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# Temporary file name allocation
import posix
import path
# Changeable parameters (by clients!)...
# XXX Should the environment variable $TMPDIR override tempdir?
tempdir = '/usr/tmp'
template = '@'
# Kludge to hold mutable state
class Struct: pass
G = Struct()
G.i = 0
# User-callable function
# XXX Should this have a parameter, like C's mktemp()?
# XXX Should we instead use the model of Standard C's tempnam()?
# XXX By all means, avoid a mess with four different functions like C...
def mktemp():
while 1:
G.i = G.i+1
file = tempdir +'/'+ template + `posix.getpid()` +'.'+ `G.i`
if not path.exists(file):
break
return file
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