fix: compatibility with DRF manage.py generateschema (#1440)

projectroles/views_api.py

@@ -1,6 +1,7 @@
 """REST API views for the projectroles app"""
 
 import re
+import sys
 
 from ipaddress import ip_address, ip_network
 
@@ -257,7 +258,14 @@ class APIProjectContextMixin(ProjectAccessMixin):
 
     def get_serializer_context(self, *args, **kwargs):
         context = super().get_serializer_context(*args, **kwargs)
-        context['project'] = self.get_project(request=context['request'])
+        if (
+            not context['request']
+            and not getattr(self, 'request')
+            and sys.argv[1:2] == ["generateschema"]
+        ):
+            pass  # allow request being unset when running management command
+        else:
+            context['project'] = self.get_project(request=context['request'])
         return context
 
     def get_queryset(self):