# 作者：Stansosleepy
# 链接：http://www.jianshu.com/p/ae5bc6093337
# 來源：简书
# 著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。
import os
# import sys
import functools
import threading
import inspect
import atexit  

current_path = os.path.dirname(os.path.abspath(__file__))
log_path = os.path.join(current_path,"log")
logfile = os.path.join(log_path,"log.txt")
call_relations = []
# print("global-call_relations_len:%s" % len(call_relations))


def findcaller(func):

    @functools.wraps(func)
    def wrapper(*args,**kwargs):
        # print("enter_func_name_-call_relations_len:%s" % len(call_relations))
        # ---------------------------------------------------------------
        infos = "" 
        frame=inspect.currentframe()
        current_pid = os.getpid()
        current_tname = threading.current_thread().name
        while True:
            try:
                frame = frame.f_back
                full_filename = frame.f_code.co_filename
                filebasename = os.path.basename(full_filename)
                filebasename = filebasename.replace(".","")
                caller_func = frame.f_code.co_name
                lineno = frame.f_lineno
                inner_info = "%s.%s.%s" % (filebasename, caller_func, lineno)
                if "wrapper" not in inner_info:
                    infos = "pid=%s.tid=%s.%s|%s" % (current_pid, current_tname, inner_info, infos)

            except:
                break
        # --------写入------------------------------------------------------------------
        temp01 = "%spid=%s.tid=%s.%spy.%s.\n" % (infos, current_pid, current_tname, func.__module__, func.__name__)
        # temp02 = ("%spy.%s" % (func.__module__, func.__name__))
        # temp03 = "%s|%s%s\n" % (temp01,infos,temp02)
        may_replace = False
        global call_relations
        for i in range(len(call_relations)):
            if call_relations[i].replace("\n","") in temp01.replace("\n",""): #筛选：替换掉原list中已有，但被包含之
                call_relations[i] = temp01
                may_replace = True
                break
            elif temp01.replace("\n","") in call_relations[i].replace("\n",""): #如果现在小于原已有之list,则忽略
                may_replace = True
                break
        if not may_replace:
            call_relations.append(temp01)
            # logf = open(logfile, 'a')
            # logf.write(temp03+"\n")
            # logf.close()
        # print(call_relations)       
        # ----------------------------------------------------------
        # ----------------------------------------------------------
        # logf = open(logfile, 'a')
        # logf.write("%s.py.%s%s<--%s<--%s\n" % (func.__module__, func.__name__,infos, current_tname, current_pid))
        # temp01 = "%s.%s" % (current_pid, current_tname)
        # temp02 = "%s.py.%s%s\n" % (func.__module__, func.__name__,infos)
        # temp03 = (temp01,temp02)
        # call_relations.append(temp03)
        # logf.close()
        # print(infos)
            

        #---------------------------------------------------------------
        # frame=sys._getframe()
        # code = frame.f_back.f_code
        # filename=code.co_filename
        # filebasename=os.path.basename(filename)
        # caller_func=code.co_name
        # lineno=frame.f_back.f_lineno
        # current_pid = os.getpid()
        # current_tname = threading.current_thread().name
        # logf = open(logfile, 'a')
        # logf.write("%s,%s,%s,%s,%s,%s,%s\n" % (filebasename, caller_func, lineno, current_pid, current_tname, func.__module__, func.__name__))
        # logf.close()
        #-------以下depth 0 会返回decorator信息----------------------------
        # frame=sys._getframe(depth)
        # code = frame.f_code
        # filename=code.co_filename
        # filebasename=os.path.basename(filename)
        # caller_func=code.co_name
        # lineno=code.co_firstlineno
        #---------------------------------------------------------------
        
        result = func(*args, **kwargs)  # https://stackoverflow.com/questions/47249990/cant-get-the-parameters-of-a-func-using-threading-lib-in-a-python-decoration/47250184#47250184
        
        # print("leave_func_name_-call_relations_len:%s" % len(call_relations))
        return result
    return wrapper


@atexit.register  
def atexitFunc_3():  
    logf = open(logfile, 'a')
    logf.writelines(call_relations)
    logf.close()