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More robust error handling for simple_worker

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Kovid Goyal 2012-12-07 15:47:49 +05:30
parent 7580d9c1c0
commit fa0b3854a4
1 changed files with 3 additions and 1 deletions
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4
src/calibre/utils/ipc/simple_worker.py
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@ -48,7 +48,7 @@ class ConnectedWorker(Thread):
try:
eintr_retry_call(conn.send, self.args)
self.res = eintr_retry_call(conn.recv)
except:
except BaseException:
self.tb = traceback.format_exc()
def communicate(ans, worker, listener, args, timeout=300, heartbeat=None,
@ -77,6 +77,8 @@ def communicate(ans, worker, listener, args, timeout=300, heartbeat=None,
if cw.tb:
raise WorkerError('Failed to communicate with worker process')
if cw.res is None:
raise WorkerError('Something strange happened. The worker process was aborted without an exception.')
if cw.res.get('tb', None):
raise WorkerError('Worker failed', cw.res['tb'])
ans['result'] = cw.res['result']