确定在哪里执行功能？

Question

我应该如何定义一个函数，where该函数可以告诉它在哪里执行而没有传入任何参数？〜/ app /中的所有文件

a.py：

def where():
    return 'the file name where the function was executed'

b.py：

from a import where
if __name__ == '__main__':
    print where() # I want where() to return '~/app/b.py' like __file__ in b.py

c.py：

from a import where
if __name__ == '__main__':
    print where() # I want where() to return '~/app/c.py' like __file__ in c.py

Answer 1

您需要使用来查找调用堆栈inspect.stack()：

from inspect import stack

def where():
    caller_frame = stack()[1]
    return caller_frame[0].f_globals.get('__file__', None)

甚至：

def where():
    caller_frame = stack()[1]
    return caller_frame[1]