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use custom exception type

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This commit is contained in:
meejah 2018-04-24 10:45:07 -06:00
parent 113f87a931
commit c445ac4c14
1 changed files with 14 additions and 5 deletions
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19
integration/util.py
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@ -199,6 +199,17 @@ def _create_node(reactor, request, temp_dir, introducer_furl, flog_gatherer, nam
return d
class UnwantedFilesException(Exception):
def __init__(self, waiting, unwanted):
super(self, Exception).__init__(
self,
u"While waiting for '{}', unwanted files appeared: {}".format(
waiting,
', '.join(unwanted),
)
)
def await_file_contents(path, contents, timeout=15, error_if=None):
"""
wait up to `timeout` seconds for the file at `path` to have the
@ -211,11 +222,9 @@ def await_file_contents(path, contents, timeout=15, error_if=None):
while time.time() - start_time < timeout:
print(" waiting for '{}'".format(path))
if error_if and any([exists(p) for p in error_if]):
raise Exception(
"While waiting for '{}', unwanted files appeared: {}".format(
path,
', '.join([p for p in error_if if exists(p)]),
)
raise UnwantedFilesException(
waiting=path,
unwanted=[p for p in error_if if exists(p)],
)
if exists(path):
try: