util.py
64 lines
| 1.5 KiB
| text/x-python
|
PythonLexer
/ mercurial / util.py
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r419 | # util.py - utility functions and platform specfic implementations | ||
# | ||||
# Copyright 2005 K. Thananchayan <thananck@yahoo.com> | ||||
# | ||||
# This software may be used and distributed according to the terms | ||||
# of the GNU General Public License, incorporated herein by reference. | ||||
import os | ||||
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r421 | def rename(src, dst): | ||
try: | ||||
os.rename(src, dst) | ||||
except: | ||||
os.unlink(dst) | ||||
os.rename(src, dst) | ||||
# Platfor specific varients | ||||
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r419 | if os.name == 'nt': | ||
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r461 | nulldev = 'NUL:' | ||
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r441 | def is_exec(f, last): | ||
return last | ||||
def set_exec(f, mode): | ||||
pass | ||||
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r419 | def pconvert(path): | ||
return path.replace("\\", "/") | ||||
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r422 | |||
def makelock(info, pathname): | ||||
ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) | ||||
os.write(ld, info) | ||||
os.close(ld) | ||||
def readlock(pathname): | ||||
return file(pathname).read() | ||||
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r461 | |||
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r419 | else: | ||
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r461 | nulldev = '/dev/null' | ||
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r441 | def is_exec(f, last): | ||
return (os.stat(f).st_mode & 0100 != 0) | ||||
def set_exec(f, mode): | ||||
s = os.stat(f).st_mode | ||||
if (s & 0100 != 0) == mode: | ||||
return | ||||
if mode: | ||||
# Turn on +x for every +r bit when making a file executable | ||||
# and obey umask. | ||||
umask = os.umask(0) | ||||
os.umask(umask) | ||||
os.chmod(f, s | (s & 0444) >> 2 & ~umask) | ||||
else: | ||||
os.chmod(f, s & 0666) | ||||
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r419 | def pconvert(path): | ||
return path | ||||
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r422 | def makelock(info, pathname): | ||
os.symlink(info, pathname) | ||||
def readlock(pathname): | ||||
return os.readlink(pathname) | ||||