auth: add client_json

Author: efiop

pydrive2/auth.py

@@ -1,3 +1,4 @@
+import json
 import webbrowser
 import httplib2
 import oauth2client.clientsecrets as clientsecrets
@@ -310,6 +311,12 @@ def ServiceAuth(self):
         scopes = scopes_to_string(self.settings["oauth_scope"])
         keyfile_name = self.client_config.get("client_json_file_path")
         keyfile_dict = self.client_config.get("client_json_dict")
+        keyfile_json = self.client_config.get("client_json")
+
+        if not keyfile_dict and keyfile_json:
+            # Compensating for missing ServiceAccountCredentials.from_json_keyfile
+            keyfile_dict = json.loads(keyfile_json)
+
         if keyfile_dict:
             self.credentials = (
                 ServiceAccountCredentials.from_json_keyfile_dict(

pydrive2/settings.py

@@ -82,6 +82,7 @@
                 "required": False,
                 "struct": {},
             },
+            "client_json": {"type": str, "required": False},
         },
     },
     "oauth_scope": {