How to get a reference to a module inside the module itself?

问题

How can I get a reference to a module from within that module? Also, how can I get a reference to the package containing that module?

回答1:

import sys
current_module = sys.modules[__name__]

回答2:

If you have a class in that module, then the __module__ property of the class is the module name of the class. Thus you can access the module via sys.modules[klass.__module__]. This is also works for functions.

回答3:

One more technique, which doesn't import the sys module, and arguably - depends on your taste - simpler:

current_module = __import__(__name__)

Be aware there is no import. Python imports each module only once.

回答4:

You can get the name of the current module using __name__

The module reference can be found in the sys.modules dictionary.

See the Python documentation

回答5:

You can pass it in from outside:

mymod.init(mymod)

Not ideal but it works for my current use-case.

来源：https://stackoverflow.com/questions/1676835/how-to-get-a-reference-to-a-module-inside-the-module-itself