Project owner is optional (None if you have no read access rights) (#972)

* Project owner is optional (None if you have no read access rights)

* changelog

Author: fm3

webknossos/Changelog.md

@@ -20,6 +20,8 @@ For upgrade instructions, please check the respective _Breaking Changes_ section
 
 ### Fixed
 
+- Fixed a bug in reading project info from webknossos using the api client for non-admins. [#972](https://github.com/scalableminds/webknossos-libs/pull/972)
+
 
 ## [0.14.12](https://github.com/scalableminds/webknossos-libs/releases/tag/v0.14.12) - 2023-12-19
 [Commits](https://github.com/scalableminds/webknossos-libs/compare/v0.14.11...v0.14.12)

webknossos/webknossos/administration/project.py

@@ -19,7 +19,7 @@ class Project:
     name: str
     team_id: str
     team_name: str
-    owner_id: str
+    owner_id: Optional[str]  # None in case you have no read access on the owner
     priority: int
     paused: bool
     expected_time: Optional[int]
@@ -75,16 +75,22 @@ def get_tasks(self, fetch_all: bool = False) -> List["Task"]:
 
     def get_owner(self) -> User:
         """Returns the user that is the owner of this task"""
+        assert (
+            self.owner_id is not None
+        ), "Project owner is None, you may not have enough access rights to read the project owner."
         return User.get_by_id(self.owner_id)
 
     @classmethod
     def _from_api_project(cls, api_project: ApiProject) -> "Project":
+        owner_id = None
+        if api_project.owner is not None:
+            owner_id = api_project.owner.id
         return cls(
             api_project.id,
             api_project.name,
             api_project.team,
             api_project.team_name,
-            api_project.owner.id,
+            owner_id,
             api_project.priority,
             api_project.paused,
             api_project.expected_time,

webknossos/webknossos/client/api_client/models.py

@@ -235,7 +235,7 @@ class ApiProject:
     name: str
     team: str
     team_name: str
-    owner: ApiUserCompact
+    owner: Optional[ApiUserCompact]  # None in case you have no read access on the owner
     priority: int
     paused: bool
     expected_time: Optional[int] = None