class_docstr: Fake for datastore transaction.
  
  See https://cloud.google.com/datastore/docs/concepts/transactions
  for details of how transactions work in Cloud Datastore.
class_docstr_tok: ["Fake","for","datastore","transaction",".","See","https",":","\/\/cloud.google.com\/datastore\/docs\/concepts\/transactions","for","details","of","how","transactions","work","in","Cloud","Datastore","."]
docstr: Gets entity from the datastore.
docstr_tok: ["Gets","entity","from","the","datastore","."]
code: def get(self, key):
      """Gets entity from the datastore."""
      assert isinstance(key, FakeDatastoreKey)
      self._check_transaction_started()
      self._read_keys.add(key)
      return copy.deepcopy(self._data_snapshot.get(key))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import copy
  from io import StringIO
  import six
label_desc: Use image node_id 8 for calling the FakeDatastoreClientTransaction obj's underlying member method code with example usage: obj.get(key) and returns: copy