Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/util.py @ 467:9d5447a366a7
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author | mpm@selenic.com |
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date | Fri, 24 Jun 2005 23:20:30 -0800 |
parents | 50da4bb9cab6 |
children | 42a660abaf75 |
rev | line source |
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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 |
421 | 10 def rename(src, dst): |
11 try: | |
12 os.rename(src, dst) | |
13 except: | |
14 os.unlink(dst) | |
15 os.rename(src, dst) | |
16 | |
17 # Platfor specific varients | |
419
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18 if os.name == 'nt': |
461 | 19 nulldev = 'NUL:' |
20 | |
441 | 21 def is_exec(f, last): |
22 return last | |
23 | |
24 def set_exec(f, mode): | |
25 pass | |
26 | |
419
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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() |
461 | 37 |
419
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38 else: |
461 | 39 nulldev = '/dev/null' |
40 | |
441 | 41 def is_exec(f, last): |
42 return (os.stat(f).st_mode & 0100 != 0) | |
43 | |
44 def set_exec(f, mode): | |
45 s = os.stat(f).st_mode | |
46 if (s & 0100 != 0) == mode: | |
47 return | |
48 if mode: | |
49 # Turn on +x for every +r bit when making a file executable | |
50 # and obey umask. | |
51 umask = os.umask(0) | |
52 os.umask(umask) | |
53 os.chmod(f, s | (s & 0444) >> 2 & ~umask) | |
54 else: | |
55 os.chmod(f, s & 0666) | |
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) |