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class PhiForCausalLM(LlamaForCausalLM): def __init__(self, config): super().__init__(config) self.lm_head = nn.Linear(config.hidden_size, config.vocab_size, bias=True)
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class PhiForSequenceClassification(LlamaForSequenceClassification): pass
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class PhiForTokenClassification(LlamaForTokenClassification): pass
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class BertJapaneseTokenizer(PreTrainedTokenizer): r""" Construct a BERT tokenizer for Japanese text. This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to: this superclass for more information regarding those methods. Args: voca...
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class MecabTokenizer: """Runs basic tokenization with MeCab morphological parser.""" def __init__( self, do_lower_case=False, never_split=None, normalize_text=True, mecab_dic: Optional[str] = "unidic_lite", mecab_option: Optional[str] = None, ): """ ...
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class SudachiTokenizer: """Runs basic tokenization with Sudachi morphological parser.""" def __init__( self, do_lower_case=False, never_split=None, normalize_text=True, trim_whitespace=False, sudachi_split_mode="A", sudachi_config_path=None, sudac...
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class JumanppTokenizer: """Runs basic tokenization with jumanpp morphological parser.""" def __init__( self, do_lower_case=False, never_split=None, normalize_text=True, trim_whitespace=False, ): """ Constructs a JumanppTokenizer. Args: ...
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class CharacterTokenizer: """Runs Character tokenization.""" def __init__(self, vocab, unk_token, normalize_text=True): """ Constructs a CharacterTokenizer. Args: **vocab**: Vocabulary object. **unk_token**: str A special symbol f...
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class BasicTokenizer: """ Constructs a BasicTokenizer that will run basic tokenization (punctuation splitting, lower casing, etc.). Args: do_lower_case (`bool`, *optional*, defaults to `True`): Whether or not to lowercase the input when tokenizing. never_split (`Iterable`, *opti...
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class WordpieceTokenizer: """Runs WordPiece tokenization.""" def __init__(self, vocab, unk_token, max_input_chars_per_word=100): self.vocab = vocab self.unk_token = unk_token self.max_input_chars_per_word = max_input_chars_per_word def tokenize(self, text): """ Toke...
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class SentencepieceTokenizer: """ Runs sentencepiece tokenization. Based on transformers.models.albert.tokenization_albert.AlbertTokenizer. """ def __init__( self, vocab, unk_token, do_lower_case=False, remove_space=True, keep_accents=True, sp_mod...
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class DecoderConfig(PretrainedConfig): r""" Configuration class for FSMT's decoder specific things. note: this is a private helper class """ model_type = "fsmt_decoder" def __init__(self, vocab_size=0, bos_token_id=0): super().__init__() self.vocab_size = vocab_size self.bo...
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class FSMTConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`FSMTModel`]. It is used to instantiate a FSMT model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar confi...
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class PretrainedFSMTModel(PreTrainedModel): config_class = FSMTConfig base_model_prefix = "model" def _init_weights(self, module): std = self.config.init_std if isinstance(module, nn.Linear): module.weight.data.normal_(mean=0.0, std=std) if module.bias is not None: ...
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class EncoderLayer(nn.Module): def __init__(self, config: FSMTConfig): super().__init__() self.embed_dim = config.d_model self.self_attn = Attention(self.embed_dim, config.encoder_attention_heads, dropout=config.attention_dropout) self.self_attn_layer_norm = LayerNorm(self.embed_dim)...
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class FSMTEncoder(nn.Module): """ Transformer encoder consisting of *config.encoder_layers* self attention layers. Each layer is a [`EncoderLayer`]. Args: config: FSMTConfig """ def __init__(self, config: FSMTConfig, embed_tokens): super().__init__() self.dropout = config.d...
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class DecoderLayer(nn.Module): def __init__(self, config: FSMTConfig): super().__init__() self.embed_dim = config.d_model self.self_attn = Attention( embed_dim=self.embed_dim, num_heads=config.decoder_attention_heads, dropout=config.attention_dropout, ...
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class FSMTDecoder(nn.Module): """ Transformer decoder consisting of *config.decoder_layers* layers. Each layer is a [`DecoderLayer`] Args: config: FSMTConfig embed_tokens (nn.Embedding): output embedding """ def __init__(self, config: FSMTConfig, embed_tokens: nn.Embedding): ...
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class Attention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__( self, embed_dim, num_heads, dropout=0.0, bias=True, encoder_decoder_attention=False, # otherwise self_attention ): super().__init__() ...
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class FSMTModel(PretrainedFSMTModel): _tied_weights_keys = ["decoder.embed_tokens.weight", "decoder.output_projection.weight"] def __init__(self, config: FSMTConfig): super().__init__(config) padding_idx = config.pad_token_id encoder_embed_tokens = nn.Embedding(config.src_vocab_size, c...
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class FSMTForConditionalGeneration(PretrainedFSMTModel, GenerationMixin): base_model_prefix = "model" _tied_weights_keys = ["decoder.embed_tokens.weight", "decoder.output_projection.weight"] def __init__(self, config: FSMTConfig): super().__init__(config) base_model = FSMTModel(config) ...
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class SinusoidalPositionalEmbedding(nn.Embedding): """ This module produces sinusoidal positional embeddings of any length. We don't want to save the weight of this embedding since it's not trained (deterministic) and it can be huge. Padding symbols are ignored. These embeddings get automatically...
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class FSMTTokenizer(PreTrainedTokenizer): """ Construct an FAIRSEQ Transformer tokenizer. Based on Byte-Pair Encoding. The tokenization process is the following: - Moses preprocessing and tokenization. - Normalizing all inputs text. - The arguments `special_tokens` and the function `set_special_tok...
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class XmodEmbeddings(nn.Module): """ Same as BertEmbeddings with a tiny tweak for positional embeddings indexing. """ # Copied from transformers.models.bert.modeling_bert.BertEmbeddings.__init__ def __init__(self, config): super().__init__() self.word_embeddings = nn.Embedding(confi...
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class XmodSelfAttention(nn.Module): def __init__(self, config, position_embedding_type=None): super().__init__() if config.hidden_size % config.num_attention_heads != 0 and not hasattr(config, "embedding_size"): raise ValueError( f"The hidden size ({config.hidden_size}) i...
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class XmodSelfOutput(nn.Module): # Copied from transformers.models.roberta.modeling_roberta.RobertaSelfOutput.__init__ def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=confi...
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class XmodAttention(nn.Module): def __init__(self, config, position_embedding_type=None): super().__init__() self.self = XmodSelfAttention(config, position_embedding_type=position_embedding_type) self.output = XmodSelfOutput(config) self.pruned_heads = set() self.pre_norm = c...
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class XmodIntermediate(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.intermediate_size) if isinstance(config.hidden_act, str): self.intermediate_act_fn = ACT2FN[config.hidden_act] else: self.interm...
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class XmodAdapter(nn.Module): def __init__(self, config): super().__init__() self.bottleneck_size = config.hidden_size // config.adapter_reduction_factor self.dense1 = nn.Linear(config.hidden_size, self.bottleneck_size) self.dense2 = nn.Linear(self.bottleneck_size, config.hidden_size...
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class XmodOutput(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.intermediate_size, config.hidden_size) self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.ln_before_adapter = config.ln_before_adapter self...
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class XmodLayer(nn.Module): def __init__(self, config): super().__init__() self.chunk_size_feed_forward = config.chunk_size_feed_forward self.seq_len_dim = 1 self.attention = XmodAttention(config) self.is_decoder = config.is_decoder self.add_cross_attention = config.a...
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class XmodEncoder(nn.Module): def __init__(self, config): super().__init__() self.config = config self.layer = nn.ModuleList([XmodLayer(config) for _ in range(config.num_hidden_layers)]) self.is_pre_norm = config.pre_norm if self.is_pre_norm: self.LayerNorm = nn.L...
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class XmodPooler(nn.Module): def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.activation = nn.Tanh() def forward(self, hidden_states: torch.Tensor) -> torch.Tensor: # We "pool" the model by simply taking the hidde...
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class XmodPreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = XmodConfig base_model_prefix = "roberta" supports_gradient_checkpointing = True # Copied from tran...
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class XmodModel(XmodPreTrainedModel): """ The model can behave as an encoder (with only self-attention) as well as a decoder, in which case a layer of cross-attention is added between the self-attention layers, following the architecture described in *Attention is all you need*_ by Ashish Vaswani, Noam...
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class XmodForCausalLM(XmodPreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.decoder.weight", "lm_head.decoder.bias"] # Copied from transformers.models.roberta.modeling_roberta.RobertaForCausalLM.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) ...
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class XmodForMaskedLM(XmodPreTrainedModel): _tied_weights_keys = ["lm_head.decoder.weight", "lm_head.decoder.bias"] # Copied from transformers.models.roberta.modeling_roberta.RobertaForMaskedLM.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) if config.is_de...
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class XmodLMHead(nn.Module): """Roberta Head for masked language modeling.""" def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) self.layer_norm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.decoder...
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class XmodForSequenceClassification(XmodPreTrainedModel): # Copied from transformers.models.roberta.modeling_roberta.RobertaForSequenceClassification.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.config = config ...
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class XmodForMultipleChoice(XmodPreTrainedModel): # Copied from transformers.models.roberta.modeling_roberta.RobertaForMultipleChoice.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) self.roberta = XmodModel(config) self.dropout = nn.Dropout(config.hidden...
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class XmodForTokenClassification(XmodPreTrainedModel): # Copied from transformers.models.roberta.modeling_roberta.RobertaForTokenClassification.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.roberta = XmodModel(c...
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class XmodClassificationHead(nn.Module): """Head for sentence-level classification tasks.""" def __init__(self, config): super().__init__() self.dense = nn.Linear(config.hidden_size, config.hidden_size) classifier_dropout = ( config.classifier_dropout if config.classifier_dr...
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class XmodForQuestionAnswering(XmodPreTrainedModel): # Copied from transformers.models.roberta.modeling_roberta.RobertaForQuestionAnswering.__init__ with Roberta->Xmod def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.roberta = XmodModel(confi...
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class XmodConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`XmodModel`]. It is used to instantiate an X-MOD model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a similar con...
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class XmodOnnxConfig(OnnxConfig): @property def inputs(self) -> Mapping[str, Mapping[int, str]]: if self.task == "multiple-choice": dynamic_axis = {0: "batch", 1: "choice", 2: "sequence"} else: dynamic_axis = {0: "batch", 1: "sequence"} return OrderedDict( ...
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class VitPoseBackboneConfig(BackboneConfigMixin, PretrainedConfig): r""" This is the configuration class to store the configuration of a [`VitPoseBackbone`]. It is used to instantiate a VitPose model according to the specified arguments, defining the model architecture. Instantiating a configuration wit...
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class VitPoseBackbonePatchEmbeddings(nn.Module): """Image to Patch Embedding.""" def __init__(self, config): super().__init__() image_size = config.image_size patch_size = config.patch_size num_channels = config.num_channels embed_dim = config.hidden_size image...
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class VitPoseBackboneEmbeddings(nn.Module): """ Construct the position and patch embeddings. """ def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() self.patch_embeddings = VitPoseBackbonePatchEmbeddings(config) num_patches = self.patch_embeddings.num_...
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class VitPoseBackboneSelfAttention(nn.Module): def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() if config.hidden_size % config.num_attention_heads != 0 and not hasattr(config, "embedding_size"): raise ValueError( f"The hidden size {config.hidd...
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class VitPoseBackboneSelfOutput(nn.Module): """ The residual connection is defined in VitPoseBackboneLayer instead of here (as is the case with other models), due to the layernorm applied before each block. """ def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() ...
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class VitPoseBackboneAttention(nn.Module): def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() self.attention = VitPoseBackboneSelfAttention(config) self.output = VitPoseBackboneSelfOutput(config) self.pruned_heads = set() def prune_heads(self, heads: S...
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class VitPoseBackboneMoeMLP(nn.Module): def __init__(self, config: VitPoseBackboneConfig): super().__init__() in_features = out_features = config.hidden_size hidden_features = int(config.hidden_size * config.mlp_ratio) num_experts = config.num_experts part_features = config...
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class VitPoseBackboneMLP(nn.Module): def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() in_features = out_features = config.hidden_size hidden_features = int(config.hidden_size * config.mlp_ratio) self.fc1 = nn.Linear(in_features, hidden_features, bias=True...
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class VitPoseBackboneLayer(nn.Module): def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() self.num_experts = config.num_experts self.attention = VitPoseBackboneAttention(config) self.mlp = VitPoseBackboneMLP(config) if self.num_experts == 1 else VitPoseBack...
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class VitPoseBackboneEncoder(nn.Module): def __init__(self, config: VitPoseBackboneConfig) -> None: super().__init__() self.config = config self.layer = nn.ModuleList([VitPoseBackboneLayer(config) for _ in range(config.num_hidden_layers)]) self.gradient_checkpointing = False # I...
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class VitPoseBackbonePreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = VitPoseBackboneConfig base_model_prefix = "vit" main_input_name = "pixel_values" support...
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class VitPoseBackbone(VitPoseBackbonePreTrainedModel, BackboneMixin): def __init__(self, config: VitPoseBackboneConfig): super().__init__(config) super()._init_backbone(config) self.num_features = [config.hidden_size for _ in range(config.num_hidden_layers + 1)] self.embeddings = Vi...
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class PersimmonConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`PersimmonModel`]. It is used to instantiate an Persimmon model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield...
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class PersimmonRotaryEmbedding(nn.Module): def __init__(self, config: PersimmonConfig, device=None): super().__init__() # BC: "rope_type" was originally "type" if hasattr(config, "rope_scaling") and config.rope_scaling is not None: self.rope_type = config.rope_scaling.get("rope_t...
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class PersimmonMLP(nn.Module): def __init__(self, config): super().__init__() self.dense_h_to_4h = nn.Linear(config.hidden_size, config.intermediate_size) self.dense_4h_to_h = nn.Linear(config.intermediate_size, config.hidden_size) self.act = ACT2FN[config.hidden_act] def forwar...
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class PersimmonAttention(nn.Module): """Multi-headed attention from 'Attention Is All You Need' paper""" def __init__(self, config: PersimmonConfig, layer_idx: Optional[int] = None): super().__init__() self.config = config self.layer_idx = layer_idx if layer_idx is None: ...
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class PersimmonDecoderLayer(nn.Module): def __init__(self, config: PersimmonConfig, layer_idx: int): super().__init__() self.hidden_size = config.hidden_size self.self_attn = PersimmonAttention(config=config, layer_idx=layer_idx) self.mlp = PersimmonMLP(config) self.input_lay...
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class PersimmonPreTrainedModel(PreTrainedModel): config_class = PersimmonConfig base_model_prefix = "model" supports_gradient_checkpointing = True _no_split_modules = ["PersimmonDecoderLayer"] _skip_keys_device_placement = "past_key_values" _supports_cache_class = True _supports_quantized_ca...
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class PersimmonModel(PersimmonPreTrainedModel): """ Transformer decoder consisting of *config.num_hidden_layers* layers. Each layer is a [`PersimmonDecoderLayer`] Args: config: PersimmonConfig """ def __init__(self, config: PersimmonConfig): super().__init__(config) self.pa...
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class PersimmonForCausalLM(PersimmonPreTrainedModel, GenerationMixin): _tied_weights_keys = ["lm_head.weight"] # Copied from transformers.models.llama.modeling_llama.LlamaForCausalLM.__init__ with LLAMA->PERSIMMON,Llama->Persimmon def __init__(self, config): super().__init__(config) self.mo...
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class PersimmonForSequenceClassification(PersimmonPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.model = PersimmonModel(config) self.score = nn.Linear(config.hidden_size, self.num_labels, bias=False) # Initiali...
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class PersimmonForTokenClassification(PersimmonPreTrainedModel): def __init__(self, config): super().__init__(config) self.num_labels = config.num_labels self.model = PersimmonModel(config) if getattr(config, "classifier_dropout", None) is not None: classifier_dropout = c...
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class GPTNeoXJapaneseTokenizer(PreTrainedTokenizer): """ This tokenizer inherits from [`PreTrainedTokenizer`] and is based on Japanese special Sub-Word-Encoding that is used in this repository (https://github.com/tanreinama/Japanese-BPEEncoder_V2). Check the repository for details. Japanese has a relati...
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class SubWordJapaneseTokenizer: """ https://github.com/tanreinama/Japanese-BPEEncoder_V2 This tokenizer class is under MIT Lisence according to the original repository. MIT License Copyright (c) 2020 tanreinama Permission is hereby granted, free of charge, to any person obtaining a copy of th...
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class GPTNeoXJapaneseConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`GPTNeoXModelJapanese`]. It is used to instantiate a GPTNeoX model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults w...
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class GPTNeoXJapanesePreTrainedModel(PreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = GPTNeoXJapaneseConfig base_model_prefix = "gpt_neox_japanese" _no_split_modules = ["GPTNeoXJ...
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class GPTNeoXJapaneseAttention(nn.Module): def __init__(self, config, use_bias=False, layer_idx=None): super().__init__() self.num_attention_heads = config.num_attention_heads self.hidden_size = config.hidden_size self.head_size = self.hidden_size // self.num_attention_heads ...
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class GPTNeoXJapaneseRotaryEmbedding(nn.Module): def __init__(self, config: GPTNeoXJapaneseConfig, device=None): super().__init__() # BC: "rope_type" was originally "type" if hasattr(config, "rope_scaling") and config.rope_scaling is not None: self.rope_type = config.rope_scaling...
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class GPTNeoXJapaneseMLP(nn.Module): def __init__(self, config): super().__init__() intermediate_size = int(config.hidden_size * config.intermediate_multiple_size) self.dense_h_to_4h = nn.Linear(config.hidden_size, intermediate_size, bias=False) # Project back to h. self.dens...
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class GPTNeoXJapaneseLayer(nn.Module): def __init__(self, config, layer_number): super().__init__() self.layer_number = layer_number self.input_layernorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps) self.post_attention_layernorm = nn.LayerNorm(config.hidden_size, eps...
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class GPTNeoXJapaneseModel(GPTNeoXJapanesePreTrainedModel): def __init__(self, config): super().__init__(config) self.config = config self.embed_in = nn.Embedding(config.vocab_size, config.hidden_size) self.layers = nn.ModuleList( [GPTNeoXJapaneseLayer(config=config, lay...
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class GPTNeoXJapaneseForCausalLM(GPTNeoXJapanesePreTrainedModel, GenerationMixin): _tied_weights_keys = ["embed_out.weight"] def __init__(self, config): super().__init__(config) self.config = config self.gpt_neox_japanese = GPTNeoXJapaneseModel(config) self.embed_out = nn.Linea...
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class TFLayoutLMEmbeddings(keras.layers.Layer): """Construct the embeddings from word, position and token_type embeddings.""" def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.config = config self.hidden_size = config.hidden_size self.max_pos...
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class TFLayoutLMSelfAttention(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) if config.hidden_size % config.num_attention_heads != 0: raise ValueError( f"The hidden size ({config.hidden_size}) is not a multiple of th...
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class TFLayoutLMSelfOutput(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) self.L...
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class TFLayoutLMAttention(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.self_attention = TFLayoutLMSelfAttention(config, name="self") self.dense_output = TFLayoutLMSelfOutput(config, name="output") def prune_heads(self, heads...
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class TFLayoutLMIntermediate(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.intermediate_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) ...
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class TFLayoutLMOutput(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), name="dense" ) self.Layer...
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class TFLayoutLMLayer(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.attention = TFLayoutLMAttention(config, name="attention") self.is_decoder = config.is_decoder self.add_cross_attention = config.add_cross_attention ...
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class TFLayoutLMEncoder(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.config = config self.layer = [TFLayoutLMLayer(config, name=f"layer_._{i}") for i in range(config.num_hidden_layers)] def call( self, hidden_...
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class TFLayoutLMPooler(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), activation="tanh"...
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class TFLayoutLMPredictionHeadTransform(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, **kwargs): super().__init__(**kwargs) self.dense = keras.layers.Dense( units=config.hidden_size, kernel_initializer=get_initializer(config.initializer_range), ...
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class TFLayoutLMLMPredictionHead(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, input_embeddings: keras.layers.Layer, **kwargs): super().__init__(**kwargs) self.config = config self.hidden_size = config.hidden_size self.transform = TFLayoutLMPredictionHeadTransform...
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class TFLayoutLMMLMHead(keras.layers.Layer): def __init__(self, config: LayoutLMConfig, input_embeddings: keras.layers.Layer, **kwargs): super().__init__(**kwargs) self.predictions = TFLayoutLMLMPredictionHead(config, input_embeddings, name="predictions") def call(self, sequence_output: tf.Ten...
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class TFLayoutLMMainLayer(keras.layers.Layer): config_class = LayoutLMConfig def __init__(self, config: LayoutLMConfig, add_pooling_layer: bool = True, **kwargs): super().__init__(**kwargs) self.config = config self.embeddings = TFLayoutLMEmbeddings(config, name="embeddings") ...
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class TFLayoutLMPreTrainedModel(TFPreTrainedModel): """ An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained models. """ config_class = LayoutLMConfig base_model_prefix = "layoutlm" @property def input_signature(self): ...
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class TFLayoutLMModel(TFLayoutLMPreTrainedModel): def __init__(self, config: LayoutLMConfig, *inputs, **kwargs): super().__init__(config, *inputs, **kwargs) self.layoutlm = TFLayoutLMMainLayer(config, name="layoutlm") @unpack_inputs @add_start_docstrings_to_model_forward(LAYOUTLM_INPUTS_DO...
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class TFLayoutLMForMaskedLM(TFLayoutLMPreTrainedModel, TFMaskedLanguageModelingLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [ r"pooler", r"cls.seq_relationship", r"cls.predicti...
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class TFLayoutLMForSequenceClassification(TFLayoutLMPreTrainedModel, TFSequenceClassificationLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [r"mlm___cls", r"nsp___cls", r"cls.predictions", r"cls.seq_rel...
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class TFLayoutLMForTokenClassification(TFLayoutLMPreTrainedModel, TFTokenClassificationLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [ r"pooler", r"mlm___cls", r"nsp___cls", ...
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class TFLayoutLMForQuestionAnswering(TFLayoutLMPreTrainedModel, TFQuestionAnsweringLoss): # names with a '.' represents the authorized unexpected/missing layers when a TF model is loaded from a PT model _keys_to_ignore_on_load_unexpected = [ r"pooler", r"mlm___cls", r"nsp___cls", ...
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class LayoutLMTokenizer(PreTrainedTokenizer): r""" Construct a LayoutLM tokenizer. Based on WordPiece. This tokenizer inherits from [`PreTrainedTokenizer`] which contains most of the main methods. Users should refer to this superclass for more information regarding those methods. Args: voc...
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class BasicTokenizer: """ Constructs a BasicTokenizer that will run basic tokenization (punctuation splitting, lower casing, etc.). Args: do_lower_case (`bool`, *optional*, defaults to `True`): Whether or not to lowercase the input when tokenizing. never_split (`Iterable`, *opti...
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class WordpieceTokenizer: """Runs WordPiece tokenization.""" def __init__(self, vocab, unk_token, max_input_chars_per_word=100): self.vocab = vocab self.unk_token = unk_token self.max_input_chars_per_word = max_input_chars_per_word def tokenize(self, text): """ Toke...
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class LayoutLMConfig(PretrainedConfig): r""" This is the configuration class to store the configuration of a [`LayoutLMModel`]. It is used to instantiate a LayoutLM model according to the specified arguments, defining the model architecture. Instantiating a configuration with the defaults will yield a s...
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