"__method__"与"__method__"之间的区别和“方法" [英] Difference between "__method__" and "method"

问题描述

__method__，method和_method__有什么区别?

是否出于某种或某些随机原因，人们认为__doc__应该是正确的，而不是doc.是什么让一种方法比另一种更特别?

Is there any or for some random reason people thought that __doc__ should be right like that instead of doc. What makes a method more special than the other?

推荐答案

• __method:私有方法.
• __method__:特殊的Python方法.它们这样命名，以防止名称冲突. 在此页面上查看这些特殊方法的列表.
• _method:这是 Python样式中建议的受保护方法的命名约定指南.
• __method: private method.
• __method__: special Python method. They are named like this to prevent name collisions. Check this page for a list of these special methods.
• _method: This is the recommended naming convention for protected methods in the Python style guide.

从样式指南:

• _single_leading_underscore:内部使用"指示器较弱.例如. from M import *不会导入名称以下划线开头的对象.

• _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.

single_trailing_underscore_:按惯例用于避免与 Python关键字，例如

single_trailing_underscore_: used by convention to avoid conflicts with Python keyword, e.g.

Tkinter.Toplevel(master, class_='ClassName')

• __double_leading_underscore:命名类属性时，调用名称 修改(在类FooBar中，__boo变为_FooBar__boo；请参见下文).

• __double_leading_underscore: when naming a class attribute, invokes name mangling (inside class FooBar, __boo becomes _FooBar__boo; see below).

  __double_leading_and_trailing_underscore__:魔术"对象或 位于用户控制的名称空间中的属性.例如. __init__， __import__或__file__.千万不要发明这样的名字；只使用它们

  __double_leading_and_trailing_underscore__: "magic" objects or attributes that live in user-controlled namespaces. E.g. __init__, __import__ or __file__. Never invent such names; only use them as documented.

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