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testing: add a utility function to wait for file create...
testing: add a utility function to wait for file create This is similar to `tests/testlib/wait-on-file`, but for the python code Differential Revision: https://phab.mercurial-scm.org/D10476

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r47746:99c62910 default
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__init__.py
30 lines | 779 B | text/x-python | PythonLexer
testing: add a utility function to wait for file create...
r47746 from __future__ import (
absolute_import,
division,
)
import os
import time
# work around check-code complains
#
# This is a simple log level module doing simple test related work, we can't
# import more things, and we do not need it.
environ = getattr(os, 'environ')
def _timeout_factor():
"""return the current modification to timeout"""
default = int(environ.get('HGTEST_TIMEOUT_DEFAULT', 1))
current = int(environ.get('HGTEST_TIMEOUT', default))
return current / float(default)
def wait_file(path, timeout=10):
timeout *= _timeout_factor()
start = time.time()
while not os.path.exists(path):
if time.time() - start > timeout:
raise RuntimeError(b"timed out waiting for file: %s" % path)
time.sleep(0.01)