Function parse_diff_ranges

code_review_graph/changes.py:113–133

Auto-detect VCS and return changed line ranges per file. Dispatches to :func:`parse_git_diff_ranges` for Git repositories and :func:`parse_svn_diff_ranges` for SVN working copies. Args: repo_root: Absolute path to the repository/working-copy root. base: For Git: the ref

(
    repo_root: str,
    base: str = "HEAD~1",
)

def parse_diff_ranges(
    repo_root: str,
    base: str = "HEAD~1",
) -> dict[str, list[tuple[int, int]]]:
    """Auto-detect VCS and return changed line ranges per file.

    Dispatches to :func:`parse_git_diff_ranges` for Git repositories and
    :func:`parse_svn_diff_ranges` for SVN working copies.

    Args:
        repo_root: Absolute path to the repository/working-copy root.
        base: For Git: the ref to diff against (default ``HEAD~1``).
              For SVN: an optional revision range (e.g. ``"r100:HEAD"``);
              when *base* is not a valid SVN revision, working-copy changes
              (``svn diff``) are used instead.
    """
    root_path = Path(repo_root)
    if (root_path / ".svn").exists():
        rev_range = base if _SAFE_SVN_REV.match(base) else None
        return parse_svn_diff_ranges(repo_root, rev_range)
    return parse_git_diff_ranges(repo_root, base)


def _parse_unified_diff(diff_text: str) -> dict[str, list[tuple[int, int]]]: