/usr/share/pyshared/nws/util.py is in python-nwsclient 1.6.4-8build1.
This file is owned by root:root, with mode 0o644.
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# Copyright (c) 2005-2008, REvolution Computing, Inc.
#
# NetWorkSpaces is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
#
import sys, os, string
_iswin = sys.platform.startswith('win')
_winexts = os.environ.get('PATHEXT', '').split(os.pathsep)
_need_quoting = string.whitespace + '"'
def _ismatch(p):
return os.path.isfile(p) and os.access(p, os.X_OK)
def _expand(n):
s = [n]
# only expand on Windows
if _iswin:
# only expand if not extension is specified
b, e = os.path.splitext(n)
if not e:
for e in _winexts:
s.append(b + e)
return s
def which(cmd, path=None):
if os.path.split(cmd)[0]:
cmd = os.path.abspath(cmd)
# print "Checking for", cmd
matches = [x for x in _expand(cmd) if _ismatch(x)]
else:
matches = []
if not path:
path = os.environ.get('PATH', os.defpath).split(os.pathsep)
if _iswin: path.insert(0, os.curdir)
for pelem in path:
full = os.path.join(os.path.normpath(pelem), cmd)
# print "Checking for", full
matches += [x for x in _expand(full) if _ismatch(x)]
return matches
# This is useful in conjunction with os.spawnv on Windows.
# For example,
# os.spawnv(os.P_WAIT, argv[0], [msc_quote(a) for a in argv])
# This is only useful on Windows.
def msc_quote(cmd):
if not [c for c in cmd if c in _need_quoting]:
return cmd
q = '"'
nbs = 0
for c in cmd:
if c == '\\':
q += c
nbs += 1
elif c == '"':
q += (nbs + 1) * '\\' + c
nbs = 0
else:
q += c
nbs = 0
q += nbs * '\\' + '"'
return q
# This is useful in conjunction with win32process.CreateProcess
# and os.system on Windows.
# This is only useful on Windows.
def msc_argv2str(argv):
return ' '.join([msc_quote(a) for a in argv])
def _qtest(argv):
print "quoted command string:", msc_argv2str(argv)
def _wtest(argv):
for p in argv[1:]:
plist = which(p)
if not plist:
print >> sys.stderr, "error: no matches found for", p
continue
if len(plist) > 1:
print >> sys.stderr, "warning: more than one match found for", p
print plist[0]
if __name__ == '__main__':
_qtest(sys.argv)
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