recipe-144838.py 文件源码

def getCallString(level):
    #this gets us the frame of the caller and will work
    #in python versions 1.5.2 and greater (there are better
    #ways starting in 2.1
    try:
        raise FakeException("this is fake")
    except Exception, e:
        #get the current execution frame
        f = sys.exc_info()[2].tb_frame
    #go back as many call-frames as was specified
    while level >= 0:        
        f = f.f_back
        level = level-1
    #if there is a self variable in the caller's local namespace then
    #we'll make the assumption that the caller is a class method
    obj = f.f_locals.get("self", None)
    functionName = f.f_code.co_name
    if obj:
        callStr = obj.__class__.__name__+"::"+f.f_code.co_name+" (line "+str(f.f_lineno)+")"
    else:
        callStr = f.f_code.co_name+" (line "+str(f.f_lineno)+")"        
    return callStr        

#send this message to all handlers of std messages