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Python (and Python C API): __new__ versus __init__
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>>> x = (1, 2)
>>> x
(1, 2)
>>> x.__init__([3, 4])
>>> x # tuple.__init__ does nothing
(1, 2)
>>> y = [1, 2]
>>> y
[1, 2]
>>> y.__init__([3, 4])
>>> y # list.__init__ reinitialises the object
[3, 4]
As to why they're separate...
How to properly assert that an exception gets raised in pytest?
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platform linux2 -- Python 2.7.6 -- py-1.4.26 -- pytest-2.6.4
collected 7 items
test.py ..FF..F
=================================================================================================== FAILURES ==========================================================...
What are “first class” objects?
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Mehul Kabaria
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answered Oct 28 '08 at 23:49
S.LottS.Lott
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what does the __file__ variable mean/do?
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answered Feb 14 '12 at 3:55
paxdiablopaxdiablo
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Python extending with - using super() Python 3 vs Python 2
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Eric O Lebigot
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answered May 7 '12 at 13:44
matamata
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__FILE__, __LINE__, and __FUNCTION__ usage in C++
... Evan TeranEvan Teran
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3
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
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What is the most efficient/elegant way to parse a flat table into a tree?
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14 Answers
14
Active
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How is __eq__ handled in Python and in what order?
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return self.value == other
a = A()
a.value = 3
b = B()
b.value = 4
a == b
it will print:
A __eq__ called: <__main__.A object at 0x013BA070> == <__main__.B object at 0x013BA090> ?
B __eq__ called: <__main__.B object at 0x013BA090> == 3 ?
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What is the __del__ method, How to call it?
...ts Monica
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answered Sep 26 '09 at 15:58
ilya n.ilya n.
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