pkg.lib.App: Fix event loop for Python 3.14+ #59
2026-08-14
pkg.lib.App: Fix event loop for Python 3.14+
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asyncio.get_event_loop() is removed in Python 3.14 when called from outside an async context. The current code calls it in __init__(), which crashes on 3.14+. To fix this, drop the eager loop creation from __init__(). Instead, lazily create a loop in run() via asyncio.new_event_loop() when no external loop was provided, and close it in the finally block. This makes the lifecycle symmetric: run() owns the full create-use-close cycle and supports re-entrant calls. Replace __del__() with an explicit close() method, guarding against double-close via is_closed(). close() always clears __eloop to None so a closed loop never lingers. Signed-off-by: Jan Lindemann <jan@janware.com>