def dst_to_src(self,dst_file):
        m=re.match(self.dst_path+"/(.*)$",dst_file)
        if (m is None):
            return(None)
        rel_path=m.group(1)
        return(self.src_uri+'/'+rel_path)
Return the src URI from the dst filepath
dataset/ETHPy150Open resync/resync/resync/mapper.py/Map.dst_to_src