Name
__cmp__
Synopsis
__cmp__(self,other)Any comparison, when its specific special method (__lt__, __gt__, etc.) is absent or returns
NotImplemented, calls
x
.__cmp__(
y
) instead,
as do built-in function
cmp(
x,y
)
and the sort method of list objects. __cmp__ should return -1 if
x is less than
y, 0 if
x is equal to
y, or 1 if
x is greater than
y. When __cmp__ is
also absent, order comparisons (<,
<=, >,
>=) raise exceptions. Equality comparisons
(= =, !=), in this case, become
identity checks: x
==
y evaluates
id(
x
)==id(
y
) (i.e.,
x
is
y).
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