Jan, and others,
my apologies. I don't have time to support comtypes any longer
(apart that I may, from time to time, answer some easy or even
interesting questions on this mailing list).
I don't even have a machine setup so that I can connect to
the sourceforge SVN server, so I cannot commit patches any more.
(If someone wants to take over the project, that would be great).
Thomas
Am 17.04.2012 10:31, schrieb Jan Wedel:
> Hi,
>
> Ive patched comtypes to support COM categories. In my case, an OPC
> client requires categories. It checks the registry for supported
> categories and if not one category is found, it will not support
> interaction with the server even if the server has implemented and
> published all required interfaces.
>
> An object can publish its supported categories which are represented by
> an registry entry.
>
> Ive changed the "comtypes\server\register.py" and added a few lines
> (see diff below). I'm not sure if I used the registry functions
> correctly, but it works for me. Using the following code, you can add a
> new attribute "_reg_catids_" to your python COM class which should be a
> list of GUID strings:
>
> class MyComServer(CoClass):
> (...)
>
> _reg_catids_ = [ '{ FIRST CATID }', '{ SECOND CATID }', ]
>
> (..)
>
> This is probably not the most flexible way to do it (it may support e.g.
> interface objects instead of strings), but for me it works perfectly. It
> would be nice if this could be added to comtypes trunk.
>
> This is the diff:
>
> --- C:/Python26/Lib/site-packages/comtypes/server/register.py.old Mi
> Aug 19 22:17:08 2009
> +++ C:/Python26/Lib/site-packages/comtypes/server/register.py Di Apr
> 17 10:17:47 2012
> @@ -296,6 +296,12 @@
> append(HKCR, "CLSID\\%s\\LocalServer32" % reg_clsid,
> "", "%s %s" % (exe, script))
> else:
> append(HKCR, "CLSID\\%s\\LocalServer32" % reg_clsid,
> "", "%s" % exe)
> +
> + reg_catids = getattr(cls, "_reg_catids_", None)
> + if reg_catids is not None:
> + append(HKCR, "CLSID\\%s\\Implemented Categories" %
> reg_clsid, "", "")
> + for cat_id in reg_catids:
> + append(HKCR, "CLSID\\%s\\Implemented Categories\\%s" %
> (reg_clsid, cat_id), "", "")
>
> # Register InprocServer32 only when run from script or from
> # py2exe dll server, not from py2exe exe server.
>
>
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