def _SetPath(self, path):
old_path = self._path
if old_path and not gcs.IsGCSPath(old_path):
# We're done with the path, so store its size.
size = io_wrapper.Size(old_path)
logging.debug('Setting latest size of %s to %d', old_path, size)
self._finalized_sizes[old_path] = size
self._path = path
self._loader = self._loader_factory(path)
def _HasOOOWrite(self, path):
"""Returns whether the path has had an out-of-order write."""
# Check the sizes of each path before the current one.
size = io_wrapper.Size(path)
old_size = self._finalized_sizes.get(path, None)
if size != old_size:
if old_size is None:
logging.error('File %s created after file %s even though it\'s '
'lexicographically earlier', path, self._path)
else:
logging.error('File %s updated even though the current file is %s',
path, self._path)
return True
else:
return False
def _SetPath(self, path):
"""Sets the current path to watch for new events.
This also records the size of the old path, if any. If the size can't be
found, an error is logged.
Args:
path: The full path of the file to watch.
"""
old_path = self._path
if old_path and not gcs.IsGCSPath(old_path):
try:
# We're done with the path, so store its size.
size = io_wrapper.Size(old_path)
logging.debug('Setting latest size of %s to %d', old_path,
size)
self._finalized_sizes[old_path] = size
except errors.OpError as e:
logging.error('Unable to get size of %s: %s', old_path, e)
self._path = path
self._loader = self._loader_factory(path)
