os.listdir() exceptions

[Daniel B. Thurman]

Is os.listdir(path) the only method available for obtaining
directory/file list for the given path argument?

The reason I am asking is this: what if one wishes to obtain
a listing of, say the root directory (/), and in the case of using
the linux os, for example, one may encounter a directory
called: /.dbus, which is owned by root and not accessible
to a normal user, and may cause os.listdir() to throw an
OS.Error (permission denied) exception and to subsequently
terminate the os.listdir() method.

How does one get around this exception, to allow os.listdir()
to continue and to ignore these exceptions, whatever they
are, so that these exceptions can be handled with further
code as desired by the programmer?

I am tempted to use a pipe with /usr/bin/ls to get around
os.listdir(path), but this could break portability with other
os platforms?

Does anyone have an idea or a solution?

Thanks!
Dan

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[Daniel B. Thurman]

On 10/24/2009 08:30 AM, Daniel B. Thurman wrote:

> Is os.listdir(path) the only method available for obtaining
> directory/file list for the given path argument?
>
> The reason I am asking is this: what if one wishes to obtain
> a listing of, say the root directory (/), and in the case of using
> the linux os, for example, one may encounter a directory
> called: /.dbus, which is owned by root and not accessible
> to a normal user, and may cause os.listdir() to throw an
> OS.Error (permission denied) exception and to subsequently
> terminate the os.listdir() method.
>
> How does one get around this exception, to allow os.listdir()
> to continue and to ignore these exceptions, whatever they
> are, so that these exceptions can be handled with further
> code as desired by the programmer?
>
> I am tempted to use a pipe with /usr/bin/ls to get around
> os.listdir(path), but this could break portability with other
> os platforms?
>
> Does anyone have an idea or a solution?
>
> Thanks!
> Dan
>
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list@...
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
>  

Ah, ok.

I think I figured it out and it was a no-brainer!

try:
   # Even if an exception is thrown,
   # it obtains all the file lists anyway
   files = os.listdir(path)
except:
   # Handle specifics here or
   pass

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[Emmanuele Bassi]

On Sat, 2009-10-24 at 08:30 -0700, Daniel B. Thurman wrote:
> Is os.listdir(path) the only method available for obtaining
> directory/file list for the given path argument?

how is this relevant to gtk+ application development?

ciao,
 Emmanuele.

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[Daniel B. Thurman]

On 10/25/2009 04:46 AM, Emmanuele Bassi wrote:

> On Sat, 2009-10-24 at 08:30 -0700, Daniel B. Thurman wrote:
>  
>> Is os.listdir(path) the only method available for obtaining
>> directory/file list for the given path argument?
>>    
> how is this relevant to gtk+ application development?
>
> ciao,
>  Emmanuele.
>
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> gtk-app-devel-list@...
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>  

Indirectly?  I am working on a GTK+ application and
just threw it out there so... sorry to bust your bubble. ;)

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