def copyfile(self, source, outputfile):
        shutil.copyfileobj(source, outputfile)
If and only if the precond is True
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/future/backports/http/server.py/SimpleHTTPRequestHandler.copyfile--crossover with--dataset/ETHPy150Open naiquevin/lookupy/lookupy/lookupy.py/iff