283 % (self.name, self.arguments[0])) |
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284 node = nodes.container(text) |
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285 node['classes'].extend(classes) |
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286 self.add_name(node) |
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287 self.state.nested_parse(self.content, self.content_offset, node) |
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288 return [node] |