Source/Base/Bindings/Python/__init__.py.in

   1 # PyOpenSG is (C) Copyright 2005-2009 by Allen Bierbaum
   2 #
   3 # This file is part of PyOpenSG.
   4 #
   5 # PyOpenSG is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Lesser General Public License as published by the Free
   7 # Software Foundation; either version 2 of the License, or (at your option)
   8 # any later version.
   9 #
  10 # PyOpenSG is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
  13 # more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 #
  19 # Init file for osg package.
  20 #
  21
  22 # Hack to bring in all symbols OpenSG is linked against and loads from plugins
  23 # Search for : setdlopenflags and RTLD_GLOBAL on google to see why
  24
  25 original_dlopen_flags = None
  26
  27 try:
  28    import dl, sys
  29    original_dlopen_flags = sys.getdlopenflags()
  30    sys.setdlopenflags(original_dlopen_flags | dl.RTLD_GLOBAL)
  31 except:
  32    pass
  33
  34 # Import everything from the opensg module
  35 from ${PROJECT_NAME}Py import *
  36
  37 if original_dlopen_flags:
  38    sys.setdlopenflags(original_dlopen_flags)
  39
  40 def _fc_cmp(self, other):
  41    """ Comparison operator for field containers. """
  42    id_self = None
  43    id_other = None
  44    if not self is None:
  45       id_self = self.getId()
  46    if not other is None:
  47       id_other = other.getId()
  48
  49    return cmp(id_self, id_other)
  50
  51 def _fc_hash(self):
  52    if self is None:
  53       return -1
  54    else:
  55       return self.getId()
  56
  57 for (n,c) in OSGBasePy.__dict__.iteritems():
  58  if isinstance(c,type) and (${PROJECT_NAME}Py.AttachmentContainer in c.__mro__):
  59   c.__cmp__  = _fc_cmp
  60   c.__hash__ = _fc_hash
  61