Mike Meyer wrote: > Chris <[EMAIL PROTECTED]> writes: > >>Fredrik Lundh wrote: >> >>>Chris <[EMAIL PROTECTED]> wrote: >>> >>> >>>>but more of a basic question following, I was doing the following before: >>>> >>>>method = 'split' # came from somewhere else of course >>>>result = re.__dict__[method].(REGEX, TXT) >>>> >>>>precompiling the regex >>>> >>>>r = compile(REGEX) >>>> >>>>does give an regex object which has the needed methods >>>> >>>>print dir(r) >>>>['__copy__', '__deepcopy__', 'findall', 'finditer', 'match', 'scanner', >>>>'search', 'split', 'sub', 'subn'] >>>> >>>>but how do I evaluate them without explicitly calling them? >>>> >>>>result = r.__???MAGIC???__[method](TXT) >>>> >>>>obviously I am not a Python pro ;) >>> >>>I really don't understand why you think you have to write >>>your RE code that way, but the mechanism you're looking >>>for is getattr: >>> result = getattr(r, method)(TXT) >>> >> >>thanks (also to Steven) for the info, that is exactly what i was >>looking for. >> >>reason is that I built a small UI in which the user may choose if he >>want to do a split, findall (and maybe later others like match or >>search). So the method name comes in "from the UI". I could of course >>use if/elif/else blocks but thought getattr should be shorter and >>easier. I was not really aware of getattr which I was looking for on >>other occations before... > > > So why is the UI returning strings, instead of code objects of some > kind? > > <mike
it is a simple ajax call to a python server doing the re. maybe a bit contrived but it was nice to try python/ajax on a for me useful app to enable easy tryout of regular expressions. if you are interested check out http://cthedot.de/retest/ chris -- http://mail.python.org/mailman/listinfo/python-list
