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Again perhaps the end of [#460020] bug or feature: unicode() and subclasses.

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Inhibited complex unary plus optimization when applied to a complex subtype.
Added PyComplex_CheckExact macro.  Some comments and minor code fiddling.
This commit is contained in:
Tim Peters 2001-09-12 19:12:49 +00:00
parent 1140cb2b9e
commit 2400fa4ad1
4 changed files with 45 additions and 12 deletions
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24
Lib/test/test_descr.py
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@ -1430,6 +1430,30 @@ def inherits():
verify(hash(a) == hash(12345.0))
verify((+a).__class__ is float)
class madcomplex(complex):
def __repr__(self):
return "%.17gj%+.17g" % (self.imag, self.real)
a = madcomplex(-3, 4)
verify(repr(a) == "4j-3")
base = complex(-3, 4)
verify(base.__class__ is complex)
verify(complex(a) == base)
verify(complex(a).__class__ is complex)
a = madcomplex(a) # just trying another form of the constructor
verify(repr(a) == "4j-3")
verify(complex(a) == base)
verify(complex(a).__class__ is complex)
verify(hash(a) == hash(base))
verify((+a).__class__ is complex)
verify((a + 0).__class__ is complex)
verify(a + 0 == base)
verify((a - 0).__class__ is complex)
verify(a - 0 == base)
verify((a * 1).__class__ is complex)
verify(a * 1 == base)
verify((a / 1).__class__ is complex)
verify(a / 1 == base)
class madtuple(tuple):
_rev = None
def rev(self):