Python Custom Module Import

In Python, the code for different functions is often written in different package, and when a package needs to import a method from another packageg (or call a function), it needs to import the module, otherwise python does not know the path of the imported module.

For example:

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Below the Day4 object-oriented folder, there are three modules (backend, logic, config) and a python file (user.main.py)

The DB module and Logic module are included under the backend module. The logic module has a handle.py file with three functions defined in it:

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Now, user.main.py this file wants to invoke the home () function in the handle.py file below the logic module, how do I do it?

This can be written in the user.main.py file:

Import module:

From backend.logic import handle

Call Method:

Handle.home ()

#!/usr/bin/env python#-*-coding:utf-8-*-from backend.logic Import handlep1 = Handle.home () print P1 output: Welcome to Homepagenone

Attention:

Here you can import the handle file under the logic module, there is a precondition that there is a __init__ python file under the logic module, although the file content is empty, but if you delete the file, you cannot import it.

For an introduction to __init__, please refer to: http://blog.csdn.net/yxmmxy7913/article/details/4233420

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Python Custom Module Import