On Thu, 06 Dec 2012 03:22:53 +0000, Rotwang wrote: > On 06/12/2012 00:19, Bruno Dupuis wrote: >> [...] >> >> Another advice: never ever >> >> except XXXError: >> pass >> >> at least log, or count, or warn, or anything, but don't pass. > > Really? I've used that kind of thing several times in my code. For > example, there's a point where I have a list of strings and I want to > create a list of those ints that are represented in string form in my > list, so I do this: > > listofints = [] > for k in listofstrings: > try: > listofints.append(int(k)) > except ValueError: > pass > > Another example: I have a dialog box with an entry field where the user > can specify a colour by entering a string, and a preview box showing the > colour. I want the preview to automatically update when the user has > finished entering a valid colour string, so whenever the entry field is > modified I call this: > > def preview(*args): > try: > previewbox.config(bg = str(entryfield.get())) > except tk.TclError: > pass > > Is there a problem with either of the above? If so, what should I do > instead?
They're fine. Never, ever say that people should never, ever do something. *cough* -- Steven -- http://mail.python.org/mailman/listinfo/python-list
