docs/conf: cleanup

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

Author: umarcor

docs/conf.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2017-2021  F4PGA Authors.
+# Copyright (C) 2017-2022  F4PGA Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,170 +17,85 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-# Interchange-schema documentation build configuration file,
-# created by sphinx-quickstart on Mon Feb 5 11:04:37 2018.
-#
-# 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.
+# Updated documentation of the configuration options is available at
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
 
-import re
+from re import sub as re_sub
+from os import path as os_path, environ, popen
+from sys import path as sys_path
 
-# 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.
-#
-import os
-import sys
-sys.path.insert(0, os.path.abspath('.'))
+sys_path.insert(0, os_path.abspath('.'))
 
 # -- General configuration ------------------------------------------------
 
-# If your documentation needs a minimal Sphinx version, state it here.
-#
-# needs_sphinx = '1.0'
+project = 'FPGA Interchange Format'
+copyright = '2022, F4PGA Developers'
+author = 'F4PGA Developers'
 
-# 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.autodoc',
     'sphinx.ext.autosummary',
     'sphinx.ext.doctest',
     'sphinx.ext.imgmath',
+    'sphinx.ext.intersphinx',
     'sphinx.ext.napoleon',
     'sphinx.ext.todo',
     'sphinx_markdown_tables',
     'recommonmark',
 ]
 
-# 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', '.md']
 
-# The master toctree document.
 master_doc = 'index'
 
-# General information about the project.
-project = u'FPGA Interchange Format'
-copyright = u'2022, F4PGA Developers'
-author = u'F4PGA Developers'
-
-# Enable github links when not on readthedocs
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
-if not on_rtd:
-    html_context = {
-        "display_github": True,  # Integrate GitHub
-        "github_user": "chipsalliance",  # Username
-        "github_repo": "fpga-interchange-schema",  # Repo name
-        "github_version": "master",  # Version
-        "conf_py_path": "/docs/",
-    }
-else:
-    docs_dir = os.path.abspath(os.path.dirname(__file__))
+on_rtd = environ.get('READTHEDOCS', None) == 'True'
+
+if on_rtd:
+    docs_dir = os_path.abspath(os_path.dirname(__file__))
     print("Docs dir is:", docs_dir)
     import subprocess
     subprocess.call('git fetch origin --unshallow', cwd=docs_dir, shell=True)
     subprocess.check_call('git fetch origin --tags', cwd=docs_dir, shell=True)
 
-# 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 full version, including alpha/beta/rc tags.
-release = re.sub('^v', '', os.popen('git describe').read().strip())
-# The short X.Y version.
+release = re_sub('^v', '', popen('git describe').read().strip())
 version = release
 
-# 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
 
-# List of patterns, relative to source directory, that match files and
-# directories to ignore when looking for source files.
-# This patterns also effect to html_static_path and html_extra_path
-exclude_patterns = ['_build', 'env', 'Thumbs.db', '.DS_Store']
+exclude_patterns = [
+    '_build',
+    'env',
+    'Thumbs.db',
+    '.DS_Store'
+]
 
-# The name of the Pygments (syntax highlighting) style to use.
 pygments_style = 'default'
 
-# 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 = 'sphinx_symbiflow_theme'
 
-# 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 = {
     'repo_name': 'chipsalliance/fpga-interchange-schema',
     'github_url': 'https://github.com/chipsalliance/fpga-interchange-schema',
     'color_primary': 'indigo',
     'color_accent': 'blue',
 }
 
-# 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']
 
-# Custom sidebar templates, must be a dictionary that maps document names
-# to template names.
-#
-# This is required for the alabaster theme
-# refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
-html_sidebars = {
-    '**': [
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
-    ]
-}
-
 # -- Options for HTMLHelp output ------------------------------------------
 
-# Output file base name for HTML help builder.
 htmlhelp_basename = 'fpga-interchange-schema'
 
 # -- Options for LaTeX output ---------------------------------------------
 
-latex_elements = {
-    # The paper size ('letterpaper' or 'a4paper').
-    #
-    # 'papersize': 'letterpaper',
-
-    # The font size ('10pt', '11pt' or '12pt').
-    #
-    # 'pointsize': '10pt',
+latex_elements = {}
 
-    # 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,
@@ -193,8 +108,6 @@
 
 # -- 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,
@@ -207,9 +120,6 @@
 
 # -- 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,
@@ -222,9 +132,8 @@
     ),
 ]
 
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+# -- Sphinx.Ext.InterSphinx -----------------------------------------------
 
-
-def setup(app):
-    pass
+intersphinx_mapping = {
+    "python": ("https://docs.python.org/3/", None),
+}