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18d23501ab
update readme update readme update readme Update benchmarks.py Update download_adapters.sh Update esft.py
41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
# given a message object, convert to prompt and response
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PROMPT_USER: str = 'User: {input}\n\n'
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PROMPT_ASSISTANT: str = 'Assistant:' # should not have a space at the end
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ASSISTANT_RESPONSE: str = ' {input}'
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def get_formatted_question(line):
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return PROMPT_USER.format(input=str(line).strip()) + PROMPT_ASSISTANT
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def get_formatted_answer(line):
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return ASSISTANT_RESPONSE.format(input=str(line).strip())
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def get_formatted_input_and_target(messages, tokenizer, IGNORE_TOKEN_ID=-100, mask_prompt=True):
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input_ids = []
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target_ids = []
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for idx, message in enumerate(messages):
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if idx == 0:
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input_ids.extend([tokenizer.bos_token_id])
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target_ids.extend([tokenizer.bos_token_id])
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if message['role'] == "user":
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formatted_question = get_formatted_question(message['content'])
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tokenized_line = tokenizer.encode(formatted_question, add_special_tokens=False)
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input_ids.extend(tokenized_line)
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if mask_prompt:
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target_ids.extend([IGNORE_TOKEN_ID] * len(tokenized_line))
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else:
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target_ids.extend(tokenized_line)
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elif message['role'] == "assistant":
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formatted_answer = get_formatted_answer(message['content'])
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tokenized_line = tokenizer.encode(formatted_answer, add_special_tokens=False) + [tokenizer.eos_token_id]
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input_ids.extend(tokenized_line)
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if message.get('mask', 0) == 1:
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target_ids.extend([IGNORE_TOKEN_ID] * len(tokenized_line))
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else:
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target_ids.extend(tokenized_line)
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else:
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assert False, f"Unknown role: {message['role']}"
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return [input_ids, target_ids]
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