1 #-------------------------------------------------------------------------------
3 # | ____| _| |_ / __ \ /\ | \/ |
4 # | |__ _ __ ___ ___ / \| | | | / \ | \ / |
5 # | __| '__/ _ \/ _ ( (| |) ) | | |/ /\ \ | |\/| |
6 # | | | | | __/ __/\_ _/| |__| / ____ \| | | |
7 # |_| |_| \___|\___| |_| \____/_/ \_\_| |_|
9 # FreeFOAM: The Cross-Platform CFD Toolkit
11 # Copyright (C) 2008-2011 Michael Wild <themiwi@users.sf.net>
12 # Gerber van der Graaf <gerber_graaf@users.sf.net>
13 # Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Python Software
14 # Foundation; All Rights Reserved
15 #-------------------------------------------------------------------------------
17 # This file is part of FreeFOAM.
19 # FreeFOAM is free software; you can redistribute it and/or modify it
20 # under the terms of the GNU General Public License as published by the
21 # Free Software Foundation; either version 2 of the License, or (at your
22 # option) any later version.
24 # FreeFOAM is distributed in the hope that it will be useful, but WITHOUT
25 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
26 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
29 # You should have received a copy of the GNU General Public License
30 # along with FreeFOAM; if not, write to the Free Software Foundation,
31 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
33 # Some of the below functions have been backported from Python. They are
34 # licensed under the Python Software Foundation License version 2. The full
35 # license text is available at http://docs.python.org/license.html. Notably,
36 # the functions _nt_relpath and _posix_relpath are adapted versions of
37 # ntpath.relpath and posixpath.relpath, respectively and are copyrighted to
38 # the Python Software Foundation. _check_call and _check_output were modified
39 # from subprocess.check_call and subprocess.check_output which are
40 # copyrighted to Peter Astrand <astrand@lysator.liu.se>.
43 # Compatibility functions that make Python 3.x code work with 2.x
46 #-------------------------------------------------------------------------------
51 import subprocess
as _subprocess
53 def echo(*args
, **kwargs
):
54 """print() replacement which does not depend on the Python version"""
67 file.write(str(sep
).join(map(str, args
)))
72 # check whether Python version is < 3.0
73 if _sys
.hexversion
< 0x030000f0:
74 # replace the standard functions
76 filter = itertools
.ifilter
85 import html
.parser
as HTMLParser
87 # check whether Python version is < 2.6
88 if _sys
.hexversion
< 0x020600f0:
89 def _posix_relpath(path
, start
=_os
.curdir
):
90 """Return a relative version of a path, POSIX version"""
93 raise ValueError("no path specified")
95 start_list
= _op
.abspath(start
).split(_op
.sep
)
96 path_list
= _op
.abspath(path
).split(_op
.sep
)
98 # Work out how much of the filepath is shared by start and path.
99 i
= len(_op
.commonprefix([start_list
, path_list
]))
101 rel_list
= [_op
.pardir
] * (len(start_list
)-i
) + path_list
[i
:]
104 return _op
.join(*rel_list
)
106 def _nt_relpath(path
, start
=_os
.curdir
):
107 """Return a relative version of a path, Windows version"""
110 raise ValueError("no path specified")
111 start_list
= _op
.abspath(start
).split(_op
.sep
)
112 path_list
= _op
.abspath(path
).split(_op
.sep
)
113 if start_list
[0].lower() != path_list
[0].lower():
114 unc_path
, rest
= _op
.splitunc(path
)
115 unc_start
, rest
= _op
.splitunc(start
)
116 if bool(unc_path
) ^
bool(unc_start
):
117 raise ValueError("Cannot mix UNC and non-UNC paths (%s and %s)"
120 raise ValueError("path is on drive %s, start on drive %s"
121 % (path_list
[0], start_list
[0]))
122 # Work out how much of the filepath is shared by start and path.
123 for i
in range(min(len(start_list
), len(path_list
))):
124 if start_list
[i
].lower() != path_list
[i
].lower():
129 rel_list
= [_op
.pardir
] * (len(start_list
)-i
) + path_list
[i
:]
132 return _op
.join(*rel_list
)
134 # provide os.path.relpath
135 if _os
.name
== 'posix':
136 _op
.relpath
= _posix_relpath
137 elif _os
.name
== 'nt':
138 _op
.relpath
= _nt_relpath
140 raise Exception('No implementation of os.path.relpath available')
142 # check whether Python version is < 2.5
143 if _sys
.hexversion
< 0x020500f0:
144 # there is no BaseException class
145 BaseException
= Exception
147 # there is no subprocess.check_call() function
148 def _check_call(*popernargs
, **kwargs
):
149 retcode
= _subprocess
.call(*popenargs
, **kwargs
)
151 cmd
= kwargs
.get("args")
154 raise _subprocess
.CalledProcessError(retcode
, cmd
)
156 _subprocess
.check_call
= _check_call
158 # check whether Python version is < 2.7
159 if _sys
.hexversion
< 0x020700f0:
160 # there is no subprocess.check_output() function
161 def _check_output(*popenargs
, **kwargs
):
162 if 'stdout' in kwargs
:
164 'stdout argument not allowed, it will be overridden.')
165 process
= _subprocess
.Popen(
166 stdout
=_subprocess
.PIPE
, *popenargs
, **kwargs
)
167 output
, unused_err
= process
.communicate()
168 retcode
= process
.poll()
170 cmd
= kwargs
.get("args")
173 raise _subprocess
.CalledProcessError(retcode
, cmd
, output
=output
)
175 _subprocess
.check_output
= _check_output
177 # ------------------------- vim: set sw=3 sts=3 et: --------------- end-of-file