fix: request and flattened params are exclusive, surface transport in…

… generated layer (#256)

- Restore path helper methods to generated clients.
- Enforce that 'request' argument to generated client methods is exclusive
  to flattened arguments.
- Surface 'transport' property for generated clients.

Closes #251
Closes #252

google/cloud/firestore_admin_v1/services/firestore_admin/async_client.py

@@ -54,14 +54,58 @@ class FirestoreAdminAsyncClient:
     DEFAULT_ENDPOINT = FirestoreAdminClient.DEFAULT_ENDPOINT
     DEFAULT_MTLS_ENDPOINT = FirestoreAdminClient.DEFAULT_MTLS_ENDPOINT
 
+    collection_group_path = staticmethod(FirestoreAdminClient.collection_group_path)
+    parse_collection_group_path = staticmethod(
+        FirestoreAdminClient.parse_collection_group_path
+    )
+    database_path = staticmethod(FirestoreAdminClient.database_path)
+    parse_database_path = staticmethod(FirestoreAdminClient.parse_database_path)
     field_path = staticmethod(FirestoreAdminClient.field_path)
     parse_field_path = staticmethod(FirestoreAdminClient.parse_field_path)
     index_path = staticmethod(FirestoreAdminClient.index_path)
     parse_index_path = staticmethod(FirestoreAdminClient.parse_index_path)
 
+    common_billing_account_path = staticmethod(
+        FirestoreAdminClient.common_billing_account_path
+    )
+    parse_common_billing_account_path = staticmethod(
+        FirestoreAdminClient.parse_common_billing_account_path
+    )
+
+    common_folder_path = staticmethod(FirestoreAdminClient.common_folder_path)
+    parse_common_folder_path = staticmethod(
+        FirestoreAdminClient.parse_common_folder_path
+    )
+
+    common_organization_path = staticmethod(
+        FirestoreAdminClient.common_organization_path
+    )
+    parse_common_organization_path = staticmethod(
+        FirestoreAdminClient.parse_common_organization_path
+    )
+
+    common_project_path = staticmethod(FirestoreAdminClient.common_project_path)
+    parse_common_project_path = staticmethod(
+        FirestoreAdminClient.parse_common_project_path
+    )
+
+    common_location_path = staticmethod(FirestoreAdminClient.common_location_path)
+    parse_common_location_path = staticmethod(
+        FirestoreAdminClient.parse_common_location_path
+    )
+
     from_service_account_file = FirestoreAdminClient.from_service_account_file
     from_service_account_json = from_service_account_file
 
+    @property
+    def transport(self) -> FirestoreAdminTransport:
+        """Return the transport used by the client instance.
+
+        Returns:
+            FirestoreAdminTransport: The transport used by the client instance.
+        """
+        return self._client.transport
+
     get_transport_class = functools.partial(
         type(FirestoreAdminClient).get_transport_class, type(FirestoreAdminClient)
     )
@@ -166,7 +210,8 @@ async def create_index(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([parent, index]):
+        has_flattened_params = any([parent, index])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -250,7 +295,8 @@ async def list_indexes(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([parent]):
+        has_flattened_params = any([parent])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -338,7 +384,8 @@ async def get_index(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([name]):
+        has_flattened_params = any([name])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -413,7 +460,8 @@ async def delete_index(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([name]):
+        has_flattened_params = any([name])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -496,7 +544,8 @@ async def get_field(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([name]):
+        has_flattened_params = any([name])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -598,7 +647,8 @@ async def update_field(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([field]):
+        has_flattened_params = any([field])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -689,7 +739,8 @@ async def list_fields(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([parent]):
+        has_flattened_params = any([parent])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -790,7 +841,8 @@ async def export_documents(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([name]):
+        has_flattened_params = any([name])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."
@@ -890,7 +942,8 @@ async def import_documents(
         # Create or coerce a protobuf request object.
         # Sanity check: If we got a request object, we should *not* have
         # gotten any keyword arguments that map to the request.
-        if request is not None and any([name]):
+        has_flattened_params = any([name])
+        if request is not None and has_flattened_params:
             raise ValueError(
                 "If the `request` argument is set, then none of "
                 "the individual field arguments should be set."

google/cloud/firestore_admin_v1/services/firestore_admin/client.py

@@ -140,6 +140,44 @@ def from_service_account_file(cls, filename: str, *args, **kwargs):
 
     from_service_account_json = from_service_account_file
 
+    @property
+    def transport(self) -> FirestoreAdminTransport:
+        """Return the transport used by the client instance.
+
+        Returns:
+            FirestoreAdminTransport: The transport used by the client instance.
+        """
+        return self._transport
+
+    @staticmethod
+    def collection_group_path(project: str, database: str, collection: str,) -> str:
+        """Return a fully-qualified collection_group string."""
+        return "projects/{project}/databases/{database}/collectionGroups/{collection}".format(
+            project=project, database=database, collection=collection,
+        )
+
+    @staticmethod
+    def parse_collection_group_path(path: str) -> Dict[str, str]:
+        """Parse a collection_group path into its component segments."""
+        m = re.match(
+            r"^projects/(?P<project>.+?)/databases/(?P<database>.+?)/collectionGroups/(?P<collection>.+?)$",
+            path,
+        )
+        return m.groupdict() if m else {}
+
+    @staticmethod
+    def database_path(project: str, database: str,) -> str:
+        """Return a fully-qualified database string."""
+        return "projects/{project}/databases/{database}".format(
+            project=project, database=database,
+        )
+
+    @staticmethod
+    def parse_database_path(path: str) -> Dict[str, str]:
+        """Parse a database path into its component segments."""
+        m = re.match(r"^projects/(?P<project>.+?)/databases/(?P<database>.+?)$", path)
+        return m.groupdict() if m else {}
+
     @staticmethod
     def field_path(project: str, database: str, collection: str, field: str,) -> str:
         """Return a fully-qualified field string."""
@@ -172,6 +210,65 @@ def parse_index_path(path: str) -> Dict[str, str]:
         )
         return m.groupdict() if m else {}
 
+    @staticmethod
+    def common_billing_account_path(billing_account: str,) -> str:
+        """Return a fully-qualified billing_account string."""
+        return "billingAccounts/{billing_account}".format(
+            billing_account=billing_account,
+        )
+
+    @staticmethod
+    def parse_common_billing_account_path(path: str) -> Dict[str, str]:
+        """Parse a billing_account path into its component segments."""
+        m = re.match(r"^billingAccounts/(?P<billing_account>.+?)$", path)
+        return m.groupdict() if m else {}
+
+    @staticmethod
+    def common_folder_path(folder: str,) -> str:
+        """Return a fully-qualified folder string."""
+        return "folders/{folder}".format(folder=folder,)
+
+    @staticmethod
+    def parse_common_folder_path(path: str) -> Dict[str, str]:
+        """Parse a folder path into its component segments."""
+        m = re.match(r"^folders/(?P<folder>.+?)$", path)
+        return m.groupdict() if m else {}
+
+    @staticmethod
+    def common_organization_path(organization: str,) -> str:
+        """Return a fully-qualified organization string."""
+        return "organizations/{organization}".format(organization=organization,)
+
+    @staticmethod
+    def parse_common_organization_path(path: str) -> Dict[str, str]:
+        """Parse a organization path into its component segments."""
+        m = re.match(r"^organizations/(?P<organization>.+?)$", path)
+        return m.groupdict() if m else {}
+
+    @staticmethod
+    def common_project_path(project: str,) -> str:
+        """Return a fully-qualified project string."""
+        return "projects/{project}".format(project=project,)
+
+    @staticmethod
+    def parse_common_project_path(path: str) -> Dict[str, str]:
+        """Parse a project path into its component segments."""
+        m = re.match(r"^projects/(?P<project>.+?)$", path)
+        return m.groupdict() if m else {}
+
+    @staticmethod
+    def common_location_path(project: str, location: str,) -> str:
+        """Return a fully-qualified location string."""
+        return "projects/{project}/locations/{location}".format(
+            project=project, location=location,
+        )
+
+    @staticmethod
+    def parse_common_location_path(path: str) -> Dict[str, str]:
+        """Parse a location path into its component segments."""
+        m = re.match(r"^projects/(?P<project>.+?)/locations/(?P<location>.+?)$", path)
+        return m.groupdict() if m else {}
+
     def __init__(
         self,
         *,
@@ -207,10 +304,10 @@ def __init__(
                 not provided, the default SSL client certificate will be used if
                 present. If GOOGLE_API_USE_CLIENT_CERTIFICATE is "false" or not
                 set, no client certificate will be used.
-            client_info (google.api_core.gapic_v1.client_info.ClientInfo):	
-                The client info used to send a user-agent string along with	
-                API requests. If ``None``, then default info will be used.	
-                Generally, you only need to set this if you're developing	
+            client_info (google.api_core.gapic_v1.client_info.ClientInfo):
+                The client info used to send a user-agent string along with
+                API requests. If ``None``, then default info will be used.
+                Generally, you only need to set this if you're developing
                 your own client library.
 
         Raises:

google/cloud/firestore_admin_v1/services/firestore_admin/transports/grpc.py

@@ -95,10 +95,10 @@ def __init__(
                 for grpc channel. It is ignored if ``channel`` is provided.
             quota_project_id (Optional[str]): An optional project to use for billing
                 and quota.
-            client_info (google.api_core.gapic_v1.client_info.ClientInfo):	
-                The client info used to send a user-agent string along with	
-                API requests. If ``None``, then default info will be used.	
-                Generally, you only need to set this if you're developing	
+            client_info (google.api_core.gapic_v1.client_info.ClientInfo):
+                The client info used to send a user-agent string along with
+                API requests. If ``None``, then default info will be used.
+                Generally, you only need to set this if you're developing
                 your own client library.
 
         Raises:
@@ -107,13 +107,16 @@ def __init__(
           google.api_core.exceptions.DuplicateCredentialArgs: If both ``credentials``
               and ``credentials_file`` are passed.
         """
+        self._ssl_channel_credentials = ssl_channel_credentials
+
         if channel:
             # Sanity check: Ensure that channel and credentials are not both
             # provided.
             credentials = False
 
             # If a channel was explicitly provided, set it.
             self._grpc_channel = channel
+            self._ssl_channel_credentials = None
         elif api_mtls_endpoint:
             warnings.warn(
                 "api_mtls_endpoint and client_cert_source are deprecated",
@@ -150,6 +153,7 @@ def __init__(
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
             )
+            self._ssl_channel_credentials = ssl_credentials
         else:
             host = host if ":" in host else host + ":443"
 
@@ -227,12 +231,8 @@ def create_channel(
 
     @property
     def grpc_channel(self) -> grpc.Channel:
-        """Create the channel designed to connect to this service.
-
-        This property caches on the instance; repeated calls return
-        the same channel.
+        """Return the channel designed to connect to this service.
         """
-        # Return the channel from cache.
         return self._grpc_channel
 
     @property

google/cloud/firestore_admin_v1/services/firestore_admin/transports/grpc_asyncio.py

@@ -152,13 +152,16 @@ def __init__(
           google.api_core.exceptions.DuplicateCredentialArgs: If both ``credentials``
               and ``credentials_file`` are passed.
         """
+        self._ssl_channel_credentials = ssl_channel_credentials
+
         if channel:
             # Sanity check: Ensure that channel and credentials are not both
             # provided.
             credentials = False
 
             # If a channel was explicitly provided, set it.
             self._grpc_channel = channel
+            self._ssl_channel_credentials = None
         elif api_mtls_endpoint:
             warnings.warn(
                 "api_mtls_endpoint and client_cert_source are deprecated",
@@ -195,6 +198,7 @@ def __init__(
                 scopes=scopes or self.AUTH_SCOPES,
                 quota_project_id=quota_project_id,
             )
+            self._ssl_channel_credentials = ssl_credentials
         else:
             host = host if ":" in host else host + ":443"