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

annotate docs/conf.py @ 213:d470250f8451

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Title/metadata of PDF documentation builds: - make the printet "normal" date also a revision date - print an extra line with creation date and the revision number
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 15 May 2026 05:15:59 +0200
parents ae0f6dda6e49
children 8ef73270beae
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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
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18 sys.path.insert(0, os.path.dirname(os.path.abspath('.')))
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19
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20 from pygments_lexer_pseudocode2.lexers.algpseudocode import (
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21 AlgPseudocodeLexer, AlgPseudocodeLexer_DE, AlgPseudocodeLexer_FR)
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22 from pygments_lexer_pseudocode2.lexers.fr_pseudocode import FrPseudocodeLexer
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23 from pygments_lexer_pseudocode2.filters import (
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24 TokenReplaceFilter, ErrorToGenericErrorTokenFilter)
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27 needs_sphinx = '2.1'
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28 """This is the theory:
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30 - 2.1: - :py:meth:Sphinx.add_lexer` takes a class as argument
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31
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32 Currently really built and tested with Sphinx 7.1.2.
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34 """
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36 current_date = datetime.date.today().isoformat()
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37
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38 master_doc = "index"
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40 # -- Project information -----------------------------------------------------
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41 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
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42
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43 project = 'Pygments Pseudocode Lexer'
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44 copyright = u'2026 Franz Glasner. © Copyright 2015 Simon Wachter'
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45 author = 'Franz Glasner'
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46 #
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47 # Determine "release" and other release metadata dynamically from the
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48 # package's "__version__" or other VCS data.
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49 #
49
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50 with io.open("../pygments_lexer_pseudocode2/__init__.py",
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51 "rt",
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52 encoding="utf-8") as relfp:
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53 verfiledata = relfp.read()
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54 release = ast.literal_eval(
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55 re.search(r"""^\s*__version__\s*=\s*(("|')[^"']*\2)""",
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56 verfiledata,
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57 re.MULTILINE).group(1))
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58 release_date = today = (
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59 ast.literal_eval(
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60 re.search(r"""^\s*__date__\s*=\s*(("|')[^"']*\2)""",
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61 verfiledata,
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62 re.MULTILINE).group(1))
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63 or "dev:%s" % (current_date,)
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64 )
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65 release_rev = ast.literal_eval(
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66 re.search(r"""^\s*__revision__\s*=\s*(("|')[^"']*\2)""",
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67 verfiledata,
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68 re.MULTILINE).group(1))
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69 if release_rev.startswith("|") or release_rev.endswith("|"):
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70 # Assume that make export (hg kwarchive) may not has been called.
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71 import subprocess
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72 try:
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73 release_rev = subprocess.check_output(
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74 ["hg", "id", "-i"], stderr=subprocess.STDOUT)
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75 except Exception:
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76 release_rev = "<unknown>"
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77 else:
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78 if sys.version_info[0] >= 3:
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79 release_rev = release_rev.decode("ascii")
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80 release_rev = "dev:%s" % (release_rev.strip(),)
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81 define_rest_keywords = True
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82 else:
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83 #
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84 # Assume that all keywords are expanded properly everywhere:
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85 # do not define special VCSxxx keyword below.
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86 #
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87 define_rest_keywords = False
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88
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89 version = release
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90 primary_domain = None
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92 # -- General configuration ---------------------------------------------------
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93 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
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95 extensions = [
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96 "sphinx.ext.todo",
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97 ]
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99 templates_path = ['_templates']
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100 exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', 'lexerlist.rst']
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101
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102 highlight_language = "none"
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103
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104 rst_prolog = """
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105 .. role:: algpseudocode(code)
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106 .. |release_date| replace:: %s
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107 .. |release_rev| replace:: %s
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108 """ % (release_date, release_rev)
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109 if define_rest_keywords:
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110 rst_prolog += """\
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111 .. |VCSJustDate| replace:: %s
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112 .. |VCSRevision| replace:: %s
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113 """ % (release_date, release_rev)
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114 rst_epilog = """
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115 .. _Pygments: https://pygments.org/
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116 .. _Sphinx: https://www.sphinx-doc.org
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117 .. _Python: https://www.python.org/
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118 .. _Algpseudocodex: https://ctan.org/pkg/algpseudocodex
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119 """
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120
60
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121
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122 # --- Options for todo extension ---------------------------------------------
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123 todo_include_todos = True
45
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124
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125
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126 # -- Options for HTML output -------------------------------------------------
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127 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
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128
139
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129 html_static_path = ['_static']
186
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130 html_extra_path = ['../LICENSES']
167
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131 html_copy_source = False
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132 html_show_sourcelink = False
139
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133
121
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134 #html_theme = 'alabaster'
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135 html_theme = 'haiku'
170
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136 html_css_files = ["custom-haiku.css"]
139
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137 html_title = 'The %s v%s' % (project, release)
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138 html_short_title = html_title
213
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139 html_last_updated_fmt = "%s (rv:%s)" % (current_date, release_rev)
143
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140 #pygments_style = "sphinx"
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141 pygments_style = "default"
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142
171
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143 # --- Options for LaTeX output -----------------------------------------------
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144 # https://www.sphinx-doc.org/en/master/latex.html
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145 latex_engine = 'lualatex'
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146 latex_elements = {
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147 "papersize": "a4paper",
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148 "babel": r"\usepackage{babel}",
210
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149 "fontpkg": r"\usepackage[adobesource]{my-doc-fonts}",
204
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150 # "fontpkg": r"\usepackage[plexmono]{my-doc-fonts}",
196
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151 # "fontpkg": r"\usepackage[spectral]{my-doc-fonts}",
204
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152 # "fontpkg": r"\usepackage[charter]{my-doc-fonts}",
171
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153 "releasename": "Version",
200
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154 "fncychap": r"\usepackage[Sonny]{fncychap}",
213
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155 "preamble": r"""
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156 \usepackage{my-doc-style}
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157 \builddate{%s}\vcsrevision{%s}
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158 """ % (current_date, release_rev),
171
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159 }
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160 latex_theme = "manual"
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161 latex_show_urls = "footnote"
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162 latex_show_pagerefs = True
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163 latex_domain_indices = False
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164 latex_documents = [
188
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165 ("_latex/index-latex", "PygmentsLexerPseudocode2.tex", "The Pygments Pseudocode Lexer", "Franz Glasner", "manual", True),
171
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166 ]
181
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167 latex_additional_files = [
187
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168 "_latex/my-doc-fonts.sty",
213
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169 "_latex/my-doc-style.sty",
187
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170 "examples/example-1.pseudocode", # linked via \url{}
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171 "examples/algorithm-dinic.pseudocode",
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172 "examples/algorithm-ford-fulkerson.pseudocode",
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173 "examples/algorithm-edmonds-karp.pseudocode",
183
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174 ]
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175
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176 def setup(app):
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177 #
167
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178 # Custom release_date and commit id variables with a custom substitution
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179 # |release_date| and |release_rev|'.
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180 #
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181 app.add_config_value('release_date', '', 'env')
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182 app.add_config_value('release_rev', '', 'env')
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183
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184 #
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185 # Add a custom lexer: AlgPseudocodeLexer with custom init option "no_end"
121
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186 # Given lexer must be callable: so use an indirection with "partial".
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187 #
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188 # See also:
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189 # - https://stackoverflow.com/questions/11413203/sphinx-pygments-lexer-filter-extension
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190 #
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191 app.add_lexer("NoEndAlgPseudocode",
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192 functools.partial(AlgPseudocodeLexer, no_end=True))
160
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193 # For developing a lexer with smoother error handling
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194 app.add_lexer("no-raiseonerror-algpseudocode",
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195 functools.partial(AlgPseudocodeLexer,
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196 prohibit_raiseonerror_filter=True))
166
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197 #
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198 # To test with the custom filter that maps
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199 # Token.Error to Token.Generic.Error
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200 #
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201 app.add_lexer("genericerror-algpseudocode",
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202 functools.partial(AlgPseudocodeLexer,
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203 filters=["errortogenericerror"]))
185
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204
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205 #
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206 # Prepare for building docs while the package is not installed:
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207 # Install by "hand" into pygments!
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208 # This is an ugly *HACK*!
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209 #
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210 # IMPORTANT: Synchronize names with pyproject.toml!
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211 #
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212 try:
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213 if not pygments.lexers.find_lexer_class("AlgPseudocode"):
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214 sphinx.util.logging.getLogger("conf-setup").info(
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215 "%s","Installing lexer `AlgPseudocode' and language variants")
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216 for clsname, lexer in (
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217 ("AlgPseudocodeLexer", AlgPseudocodeLexer),
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218 ("AlgPseudocodeLexer_DE", AlgPseudocodeLexer_DE),
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219 ("AlgPseudocodeLexer_FR", AlgPseudocodeLexer_FR)):
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220 pygments.lexers.LEXERS[clsname] = (
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221 "pygments_lexer_pseudocode2.lexers.algpseudocode",
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222 lexer.name,
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223 tuple(lexer.aliases),
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224 tuple(lexer.filenames),
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225 tuple(lexer.mimetypes))
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226 if not pygments.lexers.find_lexer_class("FrPseudocode"):
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227 sphinx.util.logging.getLogger("conf-setup").info(
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228 "%s","Installing lexer `FrPseudocode'")
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229 for clsname, lexer in (
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230 ("FrPseudocodeLexer", FrPseudocodeLexer),):
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231 pygments.lexers.LEXERS[clsname] = (
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232 "pygments_lexer_pseudocode2.lexers.fr_pseudocode",
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233 lexer.name,
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234 tuple(lexer.aliases),
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235 tuple(lexer.filenames),
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236 tuple(lexer.mimetypes))
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237 if not pygments.filters.find_filter_class("tokenreplace"):
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238 sphinx.util.logging.getLogger("conf-setup").info(
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239 "%s","Installing filter `tokenreplace'")
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240 pygments.filters.FILTERS["tokenreplace"] = TokenReplaceFilter
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241 if not pygments.filters.find_filter_class("errortogenericerror"):
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242 sphinx.util.logging.getLogger("conf-setup").info(
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243 "%s","Installing filter `errortogenericerror'")
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244 pygments.filters.FILTERS["errortogenericerror"] = \
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245 ErrorToGenericErrorTokenFilter
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246 except Exception as ex:
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247 sphinx.util.logging.getLogger("conf-setup").error("%s", str(ex))
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248 sphinx.util.logging.getLogger("conf-setup").error(
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249 "%s",
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250 "No lexers/filters from pygments_lexer_pseudocode2 available;"
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251 " please install or call `pip install -e .' .")