consider naming them with double leading underscores and no trailing underscores. This invokes Python’s name mangling algorithm, where the name of the class is mangled into the attribute name. This helps avoid attribute name collisions should subclasses inadvertently contain ...
print(obj_sub._MyClass__my_private_var) # 输出: 42 # 调用方法 obj_sub._my_method() #输出:This is my_method in MySubclass 在上述示例中,MySubclass继承自MyClass,并在子类中定义了一个同名的私有属性__my_private_var。由于名称改写的存在,子类与父类属性在内部被自动修改为 变成_MySubclass__my...
Class names should normally use the CapWords convention.class BankAccount: 类名通常应使用CapWords约定。 class BankAccount: Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase name...
1#module_error2'''3双下划线开头的变量不能被直接访问4'''56classMyClass():7def__init__(self):8self.var_1 = 19self._var_2 = 210self.__var_3= 31112if__name__=="__main__":13obj =MyClass()14printobj.var_115printobj._var_216printobj.__var_3#这里将会出错 #module_solution''...
Class namesin Python follow thePascalCaseconvention. Each word begins with a capital letter, likeMyClassorSampleException. This style helps distinguish class types from variables and functions. Exceptionsare also named using PascalCase and often end with the word “Error” to signal an issue, such ...
(a=1,b=2):returna-b# This is a naming convention of Python private function,# but it doesn't really do anything...def_private_function(a,b):returna+b# 下面是定义一个基本的Python类classExampleClass(object):def__init__(self,a,b):# Do something with a and b.self.a=aself.b=b#...
# used by convention to avoid conflicts with Python keyword, e.g. #以_结尾的命名通常用于避免与Python关键字冲突的情形. single_trailing_underscore_ Tkinter.Toplevel(master, class_='ClassName') # when naming a class attribute, invokes name mangling (inside class FooBar, __boo becomes _FooBar__...
解决方案:File –>Settings–>Editor–>Inspections–>Python–>PEP 8 naming convention violation 在右下角有一个Ignored errors列表控件,添加: N802 N803 N806 code sample message N801 class names should use CapWords convention N802 functionnameshouldbelowercaseN803 argument name should be lowercase ...
笔者有对Python中的name mangling做一下测试：class Demo: any_name = 'any_name' _any_na...
DeclarativeBase.metadata = MetaData(naming_convention=convention)defdb_connect():returncreate_engine(URL(**settings.DATABASE))defcreate_reviews_table(engine): DeclarativeBase.metadata.create_all(engine)classReview(DeclarativeBase): __tablename__ ='reviews'id= Column(Integer, primary_key=True) ...