Mercurial > hg
annotate contrib/debugcmdserver.py @ 38807:98df52d5042c
exchange: make narrow ACL presence imply narrow=True
And refactor the logic for determining when to invoke our custom
changegroup part function so it is only conditional on
narrow being set. This makes it more obvious under which
conditions we should invoke the custom implementation.
Also use raw strings so **kwargs works on Python 3.
Differential Revision: https://phab.mercurial-scm.org/D4013
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 28 Jul 2018 17:33:20 -0700 |
parents | cd03fbd5ab57 |
children | 2372284d9457 |
rev | line source |
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1 #!/usr/bin/env python |
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2 # |
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3 # Dumps output generated by Mercurial's command server in a formatted style to a |
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4 # given file or stderr if '-' is specified. Output is also written in its raw |
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5 # format to stdout. |
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6 # |
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7 # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py - |
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8 # o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8' |
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9 |
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10 from __future__ import absolute_import, print_function |
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11 import struct |
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12 import sys |
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13 |
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14 if len(sys.argv) != 2: |
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15 print('usage: debugcmdserver.py FILE') |
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16 sys.exit(1) |
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17 |
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18 outputfmt = '>cI' |
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19 outputfmtsize = struct.calcsize(outputfmt) |
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20 |
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21 if sys.argv[1] == '-': |
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22 log = sys.stderr |
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23 else: |
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24 log = open(sys.argv[1], 'a') |
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25 |
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26 def read(size): |
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27 data = sys.stdin.read(size) |
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28 if not data: |
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29 raise EOFError |
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30 sys.stdout.write(data) |
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31 sys.stdout.flush() |
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32 return data |
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33 |
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34 try: |
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35 while True: |
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36 header = read(outputfmtsize) |
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37 channel, length = struct.unpack(outputfmt, header) |
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38 log.write('%s, %-4d' % (channel, length)) |
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39 if channel in 'IL': |
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40 log.write(' -> waiting for input\n') |
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41 else: |
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42 data = read(length) |
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43 log.write(' -> %r\n' % data) |
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44 log.flush() |
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45 except EOFError: |
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46 pass |
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47 finally: |
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48 if log != sys.stderr: |
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49 log.close() |