1 # -*- encoding: utf-8 -*-
4 # Copyright (C) 2011 Jörg Lehmann <joergl@users.sourceforge.net>
5 # Copyright (C) 2011 André Wobst <wobsta@users.sourceforge.net>
7 # This file is part of PyX (http://pyx.sourceforge.net/).
9 # PyX is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # PyX is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with PyX; if not, write to the Free Software
21 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
25 def popen(cmd
, mode
="r", bufsize
=_marker
):
28 if mode
[0] not in "rw" or "r" in mode
[1:] or "w" in mode
[1:]:
29 raise ValueError("read or write mode expected")
31 kwargs
= {"stdout": subprocess
.PIPE
}
33 kwargs
= {"stdin": subprocess
.PIPE
}
34 if bufsize
is not _marker
:
35 kwargs
["bufsize"] = bufsize
36 pipes
= subprocess
.Popen(cmd
, shell
=True, **kwargs
)
43 if bufsize
is _marker
:
44 return os
.popen(cmd
, mode
)
46 return os
.popen(cmd
, mode
, bufsize
)
52 for element
in iterable
:
61 from sets
import Set
as set