What's the stack trace for the object reference exception if you run with the -X:ExceptionDetail option?
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rodney Howeedy Sent: Friday, December 05, 2008 3:22 PM To: Discussion of IronPython Subject: Re: [IronPython] 'DispPropertyGet' error returned from read-write COM interop property I found that one and tried before. I didn't have any luck: >>> mytestRun.Field.Item['RN_USER_01'] = 'abc' Traceback (most recent call last): File "<stdin>", line 1, in <module> SystemError: Object reference not set to an instance of an object. >>> print mytestRun.Field.Item['RN_USER_01'] None I couldn't decipher the error so I couldn't figure out what I'm doing wrong. I suspect the folks on this list can. =) Dino Viehland wrote: > Does: > > mytestRun.Field.Item['RN_USER_01'] = 'abc' > > work? > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rodney Howeedy > Sent: Friday, December 05, 2008 3:11 PM > To: [email protected] > Subject: [IronPython] 'DispPropertyGet' error returned from read-write COM > interop property > > Hi everyone, > > I encounter an error with 2.0 RC2 that didn't occur in the same > IronPython code on 2.0 Beta 3. > > I use a factory object from a COM interop assembly that has a read-write > property named "Field". I get a TypeError when I assign a value to this > property (read-write): > >>> mytestRun.Field['RN_USER_01'] = 'abc' > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > TypeError: 'DispPropertyGet' object is unsubscriptable > > >>> print mytestRun.Field['RN_USER_01'] > None > > I imported the same COM interop assembly that worked with 2.0 Beta3. > The interop was converted with tlbimp.exe from a COM API .dll. Here's > the 2.0 Beta3 output: > >>> mytestRun.Field['RN_USER_01'] = 'abc' > >>> print mytestRun.Field['RN_USER_01'] > abc > > My best guess is that IronPython 2.0 RC2 interprets the property as > read-only even though the COM interop assembly defines the property > read-write. The error occurs in IronPython 2.0 RC2 with every COM > interop object with the read-write "Field" property. > > I can read the default assigned value but cannot assign anything. Any > ideas? I'm fresh out of them after trying many permutations of the syntax. > > Thank you, > Rodney Howeedy > Staff Engineer, Sun Microsystems > _______________________________________________ > Users mailing list > [email protected] > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > _______________________________________________ > Users mailing list > [email protected] > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > _______________________________________________ Users mailing list [email protected] http://lists.ironpython.com/listinfo.cgi/users-ironpython.com _______________________________________________ Users mailing list [email protected] http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
