mirror of
https://github.com/hwchase17/langchain
synced 2024-11-08 07:10:35 +00:00
28 lines
844 B
Python
28 lines
844 B
Python
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from typing import Any, List
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def _get_anthropic_client() -> Any:
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try:
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import anthropic
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except ImportError:
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raise ImportError(
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"Could not import anthropic python package. "
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"This is needed in order to accurately tokenize the text "
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"for anthropic models. Please install it with `pip install anthropic`."
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)
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return anthropic.Anthropic()
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def get_num_tokens_anthropic(text: str) -> int:
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"""Get the number of tokens in a string of text."""
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client = _get_anthropic_client()
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return client.count_tokens(text=text)
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def get_token_ids_anthropic(text: str) -> List[int]:
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"""Get the token ids for a string of text."""
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client = _get_anthropic_client()
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tokenizer = client.get_tokenizer()
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encoded_text = tokenizer.encode(text)
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return encoded_text.ids
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