[python-win32] Python COM User Defined Types

[Jens B. Jorgensen]

Is there any pre-requisite for the Record call (aside from having the 
makepy-generated module available)? I tried this and it wouldn't work 
for me (UDT defined in VB ActiveX dll):

 >>> from win32com.client import Record
 >>> from win32com.client import Dispatch
 >>> o = Dispatch('udttest.mainclass')
 >>> r = Record('TheUDT', o)
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "C:\Python22\Lib\site-packages\win32com\client\__init__.py", line 
295, in
 Record
    struct_guid = module.RecordMap[name]
AttributeError: 'module' object has no attribute 'RecordMap'
 >>>

Mark Hammond wrote:

>>How can I create variables in my Python code and use them when calling the
>>WriteMsg2 method (below)?
>>    
>>
>
>You would write:
>
>    # Create a new structure
>    s = win32com.client.Record("StructName", object)
>
>where 'object' is (any) COM object from the library you are using - eg, the
>object with the WriteMsg2 method.
>
>  
>
>>Why do I not get a list of
>>available constants when I type "win32com.clients.constants."
>>    
>>
>
>These constants are only available once the generated code for the COM
>object has been imported.  This is generally done by one of the gencache
>modules, or even by normal "Dispatch()", assuming makepy has been run
>manually.  ie, the constants will only be available after the object has
>been created.
>
>  
>
>>Typically after
>>entering the period at the end of an object I am presented
>>with a list of attributes/constants/methods.
>>    
>>
>
>Clever, eh? <wink>
>
>  
>
>>I am concerned by these lines from the file generated by makepy:
>># The following 3 lines may need tweaking for the particular server
>># Candidates are pythoncom.Missing and pythoncom.Empty
>>defaultNamedOptArg=pythoncom.Missing
>>defaultNamedNotOptArg=pythoncom.Missing
>>defaultUnnamedArg=pythoncom.Missing
>>
>>I do not know what to do about the pythoncom.Missing and pythoncom.Empty
>>candidates.  What should be done about them?
>>    
>>
>
>Ignore them.  I should remove the generated comment.
>
>  
>
>>Can I simply create an object of type StackObj like this:
>>myStack = StackObj()
>>    
>>
>
>Nope - like above.
>
>Mark.
>
>
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>  
>

-- 
Jens B. Jorgensen
jens.jorgensen@tallan.com

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