Mercurial > hg
annotate contrib/debugcmdserver.py @ 33696:1fa6023240f4
run-tests: don't drop optional lines after a missing unconditional line
The previous behavior was to bail out when hitting 'awol', so 'missing (?)' was
also dropped.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Tue, 18 Jul 2017 00:57:11 -0400 |
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() |