def head_object(self, filename):
    common.validate_file_path(filename)
    blobkey = self._filename_to_blobkey(filename)
    info = _AE_GCSFileInfo_.get_by_key_name(blobkey)
    if info and info.finalized:
      metadata = common.get_metadata(info.options)
      filestat = common.CSFileStat(
          filename=info.filename,
          st_size=info.size,
          etag=info.etag,
          st_ctime=calendar.timegm(info.creation.utctimetuple()),
          content_type=info.content_type,
          metadata=metadata)
      return filestat
    return None
Create with no network.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/cloudstorage/cloudstorage_stub.py/CloudStorageStub.head_object--crossover with--dataset/ETHPy150Open F-Secure/see/see/context/resources/test/qemu_test.py/DomainCreateTest.test_create