upstream/mercurial-mirror Files · contrib/showstack.py

pyoxidizer: re-install PYTHONPATH behavior...

pyoxidizer: re-install PYTHONPATH behavior Hooks and extensions can rely on PYTHONPATH value. Yet the pyoxidized binary ignore the variable. So we manually reinstall the behavior to fix various tests and restore the expected behavior. This positively affects: - test-extension.t - test-hook.t Differential Revision: https://phab.mercurial-scm.org/D11302

Augie Fackler - - Load All Authors

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             showstack.py
        
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      # 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)

      """

      from __future__ import absolute_import, print_function

      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

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				# 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)
				"""

				from __future__ import absolute_import, print_function
				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