Linked Params in Actions vs Python 2005-05-03 - By Patrick Boucher
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Patrick Boucher wrote:
> Hello all,
>
> In a scene I have Actions that contain linked parameters. I need to
> get to these linked params through scripting but my script triggers
> errors in XSI. Here is a simplified version of it:
>
> -- --- Start Script -- ---
> Application.SelectObj("Sources.Animation.Model.SpherePosY", "", "")
>
> for i in Application.Selection:
> for s in i.SourceItems:
> Application.LogMessage(s.Type)
> Application.LogMessage(Application.ClassName(s))
> Application.LogMessage(s.Active)
> Application.LogMessage(s.Target)
> src = s.Source
> Application.LogMessage(s.Type)
> -- --- End Script -- ---
>
> The code dies on the line before last. If the source is an FCurve
> instead of an expression (linked param) it works allright.
>
> A test scene describing the issue is available at
> http://www.buzzimage/~patrickb/L_Fcv_Bug.zip
>
> Any ideas???
>
Hmmm Yeah, script output might be nice!
-- --- Script Output -- ---
Application.SelectObj("Sources.Animation.Model.SpherePosY", "", "")
#INFO : ExpressionAnimItem
#INFO : AnimationSourceItem
#INFO : True
#INFO : sphere.kine.local.posy
#ERROR : Traceback (most recent call last):
# File "<Script Block >", line 9, in ?
# src = s.Source
# File "C:\Python24\Lib\site-packages\win32com\client\dynamic.py", line
484, in __getattr__
# raise pythoncom.com_error, details
#COM Error: Exception occurred. (0x-7ffdfff7) - [line 9]
-- --- End Output -- ---
If you use Jerry's introspection trick you can clearly see that s should
have a Source property. Introspection of s gives the following:
['Active', 'AddRef', 'Application', 'Categories', 'FullName',
'GetIDsOfNames', 'GetTypeInfo', 'GetTypeInfoCount', 'Help', 'Invoke',
'IsEqualTo', 'Name', 'Origin', 'OriginPath', 'Parent', 'QueryInterface',
'Release', 'SetAsFCurve', 'SetAsStatic', 'Source', 'Target', 'Type',
'UniqueName']
--
Patrick Boucher
TD - Coder - Resident geek
Buzz Image Group
Tel 514.848.0579
Fax 514.848.6371
www.buzzimage.com
www.xsi-blog.com
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