ytdl-sub/tools/docgen/docgen.py

48 lines
1.4 KiB
Python

import os
from abc import abstractmethod
from pathlib import Path
REGENERATE_DOCS: bool = bool(os.environ.get("REGENERATE_DOCS", 0))
class DocGen:
"""
Home-made auto doc generation
"""
LOCATION: Path
# human-readable location of where to edit the underlying docstrings
DOCSTRING_LOCATION: str
@classmethod
def _generate_warning(cls) -> str:
return (
"..\n"
" WARNING: This RST file is generated from docstrings in:\n"
f" {cls.DOCSTRING_LOCATION}\n"
" In order to make a change to this file, edit the respective docstring\n"
" and run `make docs`. This will automatically sync the Python RST-based\n"
" docstrings into this file. If the docstrings and RST file are out of sync,\n"
" it will fail TestDocGen tests in GitHub CI.\n"
)
@classmethod
@abstractmethod
def generate(cls) -> str:
"""
Generate the docs as a single string
"""
@classmethod
def generate_and_maybe_write_to_file(cls) -> str:
"""
Maybe writes the docs to their file if the global is set to True, and returns
the generated docs
"""
contents = cls._generate_warning() + cls.generate()
if REGENERATE_DOCS:
with open(cls.LOCATION, "w", encoding="utf-8") as out:
out.write(contents)
return contents