Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/util.py @ 461:9ae0034f2772

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[PATCH] /dev/null for other OS -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [PATCH] /dev/null for other OS From: K Thananchayan <thananck@yahoo.com> Null device name is platform dependent. Introduce util.nulldev - - platform dependent constant and use it instead of '/dev/null' manifest hash: 95a1bfdb712c53ef97aaff73f7f4c87e9299cf59 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCvQCGywK+sNU5EO8RAiRBAKCcXasCCFT2+6wgklkgqIt4l3UwugCeKWii h/8iRYEw8Rp8B67abiFiwyY= =L3Mk -----END PGP SIGNATURE-----
author mpm@selenic.com
date Fri, 24 Jun 2005 22:58:14 -0800
parents e8af362cfb01
children 50da4bb9cab6
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1 # util.py - utility functions and platform specfic implementations
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2 #
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3 # Copyright 2005 K. Thananchayan <thananck@yahoo.com>
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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 GNU General Public License, incorporated herein by reference.
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7
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8 import os
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9
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10 def rename(src, dst):
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11 try:
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12 os.rename(src, dst)
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13 except:
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14 os.unlink(dst)
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15 os.rename(src, dst)
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16
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17 # Platfor specific varients
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18 if os.name == 'nt':
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19 nulldev = 'NUL:'
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20
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21 def is_exec(f, last):
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22 return last
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23
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24 def set_exec(f, mode):
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25 pass
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26
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27 def pconvert(path):
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28 return path.replace("\\", "/")
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29
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30 def makelock(info, pathname):
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31 ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)
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32 os.write(ld, info)
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33 os.close(ld)
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34
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35 def readlock(pathname):
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36 return file(pathname).read()
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37
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38 else:
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39 nulldev = '/dev/null'
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40
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41 def is_exec(f, last):
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42 return (os.stat(f).st_mode & 0100 != 0)
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43
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44 def set_exec(f, mode):
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45 s = os.stat(f).st_mode
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46 if (s & 0100 != 0) == mode:
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47 return
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48 if mode:
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49 # Turn on +x for every +r bit when making a file executable
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50 # and obey umask.
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51 umask = os.umask(0)
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52 os.umask(umask)
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53 os.chmod(f, s | (s & 0444) >> 2 & ~umask)
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54 else:
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55 os.chmod(f, s & 0666)
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56
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57 def pconvert(path):
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58 return path
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59
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60 def makelock(info, pathname):
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61 os.symlink(info, pathname)
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62
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63 def readlock(pathname):
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64 return os.readlink(pathname)