old_contents: # Copyright 2017 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #  See the License for the specific language governing permissions and
  #  limitations under the License.
  
  """Google BigQuery implementation of the Database API Specification v2.0.
  
  This module implements the `Python Database API Specification v2.0 (DB-API)`_
  for Google BigQuery.
  
  .. _Python Database API Specification v2.0 (DB-API):
     https://www.python.org/dev/peps/pep-0249/
  
  .. warning::
     The ``dbapi`` module is **alpha**. The implementation is not complete. It
     might be changed in backward-incompatible ways and is not subject to any SLA
     or deprecation policy.
  """
  
  from google.cloud.bigquery.dbapi.connection import connect
  from google.cloud.bigquery.dbapi.connection import Connection
  from google.cloud.bigquery.dbapi.cursor import Cursor
  from google.cloud.bigquery.dbapi.exceptions import Warning
  from google.cloud.bigquery.dbapi.exceptions import Error
  from google.cloud.bigquery.dbapi.exceptions import InterfaceError
  from google.cloud.bigquery.dbapi.exceptions import DatabaseError
  from google.cloud.bigquery.dbapi.exceptions import DataError
  from google.cloud.bigquery.dbapi.exceptions import OperationalError
  from google.cloud.bigquery.dbapi.exceptions import IntegrityError
  from google.cloud.bigquery.dbapi.exceptions import InternalError
  from google.cloud.bigquery.dbapi.exceptions import ProgrammingError
  from google.cloud.bigquery.dbapi.exceptions import NotSupportedError
  from google.cloud.bigquery.dbapi.types import Binary
  from google.cloud.bigquery.dbapi.types import Date
  from google.cloud.bigquery.dbapi.types import DateFromTicks
  from google.cloud.bigquery.dbapi.types import Time
  from google.cloud.bigquery.dbapi.types import TimeFromTicks
  from google.cloud.bigquery.dbapi.types import Timestamp
  from google.cloud.bigquery.dbapi.types import TimestampFromTicks
  from google.cloud.bigquery.dbapi.types import BINARY
  from google.cloud.bigquery.dbapi.types import DATETIME
  from google.cloud.bigquery.dbapi.types import NUMBER
  from google.cloud.bigquery.dbapi.types import ROWID
  from google.cloud.bigquery.dbapi.types import STRING
  
  
  apilevel = '2.0'
  
  # Threads may share the module, but not connections.
  threadsafety = 1
  
  paramstyle = 'pyformat'
  
  __all__ = [
      'apilevel', 'threadsafety', 'paramstyle', 'connect', 'Connection',
      'Cursor', 'Warning', 'Error', 'InterfaceError', 'DatabaseError',
      'DataError', 'OperationalError', 'IntegrityError', 'InternalError',
      'ProgrammingError', 'NotSupportedError', 'Binary', 'Date', 'DateFromTicks',
      'Time', 'TimeFromTicks', 'Timestamp', 'TimestampFromTicks', 'BINARY',
      'DATETIME', 'NUMBER', 'ROWID', 'STRING',
  ]
  
new_contents: # Copyright 2017 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #  See the License for the specific language governing permissions and
  #  limitations under the License.
  
  """Google BigQuery implementation of the Database API Specification v2.0.
  
  This module implements the `Python Database API Specification v2.0 (DB-API)`_
  for Google BigQuery.
  
  .. _Python Database API Specification v2.0 (DB-API):
     https://www.python.org/dev/peps/pep-0249/
  
  .. warning::
     The ``dbapi`` module is **alpha**. The implementation is not complete. It
     might be changed in backward-incompatible ways and is not subject to any SLA
     or deprecation policy.
  """
  
  from google.cloud.bigquery.dbapi.connection import connect
  from google.cloud.bigquery.dbapi.connection import Connection
  from google.cloud.bigquery.dbapi.cursor import Cursor
  from google.cloud.bigquery.dbapi.exceptions import Warning
  from google.cloud.bigquery.dbapi.exceptions import Error
  from google.cloud.bigquery.dbapi.exceptions import InterfaceError
  from google.cloud.bigquery.dbapi.exceptions import DatabaseError
  from google.cloud.bigquery.dbapi.exceptions import DataError
  from google.cloud.bigquery.dbapi.exceptions import OperationalError
  from google.cloud.bigquery.dbapi.exceptions import IntegrityError
  from google.cloud.bigquery.dbapi.exceptions import InternalError
  from google.cloud.bigquery.dbapi.exceptions import ProgrammingError
  from google.cloud.bigquery.dbapi.exceptions import NotSupportedError
  from google.cloud.bigquery.dbapi.types import Binary
  from google.cloud.bigquery.dbapi.types import Date
  from google.cloud.bigquery.dbapi.types import DateFromTicks
  from google.cloud.bigquery.dbapi.types import Time
  from google.cloud.bigquery.dbapi.types import TimeFromTicks
  from google.cloud.bigquery.dbapi.types import Timestamp
  from google.cloud.bigquery.dbapi.types import TimestampFromTicks
  from google.cloud.bigquery.dbapi.types import BINARY
  from google.cloud.bigquery.dbapi.types import DATETIME
  from google.cloud.bigquery.dbapi.types import NUMBER
  from google.cloud.bigquery.dbapi.types import ROWID
  from google.cloud.bigquery.dbapi.types import STRING
  
  
  apilevel = '2.0'
  
  # Threads may share the module and connections, but not cursors.
  threadsafety = 2
  
  paramstyle = 'pyformat'
  
  __all__ = [
      'apilevel', 'threadsafety', 'paramstyle', 'connect', 'Connection',
      'Cursor', 'Warning', 'Error', 'InterfaceError', 'DatabaseError',
      'DataError', 'OperationalError', 'IntegrityError', 'InternalError',
      'ProgrammingError', 'NotSupportedError', 'Binary', 'Date', 'DateFromTicks',
      'Time', 'TimeFromTicks', 'Timestamp', 'TimestampFromTicks', 'BINARY',
      'DATETIME', 'NUMBER', 'ROWID', 'STRING',
  ]
  
subject: Increment BQ DB-API thread safety. (#3693)