[pywin32-checkins] pywin32/com/win32com/server policy.py,1.17,1.18

[Mark H. <mha...@us...>]

Update of /cvsroot/pywin32/pywin32/com/win32com/server
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9321

Modified Files:
	policy.py 
Log Message:
Implement GetTypeInfo and GetTypeInfoCount in the default policy.  This
will provide type info referenced via _typelib_guid_.
See the pippo sample


Index: policy.py
===================================================================
RCS file: /cvsroot/pywin32/pywin32/com/win32com/server/policy.py,v
retrieving revision 1.17
retrieving revision 1.18
diff -C2 -d -r1.17 -r1.18
*** policy.py	12 Mar 2004 08:46:18 -0000	1.17
--- policy.py	7 Sep 2004 02:15:07 -0000	1.18
***************
*** 522,525 ****
--- 522,556 ----
           self._dispid_to_func_[dispid] = name
           dispid = self._allocnextdispid(dispid)
+     self._typeinfos_ = None # load these on demand.
+ 
+   def _build_typeinfos_(self):
+     # Can only ever be one for now.
+     tlb_guid = getattr(self._obj_, '_typelib_guid_', None)
+     if tlb_guid is None:
+       return []
+     tlb_major, tlb_minor = getattr(self._obj_, '_typelib_version_', (1,0))
+     tlb = pythoncom.LoadRegTypeLib(tlb_guid, tlb_major, tlb_minor, lcid)
+     typecomp = tlb.GetTypeComp()
+     # Not 100% sure what semantics we should use for the default interface.
+     # Look for the first name in _com_interfaces_ that exists in the typelib.
+     for iname in self._obj_._com_interfaces_:
+       try:
+         type_info, type_comp = typecomp.BindType(iname)
+         return [type_info]
+       except pythoncom.com_error:
+         pass
+     return []
+ 
+   def _GetTypeInfoCount_(self):
+     if self._typeinfos_ is None:
+       self._typeinfos_ = self._build_typeinfos_()
+     return len(self._typeinfos_)
+   
+   def _GetTypeInfo_(self, index, lcid):
+     if self._typeinfos_ is None:
+       self._typeinfos_ = self._build_typeinfos_()
+     if index < 0 or index >= len(self._typeinfos_):
+       raise COMException(scode=winerror.DISP_E_BADINDEX)
+     return 0, self._typeinfos_[index]
  
    def _allocnextdispid(self, last_dispid):