| | import contextlib |
| | import functools |
| | import os.path |
| | import sys |
| | import traceback |
| | from typing import Generator |
| |
|
| | import pre_commit.constants as C |
| | from pre_commit import output |
| | from pre_commit.errors import FatalError |
| | from pre_commit.store import Store |
| | from pre_commit.util import force_bytes |
| |
|
| |
|
| | def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None: |
| | error_msg = f'{msg}: {type(exc).__name__}: '.encode() + force_bytes(exc) |
| | output.write_line_b(error_msg) |
| |
|
| | storedir = Store().directory |
| | log_path = os.path.join(storedir, 'pre-commit.log') |
| | with contextlib.ExitStack() as ctx: |
| | if os.access(storedir, os.W_OK): |
| | output.write_line(f'Check the log at {log_path}') |
| | log = ctx.enter_context(open(log_path, 'wb')) |
| | else: |
| | output.write_line(f'Failed to write to log at {log_path}') |
| | log = sys.stdout.buffer |
| |
|
| | _log_line = functools.partial(output.write_line, stream=log) |
| | _log_line_b = functools.partial(output.write_line_b, stream=log) |
| |
|
| | _log_line('### version information') |
| | _log_line() |
| | _log_line('```') |
| | _log_line(f'pre-commit version: {C.VERSION}') |
| | _log_line('sys.version:') |
| | for line in sys.version.splitlines(): |
| | _log_line(f' {line}') |
| | _log_line(f'sys.executable: {sys.executable}') |
| | _log_line(f'os.name: {os.name}') |
| | _log_line(f'sys.platform: {sys.platform}') |
| | _log_line('```') |
| | _log_line() |
| |
|
| | _log_line('### error information') |
| | _log_line() |
| | _log_line('```') |
| | _log_line_b(error_msg) |
| | _log_line('```') |
| | _log_line() |
| | _log_line('```') |
| | _log_line(formatted.rstrip()) |
| | _log_line('```') |
| | raise SystemExit(1) |
| |
|
| |
|
| | @contextlib.contextmanager |
| | def error_handler() -> Generator[None, None, None]: |
| | try: |
| | yield |
| | except (Exception, KeyboardInterrupt) as e: |
| | if isinstance(e, FatalError): |
| | msg = 'An error has occurred' |
| | elif isinstance(e, KeyboardInterrupt): |
| | msg = 'Interrupted (^C)' |
| | else: |
| | msg = 'An unexpected error has occurred' |
| | _log_and_exit(msg, e, traceback.format_exc()) |
| |
|
