Ed Blake schrieb:
> I just tested under comtypes 0.3 and 0.4 with Autocad 2008. I get this
> exception for both when using CreateObject:
> ######################################################################
>>>> acad = client.CreateObject("AutoCAD.Application")
> Traceback (most recent call last):
> File "<input>", line 1, in <module>
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 203,
> in CreateObject
> return _manage(obj, clsid, interface=interface)
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 171,
> in _manage
> obj = wrap(obj)
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 122,
> in wrap
> typeattr = tinfo.GetTypeAttr()
> File "D:\Python25\Lib\site-packages\comtypes\typeinfo.py", line 262, in
> GetTypeAttr
> return _deref_with_release(self._GetTypeAttr(), self.ReleaseTypeAttr)
> COMError: (-2147418111, 'Call was rejected by callee.', (None, None, None, 0,
> None))
> ######################################################################
>
> I think this happens because comtypes is trying to talk to Autocad before it
> is finished its post startup initialization (loading modules, CUI, lisp
> files).
Hm, is this a bug in Autocad, or is comtypes behaving wrong here; does this
error code mean we have to wait a little and retry the call? How do other
COM clients, like VB or pywin32, behave?
> Using client.GetActiveObject on the other hand successfully generates the
> Autocad modules and returns a pointer to the first running instance. It
> doesn't work if Autocad isn't running though.
>
> BTW Thomas: I had to switch back to version 0.3.3 because something broke
> between that version and the current.
With this remark I assume you mean the code below, right?
> When I try to get a pointer to
> Microstation under 0.4.1 I get this:
> ######################################################################
>>>> usta = client.GetActiveObject("MicroStationDGN.Application")
> # Generating comtypes.gen._CF9F97BF_39F2_4B8E_835C_8BE9E99DAF5B_0_8_0
> Traceback (most recent call last):
> File "<input>", line 1, in <module>
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 166,
> in GetActiveObject
> return _manage(obj, clsid, interface=interface)
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 171,
> in _manage
> obj = wrap(obj)
> File "D:\Python25\Lib\site-packages\comtypes\client\__init__.py", line 134,
> in wrap
> mod = GetModule(tlib)
> File "D:\Python25\lib\site-packages\comtypes\client\_generate.py", line
> 100, in GetModule
> is_current, mod = _CreateWrapper(tlib, pathname)
> File "D:\Python25\lib\site-packages\comtypes\client\_generate.py", line
> 218, in _CreateWrapper
> mod = _my_import(fullname)
> File "D:\Python25\lib\site-packages\comtypes\client\_generate.py", line 14,
> in _my_import
> return __import__(fullname, globals(), locals(), ['DUMMY'])
> File
> "D:\Python25\lib\site-packages\comtypes\gen\_CF9F97BF_39F2_4B8E_835C_8BE9E99DAF5B_0_8_0.py",
> line 223, in <module>
> ( ['retval', 'out'], POINTER(_midlSAFEARRAY(POINTER(_DataBlock))), 'pVal'
> )),
> File "D:\Python25\Lib\site-packages\comtypes\safearray.py", line 18, in
> _midlSAFEARRAY
> sa_type = _make_safearray_type(itemtype)
> File "D:\Python25\Lib\site-packages\comtypes\safearray.py", line 46, in
> _make_safearray_type
> raise TypeError(itemtype)
> TypeError: <class 'comtypes.POINTER(_DataBlock)'>
> ######################################################################
>
> Something to do with the safearray refactor?
In comtypes 0.4.1, safearrays containing com pointers are not implemented.
They are, though, in the current SVN version. I wanted to release the next
version
after another MicroStation bug was examined, but the OP did not yet respond to
my question. Maybe you can help; or I should release anyway? See
http://sourceforge.net/tracker/index.php?func=detail&aid=1919272&group_id=115265&atid=692940
Thomas
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