Given the following code: (I hope it's as simple as possible) :-)
#! /usr/bin/python
import new
class BASE:
def __init__( self ):
print 'Hello from BASE init'
def m1( self ):
print 'M1 Base: Self = ', self
def m1replace( self ):
print 'm1replace:Self = ', self
class D1(BASE):
def __init__(self):
BASE.__init__(self)
def __InitDS101Classes():
name = 'C1'
nclass = new.classobj(name,(D1,),globals())
globals()[name] = nclass
name = 'C2'
nclass = new.classobj(name,(D1,),globals())
globals()[name] = nclass
globals()[name].m1 = m1replace
__InitDS101Classes()
s = C1()
s.m1()
t = C2()
t.m1()
I get the following output:
1100 > ./foo1.py
Hello from BASE init
m1replace:Self = <__main__.C1 instance at 0xb7e637cc>
Hello from BASE init
m1replace:Self = <__main__.C2 instance at 0xb7e6388c>
But if I make BASE inherit from object
class BASE(object):
then I get this:
1100 > ./foo1.py
Hello from BASE init
m1replace:Self = <__main__.NewClass instance at 0xb7f5070c>
Hello from BASE init
M1 Base: Self = <__main__.D1 instance at 0xb7f5088c>
Can someone please explain why the assignment to C2.m1 would overwrite
BASE.m1?
TIA
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steveo at syslang.net
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