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#!/usr/bin/env python
# Copyright (c) 2002-2003 ActiveState Corp.
# Author: Trent Mick (TrentM@ActiveState.com)
import os
import sys
import types
#---- Support routines
def _escapeArg(arg):
"""Escape the given command line argument for the shell."""
#XXX There is a *lot* more that we should escape here.
return arg.replace('"', r'\"')
def _joinArgv(argv):
r"""Join an arglist to a string appropriate for running.
>>> import os
>>> _joinArgv(['foo', 'bar "baz'])
'foo "bar \\"baz"'
"""
cmdstr = ""
for arg in argv:
if ' ' in arg:
cmdstr += '"%s"' % _escapeArg(arg)
else:
cmdstr += _escapeArg(arg)
cmdstr += ' '
if cmdstr.endswith(' '): cmdstr = cmdstr[:-1] # strip trailing space
return cmdstr
def run(argv):
"""Prepare and run the given arg vector, 'argv', and return the
results. Returns (<stdout lines>, <stderr lines>, <return value>).
Note: 'argv' may also just be the command string.
"""
if type(argv) in (types.ListType, types.TupleType):
cmd = _joinArgv(argv)
else:
cmd = argv
if sys.platform.startswith('win'):
i, o, e = os.popen3(cmd)
output = o.read()
error = e.read()
i.close()
e.close()
try:
retval = o.close()
except IOError:
# IOError is raised iff the spawned app returns -1. Go
# figure.
retval = -1
if retval is None:
retval = 0
else:
import popen2
p = popen2.Popen3(cmd, 1)
i, o, e = p.tochild, p.fromchild, p.childerr
output = o.read()
error = e.read()
i.close()
o.close()
e.close()
retval = (p.wait() & 0xFF00) >> 8
if retval > 2**7: # 8-bit signed 1's-complement conversion
retval -= 2**8
return output, error, retval
def _rmtreeOnError(rmFunction, filePath, excInfo):
if excInfo[0] == OSError:
# presuming because file is read-only
os.chmod(filePath, 0777)
rmFunction(filePath)
def rmtree(dirname):
import shutil
shutil.rmtree(dirname, 0, _rmtreeOnError)
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