def stat(self):
"""Get status of a finalized file.
Returns:
a _FileStat object similar to that returned by python's os.stat(path).
Throws:
FinalizationError if file is not finalized.
"""
self._verify_read_mode()
request = file_service_pb.StatRequest()
response = file_service_pb.StatResponse()
request.set_filename(self._filename)
_make_call('Stat', request, response)
if response.stat_size() == 0:
raise ExistenceError("File %s not found." % self._filename)
if response.stat_size() > 1:
raise ValueError(
"Requested stat for one file. Got more than one response.")
file_stat_pb = response.stat(0)
file_stat = _FileStat()
file_stat.filename = file_stat_pb.filename()
file_stat.finalized = file_stat_pb.finalized()
file_stat.st_size = file_stat_pb.length()
file_stat.st_mtime = file_stat_pb.mtime()
file_stat.st_ctime = file_stat_pb.ctime()
return file_stat
def stat(filename):
"""Get status of a finalized file given it's full path filename.
Returns:
a _FileStat object similar to that returned by python's os.stat(path).
Throws:
FinalizationError if file is not finalized.
"""
if not filename:
raise InvalidArgumentError('Filename is empty')
if not isinstance(filename, basestring):
raise InvalidArgumentError('Filename should be a string')
request = file_service_pb.StatRequest()
response = file_service_pb.StatResponse()
request.set_filename(filename)
with open(filename, 'r'):
_make_call('Stat', request, response)
if response.stat_size() != 1:
raise ValueError(
"Requested stat for one file. Got zero or more than one responses")
file_stat_pb = response.stat(0)
file_stat = _FileStat()
file_stat.filename = file_stat_pb.filename()
file_stat.finalized = file_stat_pb.finalized()
file_stat.st_size = file_stat_pb.length()
return file_stat