detecting and creating directories

[Steve Holden]

"Angel Asencio" <asencio at mitre.org> wrote in ...
> Greetings:
>
>   I found the module that has the command to make directories, but I
> have not been lucky finding a way  to check for the existance of a
> directory (so it is not there, I can create it).
>
> Any pointers?
>
You should also check that it really is a directory and not just a plain
file! The following code is untested...

import os
path = "/usr/tmp/newdir"
if os.path.exists(path):
    if not os.path.isdir(path):
        raise ValueError, "%s exists but is not a directory" % path
else:
    os.mkdir(path)

regards
 Steve
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