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# 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.
"""
GottBERT: a pure German Language Model
"""
from fairseq.models import register_model
from .hub_interface import RobertaHubInterface
from .model import RobertaModel
@register_model("gottbert")
class GottbertModel(RobertaModel):
@classmethod
def hub_models(cls):
return {
"gottbert-base": "https://dl.gottbert.de/fairseq/models/gottbert-base.tar.gz",
}
@classmethod
def from_pretrained(
cls,
model_name_or_path,
checkpoint_file="model.pt",
data_name_or_path=".",
bpe="hf_byte_bpe",
bpe_vocab="vocab.json",
bpe_merges="merges.txt",
bpe_add_prefix_space=False,
**kwargs
):
from fairseq import hub_utils
x = hub_utils.from_pretrained(
model_name_or_path,
checkpoint_file,
data_name_or_path,
archive_map=cls.hub_models(),
bpe=bpe,
load_checkpoint_heads=True,
bpe_vocab=bpe_vocab,
bpe_merges=bpe_merges,
bpe_add_prefix_space=bpe_add_prefix_space,
**kwargs,
)
return RobertaHubInterface(x["args"], x["task"], x["models"][0])
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