Python bugs

[Bjorn Pettersen]

>     Python 1.5.2 (#0, Apr 13 1999, 10:51:12) [MSC 32 bit 
> (Intel)] on win32
>     Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>     >>> import os
>     >>> {}.update(os.environ)
>     Traceback (innermost last):
>       File "<stdin>", line 1, in ?
>     TypeError: dictionary, instance
>     >>> import shelve
>     >>> s = shelve.open('foo')
>     >>> s.get('bar', 'baz')
>     Traceback (innermost last):
>       File "<stdin>", line 1, in ?
>     AttributeError: get
>     >>> 
> 
> I believe os.environ is a class to allow constructs like
> 
>     os.environ["FOO"] = "PYTHON"
> 
> to work like
> 
>     os.putenv("FOO", "PYTHON")
> 

Which is a good thing, but shouldn't preclude it from being used as a
dictionary in the update statement (although the fix probably have to be to
Dict.update rahter than os.environ).

> with regard to setting or changing the values of environment 
> variables.
> 
> The lack of a get attribute in shelve objects seems to have 
> been rectified
> since the 1.5.2 release:
> 
>     >>> db = shelve.BsdDbShelf (bsddb.btopen("/var/tmp/foo2", "c"))
>     >>> db["1"] = 1
>     >>> db.keys()
>     ['1']
>     >>> db.get("1", 0)
>     1
>     >>> db.get("2", 0)
>     0                        

Cool (do you know if you can do db.items() also? -- found that one five
minutes ago...)

-bjorn