[python-win32] COM, Acrobat and JavaScript
Joshua Reynolds
joshuar@isogen.com
Wed, 06 Mar 2002 10:02:34 -0600
That worked. What is this list for?
Thanks for your help,
Joshua
Mark Hammond wrote:
> The other alternative is to modify win32com\client\dynamic.py. Near the top
> of the file, find the list ERRORS_BAD_CONTEXT. Try adding
> winerror.E_NOTIMPL to this list and see if it solves the problem.
>
> Mark.
>
>
>>-----Original Message-----
>>From: Joshua Reynolds [mailto:joshuar@isogen.com]
>>Sent: Wednesday, 6 March 2002 2:43 AM
>>To: Mark Hammond
>>Cc: python-win32@python.org
>>Subject: Re: [python-win32] COM, Acrobat and JavaScript
>>
>>
>>I've already tried that and it doesn't seem to get me anything. I run
>>makepy and it generates the file, but when I print out the objects I get
>>they are still <COMObject AcroExch.App> or <COMObject <unknown>>.
>>
>>In the Acrobat documentation they say they don't define any interface
>>for the JSObject, just use IDispatch. I don't know if this helps, but
>>the only difference I can tell between the JSObject and any of their
>>other interfaces etc. is that the JSOBject return type from the
>>getJSOBject call is defined as LDispatch* (is this a typo and supposed
>>to say LPDispatch*) whereas all of the other com objects are returned as
>>types LPDispatch (no *). I am kind of blissfully ignorant of the magic
>>that is going on in the python com mapping.
>>
>>Oh yeah, I am running Python 2.2 with the build 146.
>>
>>Any other suggestions?
>>
>>Thanks a million,
>>
>>Joshua
>>
>>Mark Hammond wrote:
>>
>>>Try running makepy over the Acrobat type library. Look for
>>>
>>documentation on
>>
>>>makepy in the COM readme.
>>>
>>>Mark,
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: python-win32-admin@python.org
>>>>[mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
>>>>Sent: Tuesday, 5 March 2002 8:01 AM
>>>>To: python-win32
>>>>Subject: [python-win32] COM, Acrobat and JavaScript
>>>>
>>>>
>>>>
>>>>
>>>>Problem:
>>>>
>>>>The functionality that I need to use from Acrobat is on a javascript
>>>>object (returned type defined in the Automation interface as an
>>>>LDispatch*). I haven't had any problems using any of their other OLE
>>>>components through python, but when I try to use the root javascript
>>>>object -- or any other javascript objects accessed through it.
>>>>
>>>>I can get at all of the attributes on the javascript objects, but if I
>>>>try to call a method on it, it fails.
>>>>
>>>>Here is the full calling sequence that brings me to failure
>>>>
>>>>
>>>>>>>from win32com.client import Dispatch
>>>>>>>app = Dispatch("AcroExch.App")
>>>>>>>app
>>>>>>>
>>>><COMObject AcroExch.App>
>>>>
>>>>>>>pddoc = Dispatch("AcroExch.PDdoc")
>>>>>>>pddoc.Open("d:\\tmp\\cn_final.pdf")
>>>>>>>
>>>>1
>>>>
>>>>>>>jso = pddoc.getJsobject
>>>>>>>jso
>>>>>>>
>>>><COMObject <unknown>>
>>>>
>>>>>>>jso.app.formsVersion
>>>>>>>
>>>>5.0
>>>>
>>>>>>>jso.console.Show
>>>>>>>
>>>>Traceback (most recent call last):
>>>> File "<interactive input>", line 1, in ?
>>>> File
>>>>"D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
>>>>line 432, in __getattr__
>>>> raise pythoncom.com_error, details
>>>>com_error: (-2147467263, 'Not implemented', None, None)
>>>>
>>>>in the above, app.formsVersion is an attribute, and console.Show is a
>>>>parameterless method.
>>>>
>>>>Here are some potentially useful snippets from the Acrobat docs on using
>>>>the JSObject in Visual Basic.
>>>>
>>>>
>>>>
>>>>6. JSObject always returns values as Variants. This includes property
>>>>gets as well as
>>>>return values from method calls. An empty Variant is used when a null
>>>>return value
>>>>is expected. When JSObject returns an array, each element in the array
>>>>is a
>>>>Variant. To determine the actual data type of a Variant, use the utility
>>>>functions
>>>>IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
>>>>module of the VBA library.
>>>>7. JSObject can process most elemental Visual Basic types for property
>>>>puts and
>>>>input parameters to method calls, including Variant, Array, Boolean,
>>>>String, Date,
>>>>Double, Long, Integer, and Byte. JSObject can accept Object parameters,
>>>>but only
>>>>when the Object was the result of a property get or method call to a
>>>>JSObject.
>>>>JSObject fails to accept values of type Error and Currency.
>>>>
>>>>I have verified that I can access the methods on JSObject as well as
>>>>subObjects, but I would really really like to be able to use this stuff
>>>>through python.
>>>>
>>>>Any ideas on how i can get access to any of those methods?
>>>>
>>>>
>>>>
>>>>Thanks,
>>>>Joshua
>>>>
>>>>
>>>>
>>>>--
>>>>Joshua Reynolds | Consultant
>>>>
>>>>Isogen International
>>>>Office: 512-302-9879
>>>>Main: 512-380-0347
>>>>Cell: 512-743-3865
>>>>1016 La Posada Suite 240
>>>>Austin, TX 78752
>>>>
>>>>
>>>>_______________________________________________
>>>>Python-win32 mailing list
>>>>Python-win32@python.org
>>>>http://mail.python.org/mailman/listinfo/python-win32
>>>>
>>>>
>>>
>>>_______________________________________________
>>>Python-win32 mailing list
>>>Python-win32@python.org
>>>http://mail.python.org/mailman/listinfo/python-win32
>>>
>>>
>>>
>>>
>>
>>--
>>Joshua Reynolds | Consultant
>>
>>Isogen International
>>Office: 512-302-9879
>>Main: 512-380-0347
>>Cell: 512-743-3865
>>1016 La Posada Suite 240
>>Austin, TX 78752
>>
>>
>
>
>
--
Joshua Reynolds
ISOGEN International, LLC
1016 La Posada Suite 240
Austin, TX 78752
Main: +(1) 512-380-0347
Office: +(1) 512-302-9879
Fax: +(1) 512-380-0429
Cell: +(1) 512-743-3865