Mercurial > hg
annotate contrib/debugcmdserver.py @ 20629:277dc5f27310
cmdserver: recreate mq object on runcommand in case queue path was changed
repo.mq needs to be recreated after queue path change. Since there is little
benefit to keep invalidated mq object, it always delete repo.mq.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 03 Mar 2014 19:41:30 +0900 |
parents | e34106fa0dc3 |
children | cd03fbd5ab57 |
rev | line source |
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contrib: add a script to help diagnose raw output of the cmdserver
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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 import sys, struct |
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11 |
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12 if len(sys.argv) != 2: |
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13 print 'usage: debugcmdserver.py FILE' |
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14 sys.exit(1) |
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15 |
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16 outputfmt = '>cI' |
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17 outputfmtsize = struct.calcsize(outputfmt) |
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18 |
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19 if sys.argv[1] == '-': |
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20 log = sys.stderr |
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21 else: |
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22 log = open(sys.argv[1], 'a') |
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23 |
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24 def read(size): |
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25 data = sys.stdin.read(size) |
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26 if not data: |
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cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
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27 raise EOFError |
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28 sys.stdout.write(data) |
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29 sys.stdout.flush() |
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30 return data |
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31 |
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32 try: |
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33 while True: |
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34 header = read(outputfmtsize) |
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35 channel, length = struct.unpack(outputfmt, header) |
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36 log.write('%s, %-4d' % (channel, length)) |
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37 if channel in 'IL': |
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38 log.write(' -> waiting for input\n') |
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39 else: |
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40 data = read(length) |
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41 log.write(' -> %r\n' % data) |
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42 log.flush() |
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43 except EOFError: |
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44 pass |
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45 finally: |
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46 if log != sys.stderr: |
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47 log.close() |