[Python-Dev] File Object Copy

Moshe Zadka Moshe Zadka <moshez@math.huji.ac.il>
Wed, 12 Jul 2000 12:08:26 +0300 (IDT)


On Wed, 12 Jul 2000, Fredrik Lundh wrote:

> footnote: it's definitely an accepted pydiom:

Yes, but one I personally do not like

> 
> aifc.py:
>         if type(f) == type(''):
>             f = __builtin__.open(f, 'rb')
> 
> binhex.py:
>         if type(ofp) == type(''):
>             ofname = ofp
>             ofp = open(ofname, 'w')
> 
> mimify.py:
>  if type(infile) == type(''):
>   ifile = open(infile)
> 
> pstats.py:
>   elif type(arg) == type(""):
>    f = open(arg, 'rb')
> 
> etc.
> 
> it's a reasonable way to make your code a bit more reusable
> (it's rude to expect every chunk of potentially usable data to
> have a filename...).

Of course -- that's why I think most code should use file-like objects.
--
Moshe Zadka <moshez@math.huji.ac.il>
There is no GOD but Python, and HTTP is its prophet.
http://advogato.org/person/moshez