Returns a generator to iterate over the file contents

def stream(self, chunk_size=64*1024):
        'Returns a generator to iterate over the file contents'
        #return self.jfs.stream(url='%s?mode=bin' % self.path, chunk_size=chunk_size)
        return self.jfs.stream(url=self.path, params={'mode':'bin'}, chunk_size=chunk_size)