2 # Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
9 # * Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # * Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in
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15 # * Neither the name of Intel Corporation nor the names of its
16 # contributors may be used to endorse or promote products derived
17 # from this software without specific prior written permission.
19 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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32 from docutils import nodes
33 from distutils.version import LooseVersion
34 from sphinx import __version__ as sphinx_version
35 from sphinx.highlighting import PygmentsBridge
36 from pygments.formatters.latex import LatexFormatter
40 html_show_copyright = False
42 version = subprocess.check_output(['make', '-sRrC', '../../', 'showversion']).decode('utf-8')
47 # Figures, tables and code-blocks automatically numbered if they have caption
58 # Latex directives to be included directly in the latex/pdf docs.
60 \usepackage[utf8]{inputenc}
61 \usepackage{DejaVuSansMono}
62 \usepackage[T1]{fontenc}
64 \renewcommand{\familydefault}{\sfdefault}
65 \RecustomVerbatimEnvironment{Verbatim}{Verbatim}{xleftmargin=5mm}
68 # Configuration for the latex/pdf docs.
70 'papersize': 'a4paper',
73 'classoptions': ',openany,oneside',
74 'babel': '\\usepackage[english]{babel}',
75 # customize Latex formatting
76 'preamble': latex_preamble
79 # Override the default Latex formatter in order to modify the
80 # code/verbatim blocks.
81 class CustomLatexFormatter(LatexFormatter):
82 def __init__(self, **options):
83 super(CustomLatexFormatter, self).__init__(**options)
84 # Use the second smallest font size for code/verbatim blocks.
85 self.verboptions = r'formatcom=\footnotesize'
87 # Replace the default latex formatter.
88 PygmentsBridge.latex_formatter = CustomLatexFormatter
90 ######## :numref: fallback ########
91 # The following hook functions add some simple handling for the :numref:
92 # directive for Sphinx versions prior to 1.3.1. The functions replace the
93 # :numref: reference with a link to the target (for all Sphinx doc types).
94 # It doesn't try to label figures/tables.
96 def numref_role(reftype, rawtext, text, lineno, inliner):
98 Add a Sphinx role to handle numref references. Note, we can't convert
99 the link here because the doctree isn't build and the target information
102 # Add an identifier to distinguish numref from other references.
103 newnode = nodes.reference('',
105 refuri='_local_numref_#%s' % text,
109 def process_numref(app, doctree, from_docname):
111 Process the numref nodes once the doctree has been built and prior to
112 writing the files. The processing involves replacing the numref with a
113 link plus text to indicate if it is a Figure or Table link.
116 # Iterate over the reference nodes in the doctree.
117 for node in doctree.traverse(nodes.reference):
118 target = node.get('refuri', '')
120 # Look for numref nodes.
121 if target.startswith('_local_numref_#'):
122 target = target.replace('_local_numref_#', '')
124 # Get the target label and link information from the Sphinx env.
125 data = app.builder.env.domains['std'].data
126 docname, label, _ = data['labels'].get(target, ('', '', ''))
127 relative_url = app.builder.get_relative_uri(from_docname, docname)
129 # Add a text label to the link.
130 if target.startswith('figure'):
132 elif target.startswith('table'):
137 # New reference node with the updated link information.
138 newnode = nodes.reference('',
140 refuri='%s#%s' % (relative_url, label),
142 node.replace_self(newnode)
145 if LooseVersion(sphinx_version) < LooseVersion('1.3.1'):
146 print('Upgrade sphinx to version >= 1.3.1 for '
147 'improved Figure/Table number handling.')
148 # Add a role to handle :numref: references.
149 app.add_role('numref', numref_role)
150 # Process the numref references once the doctree has been created.
151 app.connect('doctree-resolved', process_numref)