Use super() for dependency injection

super_dependency_injection.py

from collection import Counter
from collection import OrderedDict

Counter('luppolo')
Counter({'p': 2, 'l': 2, 'o': 2, 'u': 1})
help(Counter)
 |  Method resolution order:
 |      Counter
 |      __builtin__.dict
 |      __builtin__.object


class OrderedCounter(Counter, OrderedDict):
    def __repr__(self):
        return '%s(%r)' % (self.__class__.__name__, OrderedDict(self))
        
OrderedCounter('luppolo')
OrderedCounter(OrderedDict([('l', 2), ('u', 1), ('p', 2), ('o', 2)]))
 |  Method resolution order:
 |      OrderedCounter
 |      collections.Counter
 |      collections.OrderedDict
 |      __builtin__.dict
 |      __builtin__.object
 
 
 # USEFUL FOR MOCKING
class Robot(object):
    def move(self, tool):
        print "Moving %s" % tool

class CleaningBot(Robot):
     def clean(self, tool):
         super().move(tool)

class MockBot(Robot):
    def move(self, tool):
        print "Pretending to move %s" % tool

class MockedCleaningBot(CleaningBot, MockBot): pass

MockedCleaningBot().move('broom')
"Pretending to move broom"