Function update_pyproject_version

scripts/prepare_release.py:151–193

Update `[project].version` in pyproject.toml. Args: version: Release version to write. Returns: Path to the modified pyproject.toml file. Raises: ReleaseError: The project version field cannot be found or parsed.

(version: str)

def update_pyproject_version(version: str) -> Path:
    """Update `[project].version` in pyproject.toml.

    Args:
        version: Release version to write.

    Returns:
        Path to the modified pyproject.toml file.

    Raises:
        ReleaseError: The project version field cannot be found or parsed.
    """
    pyproject_path = REPO_ROOT / "pyproject.toml"
    lines = pyproject_path.read_text(encoding="utf-8").splitlines(keepends=True)
    in_project_section = False

    for index, line in enumerate(lines):
        stripped = line.strip()
        if stripped.startswith("[") and stripped.endswith("]"):
            in_project_section = stripped == "[project]"
            continue
        if not in_project_section:
            continue

        key, separator, _raw_value = stripped.partition("=")
        if key.strip() != "version":
            continue
        if not separator:
            raise ReleaseError("Unsupported pyproject.toml project.version format")

        match = re.match(
            r"^(\s*version\s*=\s*)([\"'])(.*?)(\2)(\s*(?:#.*)?)(\n?)$",
            line,
        )
        if not match:
            raise ReleaseError("Unsupported pyproject.toml project.version format")

        prefix, quote, _current, _closing_quote, suffix, newline = match.groups()
        lines[index] = f"{prefix}{quote}{version}{quote}{suffix}{newline}"
        pyproject_path.write_text("".join(lines), encoding="utf-8")
        return pyproject_path

    raise ReleaseError("Missing [project].version in pyproject.toml")


def update_package_version(version: str) -> Path: