Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/mkreal.py @ 25838:8540887bcec6 2.2

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Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.
author Guido van Rossum <guido@python.org>
date Fri, 18 Oct 2002 13:42:21 +0000
parents 14a27acc755a
children 93c92f20b6bf
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
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1 #! /usr/bin/env python
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2
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3 # mkreal
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4 #
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5 # turn a symlink to a directory into a real directory
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6
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7 import sys
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8 import os
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9 from stat import *
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10
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11 join = os.path.join
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12
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13 error = 'mkreal error'
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14
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15 BUFSIZE = 32*1024
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16
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17 def mkrealfile(name):
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18 st = os.stat(name) # Get the mode
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19 mode = S_IMODE(st[ST_MODE])
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20 linkto = os.readlink(name) # Make sure again it's a symlink
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21 f_in = open(name, 'r') # This ensures it's a file
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22 os.unlink(name)
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23 f_out = open(name, 'w')
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24 while 1:
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25 buf = f_in.read(BUFSIZE)
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26 if not buf: break
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27 f_out.write(buf)
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28 del f_out # Flush data to disk before changing mode
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29 os.chmod(name, mode)
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30
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31 def mkrealdir(name):
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32 st = os.stat(name) # Get the mode
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33 mode = S_IMODE(st[ST_MODE])
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34 linkto = os.readlink(name)
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35 files = os.listdir(name)
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36 os.unlink(name)
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37 os.mkdir(name, mode)
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38 os.chmod(name, mode)
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39 linkto = join(os.pardir, linkto)
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40 #
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41 for file in files:
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42 if file not in (os.curdir, os.pardir):
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43 os.symlink(join(linkto, file), join(name, file))
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44
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45 def main():
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46 sys.stdout = sys.stderr
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47 progname = os.path.basename(sys.argv[0])
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48 if progname == '-c': progname = 'mkreal'
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49 args = sys.argv[1:]
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50 if not args:
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51 print 'usage:', progname, 'path ...'
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52 sys.exit(2)
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53 status = 0
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54 for name in args:
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55 if not os.path.islink(name):
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56 print progname+':', name+':', 'not a symlink'
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57 status = 1
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58 else:
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59 if os.path.isdir(name):
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60 mkrealdir(name)
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61 else:
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62 mkrealfile(name)
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63 sys.exit(status)
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64
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65 main()