On Wed, Apr 29, 2009 at 9:56 AM, spir <denis.s...@free.fr> wrote:
> Hello,
>
> I have an issue with scopes (namespaces).
> Say I have a source file 'test.py' with the single line:
> print vars() # same with locals()
>
> Now, from the command-line:
>
> s...@o:~/prog/pijnu$ python test.py
> {'__builtins__': <module '__builtin__' (built-in)>, '__name__': '__main__',
> '__file__': 'test.py', '__doc__': None}
>
> Right, but when imported (my question is at the bottom of the output ;-):
>
> s...@o:~/prog/pijnu$ python
> Python 2.5.2 (r252:60911, Oct 5 2008, 19:24:49)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import test
> {'__builtins__': {'IndexError': <type 'exceptions.IndexError'>, 'all':
> <built-in function all>, 'vars': <built-in function vars>, 'SyntaxError':
> <type 'exceptions.SyntaxError'>, 'unicode': <type 'unicode'>,
> [... here 5918 characters ...]
> 'AttributeError': <type 'exceptions.AttributeError'>, 'OverflowError': <type
> 'exceptions.OverflowError'>}, '__name__': 'test', '__file__': 'test.pyc',
> '__doc__': None}
>>>>
>
> Can someone explain?
There is some discussion here:
http://mail.python.org/pipermail/python-3000/2007-March/006161.html
Short answer: __builtins__ is an implementation detail that you should ignore.
Kent
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