[continuing on answering my own questions in case someone else encounters
this problem in the future]
So the answer to the logging question is that the logging output goes
whereever you configure it to go to! I had a deep-rooted assumption
(incorrect) that the diagnostic output was viewable with the windows trace
tool in pythonwin (this is true for pythoncom aka win32com)
logging.basicConfig(filename='C:/ftp/action.log',level=logging.DEBUG)
logging.getLogger('.').setLevel(logging.DEBUG)
The problem quickly reveals itself and it seems that my class is not
implementing IUnknown.
Traceback (most recent call last):
File "C:\Python26\lib\site-packages\comtypes\_comobject.py", line 62,
in
call_with_this
result = mth(*args, **kw)
File "C:\Python26\lib\site-packages\comtypes\server\inprocserver.py",
line 23, in IClassFactory_CreateInstance
result = self._cls().IUnknown_QueryInterface(None, riid, ppv)
AttributeError: 'Action' object has no attribute
'IUnknown_QueryInterface'
I assume that I have messed up some of the attributes in my implmentation
class. My assumption is that if I want to implement the ISmartTagAction
from MSTAG.TLB ({9B92EB61-CBC1-11D3-8C2D-00A0CC37B591}), that I derive
from comtypes.gen.SmartTagLib.ISmartTagAction and implement all the
entry-points (cut and paste and uncomment from the code template in the
comments of the file in comtypes.gen)
Full diagnostic output (what a joy to have debug now!) appended.
pjjH
DEBUG:comtypes.server.inprocserver:insert path u'C:\\ftp'
DEBUG:comtypes.server.inprocserver:modname: action_123, classname Action
DEBUG:comtypes.server.inprocserver:Found class <class 'action_123.Action'>
DEBUG:comtypes._comobject:<comtypes.server.inprocserver.ClassFactory
object at 0x02791950>.QueryInterface({00000001-0000-0000-C000-0
00000000046}) -> S_OK
DEBUG:comtypes._comobject:1 active COM objects: Added
<comtypes.server.inprocserver.ClassFactory object at 0x02791950>
DEBUG:comtypes._comobject:<comtypes.server.inprocserver.ClassFactory
object at 0x02791950>.AddRef() -> 1
DEBUG:comtypes.server.inprocserver:DllGetClassObject() -> 0
DEBUG:comtypes.server.inprocserver:ClassFactory.CreateInstance({00020400-0000-0000-C000-000000000046})
ERROR:comtypes._comobject:Exception in IClassFactory.CreateInstance
implementation:
Traceback (most recent call last):
File "C:\Python26\lib\site-packages\comtypes\_comobject.py", line 62, in
call_with_this
result = mth(*args, **kw)
File "C:\Python26\lib\site-packages\comtypes\server\inprocserver.py",
line 23, in IClassFactory_CreateInstance
result = self._cls().IUnknown_QueryInterface(None, riid, ppv)
AttributeError: 'Action' object has no attribute 'IUnknown_QueryInterface'
DEBUG:comtypes:Release <POINTER(ICreateErrorInfo) ptr=0x443a4c at 279d170>
DEBUG:comtypes._comobject:<comtypes.server.inprocserver.ClassFactory
object at 0x02791950>.Release() -> 0
DEBUG:comtypes._comobject:0 active COM objects: Removed
<comtypes.server.inprocserver.ClassFactory object at 0x02791950>
DEBUG:comtypes._comobject:Remaining: []
DEBUG:comtypes:Calling CoUnititialize()
DEBUG:comtypes:CoUnititialize() done.
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