Tracing excessive callers to re.compile in re.py

re_snippet.py

callers = {}

def _ghetto_compile(pattern, flags=0):
    import inspect
    try:
        frame = '{}'.format(inspect.currentframe().f_back.f_code)
        val = callers.setdefault(frame,0)
        callers[frame] = val + 1
        # print(frame)
        if 'rest_framework.py' in frame:
            pass
            #print(sorted(callers.iteritems(),key=lambda (k,v):(v,k),reverse=True))
    except Exception as e:
        print('fail {}'.format(e) )
    "Compile a regular expression pattern, returning a pattern object."
    return _compile(pattern, flags)

def compile(pattern, flags=0):
    "Compile a regular expression pattern, returning a pattern object."
    return _compile(pattern, flags)