[vlc-devel] commit: python-ctypes: convert NULL return values to None (Olivier Aubert )

[git version control]

vlc | branch: master | Olivier Aubert <olivier.aubert at liris.cnrs.fr> | Fri Jul 31 14:40:58 2009 +0200| [e9210428005b1cb4baaf3130ba13d5bf4a4445e6] | committer: Olivier Aubert 

python-ctypes: convert NULL return values to None

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=e9210428005b1cb4baaf3130ba13d5bf4a4445e6
---

 bindings/python-ctypes/generate.py |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/bindings/python-ctypes/generate.py b/bindings/python-ctypes/generate.py
index 473980c..d44142f 100755
--- a/bindings/python-ctypes/generate.py
+++ b/bindings/python-ctypes/generate.py
@@ -470,12 +470,17 @@ def generate_wrappers(methods):
     for classname, el in itertools.groupby(elements, key=operator.itemgetter(0)):
         print """
 class %(name)s(object):
-    def __init__(self, pointer=None):
+    def __new__(cls, pointer=None):
         '''Internal method used for instanciating wrappers from ctypes.
         '''
         if pointer is None:
             raise Exception("Internal method. You should instanciate objects through other class methods (probably named 'new' or ending with 'new')")
-        self._as_parameter_=ctypes.c_void_p(pointer)
+        if pointer == 0:
+            return None
+        else:
+            o=object.__new__(cls)
+            o._as_parameter_=ctypes.c_void_p(pointer)
+            return o
 
     @staticmethod
     def from_param(arg):