auth: use our own simpler hybrid property.

- we shouldn't relly on sqlalchemy internal method, it has a different purpose.

rhodecode/authentication/base.py

@@ -28,9 +28,9 b' import logging'
 import time
 import traceback
 import warnings
+import functools
 
 from pyramid.threadlocal import get_current_registry
-from sqlalchemy.ext.hybrid import hybrid_property
 
 from rhodecode.authentication.interface import IAuthnPluginRegistry
 from rhodecode.authentication.schema import AuthnPluginSettingsSchemaBase
@@ -52,6 +52,31 b" VCS_TYPE = 'vcs'"
 HTTP_TYPE = 'http'
 
 
+class hybrid_property(object):
+    """
+    a property decorator that works both for instance and class
+    """
+    def __init__(self, fget, fset=None, fdel=None, expr=None):
+        self.fget = fget
+        self.fset = fset
+        self.fdel = fdel
+        self.expr = expr or fget
+        functools.update_wrapper(self, fget)
+
+    def __get__(self, instance, owner):
+        if instance is None:
+            return self.expr(owner)
+        else:
+            return self.fget(instance)
+
+    def __set__(self, instance, value):
+        self.fset(instance, value)
+
+    def __delete__(self, instance):
+        self.fdel(instance)
+
+
+
 class LazyFormencode(object):
     def __init__(self, formencode_obj, *args, **kwargs):
         self.formencode_obj = formencode_obj

rhodecode/tests/auth_external_test.py

@@ -27,8 +27,8 b' rhodecode.tests.auth_external_test'
 import logging
 import traceback
 
-from rhodecode.authentication.base import RhodeCodeExternalAuthPlugin
-from sqlalchemy.ext.hybrid import hybrid_property
+from rhodecode.authentication.base import (
+    RhodeCodeExternalAuthPlugin, hybrid_property)
 from rhodecode.model.db import User
 from rhodecode.lib.ext_json import formatted_json