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python-telegram-bot/docs/source/conf.py
Bibo-Joshi 11007c1715
Documentation Improvements (#3010, #3007, #3012, #3067, #3081, #3082) 
Co-authored-by: KnorpelSenf <shtrog@gmail.com>
Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com>
Co-authored-by: Poolitzer <github@poolitzer.eu>
Co-authored-by: Adi <71205439+Aditya-Rajgor@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2022-06-09 17:08:54 +02:00

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import inspect
import os
import re
import subprocess
import sys
from enum import Enum
from pathlib import Path
from typing import Tuple
# 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.
from docutils.nodes import Element
from sphinx.application import Sphinx
from sphinx.domains.python import PyXRefRole
from sphinx.environment import BuildEnvironment
from sphinx.util import logging
sys.path.insert(0, os.path.abspath("../.."))
# -- General configuration ------------------------------------------------
# General information about the project.
project = "python-telegram-bot"
copyright = "2015-2022, Leandro Toledo"
author = "Leandro Toledo"
# 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 = "20.0a0" # telegram.__version__[:3]
# The full version, including alpha/beta/rc tags.
release = "20.0a0" # telegram.__version__
# If your documentation needs a minimal Sphinx version, state it here.
needs_sphinx = "4.5.0"
# 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.napoleon",
"sphinx.ext.intersphinx",
"sphinx.ext.linkcode",
"sphinx_paramlinks",
]
# Use intersphinx to reference the python builtin library docs
intersphinx_mapping = {
"python": ("https://docs.python.org/3", None),
"APScheduler": ("https://apscheduler.readthedocs.io/en/3.x/", None),
}
# 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"
# The master toctree document.
master_doc = "index"
# -- Extension settings ------------------------------------------------
napoleon_use_admonition_for_examples = True
# Don't show type hints in the signature - that just makes it hardly readable
# and we document the types anyway
autodoc_typehints = "none"
# Fail on warnings & unresolved references etc
nitpicky = True
# Paramlink style
paramlinks_hyperlink_param = "name"
# Linkcheck settings
linkcheck_ignore = [
# Let's not check issue/PR links - that's wasted resources
r"http(s)://github\.com/python-telegram-bot/python-telegram-bot/(issues|pull)/\d+/?",
# For some reason linkcheck has a problem with these two:
re.escape("https://github.com/python-telegram-bot/python-telegram-bot/discussions/new"),
re.escape("https://github.com/python-telegram-bot/python-telegram-bot/issues/new"),
# Anchors are apparently inserted by GitHub dynamically, so let's skip checking them
"https://github.com/python-telegram-bot/python-telegram-bot/tree/master/examples#",
r"https://github\.com/python-telegram-bot/python-telegram-bot/wiki/[\w\-_,]+\#",
]
linkcheck_allowed_redirects = {
# Redirects to the default version are okay
r"https://docs\.python-telegram-bot\.org/.*": r"https://docs\.python-telegram-bot\.org/en/[\w\d\.]+/.*",
# pre-commit.ci always redirects to the latest run
re.escape(
"https://results.pre-commit.ci/latest/github/python-telegram-bot/python-telegram-bot/master"
): r"https://results\.pre-commit\.ci/run/github/.*",
}
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = "sphinx"
# Decides the language used for syntax highlighting of code blocks.
highlight_language = "python3"
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# -- 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 = "furo"
# 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 = {
"navigation_with_keys": True,
"dark_css_variables": {
"admonition-title-font-size": "0.95rem",
"admonition-font-size": "0.92rem",
},
"light_css_variables": {
"admonition-title-font-size": "0.95rem",
"admonition-font-size": "0.92rem",
},
"announcement": "PTB has undergone significant changes in v20. Please read the documentation "
"carefully and also check out the transition guide in the "
'<a href="https://github.com/python-telegram-bot/python-telegram-bot/wiki/'
'Transition-guide-to-Version-20.0">wiki</a>.',
"footer_icons": [
{
# Telegram channel logo
"name": "Telegram Channel",
"url": "https://t.me/pythontelegrambotchannel/",
# Following svg is from https://react-icons.github.io/react-icons/search?q=telegram
"html": '<svg stroke="currentColor" fill="currentColor" stroke-width="0" '
'viewBox="0 0 16 16" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg">'
'<path d="M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zM8.287 5.906c-.778.324-2.334.994'
"-4.666 2.01-.378.15-.577.298-.595.442-.03.243.275.339.69.47l.175.055c.408.133."
"958.288 1.243.294.26.006.549-.1.868-.32 2.179-1.471 3.304-2.214 3.374-2.23.0"
"5-.012.12-.026.166.016.047.041.042.12.037.141-.03.129-1.227 1.241-1.846 1.81"
"7-.193.18-.33.307-.358.336a8.154 8.154 0 0 1-.188.186c-.38.366-.664.64.015 1.08"
"8.327.216.589.393.85.571.284.194.568.387.936.629.093.06.183.125.27.187.331.23"
"6.63.448.997.414.214-.02.435-.22.547-.82.265-1.417.786-4.486.906-5.751a1.426 "
"1.426 0 0 0-.013-.315.337.337 0 0 0-.114-.217.526.526 0 0 0-.31-.093c-.3.005-.7"
'63.166-2.984 1.09z"></path></svg>',
"class": "",
},
{ # Github logo
"name": "GitHub",
"url": "https://github.com/python-telegram-bot/python-telegram-bot/",
"html": '<svg stroke="currentColor" fill="currentColor" stroke-width="0" '
'viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 '
"2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.4"
"9-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23"
".82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 "
"0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.2"
"7 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.5"
"1.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 "
'1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z">'
"</path></svg>",
"class": "",
},
{ # PTB website logo - globe
"name": "python-telegram-bot website",
"url": "https://python-telegram-bot.org/",
"html": '<svg stroke="currentColor" fill="currentColor" stroke-width="0" '
'viewBox="0 0 16 16" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg">'
'<path d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm7.5-6.923c-.67.204-1.335.82-1.887 '
"1.855-.143.268-.276.56-.395.872.705.157 1.472.257 2.282.287V1.077zM4.249 3.53"
"9c.142-.384.304-.744.481-1.078a6.7 6.7 0 0 1 .597-.933A7.01 7.01 0 0 0 3.051 "
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"9.124 0 0 1-1.565-.667A6.964 6.964 0 0 0 1.018 7.5h2.49zm1.4-2.741a12.344 "
"12.344 0 0 0-.4 2.741H7.5V5.091c-.91-.03-1.783-.145-2.591-.332zM8.5 5.09V7.5h"
"2.99a12.342 12.342 0 0 0-.399-2.741c-.808.187-1.681.301-2.591.332zM4.51 8.5c.03"
"5.987.176 1.914.399 2.741A13.612 13.612 0 0 1 7.5 10.91V8.5H4.51zm3.99 0v2.409"
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"8-.995.482-1.565.667.248.92.4 1.938.437 3.008h2.49zM11.27 2.461c.177.334.339.6"
"94.482 1.078a8.368 8.368 0 0 0 1.196-.49 7.01 7.01 0 0 0-2.275-1.52c.218.283.4"
"18.597.597.932zm-.488 1.343a7.765 7.765 0 0 0-.395-.872C9.835 1.897 9.17 1.282 "
'8.5 1.077V4.09c.81-.03 1.577-.13 2.282-.287z"></path></svg>',
"class": "",
},
],
}
# The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation".
html_title = f"python-telegram-bot<br> v{version}"
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = "ptb-logo_1024.png"
# 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 = "ptb-logo_1024.ico"
# 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"]
html_css_files = ["style_external_link.css"]
html_permalinks_icon = "" # Furo's default permalink icon is `#`` which doesn't look great imo.
# Output file base name for HTML help builder.
htmlhelp_basename = "python-telegram-bot-doc"
# The base URL which points to the root of the HTML documentation. It is used to indicate the
# location of document using The Canonical Link Relation. Default: ''.
html_baseurl = "https://docs.python-telegram-bot.org"
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
"papersize": "a4paper",
# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
"preamble": r"""\setcounter{tocdepth}{2}
\usepackage{enumitem}
\setlistdepth{99}""",
# 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, "python-telegram-bot.tex", "python-telegram-bot Documentation", author, "manual"),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
latex_logo = "ptb-logo_1024.png"
# -- 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, "python-telegram-bot", "python-telegram-bot Documentation", [author], 1)]
# -- 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,
"python-telegram-bot",
"python-telegram-bot Documentation",
author,
"python-telegram-bot",
"We have made you a wrapper you can't refuse",
"Miscellaneous",
),
]
# -- script stuff --------------------------------------------------------
# get the sphinx(!) logger
# Makes sure logs render in red and also plays nicely with e.g. the `nitpicky` option.
sphinx_logger = logging.getLogger(__name__)
CONSTANTS_ROLE = "tg-const"
import telegram # We need this so that the `eval` below works
class TGConstXRefRole(PyXRefRole):
"""This is a bit of Sphinx magic. We add a new role type called tg-const that allows us to
reference values from the `telegram.constants.module` while using the actual value as title
of the link.
Example:
:tg-const:`telegram.constants.MessageLimit.TEXT_LENGTH` renders as `4096` but links to the
constant.
"""
def process_link(
self,
env: BuildEnvironment,
refnode: Element,
has_explicit_title: bool,
title: str,
target: str,
) -> Tuple[str, str]:
title, target = super().process_link(env, refnode, has_explicit_title, title, target)
try:
# We use `eval` to get the value of the expression. Maybe there are better ways to
# do this via importlib or so, but it does the job for now
value = eval(target)
# Maybe we need a better check if the target is actually from tg.constants
# for now checking if it's an Enum suffices since those are used nowhere else in PTB
if isinstance(value, Enum):
# Special casing for file size limits
if isinstance(value, telegram.constants.FileSizeLimit):
return f"{int(value.value / 1e6)} MB", target
return repr(value.value), target
# Just for (Bot API) versions number auto add in constants:
if isinstance(value, str) and target in (
"telegram.constants.BOT_API_VERSION",
"telegram.__version__",
):
return value, target
if isinstance(value, tuple) and target in (
"telegram.constants.BOT_API_VERSION_INFO",
"telegram.__version_info__",
):
return repr(value), target
sphinx_logger.warning(
f"%s:%d: WARNING: Did not convert reference %s. :{CONSTANTS_ROLE}: is not supposed"
" to be used with this type of target.",
refnode.source,
refnode.line,
refnode.rawsource,
)
return title, target
except Exception as exc:
sphinx_logger.exception(
f"%s:%d: WARNING: Did not convert reference %s due to an exception.",
refnode.source,
refnode.line,
refnode.rawsource,
exc_info=exc,
)
return title, target
def autodoc_skip_member(app, what, name, obj, skip, options):
"""We use this to not document certain members like filter() or check_update() for filters.
See https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html#skipping-members"""
included = {"MessageFilter", "UpdateFilter"} # filter() and check_update() only for these.
included_in_obj = any(inc in repr(obj) for inc in included)
if included_in_obj: # it's difficult to see if check_update is from an inherited-member or not
for frame in inspect.stack(): # From https://github.com/sphinx-doc/sphinx/issues/9533
if frame.function == "filter_members":
docobj = frame.frame.f_locals["self"].object
if not any(inc in str(docobj) for inc in included) and name == "check_update":
return True
break
if name == "filter" and obj.__module__ == "telegram.ext.filters":
if not included_in_obj:
return True # return True to exclude from docs.
# ------------------------------------------------------------------------------------------------
# This part is for getting the [source] links on the classes, methods etc link to the correct
# files & lines on github. Can be simplified once https://github.com/sphinx-doc/sphinx/issues/1556
# is closed
line_numbers = {}
file_root = Path(inspect.getsourcefile(telegram)).parent.parent.resolve()
import telegram.ext # Needed for checking if an object is a BaseFilter
def autodoc_process_docstring(app: Sphinx, what, name: str, obj: object, options, lines):
"""We misuse this autodoc hook to get the file names & line numbers because we have access
to the actual object here.
"""
# Ce can't properly handle ordinary attributes.
# In linkcode_resolve we'll resolve to the `__init__` or module instead
if what == "attribute":
return
# Special casing for properties
if hasattr(obj, "fget"):
obj = obj.fget
# Special casing for filters
if isinstance(obj, telegram.ext.filters.BaseFilter):
obj = obj.__class__
try:
source_lines, start_line = inspect.getsourcelines(obj)
end_line = start_line + len(source_lines)
file = Path(inspect.getsourcefile(obj)).relative_to(file_root)
line_numbers[name] = (file, start_line, end_line)
except Exception:
pass
# Since we don't document the `__init__`, we call this manually to have it available for
# attributes -- see the note above
if what == "class":
autodoc_process_docstring(app, "method", f"{name}.__init__", obj.__init__, options, lines)
def _git_branch() -> str:
"""Get's the current git sha if available or fall back to `master`"""
try:
output = subprocess.check_output( # skipcq: BAN-B607
["git", "describe", "--tags", "--always"], stderr=subprocess.STDOUT
)
return output.decode().strip()
except Exception as exc:
sphinx_logger.exception(
f"Failed to get a description of the current commit. Falling back to `master`.",
exc_info=exc,
)
return "master"
git_branch = _git_branch()
base_url = "https://github.com/python-telegram-bot/python-telegram-bot/blob/"
def linkcode_resolve(_, info):
"""See www.sphinx-doc.org/en/master/usage/extensions/linkcode.html"""
combined = ".".join((info["module"], info["fullname"]))
# special casing for ExtBot which is due to the special structure of extbot.rst
combined = combined.replace("ExtBot.ExtBot", "ExtBot")
line_info = line_numbers.get(combined)
if not line_info:
# Try the __init__
line_info = line_numbers.get(f"{combined.rsplit('.', 1)[0]}.__init__")
if not line_info:
# Try the class
line_info = line_numbers.get(f"{combined.rsplit('.', 1)[0]}")
if not line_info:
# Try the module
line_info = line_numbers.get(info["module"])
if not line_info:
return
file, start_line, end_line = line_info
return f"{base_url}{git_branch}/{file}#L{start_line}-L{end_line}"
# End of logic for the [source] links
# ------------------------------------------------------------------------------------------------
# Some base classes are implementation detail
# We want to instead show *their* base class
PRIVATE_BASE_CLASSES = {
"_ChatUserBaseFilter": "MessageFilter",
"_Dice": "MessageFilter",
"_BaseThumbedMedium": "TelegramObject",
"_BaseMedium": "TelegramObject",
"_CredentialsBase": "TelegramObject",
}
def autodoc_process_bases(app, name, obj, option, bases: list):
"""Here we fine tune how the base class's classes are displayed."""
for idx, base in enumerate(bases):
# let's use a string representation of the object
base = str(base)
# Special case because base classes are in std lib:
if "StringEnum" in base == "<enum 'StringEnum'>":
bases[idx] = ":class:`enum.Enum`"
bases.insert(0, ":class:`str`")
continue
# Drop generics (at least for now)
if base.endswith("]"):
base = base.split("[", maxsplit=1)[0]
bases[idx] = f":class:`{base}`"
# Now convert `telegram._message.Message` to `telegram.Message` etc
match = re.search(pattern=r"(telegram(\.ext|))\.[_\w\.]+", string=base)
if not match or "_utils" in base:
return
parts = match.group(0).split(".")
# Remove private paths
for index, part in enumerate(parts):
if part.startswith("_"):
parts = parts[:index] + parts[-1:]
break
# Replace private base classes with their respective parent
parts = [PRIVATE_BASE_CLASSES.get(part, part) for part in parts]
base = ".".join(parts)
bases[idx] = f":class:`{base}`"
def setup(app: Sphinx):
app.connect("autodoc-skip-member", autodoc_skip_member)
app.connect("autodoc-process-bases", autodoc_process_bases)
app.connect("autodoc-process-docstring", autodoc_process_docstring)
app.add_role_to_domain("py", CONSTANTS_ROLE, TGConstXRefRole())
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