Function compute_unified_diff

openspace/skill_engine/patch.py:903–918

Unified diff (git diff format) between two strings.

(
    original: str,
    updated: str,
    *,
    filename: str = SKILL_FILENAME,
    context: int = 3,
)

#  DIFF COMPUTATION & SNAPSHOT
def compute_unified_diff(
    original: str,
    updated: str,
    *,
    filename: str = SKILL_FILENAME,
    context: int = 3,
) -> str:
    """Unified diff (git diff format) between two strings."""
    diff_lines = difflib.unified_diff(
        original.splitlines(keepends=True),
        updated.splitlines(keepends=True),
        fromfile=f"a/{filename}",
        tofile=f"b/{filename}",
        n=context,
    )
    return "".join(diff_lines)

def compute_skill_diff(old_dir: Path, new_dir: Path) -> str:
    """Compare all files in two skill directories, return combined diff."""