mechanical-refactor-verify

1import subprocess2import sys3from pathlib import Path4 5import pytest6 7sys.path.insert(0, str(Path(__file__).resolve().parents[2]))8 9import mechanical_refactor_reproduction_utils as rr10from mechanical_refactor_reproduction_utils import (11    Repro,12    _def_span,13    _find_class,14    _find_def,15    _replace_span,16    _slice_span,17    dedent,18    exec_command,19    git_add_and_commit,20    verify_mechanical_refactor,21)22 23 24def _apply(repro: Repro, root: Path) -> None:25    """Run a built Repro's recorded operations against a plain directory (no git)."""26    for op in repro.ops:27        op(root)28 29 30def _git(repo: Path, *args: str) -> str:31    return subprocess.run(32        ["git", *args], cwd=repo, check=True, capture_output=True, text=True33    ).stdout.strip()34 35 36def _write(repo: Path, **files: str | None) -> None:37    for name, content in files.items():38        path = repo / name.replace("__", "/")39        if content is None:40            path.unlink()41        else:42            path.parent.mkdir(parents=True, exist_ok=True)43            path.write_text(content)44 45 46def _commit(repo: Path, message: str) -> str:47    _git(repo, "add", "-A")48    _git(repo, "commit", "-q", "-m", message)49    return _git(repo, "rev-parse", "HEAD")50