[Python]记录详细调用堆栈的日志

import sys
import os

def detailtrace(info):
retStr = ""
curindex=0
f = sys._getframe()
f = f.f_back        # first frame is detailtrace, ignore it
while hasattr(f, "f_code"):
co = f.f_code
retStr = "%s(%s:%s)->"%(os.path.basename(co.co_filename),
co.co_name,
f.f_lineno) + retStr
f = f.f_back
print retStr+info

def foo():
detailtrace("hello world")

def bar():
foo()

def main():
bar()

if __name__ == "__main__":
main()