remove consecutive if-statements

olapy/core/services/xmla.py

@@ -61,16 +61,12 @@ class XmlaProviderService(ServiceBase):
         ctx.out_header = Session(SessionId=str(XmlaProviderService.sessio_id))
 
         config_parser = ConfigParser(discover_tools.executer.cube_path)
-        if config_parser.xmla_authentication():
-
-            # TODO call (labster) login function or create login with token (according to labster db)
-            if ctx.transport.req_env['QUERY_STRING'] != 'admin':
+        if config_parser.xmla_authentication() and ctx.transport.req_env['QUERY_STRING'] != 'admin':
 
             raise InvalidCredentialsError(
                 fault_string='You do not have permission to access this resource',
                 fault_object=None)
-
-                # raise AuthenticationError()
+            # TODO call (labster) login function or create login with token (according to labster db)
 
         if request.RequestType == "DISCOVER_DATASOURCES":
             return discover_tools.discover_datasources_response()

olapy/core/services/xmla_discover_tools.py

@@ -165,8 +165,8 @@ class XmlaDiscoverTools():
         """)
 
     def discover_schema_rowsets_response(self, request):
-        if request.Restrictions.RestrictionList.SchemaName == "MDSCHEMA_HIERARCHIES":
-            if request.Properties.PropertyList.Catalog is not None:
+        if request.Restrictions.RestrictionList.SchemaName == "MDSCHEMA_HIERARCHIES" and \
+                        request.Properties.PropertyList.Catalog is not None:
                 self.change_catalogue(request.Properties.PropertyList.Catalog)
                 return etree.fromstring("""
                 <return>
@@ -218,8 +218,8 @@ class XmlaDiscoverTools():
                     </root>
                 </return>
             """)
-        if request.Restrictions.RestrictionList.SchemaName == 'MDSCHEMA_MEASURES':
-            if request.Properties.PropertyList.Catalog is not None:
+        if request.Restrictions.RestrictionList.SchemaName == 'MDSCHEMA_MEASURES' and \
+                        request.Properties.PropertyList.Catalog is not None:
                 self.change_catalogue(request.Properties.PropertyList.Catalog)
                 return etree.fromstring("""
                 <return>

olapy/core/services/xmla_execute_tools.py

@@ -302,10 +302,10 @@ class XmlaExecuteTools():
         """
         columns_loop = []
 
-        if (len(mdx_execution_result['columns_desc']['columns'].keys()) == 0
-           ) ^ (len(mdx_execution_result['columns_desc']['rows'].keys()) == 0):
-            if self.executer.facts in mdx_execution_result['columns_desc'][
-                    'all'].keys():
+        if (
+                (len(mdx_execution_result['columns_desc']['columns'].keys()) == 0
+                ) ^ (len(mdx_execution_result['columns_desc']['rows'].keys()) == 0)
+            ) and self.executer.facts in mdx_execution_result['columns_desc']['all'].keys():
 
                 # iterate DataFrame horizontally
                 columns_loop = itertools.chain(* [