class RB(tf.keras.layers.Layer): 
 def __init__(self, num_filters, *args, **kwargs):
 self.num_filters = num_filters
 super(RB, self).__init__(*args, **kwargs)
 #按需求添加卷积
 def build(self, input_shape):
 #按需求添加卷积
 self._layers = [
 ]
 super(RB, self).build(input_shape)
 
 def call(self, tensor):
 for layer in self._layers:
  tensor = layer(tensor) 
class DecodeNet(tf.keras.layers.Layer):
 
 def __init__(self, num_filters, *args, **kwargs):
 self.num_filters = num_filters
 super(DecodeNet, self).__init__(*args, **kwargs)
 self.rb_block0 = RB(self.num_filters)
 self.rb_block1 = RB(self.num_filters)
 self.rb_block2 = RB(self.num_filters)
 
 def build(self, input_shape):
 self._layers = [
  RB(self.num_filters),
  RB(self.num_filters),
  RB(self.num_filters),
 ]
 super(DecodeNet, self).build(input_shape)
 
 def call(self, tensor):
 tensor = self.rb_block0(tensor)
 tensor = self.rb_block1(tensor)
 for layer in self._layers:
  tensor = layer(tensor)
 tensor = self.rb_block2(tensor)
 return tensor

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
class Person(object):
 def __init__(self, name, lang, website):
  self.name = name
  self.lang = lang
  self.website = website
 
  print('self: ', self)
  print('type of self: ', type(self))
'''
未实例化时，运行程序，构造方法没有运行
''' 
p = Person('Tim', 'English', 'www.universal.com') 
'''实例化后运行的结果
self: <__main__.Person object at 0x00000000021EAF98>
type of self: <class '__main__.Person'>
'''

class Dog(object):  
 def __init__(self,name,dog_type):
  self.name = name
  self.type = dog_type 
 def sayhi(self):
  print("hello,I am a dog, my name is ",self.name) 
 
d = Dog('LiChuang',"京巴")   # 实例化
d.sayhi()

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此处全局的变量名，写成name，只是为了演示而用
实际上，好的编程风格，应该写成gName之类的名字，
以表示该变量是Global的变量
''' 
class Person(object):
 def __init__(self, newPersonName):
  # self.name = newPersonName
  '''
  如果此处不写成self.name
  那么此处的name，只是__init__函数中的局部临时变量name而已
  和全局中的name，没有半毛钱关系
  '''
  name = newPersonName
  '''
  此处只是为了代码演示，而使用了局部变量name，
  不过需要注意的是，此处很明显，由于接下来的代码也没有利用到此处的局部变量name
  则就导致了，此处的name变量，实际上被浪费了，根本没有利用到
  '''
 def sayYourName(self):
  '''
  此处由于找不到实例中的name变量，所以会报错：
  AttributeError: Person instance has no attribute 'name'
  '''
  print('My name is %s' %self.name)
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName() 
if __name__ == '__main__':
 selfAndInitDemo()
 
''' 未使用self.name时抛异常
Traceback (most recent call last):
 File "E:/python14_workspace/s14/day06/test_1.py", line 18, in <module>
 selfAndInitDemo()
 File "E:/python14_workspace/s14/day06/test_1.py", line 15, in selfAndInitDemo
 personInstance.sayYourName()
 File "E:/python14_workspace/s14/day06/test_1.py", line 11, in sayYourName
 print('My name is %s' %self.name)
AttributeError: 'Person' object has no attribute 'name'
'''

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此处全局的变量名，写成name，只是为了演示而用
实际上，好的编程风格，应该写成gName之类的名字，
以表示该变量是Global的变量
''' 
class Person(object):
 def __init__(self, newPersonName):
  self.name = newPersonName
  '''
  此处正确的，通过访问self.name的形式，实现了：
   1.给实例中，增加了name变量
   2.并且给name赋了初值，为newPersionName
  '''
 def sayYourName(self):
  '''
  此处由于开始正确的初始化了self对象，使得其中有了name变量，
  所以此处可以正确访问了name值了
  '''
  print('My name is %s' %self.name)
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName()
 
if __name__ == '__main__':
 selfAndInitDemo() 
'''My name is Tim'''

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此处全局的变量名，写成name，只是为了演示而用
实际上，好的编程风格，应该写成gName之类的名字，
以表示该变量是Global的变量
'''
class Person(object):
 name = 'class global name' 
 def __init__(self, newPersonName):
  # self.name = newPersonName
  '''
  此处，没有使用self.name
  而使得此处的name，实际上仍是局部变量name
  虽然此处赋值了，但是后面没有被利用到，属于被浪费了的局部变量name
  '''
  name = newPersonName
 def sayYourName(self):
  '''
  此处，之所以没有像之前一样出现：
  AttributeError: Person instance has no attribute 'name'
  那是因为，虽然当前的实例self中，没有在__init__中初始化对应的name变量，实例self中没有对应的name变量
  但是由于实例所对应的类Person，有对应的name变量,所以也是可以正常执行代码的
  对应的，此处的self.name，实际上是Person.name
  '''
  print('My name is %s' %self.name)
  print('Name within class Person is actually the global name: %s' %name)
  print("Only access Person's name via Person.name = %s" %(Person.name))
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName()
 print('whole global name is %s' %name)
 
if __name__ == '__main__':
 selfAndInitDemo()
'''
My name is class global name
Name within class Person is actually the global name: whole global name
Only access Person's name via Person.name = class global name
whole global name is whole global name
'''