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annotate contrib/debugcmdserver.py @ 53012:0e2be2abd963

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contrib: add modern `setuptools` and `setuptools_scm` to the packaging venv With `py -3.9 contrib/packaging/packaging.py wix --pyoxidizer-target x86_64-pc-windows-msvc`, there is an immediate failure after building the venv (3.9.13 has `setuptools` 58.1.0): ModuleNotFoundError: No module named 'setuptools.command.build' With that fixed, the same command then fails immediately with this error: Couldn't import setuptools_scm (direct call of setup.py?) Unfortunately, referencing `setuptools` in the requirements file needs `--allow-unsafe` to avoid a warning about not pinning `setuptools`. However, the same warning happens if `setuptools` is pinned to a specific revision, so I have no idea what it is complaining about. It's a separate venv that is only used for packaging, so we can fix it if it becomes a problem in the future. Interestingly, the Inno installer build doesn't fail immediately, and I can see it installing `setuptools` and `setuptools_scm` in the wall of text it emits. Eventually it does fail with the same errors without this change.
author Matt Harbison <matt_harbison@yahoo.com>
date Mon, 24 Feb 2025 11:29:46 -0500
parents 6000f5b25c9b
children
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1 #!/usr/bin/env python3
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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 struct
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11 import sys
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12
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13 if len(sys.argv) != 2:
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14 print('usage: debugcmdserver.py FILE')
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15 sys.exit(1)
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16
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17 outputfmt = '>cI'
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18 outputfmtsize = struct.calcsize(outputfmt)
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19
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20 if sys.argv[1] == '-':
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21 log = sys.stderr
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22 else:
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23 log = open(sys.argv[1], 'a')
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24
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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
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35 try:
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36 while True:
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37 header = read(outputfmtsize)
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38 channel, length = struct.unpack(outputfmt, header)
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39 log.write('%s, %-4d' % (channel, length))
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40 if channel in 'IL':
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41 log.write(' -> waiting for input\n')
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42 else:
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43 data = read(length)
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44 log.write(' -> %r\n' % data)
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45 log.flush()
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46 except EOFError:
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47 pass
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48 finally:
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49 if log != sys.stderr:
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50 log.close()