¡@
python Programming Glossary: subclassesWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python a class. And what can create a class type or anything that subclasses or uses it. Custom metaclasses The main purpose of a metaclass..
Python @classmethod and @staticmethod for beginner? http://stackoverflow.com/questions/12179271/python-classmethod-and-staticmethod-for-beginner a class that it's a method which should be inherited into subclasses or... something. However what's the point of that Why not just..
Accessing class variables from a list comprehension in the class definition http://stackoverflow.com/questions/13905741/accessing-class-variables-from-a-list-comprehension-in-the-class-definition well for example More importantly what would that mean for subclasses of Foo Python has to treat a class scope differently as it is..
What's the canonical way to check for type in python? http://stackoverflow.com/questions/152580/whats-the-canonical-way-to-check-for-type-in-python in some cases issubclass type o str type o in str str.__subclasses__ See Built in Functions in the Python Library Reference for.. unicode is not a subclass of str both str and unicode are subclasses of basestring . Alternatively isinstance accepts a tuple of..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python identity of types and rejects instances of subtypes AKA subclasses . Normally in Python you want your code to support inheritance.. Base Class ABC it offers no concrete functionality to subclasses but rather exists as a marker mainly for use with isinstance.. ABC and ABCs can also offer extra convenience to actual subclasses in a very natural way via Template Method design pattern applications..
Subclassing Python tuple with multiple __init__ arguments http://stackoverflow.com/questions/1565374/subclassing-python-tuple-with-multiple-init-arguments will not be invoked. __new__ is intended mainly to allow subclasses of immutable types like int str or tuple to customize instance..
Python: check if an object is a list or tuple (but not string) http://stackoverflow.com/questions/1835018/python-check-if-an-object-is-a-list-or-tuple-but-not-string
Method Resolution Order (MRO) in new style Python classes http://stackoverflow.com/questions/1848474/method-resolution-order-mro-in-new-style-python-classes to come in resolution order only once and after all of its subclasses so that overrides i.e. C's override of member x actually work..
Why do attribute references act like this with Python inheritance? http://stackoverflow.com/questions/206734/why-do-attribute-references-act-like-this-with-python-inheritance is shared between all instances of the class and it's subclasses because it is created at class definition time. The lines somedata..
What are Class methods in Python for? http://stackoverflow.com/questions/38238/what-are-class-methods-in-python-for thing about them is that they can be overridden by subclasses something that's simply not possible in Java's static methods..
Can I add custom methods/attributes to built-in Python types? http://stackoverflow.com/questions/4698493/can-i-add-custom-methods-attributes-to-built-in-python-types subclass the dict object but then it only works on the subclasses and I want it to work on any and all future dictionaries. Here's..
Python (and Python C API): __new__ versus __init__ http://stackoverflow.com/questions/4859129/python-and-python-c-api-new-versus-init be exploited to make calling the parent class __init__ in subclasses optional by setting up any absolutely required instance invariants..
Creating a singleton in python http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python because the metaclass is not a base class but for subclasses of the created class that use multiple inheritance you need.. for enforcing the pattern and the created class and subclasses need not be aware that they are singletons . Method #1 fails.. more complicated scheme. Since metaclasses are usually subclasses of type type it's possible to use one to dynamically create..
Why are Python's 'private' methods not actually private? http://stackoverflow.com/questions/70528/why-are-pythons-private-methods-not-actually-private this question The name scrambling is used to ensure that subclasses don't accidentally override the private methods and attributes..
http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam
|