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typing: add type hints to bdiff implementations...
typing: add type hints to bdiff implementations Not super important code, but this was an exercise in using `merge-pyi` to fold type stubs back into the code on something small. The cext stubs don't seem to be getting used (at least the only thing in `.pytype/pyi/mercurial/cext` after a run generating the stubs is `__init__.pyi`), so maybe this will help some.

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showstack.py
30 lines | 679 B | text/x-python | PythonLexer
# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
"""
import signal
import sys
import traceback
def sigshow(*args):
sys.stderr.write("\n")
traceback.print_stack(args[1], limit=10, file=sys.stderr)
sys.stderr.write("----\n")
def sigexit(*args):
sigshow(*args)
print('alarm!')
sys.exit(1)
def extsetup(ui):
signal.signal(signal.SIGQUIT, sigshow)
signal.signal(signal.SIGALRM, sigexit)
try:
signal.signal(signal.SIGINFO, sigshow)
except AttributeError:
pass