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17 lines
437 B
Python
17 lines
437 B
Python
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import tiktoken
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from fastapi import FastAPI
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ENCODING_NAME = "cl100k_base" # gpt-4, gpt-3.5-turbo, text-embedding-ada-002
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def init_tokenizer(app: FastAPI) -> None: # pragma: no cover
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"""
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Initialize tokenizer.
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TikToken downloads the encoding on start. It is then
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stored in the state of the application.
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:param app: current application.
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"""
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app.state.token_encoding = tiktoken.get_encoding(ENCODING_NAME)
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