71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
import contextlib
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import functools
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import os.path
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import sys
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import traceback
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from typing import Generator
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import pre_commit.constants as C
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from pre_commit import output
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from pre_commit.store import Store
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from pre_commit.util import force_bytes
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class FatalError(RuntimeError):
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pass
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def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None:
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error_msg = f'{msg}: {type(exc).__name__}: '.encode() + force_bytes(exc)
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output.write_line_b(error_msg)
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storedir = Store().directory
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log_path = os.path.join(storedir, 'pre-commit.log')
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with contextlib.ExitStack() as ctx:
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if os.access(storedir, os.W_OK):
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output.write_line(f'Check the log at {log_path}')
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log = ctx.enter_context(open(log_path, 'wb'))
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else: # pragma: win32 no cover
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output.write_line(f'Failed to write to log at {log_path}')
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log = sys.stdout.buffer
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_log_line = functools.partial(output.write_line, stream=log)
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_log_line_b = functools.partial(output.write_line_b, stream=log)
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_log_line('### version information')
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_log_line()
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_log_line('```')
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_log_line(f'pre-commit version: {C.VERSION}')
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_log_line('sys.version:')
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for line in sys.version.splitlines():
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_log_line(f' {line}')
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_log_line(f'sys.executable: {sys.executable}')
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_log_line(f'os.name: {os.name}')
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_log_line(f'sys.platform: {sys.platform}')
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_log_line('```')
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_log_line()
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_log_line('### error information')
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_log_line()
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_log_line('```')
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_log_line_b(error_msg)
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_log_line('```')
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_log_line()
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_log_line('```')
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_log_line(formatted)
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_log_line('```')
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raise SystemExit(1)
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@contextlib.contextmanager
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def error_handler() -> Generator[None, None, None]:
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try:
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yield
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except (Exception, KeyboardInterrupt) as e:
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if isinstance(e, FatalError):
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msg = 'An error has occurred'
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elif isinstance(e, KeyboardInterrupt):
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msg = 'Interrupted (^C)'
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else:
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msg = 'An unexpected error has occurred'
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_log_and_exit(msg, e, traceback.format_exc())
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