Mercurial > hgrepos > Python > libs > pygments-lexer-pseudocode2

annotate docs/conf.py @ 290:3e2f7ca64894

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More cross-references to "Explicit Token Types" in the docs
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 22 May 2026 12:48:39 +0200
parents 051c8877ee22
children
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1 # Configuration file for the Sphinx documentation builder.
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2 #
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3 # For the full list of built-in configuration values, see the documentation:
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4 # https://www.sphinx-doc.org/en/master/usage/configuration.html
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5
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6 import ast
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7 import datetime
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8 import functools
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9 import io
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10 import os
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11 import sys
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12 import re
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13
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14 import pygments.lexers
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15 import pygments.filters
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16 import sphinx.util.logging
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17 import sphinx.transforms
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19 sys.path.insert(0, os.path.dirname(os.path.abspath('.')))
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21 from pygments_lexer_pseudocode2.lexers.algpseudocode import (
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22 AlgPseudocodeLexer, AlgPseudocodeLexer_DE, AlgPseudocodeLexer_FR)
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23 from pygments_lexer_pseudocode2.lexers.fr_pseudocode import FrPseudocodeLexer
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24 from pygments_lexer_pseudocode2.filters import (
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25 TokenReplaceFilter, ErrorToGenericErrorTokenFilter)
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28 needs_sphinx = '2.1'
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29 """This is the theory:
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31 - 2.1: - :py:meth:Sphinx.add_lexer` takes a class as argument
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32
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33 Currently really built and tested with Sphinx 7.1.2.
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35 """
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36
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37 current_date = datetime.date.today().isoformat()
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39 master_doc = "index"
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41 # -- Project information -----------------------------------------------------
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42 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
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44 project = 'Pygments Pseudocode Lexer'
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45 copyright = u'2026 Franz Glasner. © Copyright 2015 Simon Wachter'
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46 author = 'Franz Glasner'
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48 #
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49 # Determine "release" and other release metadata dynamically from the
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50 # package's "__version__" or other VCS data.
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51 #
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53 #
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54 # Optimistically assume that all keywords are expanded properly everywhere:
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55 # do not define special VCSxxx keyword below.
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56 #
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57 define_rest_keywords = False
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58 with io.open("../pygments_lexer_pseudocode2/__init__.py",
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59 "rt",
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60 encoding="utf-8") as relfp:
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61 verfiledata = relfp.read()
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62 release = ast.literal_eval(
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63 re.search(r"""^\s*__version__\s*=\s*(("|')[^"']*\2)""",
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64 verfiledata,
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65 re.MULTILINE).group(1))
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66 release_date = today = ast.literal_eval(
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67 re.search(r"""^\s*__date__\s*=\s*(("|')[^"']*\2)""",
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68 verfiledata,
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69 re.MULTILINE).group(1))
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70 if (not release_date
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71 or (release_date.startswith("|") and release_date.endswith("|"))):
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72 release_date = today = "dev-%s" % (current_date,)
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73 release_rev = ast.literal_eval(
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74 re.search(r"""^\s*__revision__\s*=\s*(("|')[^"']*\2)""",
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75 verfiledata,
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76 re.MULTILINE).group(1))
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77 if (not release_rev
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78 or (release_rev.startswith("|") or release_rev.endswith("|"))):
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79 #
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80 # Above assumption is not true: "hg kwarchive" may not have been called.
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81 # Try to determine from VCS.
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82 #
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83 import subprocess
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84 try:
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85 release_rev = subprocess.check_output(
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86 ["hg", "id", "-i"], stderr=subprocess.STDOUT)
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87 except Exception:
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88 release_rev = "<UNKNOWN>"
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89 else:
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90 if sys.version_info[0] >= 3:
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91 release_rev = release_rev.decode("ascii")
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92 release_rev = "dev-%s" % (release_rev.strip(),)
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93 define_rest_keywords = True
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94
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95 version = release
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96 primary_domain = None
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98 # -- General configuration ---------------------------------------------------
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99 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
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100
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101 extensions = [
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102 "sphinx.ext.todo",
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103 ]
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104
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105 templates_path = ['_templates']
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106 exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', 'lexerlist.rst']
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107
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108 highlight_language = "none"
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109
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110 rst_prolog = """
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111 .. role:: algpseudocode(code)
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112 .. _Pygments: https://pygments.org/
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113 .. _Sphinx: https://www.sphinx-doc.org
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114 .. _Python: https://www.python.org/
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115 .. _Algpseudocodex: https://ctan.org/pkg/algpseudocodex
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116 """
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117
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119 # --- Options for todo extension ---------------------------------------------
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120 todo_include_todos = True
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123 # -- Options for HTML output -------------------------------------------------
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124 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
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125
139
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126 html_static_path = ['_static']
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127 html_extra_path = ['../LICENSES']
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128 html_copy_source = True
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129 html_show_sourcelink = False # place a manual link on some selected pages only
263
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130 #html_sidebars = {
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131 # '**': [
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132 # 'localtoc.html', # a fine-grained table of contents of the
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133 # # current document
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134 # 'globaltoc.html', # a coarse-grained table of contents for the
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135 # # whole documentation set -- collapsed
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136 # 'sourcelink.html', # a link to the source of the current document,
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137 # # if enabled in html_show_sourcelink
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138 # 'relations.html', # two links to the previous and next documents
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139 # 'searchbox.html', # the “quick search” box
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140 # ],
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141 #}
139
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142
121
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143 #html_theme = 'alabaster'
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144 html_theme = 'haiku'
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145 html_css_files = ["custom-haiku.css"]
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146 html_title = 'The %s v%s' % (project, release)
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147 html_short_title = html_title
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148 html_last_updated_fmt = "%s (rev %s)" % (current_date, release_rev)
143
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149 #pygments_style = "sphinx"
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150 pygments_style = "default"
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151
171
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152 # --- Options for LaTeX output -----------------------------------------------
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153 # https://www.sphinx-doc.org/en/master/latex.html
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154 latex_engine = 'lualatex'
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155 latex_elements = {
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156 "papersize": "a4paper",
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157 "babel": r"\usepackage{babel}",
244
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158 "fontpkg": r"\usepackage[fonts=adobesourcepro]{my-doc-fonts}",
171
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159 "releasename": "Version",
261
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160 "fncychap": r"\usepackage[Sonny]{fncychap}\ChNumVar{\Huge\space}",
216
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161 "preamble": r"\usepackage[stdtitle=false]{my-doc-style}",
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162 "maketitle": r"\builddate{%s}\vcsrevision{%s}\sphinxmaketitle"
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163 % (current_date, release_rev),
171
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164 }
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165 latex_theme = "manual"
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166 latex_show_urls = "footnote"
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167 latex_show_pagerefs = True
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168 latex_domain_indices = False
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169 latex_documents = [
188
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170 ("_latex/index-latex", "PygmentsLexerPseudocode2.tex", "The Pygments Pseudocode Lexer", "Franz Glasner", "manual", True),
171
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171 ]
181
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172 latex_additional_files = [
187
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173 "_latex/my-doc-fonts.sty",
213
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174 "_latex/my-doc-style.sty",
187
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175 "examples/example-1.pseudocode", # linked via \url{}
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176 "examples/algorithm-dinic.pseudocode",
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177 "examples/algorithm-ford-fulkerson.pseudocode",
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178 "examples/algorithm-edmonds-karp.pseudocode",
183
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179 ]
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180
249
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181
250
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182 class IAMCustomSubstitutions(sphinx.transforms.SphinxTransform):
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183
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184 """Implement custom variable substitutions"""
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185
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186 default_priority = sphinx.transforms.DefaultSubstitutions.default_priority
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187
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188 _SUBSTITUTIONS = {
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189 "release_date": release_date,
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190 "release_rev": release_rev
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191 }
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192 if define_rest_keywords:
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193 _SUBSTITUTIONS.update(
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194 {"VCSJustDate": release_date,
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195 "VCSRevision": release_rev,
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196 "VCSHGRevision": release_rev})
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197
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198 def apply(self):
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199 from docutils import nodes
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200 for ref in self.document.traverse(nodes.substitution_reference):
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201 refname = ref['refname']
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202 if refname in self._SUBSTITUTIONS:
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203 stext = self._SUBSTITUTIONS[refname]
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204 ref.replace_self(nodes.Text(stext, stext))
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205 #if refname in ('release_date' 'release_rev'):
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206 # stext = self.config[refname]
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207 # ref.replace_self(nodes.Text(stext, stext))
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208
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209
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210 def setup(app):
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211 #
167
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212 # Custom release_date and commit id variables with a custom substitution
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213 # |release_date| and |release_rev|'.
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214 #
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215 app.add_config_value('release_date', '', 'env')
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216 app.add_config_value('release_rev', '', 'env')
250
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217 # Custom variable substitution
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218 app.add_transform(IAMCustomSubstitutions)
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219
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220 #
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221 # Add a custom lexer: AlgPseudocodeLexer with custom init option "no_end"
121
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222 # Given lexer must be callable: so use an indirection with "partial".
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223 #
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224 # See also:
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225 # - https://stackoverflow.com/questions/11413203/sphinx-pygments-lexer-filter-extension
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226 #
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227 app.add_lexer("NoEndAlgPseudocode",
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228 functools.partial(AlgPseudocodeLexer, no_end=True))
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229 # For developing a lexer with smoother error handling
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230 app.add_lexer("no-raiseonerror-algpseudocode",
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231 functools.partial(AlgPseudocodeLexer,
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232 prohibit_raiseonerror_filter=True))
286
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233 # Example for \ttX{Generic.Not.Yet.Existing}{...}
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234 app.add_lexer("nonstrict-algpseudocode",
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235 functools.partial(AlgPseudocodeLexer,
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236 strict_tokentype=False))
166
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237 #
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238 # To test with the custom filter that maps
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239 # Token.Error to Token.Generic.Error
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240 #
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241 app.add_lexer("genericerror-algpseudocode",
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242 functools.partial(AlgPseudocodeLexer,
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243 filters=["errortogenericerror"]))
185
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244
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245 #
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246 # Prepare for building docs while the package is not installed:
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247 # Install by "hand" into pygments!
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248 # This is an ugly *HACK*!
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249 #
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250 # IMPORTANT: Synchronize names with pyproject.toml!
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251 #
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252 try:
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253 if not pygments.lexers.find_lexer_class("AlgPseudocode"):
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254 sphinx.util.logging.getLogger("conf-setup").info(
249
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255 "%s", "Installing lexer `AlgPseudocode' and language variants")
185
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256 for clsname, lexer in (
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257 ("AlgPseudocodeLexer", AlgPseudocodeLexer),
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258 ("AlgPseudocodeLexer_DE", AlgPseudocodeLexer_DE),
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259 ("AlgPseudocodeLexer_FR", AlgPseudocodeLexer_FR)):
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260 pygments.lexers.LEXERS[clsname] = (
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261 "pygments_lexer_pseudocode2.lexers.algpseudocode",
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262 lexer.name,
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263 tuple(lexer.aliases),
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264 tuple(lexer.filenames),
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265 tuple(lexer.mimetypes))
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266 if not pygments.lexers.find_lexer_class("FrPseudocode"):
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267 sphinx.util.logging.getLogger("conf-setup").info(
249
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268 "%s", "Installing lexer `FrPseudocode'")
185
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269 for clsname, lexer in (
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270 ("FrPseudocodeLexer", FrPseudocodeLexer),):
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271 pygments.lexers.LEXERS[clsname] = (
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272 "pygments_lexer_pseudocode2.lexers.fr_pseudocode",
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273 lexer.name,
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274 tuple(lexer.aliases),
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275 tuple(lexer.filenames),
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276 tuple(lexer.mimetypes))
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277 if not pygments.filters.find_filter_class("tokenreplace"):
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278 sphinx.util.logging.getLogger("conf-setup").info(
249
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279 "%s", "Installing filter `tokenreplace'")
185
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280 pygments.filters.FILTERS["tokenreplace"] = TokenReplaceFilter
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281 if not pygments.filters.find_filter_class("errortogenericerror"):
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282 sphinx.util.logging.getLogger("conf-setup").info(
249
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283 "%s", "Installing filter `errortogenericerror'")
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284 pygments.filters.FILTERS["errortogenericerror"] = \
185
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285 ErrorToGenericErrorTokenFilter
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286 except Exception as ex:
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287 sphinx.util.logging.getLogger("conf-setup").error("%s", str(ex))
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288 sphinx.util.logging.getLogger("conf-setup").error(
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289 "%s",
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290 "No lexers/filters from pygments_lexer_pseudocode2 available;"
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291 " please install or call `pip install -e .' .")