Python记录详细调用堆栈日志的方法

import sysimport osdef 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+infodef foo():  detailtrace("hello world")def bar():  foo()def main():  bar()if __name__ == "__main__":  main()