Dealing with exceptions

[Terry Reedy]

On 3/2/2013 5:16 PM, Chris Angelico wrote:
> On Sun, Mar 3, 2013 at 8:23 AM, Terry Reedy <tjreedy at udel.edu> wrote:
>>>>> open('sdjhfjshdfkjsh')
>> Traceback (most recent call last):
>>    File "<pyshell#2>", line 1, in <module>
>>      open('sdjhfjshdfkjsh')
>> FileNotFoundError: [Errno 2] No such file or directory: 'sdjhfjshdfkjsh'
>>
>> Now, does shutil pass on FileNotFoundError? I will let you experiment.
>>
>> There are error conditions that are hard to generate, but a bad file name is
>> not one of them.
>
> That's actually a perfectly valid file name, but one that doesn't
> happen to have a corresponding file. However, the same technique will
> work with the OP's description of "a filename which the FAT32 didn't
> like" too.

Yeah, that gives a different error and message.
 >>> open('a~`!@#$%^&*()_-+={[}]|\<,>.?/')
Traceback (most recent call last):
   File "<pyshell#3>", line 1, in <module>
     open('a~`!@#$%^&*()_-+={[}]|\<,>.?/')
OSError: [Errno 22] Invalid argument: 'a~`!@#$%^&*()_-+={[}]|\\<,>.?/'


-- 
Terry Jan Reedy