Python USES the dot operator to access the dictionary of dict data

This article illustrates how python USES the point operator to access dictionary (dict) data. Share with you for your reference. Specific analysis is as follows:

Dict ['name'] is usually used to access dictionaries in a way similar to dict['name']. It would be more convenient to access dictionaries by dict.name. The following code defines a custom class to provide this method.

class DottableDict(dict):
  def __init__(self, *args, **kwargs):
    dict.__init__(self, *args, **kwargs)
    self.__dict__ = self
  def allowDotting(self, state=True):
    if state:
      self.__dict__ = self
    else:
      self.__dict__ = dict()
d = DottableDict()
d.allowDotting()
d.foo = 'bar'
print(d['foo'])
# bar
print(d.foo)
# bar
d.allowDotting(state=False)
print(d['foo'])
# bar from //www.jb51.net
print(d.foo)
# AttributeError: 'DottableDict' object has no attribute 'foo'

I hope this article has helped you with your Python programming.