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

lfs: handle URLErrors to add additional information...

lfs: handle URLErrors to add additional information Sometimes the blob server is hit first (e.g. on push), and sometimes it's hit last (e.g. pull). Throw in depth first subrepo operations, and things quickly get insane. It wasn't even mentioning LFS, so just saying "connection refused" can be confusing- especially if the blob server is a secondary server and connecting to the repo server works. The exception handler for the transfer handler will print the full path to the blob, but that seems fine given that it might be necessary to debug a second server. (We don't yet support a standalone blob server, so the handler for the Batch API will cover 99.9% of the current problems. But it might as well be handled now while I'm thinking about it.) The function for translating to a message was mostly borrowed from scmutil.catchall().

Pulkit Goyal - - Load All Authors

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             debugcmdserver.py
        
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      #!/usr/bin/env python

      #

      # Dumps output generated by Mercurial's command server in a formatted style to a

      # given file or stderr if '-' is specified. Output is also written in its raw

      # format to stdout.

      #

      # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py -

      # o, 52   -> 'capabilities: getencoding runcommand\nencoding: UTF-8'

      from __future__ import absolute_import, print_function

      import struct

      import sys

      if len(sys.argv) != 2:

          print('usage: debugcmdserver.py FILE')

          sys.exit(1)

      outputfmt = '>cI'

      outputfmtsize = struct.calcsize(outputfmt)

      if sys.argv[1] == '-':

          log = sys.stderr

      else:

          log = open(sys.argv[1], 'a')

      def read(size):

          data = sys.stdin.read(size)

          if not data:

              raise EOFError

          sys.stdout.write(data)

          sys.stdout.flush()

          return data

      try:

          while True:

              header = read(outputfmtsize)

              channel, length = struct.unpack(outputfmt, header)

              log.write('%s, %-4d' % (channel, length))

              if channel in 'IL':

                  log.write(' -> waiting for input\n')

              else:

                  data = read(length)

                  log.write(' -> %r\n' % data)

              log.flush()

      except EOFError:

          pass

      finally:

          if log != sys.stderr:

              log.close()

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				#!/usr/bin/env python
				#
				# Dumps output generated by Mercurial's command server in a formatted style to a
				# given file or stderr if '-' is specified. Output is also written in its raw
				# format to stdout.
				#
				# $ ./hg serve --cmds pipe \| ./contrib/debugcmdserver.py -
				# o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8'

				from __future__ import absolute_import, print_function
				import struct
				import sys

				if len(sys.argv) != 2:
				print('usage: debugcmdserver.py FILE')
				sys.exit(1)

				outputfmt = '>cI'
				outputfmtsize = struct.calcsize(outputfmt)

				if sys.argv[1] == '-':
				log = sys.stderr
				else:
				log = open(sys.argv[1], 'a')

				def read(size):
				data = sys.stdin.read(size)
				if not data:
				raise EOFError
				sys.stdout.write(data)
				sys.stdout.flush()
				return data

				try:
				while True:
				header = read(outputfmtsize)
				channel, length = struct.unpack(outputfmt, header)
				log.write('%s, %-4d' % (channel, length))
				if channel in 'IL':
				log.write(' -> waiting for input\n')
				else:
				data = read(length)
				log.write(' -> %r\n' % data)
				log.flush()
				except EOFError:
				pass
				finally:
				if log != sys.stderr:
				log.close()