diff options
| -rw-r--r-- | Lib/types.py | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Lib/types.py b/Lib/types.py index 9419405..1bb560c 100644 --- a/Lib/types.py +++ b/Lib/types.py @@ -6,6 +6,11 @@ from __future__ import generators import sys +# Iterators in Python aren't a matter of type but of protocol. A large +# and changing number of builtin types implement *some* flavor of +# iterator. Don't check the type! Use hasattr to check for both +# "__iter__" and "next" attributes instead. + NoneType = type(None) TypeType = type ObjectType = object @@ -76,9 +81,6 @@ except TypeError: SliceType = type(slice(0)) EllipsisType = type(Ellipsis) -DictIterType = type(iter({})) -SequenceIterType = type(iter([])) -FunctionIterType = type(iter(lambda: 0, 0)) DictProxyType = type(TypeType.__dict__) del sys, _f, _C, _x # Not for export |