Yandex: Handling an access rights error

Author: unix-based

fcloud/drivers/yandex/errors.py

@@ -1,3 +1,5 @@
+from textwrap import dedent
+
 from ...exceptions.exceptions import DriverException
 from ...exceptions.driver_errors import DriverError
 
@@ -23,6 +25,14 @@ class YandexError(DriverError):
         """The token has expired or the token doesn't exist.""",
     )
 
+    access_denied = (
+        "Access denied",
+        dedent("""\
+        Access denied. The application probably does not have sufficient 
+        permissions to perform this action. You can change the application 
+        settings on this page: https://oauth.yandex.ru/."""),
+    )
+
 
 class YandexException(DriverException):
     pass

fcloud/drivers/yandex/yandex.py

@@ -9,6 +9,7 @@
 from yadisk.exceptions import RequestTimeoutError
 from yadisk.exceptions import PathNotFoundError
 from yadisk.exceptions import UnauthorizedError
+from yadisk.exceptions import ForbiddenError
 
 from .errors import YandexException
 from .errors import YandexError
@@ -40,6 +41,8 @@ def inner(*args, **kwargs):
             raise YandexException(*YandexError.path_not_found_error)
         except UnauthorizedError:
             raise YandexException(*YandexError.invalid_token_error)
+        except ForbiddenError:
+            raise YandexException(*YandexError.access_denied)
         except FileNotFoundError:
             raise YandexException(*FileError.not_exists_error)
         except PermissionError: