very nice! I was looking at pyjd a while back but didn't like the gtk dependency. Any posibility on porting hulahop to windows?
~Gerdus On Mon, Aug 3, 2009 at 12:22 AM, lkcl<l...@lkcl.net> wrote: > > hi there, > > from about a dozen different sources i've managed to put together something > similar to the old ctypes atl.py example. the purpose of the exercise is to > create a port of pyjamas-desktop to MSHTML, and to do that, i need a GDK > window in which an IWebBrowser2 COM object is the only object, and then to > get access to its Document. > > i'll be committing the code as free software in the next few days to the svn > repository for http://pyjs.org but i wanted to point people at this example > code in the mean time: > http://lkcl.net/pyjamas - ie_in_gtk.py and ie_in_win.py > > as you can see they're a bit of a mess because i took stuff from a boat-load > of different places and just whopped it all together until something worked > how i wanted. > > now that i have the proof-of-concept, i'll be quickly moving on to encompass > absolutely every single bit of the MSHTML DOM model and i do mean absolutely > all of it (and including XMLHttpRequest). the reason is that > pyjamas-desktop relies on manipulation of the DOM model to create the widget > set API. currently supported is XULRunner and pywebkitgtk but win32 users > are left out in the cold somewhat so... MSHTML-time it is. > > what's particularly strategically important is that the intermediate DOM > wrapper classes, of which there are two (pyjd/hula.py and > pyjd/pywebkitgtk.py) make the DOM look *absolutely identical* as far as the > interface is concerned. i'll be adding an _mshtml.py wrapper which - again > - makes the DOM look utterly and 100% identical to the other two. > > just to emphasise that in a different way: with these three DOM wrapper > modules it will be possible to write python web browser engine applications > that will work across a ton of different platforms, whether they be Win32, > Mac, GNU/Linux, FreeBSD or embedded devices. > > the wrapper class, _mshtml.py, it's worth noting, will take care of COM > "coclass" interfaces. one of the lairy daft messes in MSHTML.IDL is the > melding of different COM interfaces, and you're expected to either know or > remember what to do, typecasting objects using QueryInterface to the right > type, before accessing the required property or function. > > ... i can't be bothered with that kind of crap :) > > so, the _mshtml.py class will take care of it, and so instead of this: > > style.left = 0 > style2 = style.QueryInterface(MSHTML.IHTMLStyle2) > style2.position = "absolute" > > you just do this: > > style.left = 0 > style.position = "absolute" > > ahhhh, peace of miiind :) > > behind the scenes, there's a coclass wrapper which inherits from the > necessary classes (in this case, _mshtml.IHTMLStyle2, _mshtml.IHTMLStyle3 > .... etc.) and each of those classes has properties: > > def _get_position(self): > return wrap(self.__get_instance_IHTMLStyle3().position > position = property(self._get_position,....) > > def __get_instance_IHTMLStyle3(self): > return self.__instance__.QueryInterface(MSHTML.IHTMLStyle3) > > etc. etc. > > so - not blazingly efficient, but that's the price to pay for convenience. > > if you're interested, keep an eye on http://pyjs.org svn repository, > pyjamas/pyjd subdirectory, over the next few days. > > l. > -- > View this message in context: > http://www.nabble.com/MSHTML-wrapper-class-and-example-using-IWebBrowser2-tp24782740p24782740.html > Sent from the Python - python-win32 mailing list archive at Nabble.com. > > _______________________________________________ > 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
