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import importlib
import collections
import imp
from os import path
import sys
import unittest
PATH = None
EXT = None
FILENAME = None
NAME = '_testcapi'
_file_exts = [x[0] for x in imp.get_suffixes() if x[2] == imp.C_EXTENSION]
try:
for PATH in sys.path:
for EXT in _file_exts:
FILENAME = NAME + EXT
FILEPATH = path.join(PATH, FILENAME)
if path.exists(path.join(PATH, FILENAME)):
raise StopIteration
else:
PATH = EXT = FILENAME = FILEPATH = None
except StopIteration:
pass
del _file_exts
class PathHookTests(unittest.TestCase):
"""Test the path hook for extension modules."""
# XXX Should it only succeed for pre-existing directories?
# XXX Should it only work for directories containing an extension module?
def hook(self, entry):
return importlib.ExtensionFileImporter(entry)
def test_success(self):
# Path hook should handle a directory where a known extension module
# exists.
self.assert_(hasattr(self.hook(PATH), 'find_module'))
def test_main():
from test.support import run_unittest
run_unittest(PathHookTests)
if __name__ == '__main__':
test_main()
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