view tests/lockdelay.py @ 41534:47c92f8ed128

patch: properly escape \ in string literals

Python 3.8 will emit a SyntaxWarning for str/bytes with invalid
escapes. This commit addresses 4 occurrences where we had a bare
\ in a str/bytes.

Differential Revision: https://phab.mercurial-scm.org/D5818

# Dummy extension that adds a delay after acquiring a lock.
#
# This extension can be used to test race conditions between lock acquisition.

from __future__ import absolute_import

import os
import time

def reposetup(ui, repo):

    class delayedlockrepo(repo.__class__):
        def lock(self):
            delay = float(os.environ.get('HGPRELOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            res = super(delayedlockrepo, self).lock()
            delay = float(os.environ.get('HGPOSTLOCKDELAY', '0.0'))
            if delay:
                time.sleep(delay)
            return res
    repo.__class__ = delayedlockrepo