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When running tests, install signal handlers that log stack traces #11

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When running tests, install signal handlers that log stack traces #11

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18 changes: 18 additions & 0 deletions test/__init__.py
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Expand Up @@ -16,10 +16,28 @@
import collections
import itertools
import os
import signal
import sys
import traceback

import stem.util.enum
import stem.version

# Install signal handlers before doing anything else
def log_traceback(sig, frame):
"""Log a stack trace. exit(-1) if the signal was SIGABRT."""
message = "Signal {} received.\nTraceback:\n".format(sig)
message += ''.join(traceback.format_stack(frame))
print(message)
if sig == signal.SIGABRT:
sys.exit(-1)

# Register handlers
# Log stack trace and exit
signal.signal(signal.SIGABRT, log_traceback)
# Log stack trace and continue
signal.signal(signal.SIGUSR1, log_traceback)

__all__ = [
'network',
'output',
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