how_str_call_func.py

# python使用函数名的字符串调用函数 5种方法


def chinese(text):
    print("chinese:", text)


def english(text):
    print("english:", text)


func = 'chinese'

# 1
eval(func)("你好eval is evil")

# 2
locals()[func]("你好 locals")

# 3
globals()[func]("你好 globals")


class Foo:
    def chinese(self, text):
        print("chinese", text)

    def english(self, text):
        print("english", text)


# 4
foo = Foo()
func = getattr(foo, 'chinese')
func("你好 FOO")

# 5
foo = Foo()
from operator import methodcaller

methodcaller('chinese', "你好 methodcaller")(foo)