inspect模块是针对模块,类,方法,功能等对象提供些有用的方法。例如可以帮助我们检查类的内容,检查方法的代码,提取和格式化方法的参数等。
import inspect import os class Test(object): """Test Class """ def test(self): self.fuc = lambda x: x class Testone(Test): pass print(inspect.ismodule(os)) # True print(inspect.isclass(Test)) # True print(inspect.getdoc(Test)) # Test Class print(inspect.getsourcefile(Test)) # 文件路径 print(inspect.getsourcelines(Test)) # 代码块,每行一个元素,组成数组 print(inspect.getsource(Test)) # 获取代码块原本内容,带缩进
#打印全局变量中的模块对象 myglobals = {} myglobals.update(globals()) modules = [value for key, value in myglobals.items() if inspect.ismodule(value)] print(modules) 输出结果: [<module ‘builtins‘ (built-in)>, <module ‘inspect‘ from ‘D:\\python\\python\\lib\\inspect.py‘>, <module ‘os‘ from ‘D:\\python\\python\\lib\\os.py‘>]
# 查看类的可调用方法 for name, value in inspect.getmembers(Test, callable): print(" Callable:", name) for name, value in inspect.getmembers(Test(), callable): print(" Instance Callable:", name)
def debug(): import inspect print(inspect.stack()[0][3]) print(inspect.stack()[1][3]) caller_name = inspect.stack()[1][3] # print("[DEBUG]: enter {}()".format(caller_name) ) def say_hello(): debug() # print("hello!") def say_goodbye(): debug() # print("goodbye!") if __name__ == ‘__main__‘: say_hello() say_goodbye() 运行结果: debug say_hello debug say_goodbye
inspect.ismodule(object): 是否为模块
inspect.isclass(object):是否为类
inspect.ismethod(object):是否为方法(bound method written in python)
inspect.isfunction(object):是否为函数(python function, including lambda expression)
inspect.isgeneratorfunction(object):是否为python生成器函数
inspect.isgenerator(object):是否为生成器
inspect.istraceback(object): 是否为traceback
inspect.isframe(object):是否为frame
inspect.iscode(object):是否为code
inspect.isbuiltin(object):是否为built-in函数或built-in方法
inspect.isroutine(object):是否为用户自定义或者built-in函数或方法
inspect.isabstract(object):是否为抽象基类
inspect.ismethoddescriptor(object):是否为方法标识符
inspect.isdatadescriptor(object):是否为数字标识符,数字标识符有__get__ 和__set__属性; 通常也有__name__和__doc__属性
inspect.isgetsetdescriptor(object):是否为getset descriptor
inspect.ismemberdescriptor(object):是否为member descriptor
原文:https://www.cnblogs.com/feifeifeisir/p/10627854.html