Hi Anthony, I almost missed your post. I didn't know this. Thanks!
On Monday, 24 June 2013 02:52:01 UTC+1, Anthony wrote: > > FYI, you can do: > > myint = request.args(0, default=0, cast=int, otherwise='http://error_url') > > The default value is returned if there is no arg at the index specified. > If there is an arg, it attempts to use the function provided in cast to > convert the arg. If that fails, it redirects to the URL specified in > otherwise. > > I think all but the "default" argument is documented here: > http://web2py.com/books/default/chapter/29/03?search=cast#An-image-blog, > though would probably make sense to add documentation to the Core chapter > where request.args is discussed, as the Overview chapter is a tutorial and > not intended as a reference. > > Anthony > > On Sunday, June 23, 2013 6:26:04 PM UTC-4, villas wrote: >> >> However, I must admit, as there isn't a built in function, I find the >> code more transparent like this... >> >> try: >> myint = int(request.args(0)) >> except: >> myint = None >> >> or if we are testing whether this is a valid id... >> >> myvalidrecord = db.mytable(request.args(0)) >> If not myvalidrecord: >> session.flash = 'record not found' >> redirect(URL()) >> >> I suppose it's mainly a question of personal preference, but, having >> functions calling other functions can cause confusion when you posting code >> to the group. >> Thanks, D >> > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
