Python 获取导入python文件中定义的函数以及函数参数

#!/usr/bin/env python3
# -*- coding:utf-8 -*-


def test1(age, name):
    other = age
    print(other)
    print(age, name)


def test2(age, name, grade):
    print(age, name, grade)

import utils

# 获取所有方法
print(dir(utils))
# 过滤掉内置方法
print([item for item in dir(utils) if not (item.startswith("__") and item.endswith("__"))])

[‘builtins’, ‘cached’, ‘doc’, ‘file’, ‘loader’, ‘name’, ‘package’, ‘spec’, ‘test1’, ‘test2’]
[‘test1’, ‘test2’]

import utils

print(utils.test1.__code__.co_argcount)

print(getattr(utils, 'test1').__code__.co_argcount)

2
2

import utils

print(utils.test1.__code__.co_varnames)

print(getattr(utils, 'test1').__code__.co_varnames)

(‘age’, ‘name’, ‘other’)
(‘age’, ‘name’, ‘other’)

import utils

count = utils.test1.__code__.co_argcount
print(utils.test1.__code__.co_varnames[0: count])

count2 = getattr(utils, 'test1').__code__.co_argcount
print(getattr(utils, 'test1').__code__.co_varnames[0:count])

(‘age’, ‘name’)
(‘age’, ‘name’)