Mercurial > hg > mercurial-crew-with-dirclash
annotate tests/md5sum.py @ 2734:07026da25ed8
hbisect.py: don't rely on __del__ to write the current state.
This is yet another page of the "Thou shalt not do too much inside
__del__ methods" book, in the "demandload and __del__ don't go well
together" chapter.
The bisect extension is broken in 0.9.1:
$ hg bisect init
$ hg bisect bad
Fatal Python error: Interpreter not initialized (version mismatch?)
Aborted
(yes, I tripled checked my instalation to make sure the problem is not
there)
It's been broken since revision fe1689273f84 moved the import of the
binascii module into a demandload.
(In details: the first time that "hg bisect bad" (or good) is called,
there are still no revisions saved in .hg/bisect/*, so bisect.__init__
doesn't call hg.bin on anything. So, when we reach __del__, the
binascii module still hasn't been imported and we get that "nice"
message above.)
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Fri, 28 Jul 2006 21:20:41 -0300 |
parents | 50e1c90b0fcf |
children | 53e843840349 |
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1 #! /usr/bin/env python |
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2 # |
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3 # Based on python's Tools/scripts/md5sum.py |
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4 # |
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5 # This software may be used and distributed according to the terms |
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6 # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is |
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7 # GPL-compatible. |
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8 |
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9 import sys |
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10 import os |
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11 import md5 |
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12 |
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13 for filename in sys.argv[1:]: |
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14 try: |
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15 fp = open(filename, 'rb') |
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16 except IOError, msg: |
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17 sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg)) |
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18 sys.exit(1) |
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19 |
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20 m = md5.new() |
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21 try: |
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22 while 1: |
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23 data = fp.read(8192) |
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24 if not data: |
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25 break |
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26 m.update(data) |
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27 except IOError, msg: |
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28 sys.stderr.write('%s: I/O error: %s\n' % (filename, msg)) |
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29 sys.exit(1) |
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30 sys.stdout.write('%s %s\n' % (m.hexdigest(), filename)) |
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31 |
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32 sys.exit(0) |