getattr

English documents: getattr (object, name[, default]) Return the value of the named attribute of object. name must is a string. The If the string is the name of the one of the object ' s

Python object-oriented-Get object information type isinstance getattr setattr hasattr I. type () function You can directly write the basic data type.int,strAnd so on: >>> Class Animal (object ):... Pass...>>> Type (123)>>> Type ('20140901 ')>>> Type

Python built-in function setattr () getattr ()SetAttr (Object,name,value):Role: Sets the property value of the property with name (type:string) of the object to be values, the property name can be an existing property, or it can be a new

The GetAttr () function is the core function of Python introspection, which is used in the following general context:Get Object reference GetAttrGetAttr is used to return an object property, or a method  a:         self

Python standard library: Detailed description of the use of the built-in function hasattr () getattr () setattr (), hasattrgetattrHasattr (object, name) This function is used to determine whether the object property (name) exists. If the property

GetAttr (object, Name[,default])Gets the object's property or method, if it exists, prints the default value if it does not exist, and the default value is optional. It is important to note that if you are returning an object's method, the memory

This article turns from https://www.cnblogs.com/cenyu/p/5713686.htmlHasattr (object, name)Determines whether an object has a Name property or a name method, returns a bool value, returns true with the name attribute, or FALSE.It is important to note

classBlackMedium:    feature=‘Ugly‘    def__init__(self,name,addr):        self.name=name        self.addr=addr    defsell_house(self):        print(‘%s 黑中介卖房子啦,傻逼才买呢,但是谁能证明自己不傻逼‘%self.name)    defrent_house(self):        print(‘%s

Hasattr (object, name)Determines whether an object has a Name property or a name method, returns a bool value, returns true with the name attribute, or FALSE.It is important to note that name is enclosed in parentheses.>>> class Test (): ...

The "1" getattr () function is Pythonthe core function of introspection"2" Python'sIntrospection: Python can view functions or module information stored as objects in memory, as well as related operations. "3" Related functions: GetAttr (), SetAttr (

One, Hasattr (object, name)Determines whether an object has a Name property or a name method, returns a bool value, has the Name property or method returns True, otherwise returns false.>>> class Test (): ... Name= "Xiaohua" ... def run

GetAttr (object, name[, default]), valueGet A named attribute from an object; GetAttr (x, ' Y ') is equivalent to x.y.When a default argument is given, it's returned when the attribute doesn ' tExist Without it, an exception was raised in the

getattr function syntax format: GetAttr (object, name[, default) parameter is an object, object property value, object property does not exist the corresponding default value name must be a string. If name is the property of an object, the value of

Reflection:1. The module can be imported in the form of a string1.1. Single-Layer Import1 __import__ (' module name ')View Code1.2. Multi-layer Import1 __import__ (' list.text.commons'# If you don't add fromlist=true, only the list directory will

python built-in function--hasattr&setattr&getattr&delattr Hasattr & SetAttr & GetAttr & Delattrhasattr (object,name): Used to determine whether or not a name exists in an object. SetAttr (object, name, value): This function assigns a value to an

GetAttr () is a function, while __getattr__ (), __getattribute__ () is a method of class1. GetAttr () parameter is (Object,attr_name,default value)The __getattribute__ () method of the object is called, and if there is no return value, continue

This function implements the Get property of object. Property is represented by name, which is a string of property names. The parameter default is an optional parameter that is returned when the property that gets the object does not exist.

Python standard library: built-in function getattr (object, name [, default]), pythongetattr This function is used to obtain the attributes of the object. The attributes are represented by the name, which is the string of the attribute name. The

This function implements the property that gets the object, which is represented by name , and is the string of the property name. The parameter default is an optional parameter that returns this value when the property of the Get object does not

GetAttr (object, name[, default]), valueGet A named attribute from an object; GetAttr (x, ' Y ') is equivalent to x.y.When a default argument is given, it's returned when the attribute doesn ' tExist Without it, an exception was raised in the