Revert apache#27878 (apache#27968)

* Merge in master

* Remove changes.md callout

CHANGES.md

@@ -59,7 +59,6 @@
 
 ## I/Os
 
-* Python GCSIO is now implemented with GCP GCS Client instead of apitools ([#25676](https://github.com/apache/beam/issues/25676))
 * Java KafkaIO now supports picking up topics via topicPattern ([#26948](https://github.com/apache/beam/pull/26948))
 * Support for read from Cosmos DB Core SQL API ([#23604](https://github.com/apache/beam/issues/23604))
 * Upgraded to HBase 2.5.5 for HBaseIO. (Java) ([#27711](https://github.com/apache/beam/issues/19554))

playground/frontend/playground_components/assets/symbols/python.g.yaml

@@ -4790,6 +4790,10 @@ GBKTransform:
   - from_runner_api_parameter
   - to_runner_api_parameter
 GcpTestIOError: {}
+GcsDownloader:
+  methods:
+  - get_range
+  - size
 GCSFileSystem:
   methods:
   - checksum
@@ -4833,6 +4837,10 @@ GcsIOError: {}
 GcsIOOverrides:
   methods:
   - retry_func
+GcsUploader:
+  methods:
+  - finish
+  - put
 GeneralPurposeConsumerSet:
   methods:
   - flush

sdks/python/apache_beam/examples/complete/game/user_score.py

@@ -177,7 +177,6 @@ def format_user_score_sums(user_score):
       (user, score) = user_score
       return 'user: %s, total_score: %s' % (user, score)
 
-
     (  # pylint: disable=expression-not-assigned
         p
         | 'ReadInputText' >> beam.io.ReadFromText(args.input)

sdks/python/apache_beam/internal/gcp/auth.py

@@ -111,9 +111,6 @@ def __getattr__(self, attr):
       """Delegate attribute access to underlying google-auth credentials."""
       return getattr(self._google_auth_credentials, attr)
 
-    def get_google_auth_credentials(self):
-      return self._google_auth_credentials
-
 
 class _Credentials(object):
   _credentials_lock = threading.Lock()
@@ -122,7 +119,7 @@ class _Credentials(object):
 
   @classmethod
   def get_service_credentials(cls, pipeline_options):
-    # type: (PipelineOptions) -> Optional[_ApitoolsCredentialsAdapter]
+    # type: (PipelineOptions) -> Optional[google.auth.credentials.Credentials]
     with cls._credentials_lock:
       if cls._credentials_init:
         return cls._credentials
@@ -142,7 +139,7 @@ def get_service_credentials(cls, pipeline_options):
 
   @staticmethod
   def _get_service_credentials(pipeline_options):
-    # type: (PipelineOptions) -> Optional[_ApitoolsCredentialsAdapter]
+    # type: (PipelineOptions) -> Optional[google.auth.credentials.Credentials]
     if not _GOOGLE_AUTH_AVAILABLE:
       _LOGGER.warning(
           'Unable to find default credentials because the google-auth library '

sdks/python/apache_beam/io/gcp/bigquery_test.py

@@ -827,7 +827,6 @@ def test_streaming_inserts_flush_on_byte_size_limit(self, mock_insert):
           exception_type=exceptions.ServiceUnavailable if exceptions else None,
           error_message='backendError')
   ])
-  @unittest.skip('Not compatible with new GCS client. See GH issue #26334.')
   def test_load_job_exception(self, exception_type, error_message):
 
     with mock.patch.object(bigquery_v2_client.BigqueryV2.JobsService,
@@ -867,7 +866,6 @@ def test_load_job_exception(self, exception_type, error_message):
           exception_type=exceptions.InternalServerError if exceptions else None,
           error_message='internalError'),
   ])
-  @unittest.skip('Not compatible with new GCS client. See GH issue #26334.')
   def test_copy_load_job_exception(self, exception_type, error_message):
 
     from apache_beam.io.gcp import bigquery_file_loads
@@ -886,7 +884,7 @@ def test_copy_load_job_exception(self, exception_type, error_message):
       mock.patch.object(BigQueryWrapper,
                         'wait_for_bq_job'), \
       mock.patch('apache_beam.io.gcp.internal.clients'
-        '.storage.storage_v1_client.StorageV1.ObjectsService'),\
+        '.storage.storage_v1_client.StorageV1.ObjectsService'), \
       mock.patch('time.sleep'), \
       self.assertRaises(Exception) as exc, \
       beam.Pipeline() as p:

sdks/python/apache_beam/io/gcp/bigquery_tools.py

@@ -339,9 +339,6 @@ class BigQueryWrapper(object):
   offer a common place where retry logic for failures can be controlled.
   In addition, it offers various functions used both in sources and sinks
   (e.g., find and create tables, query a table, etc.).
-
-  Note that client parameter in constructor is only for testing purposes and
-  should not be used in production code.
   """
 
   # If updating following names, also update the corresponding pydocs in
@@ -356,7 +353,6 @@ def __init__(self, client=None, temp_dataset_id=None, temp_table_ref=None):
     self.gcp_bq_client = client or gcp_bigquery.Client(
         client_info=ClientInfo(
             user_agent="apache-beam-%s" % apache_beam.__version__))
-
     self._unique_row_id = 0
     # For testing scenarios where we pass in a client we do not want a
     # randomized prefix for row IDs.

sdks/python/apache_beam/io/gcp/bigquery_tools_test.py

@@ -60,6 +60,7 @@
   from apitools.base.py.exceptions import HttpError, HttpForbiddenError
   from google.api_core.exceptions import ClientError, DeadlineExceeded
   from google.api_core.exceptions import InternalServerError
+  import google.cloud
 except ImportError:
   ClientError = None
   DeadlineExceeded = None
@@ -223,6 +224,23 @@ def test_delete_dataset_retries_for_timeouts(self, patched_time_sleep):
     wrapper._delete_dataset('', '')
     self.assertTrue(client.datasets.Delete.called)
 
+  @unittest.skipIf(
+      google and not hasattr(google.cloud, '_http'),  # pylint: disable=c-extension-no-member
+      'Dependencies not installed')
+  @mock.patch('time.sleep', return_value=None)
+  @mock.patch('google.cloud._http.JSONConnection.http')
+  def test_user_agent_insert_all(self, http_mock, patched_sleep):
+    wrapper = beam.io.gcp.bigquery_tools.BigQueryWrapper()
+    try:
+      wrapper._insert_all_rows('p', 'd', 't', [{'name': 'any'}], None)
+    except:  # pylint: disable=bare-except
+      # Ignore errors. The errors come from the fact that we did not mock
+      # the response from the API, so the overall insert_all_rows call fails
+      # soon after the BQ API is called.
+      pass
+    call = http_mock.request.mock_calls[-2]
+    self.assertIn('apache-beam-', call[2]['headers']['User-Agent'])
+
   @mock.patch('time.sleep', return_value=None)
   def test_delete_table_retries_for_timeouts(self, patched_time_sleep):
     client = mock.Mock()

sdks/python/apache_beam/io/gcp/gcsfilesystem.py

@@ -254,13 +254,24 @@ def rename(self, source_file_names, destination_file_names):
       gcs_batches.append(gcs_current_batch)
 
     # Execute GCS renames if any and return exceptions.
-    try:
-      for batch in gcs_batches:
-        self._gcsIO().copy_batch(batch)
-        self._gcsIO().delete_batch(source_file_names)
+    exceptions = {}
+    for batch in gcs_batches:
+      copy_statuses = self._gcsIO().copy_batch(batch)
+      copy_succeeded = []
+      for src, dest, exception in copy_statuses:
+        if exception:
+          exceptions[(src, dest)] = exception
+        else:
+          copy_succeeded.append((src, dest))
+      delete_batch = [src for src, dest in copy_succeeded]
+      delete_statuses = self._gcsIO().delete_batch(delete_batch)
+      for i, (src, exception) in enumerate(delete_statuses):
+        dest = copy_succeeded[i][1]
+        if exception:
+          exceptions[(src, dest)] = exception
 
-    except Exception as exception:
-      raise BeamIOError("Rename operation failed", exception)
+    if exceptions:
+      raise BeamIOError("Rename operation failed", exceptions)
 
   def exists(self, path):
     """Check if the provided path exists on the FileSystem.
@@ -329,7 +340,8 @@ def metadata(self, path):
     """
     try:
       file_metadata = self._gcsIO()._status(path)
-      return FileMetadata(path, file_metadata['size'], file_metadata['updated'])
+      return FileMetadata(
+          path, file_metadata['size'], file_metadata['last_updated'])
     except Exception as e:  # pylint: disable=broad-except
       raise BeamIOError("Metadata operation failed", {path: e})
 
@@ -348,7 +360,12 @@ def _delete_path(path):
       else:
         path_to_use = path
       match_result = self.match([path_to_use])[0]
-      self._gcsIO().delete_batch([m.path for m in match_result.metadata_list])
+      statuses = self._gcsIO().delete_batch(
+          [m.path for m in match_result.metadata_list])
+      # pylint: disable=used-before-assignment
+      failures = [e for (_, e) in statuses if e is not None]
+      if failures:
+        raise failures[0]
 
     exceptions = {}
     for path in paths:

sdks/python/apache_beam/io/gcp/gcsfilesystem_test.py

@@ -272,16 +272,25 @@ def test_rename_error(self, mock_gcsio):
         'gs://bucket/to2',
         'gs://bucket/to3',
     ]
-    gcsio_mock.delete_batch.side_effect = Exception("BadThings")
+    exception = IOError('Failed')
+    gcsio_mock.delete_batch.side_effect = [[(f, exception) for f in sources]]
     gcsio_mock.copy_batch.side_effect = [[
         ('gs://bucket/from1', 'gs://bucket/to1', None),
         ('gs://bucket/from2', 'gs://bucket/to2', None),
         ('gs://bucket/from3', 'gs://bucket/to3', None),
     ]]
 
     # Issue batch rename.
-    with self.assertRaisesRegex(BeamIOError, r'^Rename operation failed'):
+    expected_results = {
+        (s, d): exception
+        for s, d in zip(sources, destinations)
+    }
+
+    # Issue batch rename.
+    with self.assertRaisesRegex(BeamIOError,
+                                r'^Rename operation failed') as error:
       self.fs.rename(sources, destinations)
+    self.assertEqual(error.exception.exception_details, expected_results)
 
     gcsio_mock.copy_batch.assert_called_once_with([
         ('gs://bucket/from1', 'gs://bucket/to1'),
@@ -299,7 +308,7 @@ def test_delete(self, mock_gcsio):
     # Prepare mocks.
     gcsio_mock = mock.MagicMock()
     gcsfilesystem.gcsio.GcsIO = lambda pipeline_options=None: gcsio_mock
-    gcsio_mock._status.return_value = {'size': 0, 'updated': 99999.0}
+    gcsio_mock._status.return_value = {'size': 0, 'last_updated': 99999.0}
     files = [
         'gs://bucket/from1',
         'gs://bucket/from2',
@@ -317,7 +326,7 @@ def test_delete_error(self, mock_gcsio):
     gcsfilesystem.gcsio.GcsIO = lambda pipeline_options=None: gcsio_mock
     exception = IOError('Failed')
     gcsio_mock.delete_batch.side_effect = exception
-    gcsio_mock._status.return_value = {'size': 0, 'updated': 99999.0}
+    gcsio_mock._status.return_value = {'size': 0, 'last_updated': 99999.0}
     files = [
         'gs://bucket/from1',
         'gs://bucket/from2',