Function read_block_from_file

dask/bytes/core.py:190–194

(lazy_file, off, bs, delimiter)

def read_block_from_file(lazy_file, off, bs, delimiter):
    with copy.copy(lazy_file) as f:
        if off == 0 and bs is None:
            return f.read()
        return read_block(f, off, bs, delimiter)