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News about from...import.

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Guido van Rossum 2001-01-12 16:25:08 +00:00
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@ -3,6 +3,17 @@ What's New in Python 2.1 alpha 1?
Core language, builtins, and interpreter
- Two changes to from...import:
1) "from M import X" now works even if M is not a real module; it's
basically a getattr() operation with AttributeError exceptions
changed into ImportError.
2) "from M import *" now looks for M.__all__ to decide which names to
import; if M.__all__ doesn't exist, it uses M.__dict__.keys() but
filters out names starting with '_' as before. Whether or not
__all__ exists, there's no restriction on the type of M.
- File objects have a new method, xreadlines(). This is the fastest
way to iterate over all lines in a file: