view tests/filtertraceback.py @ 44024:c1ccefb513e4

cleanup: drop redundant character escapes outside of `[]`

Flagged by PyCharm.  `@`, `:`, `<`, `>`, and `{` aren't special characters.
(I'm a bit surprised that it doesn't also want to unescape `}` in schemes.py.)

Differential Revision: https://phab.mercurial-scm.org/D7767

#!/usr/bin/env python

# Filters traceback lines from stdin.

from __future__ import absolute_import, print_function

import sys

state = 'none'

for line in sys.stdin:
    if state == 'none':
        if line.startswith('Traceback '):
            state = 'tb'

    elif state == 'tb':
        if line.startswith('  File '):
            state = 'file'
            continue

        elif not line.startswith(' '):
            state = 'none'

    elif state == 'file':
        # Ignore lines after "  File "
        state = 'tb'
        continue

    print(line, end='')