Mercurial > hg
annotate contrib/debugcmdserver.py @ 26345:2aa0dde846b4
mq: remove a mutable default argument
Mutable default arguments are know to the state of California to cause bugs. The
underlying function already handle "None" as an option value, so we do not need
to do anything else.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Thu, 24 Sep 2015 00:50:06 -0700 |
parents | e34106fa0dc3 |
children | cd03fbd5ab57 |
rev | line source |
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contrib: add a script to help diagnose raw output of the cmdserver
Idan Kamara <idankk86@gmail.com>
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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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e34106fa0dc3
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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Idan Kamara <idankk86@gmail.com>
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45 finally: |
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46 if log != sys.stderr: |
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47 log.close() |