i0ddlmZddlmZGddZy))Lock)Callablec2eZdZdZddZdegdfdefdZy)OncezExecute a function exactly once and block all callers until the function returns Same as golang's `sync.Once `_ returnNc0t|_d|_y)NF)r_lock_done)selfs m/Volumes/fast/ai/experiments/voice-extract-mac/.venv/lib/python3.12/site-packages/opentelemetry/util/_once.py__init__z Once.__init__sV  funcc|jry|j5|js|d|_ dddy dddy#1swYyxYw)zExecute ``func`` if it hasn't been executed or return. Will block until ``func`` has been called by one thread. Returns: Whether or not ``func`` was executed in this call FTN)r r )r rs r do_oncez Once.do_oncesJ :: ZZ::!  Z   s A  A)rN)__name__ __module__ __qualname____doc__r rboolrrr rrs( HRX.4rrN) threadingrtypingrrrrr rsr