chiark / gitweb /
_u32: Allow LONG_MAX to be stored in a Python int.
[mLib-python] / utils.pyx
CommitLineData
579d0169 1# -*-pyrex-*-
2#
3# $Id$
4#
5# Miscellaneous support gubbins
6#
7# (c) 2005 Straylight/Edgeware
8#
9
10#----- Licensing notice -----------------------------------------------------
11#
12# This file is part of the Python interface to mLib.
13#
14# mLib/Python is free software; you can redistribute it and/or modify
15# it under the terms of the GNU General Public License as published by
16# the Free Software Foundation; either version 2 of the License, or
17# (at your option) any later version.
18#
19# mLib/Python is distributed in the hope that it will be useful,
20# but WITHOUT ANY WARRANTY; without even the implied warranty of
21# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22# GNU General Public License for more details.
23#
24# You should have received a copy of the GNU General Public License
25# along with mLib/Python; if not, write to the Free Software Foundation,
26# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27
28cdef object _u32(uint32 x):
1a77d3ed 29 if x <= LONG_MAX:
579d0169 30 return PyInt_FromLong(x)
31 else:
32 return PyLong_FromUnsignedLong(x)
33
34cdef object _oserror():
35 raise OSError, (errno, strerror(errno))
36
37cdef object _tobool(int i):
38 if i:
39 return True
40 else:
41 return False
42
43cdef int _getfd(object fdobj):
44 try:
45 return fdobj
46 except TypeError:
47 return fdobj.fileno()
48
49cdef object _checkcallable(f, what):
50 if f is not None and not callable(f):
51 raise TypeError, '%s must be callable' % what
52 return f
53
54cdef object _maybecall(f, args):
55 if f is None:
56 return None
57 return f(*args)
58
59#----- That's all, folks ----------------------------------------------------