Mercurial > hg
annotate contrib/showstack.py @ 26345:2aa0dde846b4
mq: remove a mutable default argument
Mutable default arguments are know to the state of California to cause bugs. The
underlying function already handle "None" as an option value, so we do not need
to do anything else.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 24 Sep 2015 00:50:06 -0700 |
parents | bdac264e5ed4 |
children | f2fe7b199bb4 |
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26123
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1 # showstack.py - extension to dump a Python stack trace on signal |
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2 # |
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3 # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) |
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4 |
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5 import sys, signal, traceback |
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6 |
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7 def sigshow(*args): |
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8 sys.stderr.write("\n") |
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9 traceback.print_stack(args[1], limit=10, file=sys.stderr) |
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10 sys.stderr.write("----\n") |
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11 |
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12 def extsetup(ui): |
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13 signal.signal(signal.SIGQUIT, sigshow) |
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14 try: |
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15 signal.signal(signal.SIGINFO, sigshow) |
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16 except AttributeError: |
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17 pass |