FilesExpand file tree

 master

/

error_handler.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

64 lines (54 loc) · 1.89 KB

 master

/

error_handler.py

Top

File metadata and controls

• Code
• Blame

64 lines (54 loc) · 1.89 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

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.store import Store

from pre_commit.util import force_bytes

class FatalError(RuntimeError):

pass

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)

log_path = os.path.join(Store().directory, 'pre-commit.log')

output.write_line(f'Check the log at {log_path}')

with open(log_path, 'wb') as log:

_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)

_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())