def _find_worker(relative, follow, done, work, results, errors):
"""Worker thread for collecting stat() results.
:param str relative: directory to make results relative to
:param bool follow: if symlinks should be followed
:param threading.Event done: event indicating that all work has been done
:param queue.Queue work: queue of paths to process
:param dict results: shared dictionary for storing all the stat() results
:param dict errors: shared dictionary for storing any per path errors
"""
while not done.is_set():
try:
entry, parents = work.get(block=False)
except queue.Empty:
continue
if relative:
path = os.path.relpath(entry, relative)
else:
path = entry
try:
if follow:
st = os.stat(entry)
else:
st = os.lstat(entry)
if (st.st_dev, st.st_ino) in parents:
errors[path] = exceptions.FindError('Sym/hardlink loop found.')
continue
parents = parents + [(st.st_dev, st.st_ino)]
if stat.S_ISDIR(st.st_mode):
for e in os.listdir(entry):
work.put((os.path.join(entry, e), parents))
elif stat.S_ISREG(st.st_mode):
results[path] = st
elif stat.S_ISLNK(st.st_mode):
errors[path] = exceptions.FindError('Not following symlinks.')
else:
errors[path] = exceptions.FindError('Not a file or directory.')
except OSError as e:
errors[path] = exceptions.FindError(
encoding.locale_decode(e.strerror), e.errno)
finally:
work.task_done()
def test_find_error_can_store_an_errno(self):
exc = exceptions.FindError('msg', errno=1234)
self.assertEqual(exc.message, 'msg')
self.assertEqual(exc.errno, 1234)