如何通过字符串调用模块的功能

Question

I have a module like this

# mymodule.py
def myfun():
   print "hello"

being called like this

# main.py
import mymodule

def run(funcname):
    mymodule[funcname]()

in a directory structured like this

./
|
|--mymodule/
   |--__init__.py
   |--mymodule.py
|--main.py

When I call the run method of main.py like this

run("myfun")

I get this error:

TypeError: 'module' object has no attribute '__getitem__'

Understandably. I wouldve been surprised if this worked. The thing is, I need to be able to call a method of a module by string. Is this possible?

Answer 1

Try this.

def run(funcname):
    getattr(mymodule, funcname)()