Files
pre-commit/pre_commit/error_handler.py
2014-08-13 11:02:28 -07:00

43 lines
1.1 KiB
Python

from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
import contextlib
import io
import os.path
import traceback
from pre_commit.errors import FatalError
from pre_commit.store import Store
# For testing purposes
class PreCommitSystemExit(SystemExit):
pass
def _log_and_exit(msg, exc, formatted, print_fn=print):
error_msg = '{0}: {1}: {2}'.format(msg, type(exc).__name__, exc)
print_fn(error_msg)
print_fn('Check the log at ~/.pre-commit/pre-commit.log')
store = Store()
store.require_created()
with io.open(os.path.join(store.directory, 'pre-commit.log'), 'w') as log:
log.write(error_msg + '\n')
log.write(formatted + '\n')
raise PreCommitSystemExit(1)
@contextlib.contextmanager
def error_handler():
try:
yield
except FatalError as e:
_log_and_exit('An error has occurred', e, traceback.format_exc())
except Exception as e:
_log_and_exit(
'An unexpected error has occurred',
e,
traceback.format_exc(),
)