import comtypes.client, ctypes
################################################################
# Interfaces
class IClassFactory(comtypes.IUnknown):
_iid_ = comtypes.GUID("{00000001-0000-0000-C000-000000000046}")
_methods_ = [
comtypes.STDMETHOD(comtypes.HRESULT, "CreateInstance",
[ctypes.POINTER(comtypes.IUnknown),
ctypes.POINTER(comtypes.GUID),
ctypes.POINTER(ctypes.c_void_p)]),
comtypes.STDMETHOD(comtypes.HRESULT, "LockServer",
[ctypes.c_int])]
def CreateInstance(self, punkouter=None, interface=None, dynamic=False):
if dynamic:
if interface is not None:
raise ValueError("interface and dynamic are mutually exclusive")
realInterface = comtypes.automation.IDispatch
elif interface is None:
realInterface = comtypes.IUnknown
else:
realInterface = interface
obj = ctypes.POINTER(realInterface)()
self.__com_CreateInstance(punkouter, realInterface._iid_, ctypes.byref(obj))
if dynamic:
return comtypes.client.dynamic.Dispatch(obj)
elif interface is None:
# An interface was not specified, so return the best.
return comtypes.client.GetBestInterface(obj)
# An interface was specified and obj is already that interface.
return obj
##class IExternalConnection(IUnknown):
## _iid_ = GUID("{00000019-0000-0000-C000-000000000046}")
## _methods_ = [
## STDMETHOD(HRESULT, "AddConnection", [c_ulong, c_ulong]),
## STDMETHOD(HRESULT, "ReleaseConnection", [c_ulong, c_ulong, c_ulong])]
# The following code is untested:
ACTIVEOBJECT_STRONG = 0x0
ACTIVEOBJECT_WEAK = 0x1
oleaut32 = ctypes.oledll.oleaut32
def RegisterActiveObject(comobj, weak=True):
punk = comobj._com_pointers_[comtypes.IUnknown._iid_]
clsid = comobj._reg_clsid_
if weak:
flags = ACTIVEOBJECT_WEAK
else:
flags = ACTIVEOBJECT_STRONG
handle = ctypes.c_ulong()
oleaut32.RegisterActiveObject(punk,
ctypes.byref(clsid),
flags,
ctypes.byref(handle))
return handle.value
def RevokeActiveObject(handle):
oleaut32.RevokeActiveObject(handle, None)
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