Spaces:
Runtime error
Runtime error
File size: 1,157 Bytes
6a62ffb |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
# Copyright (c) Facebook, Inc. and its affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
from dataclasses import dataclass, field
from fairseq import file_utils
from fairseq.data.encoders import register_bpe
from fairseq.dataclass import FairseqDataclass
@dataclass
class fastBPEConfig(FairseqDataclass):
bpe_codes: str = field(default="???", metadata={"help": "path to fastBPE BPE"})
@register_bpe("fastbpe", dataclass=fastBPEConfig)
class fastBPE(object):
def __init__(self, cfg):
if cfg.bpe_codes is None:
raise ValueError("--bpe-codes is required for --bpe=fastbpe")
codes = file_utils.cached_path(cfg.bpe_codes)
try:
import fastBPE
self.bpe = fastBPE.fastBPE(codes)
self.bpe_symbol = "@@ "
except ImportError:
raise ImportError("Please install fastBPE with: pip install fastBPE")
def encode(self, x: str) -> str:
return self.bpe.apply([x])[0]
def decode(self, x: str) -> str:
return (x + " ").replace(self.bpe_symbol, "").rstrip()
|