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recover from transformers 4.34 refactored #155

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recover from transformers 4.34 refactored #155

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83c0dad
recover `transformers 4.34 refactored`
victorlee0505 Oct 4, 2023
790ea35
implement def get_vocab(self) from transformers
victorlee0505 Oct 6, 2023
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9 changes: 8 additions & 1 deletion ctransformers/transformers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,8 +81,8 @@ def forward(

class CTransformersTokenizer(PreTrainedTokenizer):
def __init__(self, llm: LLM, **kwargs):
super().__init__(**kwargs)
self._llm = llm
super().__init__(**kwargs)

@property
def vocab_size(self) -> int:
Expand Down Expand Up @@ -158,3 +158,10 @@ def _convert_id_to_token(self, index: int) -> str:

def convert_tokens_to_string(self, tokens: List[str]) -> str:
return "".join(tokens)

# Copied from transformers.models.llama.tokenization_llama.LlamaTokenizer.get_vocab
def get_vocab(self):
"""Returns vocab as a dict"""
vocab = {self.convert_ids_to_tokens(i): i for i in range(self.vocab_size)}
vocab.update(self.added_tokens_encoder)
return vocab