Do the same thing to complex that I did to str: the rich comparison
function returns NotImplemented when comparing objects whose
tp_richcompare slot is not itself.
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index ed3cea4..42e1384 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1863,6 +1863,21 @@
def rich_comparisons():
if verbose:
print "Testing rich comparisons..."
+ class Z(complex):
+ pass
+ z = Z(1)
+ verify(z == 1+0j)
+ verify(1+0j == z)
+ class ZZ(complex):
+ def __eq__(self, other):
+ try:
+ return abs(self - other) <= 1e-6
+ except:
+ return NotImplemented
+ zz = ZZ(1.0000003)
+ verify(zz == 1+0j)
+ verify(1+0j == zz)
+
class classic:
pass
for base in (classic, int, object, list):