python Programming Glossary: superclass
Python metaclasses: Why isn't __setattr__ called for attributes set during class definition? http://stackoverflow.com/questions/10762088/python-metaclasses-why-isnt-setattr-called-for-attributes-set-during-class You can overwrite the __dict__ attribute after the superclass call in __new__ if you want to maintain the no overwriting forced..
Calling Python from Objective-C http://stackoverflow.com/questions/1308079/calling-python-from-objective-c C into Python the easiest way is to declare an abstract superclass in Objective C that contains the API you want to call create.. implementations create a factory method on the abstract superclass that creates concrete subclass instances I.e. @interface Abstract..
Django - specify which model manager Django admin should use http://stackoverflow.com/questions/1545067/django-specify-which-model-manager-django-admin-should-use self.model.objects.get_query_set # we need this from the superclass method ordering self.ordering or # otherwise we might try to..
Subclassing Python tuple with multiple __init__ arguments http://stackoverflow.com/questions/1565374/subclassing-python-tuple-with-multiple-init-arguments create a new instance of the class by invoking the superclass ™s __new__ method using super currentclass cls .__new__ cls .....
super() fails with error: TypeError “argument 1 must be type, not classobj” http://stackoverflow.com/questions/1713038/super-fails-with-error-typeerror-argument-1-must-be-type-not-classobj issubclass type2 type Typical use to call a cooperative superclass method class C B def meth self arg super C self .meth arg .. so class B object and it will work. super and all subclass superclass stuff only works with new style classes. I recommend you get..
Python state-machine design http://stackoverflow.com/questions/2101961/python-state-machine-design optimizations to push the transition rule itself into the superclass. Note that we need to have forward references so we refer to..
Easiest way to serialize a simple class object with simplejson? http://stackoverflow.com/questions/2343535/easiest-way-to-serialize-a-simple-class-object-with-simplejson and floats and inherits similar fields from one parent superclass e.g. class ParentClass def __init__ self foo self.foo foo class..
Difference between abstract class and interface in Python http://stackoverflow.com/questions/372042/difference-between-abstract-class-and-interface-in-python SomeAbstraction Mixin2 pass This uses a kind of abstract superclass with mixins to create concrete subclasses that are disjoint...
Why aren't Python's superclass __init__ methods automatically invoked? http://stackoverflow.com/questions/3782827/why-arent-pythons-superclass-init-methods-automatically-invoked aren't Python's superclass __init__ methods automatically invoked Why did the Python designers.. don't automatically call the __init__ methods of their superclasses as in some other languages Is the Pythonic and recommended.. something else' python inheritance subclass delegation superclass share improve this question The crucial distinction between..
Python: Inherit the superclass __init__ http://stackoverflow.com/questions/6535832/python-inherit-the-superclass-init Inherit the superclass __init__ I have a base class with a lot of __init__ arguments.. in each of the inheriting classes that would call the superclass __init__ but that would be a serious code duplication def A.. ... What's the most Pythonic way to automatically call the superclass __init__ python inheritance constructor init share improve..
Underscore vs Double underscore with variables and methods http://stackoverflow.com/questions/6930144/underscore-vs-double-underscore-with-variables-and-methods this breaks down for subclasses with the same name as the superclass e.g. subclasses in different modules. It is possible to access.. and fragile it adds a dependency on the exact name of the superclass . The problem is that the author of a class may legitimately.. that legitimately needs access to that name. So either the superclass has to be modified which may be difficult or impossible or the..
Can Super deal with multiple inheritance? http://stackoverflow.com/questions/7903398/can-super-deal-with-multiple-inheritance reaches object.__init__ . A third way is to define a superclass to all of the multiple inheritable bases which itself defines..
Choosing between Java and Python http://stackoverflow.com/questions/954164/choosing-between-java-and-python The most recent example was a major change to the top most superclass of a class hierarchy that would have invalidated a mountain.. in exactly two places allowing a trivial change to the superclass and those two places. 100's of unit tests passed so I'm confident..
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