Detect file existance before open?

[greg andruk]

In nnmh:python, Gordon McMillan <gmcm at hypernet.com> wrote:

> greg andruk wrote:
>> In nnmh:python, Bill Rodgers <Bill at nospam.com> wrote:
>> 
>> > I would like to check for the existance of a file before I
>> > attempt an open and maybe throw an exception.  I don't see a
>> > way to do this.
>> 
>> os.stat() will do the job.

>>>> os.stat('kablooie')
> Traceback (innermost last):
>   File "<interactive input>", line 1, in ?
> OSError: [Errno 2] No such file or directory: 'kablooie'
>>>> 

Right, it throws an exception, just what was asked for.  And on
success, the permissions and file/dir/etc. status are available.