-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:]
- if filename.endswith("_"):
- filename = filename[:-1]
- return filename + ".md"
-
-
-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)
- result = "".join(contents)
- # Let's make Prettier happy with the amount of trailing newlines in the sections.
- if result.endswith("\n\n"):
- result = result[:-1]
- if not result.endswith("\n"):
- result = result + "\n"
- return result
-
-
-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("## "):
- filename = make_filename(line)
- section_name = filename[:-3]
- section = DocSection(
- name=str(section_name),
- src=README,
- src_range=SrcRange(lineno, lineno),
- out_filename=filename,
- processors=(fix_headers,),
- )
- 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: Dict[str, DocSection] = {}
- modified_files: Set[Path] = set()
- sections: List[DocSection] = custom_sections
- sections.extend(readme_sections)
- for section in sections:
- if section.name in processed_sections:
- LOG.warning(
- f"Skipping '{section.name}' from '{section.src}' as it is a duplicate"
- f" of a custom section from '{processed_sections[section.name].src}'"
- )
- continue
-
- LOG.info(f"Processing '{section.name}' from '{section.src}'")
- 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" and section.src != target_path:
- rel = section.src.resolve().relative_to(CURRENT_DIR.parent)
- f.write(f'[//]: # "NOTE: THIS FILE WAS AUTOGENERATED FROM {rel}"\n\n')
- f.write(contents)
- processed_sections[section.name] = section
- modified_files.add(target_path)
-