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https://github.com/rembo10/headphones.git
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c0c64621e6
Add a 'crier' handler to dump the thread stacks of running threads to the log, for easier debugging.
37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
import pprint
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import sys
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import threading
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import traceback
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from headphones import logger
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def cry():
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"""
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Logs thread traces.
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"""
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tmap = {}
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main_thread = None
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# get a map of threads by their ID so we can print their names
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# during the traceback dump
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for t in threading.enumerate():
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if t.ident:
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tmap[t.ident] = t
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else:
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main_thread = t
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# Loop over each thread's current frame, writing info about it
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for tid, frame in sys._current_frames().iteritems():
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thread = tmap.get(tid, main_thread)
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lines = []
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lines.append('%s\n' % thread.getName())
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lines.append('========================================\n')
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lines += traceback.format_stack(frame)
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lines.append('========================================\n')
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lines.append('LOCAL VARIABLES:\n')
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lines.append('========================================\n')
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lines.append(pprint.pformat(frame.f_locals))
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lines.append('\n\n')
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logger.info("".join(lines))
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