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authorJeremy Hylton <jeremy@alum.mit.edu>2002-07-12 15:42:10 (GMT)
committerJeremy Hylton <jeremy@alum.mit.edu>2002-07-12 15:42:10 (GMT)
commit98013be7977c613d8a1c5f0446a73d100ccc7b17 (patch)
tree547a24f7131975d26d654152e5225a7cff6e6d1a /Demo
parent58e2ff2e810261291b4690fdc075404008a564cd (diff)
downloadcpython-98013be7977c613d8a1c5f0446a73d100ccc7b17.zip
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Get the meta class inheritance right.
Diffstat (limited to 'Demo')
-rw-r--r--Demo/newmetaclasses/Eiffel.py11
1 files changed, 6 insertions, 5 deletions
diff --git a/Demo/newmetaclasses/Eiffel.py b/Demo/newmetaclasses/Eiffel.py
index 3e68611..1dd7e6c 100644
--- a/Demo/newmetaclasses/Eiffel.py
+++ b/Demo/newmetaclasses/Eiffel.py
@@ -4,6 +4,11 @@ from new import function
class EiffelBaseMetaClass(type):
+ def __new__(meta, name, bases, dict):
+ meta.convert_methods(dict)
+ return super(EiffelBaseMetaClass, meta).__new__(meta, name, bases,
+ dict)
+
def convert_methods(cls, dict):
"""Replace functions in dict with EiffelMethod wrappers.
@@ -30,10 +35,6 @@ class EiffelBaseMetaClass(type):
class EiffelMetaClass1(EiffelBaseMetaClass):
# an implementation of the "eiffel" meta class that uses nested functions
- def __new__(meta, name, bases, dict):
- meta.convert_methods(dict)
- return super(EiffelMetaClass1, meta).__new__(meta, name, bases, dict)
-
def make_eiffel_method(func, pre, post):
def method(self, *args, **kwargs):
if pre:
@@ -80,7 +81,7 @@ class EiffelDescriptor(object):
self._post(inst, x, *args, **kwargs)
return x
-class EiffelMetaClass2(EiffelMetaClass1):
+class EiffelMetaClass2(EiffelBaseMetaClass):
# an implementation of the "eiffel" meta class that uses descriptors
make_eiffel_method = EiffelDescriptor