When Nextcloud stores CalDAV objects, the server-side filename may differ
from the VTODO/VEVENT UID. The caldav fork constructed object URLs from
the UID instead of the actual <d:href> from REPORT responses, causing
list_todos to return wrong hrefs, delete_todo to silently no-op, and
update_todo to fail.
Upstream caldav v3.0.1 fixes this in _async_request_report_build_resultlist
by passing url=self.url.join(url) when constructing result objects.
Key changes:
- Replace caldav fork with upstream caldav>=3.0.1,<4.0
- Update imports to caldav.aio module
- Add _maybe_await() helper for v3's dual-mode methods that return
either objects or coroutines depending on async context
- Add _async_object_by_uid() to work around upstream's get_object_by_uid
not being async-aware (it iterates a coroutine synchronously)
- Adapt save_event/save_todo (no longer return tuples)
- Pass url=calendar.url.join(href) in _search_events_by_date
- Pass include_completed=True in list_todos to match previous behavior
- Add integration test for filename != UID scenario
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Chris Coutinho
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