On Tue, 28 Dec 2004 19:34:36 GMT, It's me <[EMAIL PROTECTED]> wrote: > This must be another newbie gotchas. > > Consider the following silly code, let say I have the following in file1.py: > > #============= > import file2 > global myBaseClass > myBaseClass = file2.BaseClass() > myBaseClass.AddChild(file2.NextClass()) > #=============
You have declared myBaseClass to be global, but it doesn't exist. Consider the following code: global name print name.__len__() This will return a NamError However, the following code will run just fine: global name name = "python" print name.__len__() will return 6 > > and in file2.py, I have: > > #============= > global myBaseClass > class BaseClass: > def __init__(self): > self.MyChilds = [] > ... > def AddChild(NewChild): > self.MyChilds.append(NewChild) > ... > class NextClass: > def __init__(self): > for eachChild in myBaseClass.MyChilds: # <- ERROR > ... > #============= > > When I run this, Python complains that myBaseClass is undefined in the last > line above. > > What am I doing wrong? (Yes, I know I am thinking too much in C). I > thought the global declaration would have been sufficient but it's obviously > not. > > Thanks, > > -- > http://mail.python.org/mailman/listinfo/python-list > HTH -- Premshree Pillai http://www.livejournal.com/~premshree -- http://mail.python.org/mailman/listinfo/python-list
