python-telegram-bot/docs/auxil/link_code.py
2024-02-19 20:06:25 +01:00

77 lines
2.8 KiB
Python

#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2024
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
"""Functionality in this file is used for getting the [source] links on the classes, methods etc
to link to the correct files & lines on github. Can be simplified once
https://github.com/sphinx-doc/sphinx/issues/1556 is closed
"""
import subprocess
from sphinx.util import logging
# 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__)
# must be a module-level variable so that it can be written to by the `autodoc-process-docstring`
# event handler in `sphinx_hooks.py`
LINE_NUMBERS = {}
def _git_branch() -> str:
"""Get's the current git sha if available or fall back to `master`"""
try:
output = subprocess.check_output(
["git", "describe", "--tags", "--always"], stderr=subprocess.STDOUT
)
return output.decode().strip()
except Exception as exc:
sphinx_logger.exception(
"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}"