view tests/filtertraceback.py @ 42329:c7652f7440d9

rust-filepatterns: call new Rust implementations from Python

This change adds the import to the `rust-cpython` bindings and uses
them when appropriate.

A wrapper function has been defined in the case of `_regex` to
keep this patch simple.

Differential Revision: https://phab.mercurial-scm.org/D6273

#!/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='')