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| author | Guido van Rossum <guido@python.org> | 2003-02-13 16:30:16 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2003-02-13 16:30:16 (GMT) |
| commit | 298e4214538a7196c27ec22b1f01506fdb3c4039 (patch) | |
| tree | 6d75d061df43965e30b132c378802c5488fd8f64 /Misc | |
| parent | 0c016a9590b3da47f19420d0616e0c72cae19abf (diff) | |
| download | cpython-298e4214538a7196c27ec22b1f01506fdb3c4039.zip cpython-298e4214538a7196c27ec22b1f01506fdb3c4039.tar.gz cpython-298e4214538a7196c27ec22b1f01506fdb3c4039.tar.bz2 | |
SF patch #685738 by Michael Stone.
This changes the default __new__ to refuse arguments iff tp_init is the
default __init__ implementation -- thus making it a TypeError when you
try to pass arguments to a constructor if the class doesn't override at
least __init__ or __new__.
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -12,6 +12,12 @@ What's New in Python 2.3 alpha 2? Core and builtins ----------------- +- If a new-style class defines neither __new__ nor __init__, its + constructor would ignore all arguments. This is changed now: the + constructor refuses arguments in this case. This might break code + that worked under Python 2.2. The simplest fix is to add a no-op + __init__: "def __init__(self, *args, **kw): pass". + - Through a bytecode optimizer bug (and I bet you didn't even know Python *had* a bytecode optimizer :-), "unsigned" hex/oct constants with a leading minus sign would come out with the wrong sign. |