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

help: avoid using "$n" parameter in revsetalias example...

help: avoid using "$n" parameter in revsetalias example Because parsing "$n" requires a crafted tokenizer, it exists only for backward compatibility (as documented in revset._tokenizealias.) This patch updates the examples so that users are encouraged to use symbolic names instead of "$n"s. I'm going to implement alias expansion in templater, which won't support "$n" parameters to make my life easier. Templater is more complicated than revset because tokenizer and parser call each other.

Pulkit Goyal - - Load All Authors

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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)

      from __future__ import absolute_import

      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 extsetup(ui):

          signal.signal(signal.SIGQUIT, sigshow)

          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)

				from __future__ import absolute_import
				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 extsetup(ui):
				signal.signal(signal.SIGQUIT, sigshow)
				try:
				signal.signal(signal.SIGINFO, sigshow)
				except AttributeError:
				pass