list: allow --project or --group with name lookup

Author: Adrien "ze" Urban

gitlab.py

@@ -186,6 +186,17 @@ def rawDelete(self, path):
     def list(self, obj_class, **kwargs):
         missing = []
         for k in obj_class.requiredListAttrs:
+            if k not in kwargs:
+                if k == 'group_id' and 'group' in kwargs:
+                    name = kwargs['group']
+                    for g in self.list(Group):
+                        if g.__dict__['name'] == name:
+                            kwargs['group_id'] = g.__dict__['id']
+                if k == 'project_id' and 'project' in kwargs:
+                    name = kwargs['project']
+                    for p in self.list(Project):
+                        if p.__dict__['path_with_namespace'] == name:
+                            kwargs['project_id'] = p.__dict__['id']
             if k not in kwargs:
                 missing.append(k)
         if missing: