Added type hints where possible

ScoutSuite/providers/gcp/facade/cloudsql.py

@@ -6,19 +6,19 @@ class CloudSQLFacade(Facade):
     def __init__(self):
         super(CloudSQLFacade, self).__init__('sqladmin', 'v1beta4')
 
-    async def get_backups(self, project_id, instance_name):
+    async def get_backups(self, project_id: str, instance_name: str):
         cloudsql_client = self._get_client()
         backups_group = cloudsql_client.backupRuns()
         request = backups_group.list(project=project_id, instance=instance_name)
         return await GCPFacadeUtils.get_all('items', request, backups_group)
 
-    async def get_database_instances(self, project_id):
+    async def get_database_instances(self, project_id: str):
         cloudsql_client = self._get_client()
         instances_group = cloudsql_client.instances()
         request = instances_group.list(project=project_id)
         return await GCPFacadeUtils.get_all('items', request, instances_group)
 
-    async def get_users(self, project_id, instance_name):
+    async def get_users(self, project_id: str, instance_name: str):
         cloudsql_client = self._get_client()
         response = await run_concurrently(
                 lambda: cloudsql_client.users().list(project=project_id, instance=instance_name).execute()

ScoutSuite/providers/gcp/facade/facade.py

@@ -3,16 +3,16 @@
 from ScoutSuite.providers.gcp.facade.utils import GCPFacadeUtils
 
 class Facade:
-    def __init__(self, client_name, client_version):
+    def __init__(self, client_name: str, client_version: str):
         self._client_name = client_name
         self._client_version = client_version
         self._client = None
 
-    def _build_client(self):
+    def _build_client(self) -> discovery.Resource:
         return discovery.build(self._client_name, self._client_version, 
             cache_discovery=False, cache=MemoryCache())
 
     # Since the HTTP library used by the Google API Client library is not 
     # thread-safe, we need to create a new client for each request.
-    def _get_client(self):
+    def _get_client(self) -> discovery.Resource:
         return self._build_client()

ScoutSuite/providers/gcp/facade/gcp.py

@@ -1,4 +1,3 @@
-
 from ScoutSuite.providers.gcp.facade.facade import Facade
 from ScoutSuite.providers.gcp.facade.cloudsql import CloudSQLFacade
 from ScoutSuite.providers.gcp.facade.utils import GCPFacadeUtils