X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/77b6ed1b70bd07f058bc551906bc880022847964..e5bb92f53c9ad736b4cade4738c8e6727f68a88c:/docs/conf.py diff --git a/docs/conf.py b/docs/conf.py index 9eff25a..3343087 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -12,38 +12,78 @@ # 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 ast from pathlib import Path import re -import shutil import string +from typing import Callable, List, Optional, Pattern, Tuple, Set +from dataclasses import dataclass +import os +import logging +from pkg_resources import get_distribution from recommonmark.parser import CommonMarkParser +logging.basicConfig(format="%(levelname)s: %(message)s", level=logging.INFO) -CURRENT_DIR = Path(__file__).parent +LOG = logging.getLogger(__name__) +# Get a relative path so logs printing out SRC isn't too long. +CURRENT_DIR = Path(__file__).parent.relative_to(os.getcwd()) +README = CURRENT_DIR / ".." / "README.md" +REFERENCE_DIR = CURRENT_DIR / "reference" +STATIC_DIR = CURRENT_DIR / "_static" -def get_version(): - black_py = CURRENT_DIR / ".." / "black.py" - _version_re = re.compile(r"__version__\s+=\s+(?P.*)") - with open(str(black_py), "r", encoding="utf8") as f: - version = _version_re.search(f.read()).group("version") - return str(ast.literal_eval(version)) +@dataclass +class SrcRange: + """Tracks which part of a file to get a section's content. -def make_pypi_svg(version): - template = CURRENT_DIR / "_static" / "pypi_template.svg" - target = CURRENT_DIR / "_static" / "pypi.svg" + Data: + start_line: The line where the section starts (i.e. its sub-header) (inclusive). + end_line: The line where the section ends (usually next sub-header) (exclusive). + """ + + start_line: int + end_line: int + + +@dataclass +class DocSection: + """Tracks information about a section of documentation. + + Data: + name: The section's name. This will used to detect duplicate sections. + src: The filepath to get its contents. + processors: The processors to run before writing the section to CURRENT_DIR. + out_filename: The filename to use when writing the section to CURRENT_DIR. + src_range: The line range of SRC to gets its contents. + """ + + name: str + src: Path + src_range: SrcRange = SrcRange(0, 1_000_000) + out_filename: str = "" + processors: Tuple[Callable, ...] = () + + def get_out_filename(self) -> str: + if not self.out_filename: + return self.name + ".md" + else: + return self.out_filename + + +def make_pypi_svg(version: str) -> None: + template: Path = CURRENT_DIR / "_static" / "pypi_template.svg" + target: Path = CURRENT_DIR / "_static" / "pypi.svg" with open(str(template), "r", encoding="utf8") as f: - svg = string.Template(f.read()).substitute(version=version) + svg: str = string.Template(f.read()).substitute(version=version) with open(str(target), "w", encoding="utf8") as f: f.write(svg) -def make_filename(line): - non_letters = re.compile(r"[^a-z]+") - filename = line[3:].rstrip().lower() +def make_filename(line: str) -> str: + non_letters: Pattern = re.compile(r"[^a-z]+") + filename: str = line[3:].rstrip().lower() filename = non_letters.sub("_", filename) if filename.startswith("_"): filename = filename[1:] @@ -52,36 +92,109 @@ def make_filename(line): return filename + ".md" -def generate_sections_from_readme(): - target_dir = CURRENT_DIR / "_build" / "generated" - readme = CURRENT_DIR / ".." / "README.md" - shutil.rmtree(str(target_dir), ignore_errors=True) - target_dir.mkdir(parents=True) - - output = None - target_dir = target_dir.relative_to(CURRENT_DIR) - with open(str(readme), "r", encoding="utf8") as f: - for line in f: +def get_contents(section: DocSection) -> str: + """Gets the contents for the DocSection.""" + contents: List[str] = [] + src: Path = section.src + start_line: int = section.src_range.start_line + end_line: int = section.src_range.end_line + with open(src, "r", encoding="utf-8") as f: + for lineno, line in enumerate(f, start=1): + if lineno >= start_line and lineno < end_line: + contents.append(line) + return "".join(contents) + + +def get_sections_from_readme() -> List[DocSection]: + """Gets the sections from README so they can be processed by process_sections. + + It opens README and goes down line by line looking for sub-header lines which + denotes a section. Once it finds a sub-header line, it will create a DocSection + object with all of the information currently available. Then on every line, it will + track the ending line index of the section. And it repeats this for every sub-header + line it finds. + """ + sections: List[DocSection] = [] + section: Optional[DocSection] = None + with open(README, "r", encoding="utf-8") as f: + for lineno, line in enumerate(f, start=1): if line.startswith("## "): - if output is not None: - output.close() filename = make_filename(line) - output_path = CURRENT_DIR / filename - if output_path.is_symlink() or output_path.is_file(): - output_path.unlink() - output_path.symlink_to(target_dir / filename) - output = open(str(output_path), "w", encoding="utf8") - output.write( - "[//]: # (NOTE: THIS FILE IS AUTOGENERATED FROM README.md)\n\n" + section_name = filename[:-3] + section = DocSection( + name=str(section_name), + src=README, + src_range=SrcRange(lineno, lineno), + out_filename=filename, + processors=(fix_headers,), ) - - if output is None: - continue - - if line.startswith("##"): - line = line[1:] - - output.write(line) + sections.append(section) + if section is not None: + section.src_range.end_line += 1 + return sections + + +def fix_headers(contents: str) -> str: + """Fixes the headers of sections copied from README. + + Removes one octothorpe (#) from all headers since the contents are no longer nested + in a root document (i.e. the README). + """ + lines: List[str] = contents.splitlines() + fixed_contents: List[str] = [] + for line in lines: + if line.startswith("##"): + line = line[1:] + fixed_contents.append(line + "\n") # splitlines strips the leading newlines + return "".join(fixed_contents) + + +def process_sections( + custom_sections: List[DocSection], readme_sections: List[DocSection] +) -> None: + """Reads, processes, and writes sections to CURRENT_DIR. + + For each section, the contents will be fetched, processed by processors + required by the section, and written to CURRENT_DIR. If it encounters duplicate + sections (i.e. shares the same name attribute), it will skip processing the + duplicates. + + It processes custom sections before the README generated sections so sections in the + README can be overwritten with custom options. + """ + processed_sections: Set[str] = set() + modified_files: Set[Path] = set() + sections: List[DocSection] = custom_sections + sections.extend(readme_sections) + for section in sections: + LOG.info(f"Processing '{section.name}' from {section.src}") + if section.name in processed_sections: + LOG.info( + f"Skipping '{section.name}' from '{section.src}' as it is a duplicate" + ) + continue + + target_path: Path = CURRENT_DIR / section.get_out_filename() + if target_path in modified_files: + LOG.warning( + f"{target_path} has been already written to, its contents will be" + " OVERWRITTEN and notices will be duplicated" + ) + contents: str = get_contents(section) + + # processors goes here + if fix_headers in section.processors: + contents = fix_headers(contents) + + with open(target_path, "w", encoding="utf-8") as f: + if section.src.suffix == ".md": + f.write( + "[//]: # (NOTE: THIS FILE WAS AUTOGENERATED FROM" + f" {section.src})\n\n" + ) + f.write(contents) + processed_sections.add(section.name) + modified_files.add(target_path) # -- Project information ----------------------------------------------------- @@ -91,14 +204,27 @@ copyright = "2018, Łukasz Langa and contributors to Black" author = "Łukasz Langa and contributors to Black" # Autopopulate version -# The full version, including alpha/beta/rc tags. -release = get_version() +# The version, including alpha/beta/rc tags, but not commit hash and datestamps +release = get_distribution("black").version.split("+")[0] # The short X.Y version. version = release for sp in "abcfr": version = version.split(sp)[0] + +custom_sections = [ + DocSection("the_black_code_style", CURRENT_DIR / "the_black_code_style.md",), + DocSection("pragmatism", CURRENT_DIR / "the_black_code_style.md",), + DocSection("editor_integration", CURRENT_DIR / "editor_integration.md"), + DocSection("blackd", CURRENT_DIR / "blackd.md"), + DocSection("black_primer", CURRENT_DIR / "black_primer.md"), + DocSection("contributing_to_black", CURRENT_DIR / ".." / "CONTRIBUTING.md"), + DocSection("change_log", CURRENT_DIR / ".." / "CHANGES.md"), +] + + make_pypi_svg(release) -generate_sections_from_readme() +readme_sections = get_sections_from_readme() +process_sections(custom_sections, readme_sections) # -- General configuration --------------------------------------------------- @@ -134,6 +260,7 @@ language = None # List of patterns, relative to source directory, that match files and # directories to ignore when looking for source files. # This pattern also affects html_static_path and html_extra_path . + exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"] # The name of the Pygments (syntax highlighting) style to use.