On Sat, Mar 2, 2013 at 10:40 AM, bvdp <b...@mellowood.ca> wrote: > Every time I write a program with exception handling (and I suppose that > includes just about every program I write!) I need to scratch my brain when I > create try blocks. > > For example, I'm writing a little program do copy specific files to a USB > stick. To do the actual copy I'm using: > > try: > shutil.copy(s, os.path.join(usbpath, songname)) > except ... > > now, I need to figure out just what exceptions to handle. Let's see: > > IOError that means that the disk is full or otherwise buggered. Better > dump out of the loop. > > But, I know there can be other errors as well. Doing some tests, I know that > certain filenames are invalid (I think a "?" or unicode char is invalid when > writing to a FAT32 filesystem). And, so what exception is that? Without > actually creating the error, I can't figure it out.
OSError. In Python 3, I expect it would more specifically be a FileNotFoundError, which is a subclass of OSError. > In this case, I can run the program an number of times and parse out the > errors and write code to catch various things. But, I think I'm missing > something completely. Guess what I'm looking for is a list of possible > (probable?) errors for the shutil.copy() command. And, in a much bigger > manual, for most other commands. OSError will cover a wide swath of possible exceptions here. -- http://mail.python.org/mailman/listinfo/python-list
