doc/developer/conf.py

# -*- coding: utf-8 -*-
#
# FRR documentation build configuration file, created by
# sphinx-quickstart on Tue Jan 31 16:00:52 2017.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.

import sys
import os
import re
import pygments
from sphinx.highlighting import lexers

# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#sys.path.insert(0, os.path.abspath('.'))

# -- General configuration ------------------------------------------------

# If your documentation needs a minimal Sphinx version, state it here.
needs_sphinx = '1.0'

# prolog for various variable substitutions
rst_prolog = ''

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = ['sphinx.ext.todo', 'sphinx.ext.graphviz']

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
# source_suffix = ['.rst']
source_suffix = '.rst'

# The encoding of source files.
#source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = u'FRR'
copyright = u'2017, FRR'
author = u'FRR authors'

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.

# The short X.Y version.
version = u'?.?'
# The full version, including alpha/beta/rc tags.
release = u'?.?-?'


# -----------------------------------------------------------------------------
# Extract values from codebase for substitution into docs.
# -----------------------------------------------------------------------------

# Various installation prefixes. Values are extracted from config.status.
# Reasonable defaults are set in case that file does not exist.
replace_vars = {
    'AUTHORS': author,
    'COPYRIGHT_YEAR': '1999-2005',
    'COPYRIGHT_STR': 'Copyright (c) 1999-2005',
    'PACKAGE_NAME': project.lower(),
    'PACKAGE_TARNAME': project.lower(),
    'PACKAGE_STRING': project.lower() + ' latest',
    'PACKAGE_URL': 'https://frrouting.org/',
    'PACKAGE_VERSION': 'latest',
    'INSTALL_PREFIX_ETC': '/etc/frr',
    'INSTALL_PREFIX_SBIN': '/usr/lib/frr',
    'INSTALL_PREFIX_STATE': '/var/run/frr',
    'INSTALL_PREFIX_MODULES': '/usr/lib/frr/modules',
    'INSTALL_USER': 'frr',
    'INSTALL_GROUP': 'frr',
    'INSTALL_VTY_GROUP': 'frrvty',
    'GROUP': 'frr',
    'USER': 'frr',
}

# extract version information, installation location, other stuff we need to
# use when building final documents
val = re.compile('^S\["([^"]+)"\]="(.*)"$')
try:
    with open('../../config.status', 'r') as cfgstatus:
        for ln in cfgstatus.readlines():
            m = val.match(ln)
            if not m or m.group(1) not in replace_vars.keys(): continue
            replace_vars[m.group(1)] = m.group(2)
except IOError:
    # if config.status doesn't exist, just ignore it
    pass

# manually fill out some of these we can't get from config.status
replace_vars['COPYRIGHT_STR'] = "Copyright (c)"
replace_vars['COPYRIGHT_STR'] += ' {0}'.format(replace_vars['COPYRIGHT_YEAR'])
replace_vars['COPYRIGHT_STR'] += ' {0}'.format(replace_vars['AUTHORS'])
release = replace_vars['PACKAGE_VERSION']
version = release.split('-')[0]

# add substitutions to prolog
for key, value in replace_vars.items():
    rst_prolog += '.. |{0}| replace:: {1}\n'.format(key, value)


# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ['_build', 'building-libyang.rst', 'topotests-snippets.rst', 'include-compile.rst']

# The reST default role (used for this markup: `text`) to use for all
# documents.
#default_role = None

# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True

# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True

# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'

# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []

# If true, keep warnings as "system message" paragraphs in the built documents.
#keep_warnings = False

# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = True


# -- Options for HTML output ----------------------------------------------

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
html_theme = 'default'

try:
    import sphinx_rtd_theme

    html_theme = 'sphinx_rtd_theme'
except ImportError:
    pass

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
#html_theme_options = {
#    'sidebarbgcolor': '#374249'
#}

# Add any paths that contain custom themes here, relative to this directory.
#html_theme_path = []

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
#html_title = None

# A shorter title for the navigation bar.  Default is the same as html_title.
#html_short_title = None

# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = '../figures/frr-icon.svg'

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = '../figures/frr-logo-icon.png'

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']

# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#html_extra_path = []

# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'

# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True

# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}

# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}

# If false, no module index is generated.
#html_domain_indices = True

# If false, no index is generated.
#html_use_index = True

# If true, the index is split into individual pages for each letter.
#html_split_index = False

# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True

# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True

# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True

# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it.  The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''

# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None

# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
#   'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
#   'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
#html_search_language = 'en'

# A dictionary with options for the search language support, empty by default.
# Now only 'ja' uses this config value
#html_search_options = {'type': 'default'}

# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
#html_search_scorer = 'scorer.js'

# Output file base name for HTML help builder.
htmlhelp_basename = 'FRRdoc'

# -- Options for LaTeX output ---------------------------------------------

latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#'papersize': 'letterpaper',

# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',

# Additional stuff for the LaTeX preamble.
#'preamble': '',

# Latex figure (float) alignment
#'figure_align': 'htbp',
}

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
    (master_doc, 'FRR.tex', u"FRR Developer's Manual",
     u'FRR', 'manual'),
]

# The name of an image file (relative to this directory) to place at the top of
# the title page.
latex_logo = '../figures/frr-logo-medium.png'

# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False

# If true, show page references after internal links.
#latex_show_pagerefs = False

# If true, show URL addresses after external links.
#latex_show_urls = False

# Documents to append as an appendix to all manuals.
#latex_appendices = []

# If false, no module index is generated.
#latex_domain_indices = True


# -- Options for manual page output ---------------------------------------

# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
    (master_doc, 'frr', u"FRR Developer's Manual",
     [author], 1)
]

# If true, show URL addresses after external links.
#man_show_urls = False


# -- Options for Texinfo output -------------------------------------------

# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
#  dir menu entry, description, category)
texinfo_documents = [
    (master_doc, 'frr', u"FRR Developer's Manual",
     author, 'FRR', 'One line description of project.',
     'Miscellaneous'),
]

# Documents to append as an appendix to all manuals.
#texinfo_appendices = []

# If false, no module index is generated.
#texinfo_domain_indices = True

# How to display URL addresses: 'footnote', 'no', or 'inline'.
#texinfo_show_urls = 'footnote'

# If true, do not generate a @detailmenu in the "Top" node's menu.
#texinfo_no_detailmenu = False

# contents of ../extra/frrlexer.py.
# This is read here to support VPATH build. Since this section is execfile()'d
# with the file location, we can safely use a relative path here to save the
# contents of the lexer file for later use even if our relative path changes
# due to VPATH.
with open('../extra/frrlexer.py', 'rb') as lex:
    frrlexerpy = lex.read()

# custom extensions here
def setup(app):
    # object type for FRR CLI commands, can be extended to document parent CLI
    # node later on
    app.add_object_type('clicmd', 'clicmd')
    # css overrides for HTML theme
    app.add_stylesheet('overrides.css')
    # load Pygments lexer for FRR config syntax
    #
    # NB: in Pygments 2.2+ this can be done with `load_lexer_from_file`, but we
    # do it manually since not all of our supported build platforms have 2.2
    # yet.
    #
    # frrlexer = pygments.lexers.load_lexer_from_file('../extra/frrlexer.py', lexername="FRRLexer")
    custom_namespace = {}
    exec(frrlexerpy, custom_namespace)
    lexers['frr'] = custom_namespace['FRRLexer']()