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https://github.com/Aider-AI/aider.git
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128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
import argparse
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import json
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import tiktoken
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from aider import models, prompts
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from aider.dump import dump # noqa: F401
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from aider.sendchat import simple_send_with_retries
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class ChatSummary:
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def __init__(self, model=models.GPT35.name, max_tokens=1024):
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self.tokenizer = tiktoken.encoding_for_model(model)
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self.max_tokens = max_tokens
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def too_big(self, messages):
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sized = self.tokenize(messages)
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total = sum(tokens for tokens, _msg in sized)
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return total > self.max_tokens
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def tokenize(self, messages):
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sized = []
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for msg in messages:
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tokens = len(self.tokenizer.encode(json.dumps(msg)))
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sized.append((tokens, msg))
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return sized
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def summarize(self, messages):
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if len(messages) <= 4:
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return self.summarize_all(messages)
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sized = self.tokenize(messages)
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total = sum(tokens for tokens, _msg in sized)
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if total <= self.max_tokens:
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return messages
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tail_tokens = 0
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split_index = len(messages)
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half_max_tokens = self.max_tokens // 2
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# Iterate over the messages in reverse order
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for i in range(len(sized) - 1, -1, -1):
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tokens, _msg = sized[i]
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if tail_tokens + tokens < half_max_tokens:
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tail_tokens += tokens
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split_index = i
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else:
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break
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# Ensure the head ends with an assistant message
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while messages[split_index - 1]["role"] != "assistant" and split_index > 1:
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split_index -= 1
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head = messages[:split_index]
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tail = messages[split_index:]
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summary = self.summarize_all(head)
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tail_tokens = sum(tokens for tokens, msg in sized[split_index:])
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summary_tokens = len(self.tokenizer.encode(json.dumps(summary)))
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result = summary + tail
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if summary_tokens + tail_tokens < self.max_tokens:
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return result
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return self.summarize(result)
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def summarize_all(self, messages):
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content = ""
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for msg in messages:
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role = msg["role"].upper()
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if role not in ("USER", "ASSISTANT"):
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continue
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content += f"# {role}\n"
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content += msg["content"]
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if not content.endswith("\n"):
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content += "\n"
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messages = [
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dict(role="system", content=prompts.summarize),
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dict(role="user", content=content),
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]
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summary = simple_send_with_retries(model=models.GPT35.name, messages=messages)
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summary = prompts.summary_prefix + summary
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return [dict(role="user", content=summary)]
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("filename", help="Markdown file to parse")
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args = parser.parse_args()
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with open(args.filename, "r") as f:
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text = f.read()
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messages = []
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assistant = []
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for line in text.splitlines(keepends=True):
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if line.startswith("# "):
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continue
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if line.startswith(">"):
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continue
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if line.startswith("#### /"):
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continue
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if line.startswith("#### "):
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if assistant:
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assistant = "".join(assistant)
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if assistant.strip():
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messages.append(dict(role="assistant", content=assistant))
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assistant = []
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content = line[5:]
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if content.strip() and content.strip() != "<blank>":
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messages.append(dict(role="user", content=line[5:]))
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continue
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assistant.append(line)
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summarizer = ChatSummary(models.GPT35.name)
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summary = summarizer.summarize(messages[-40:])
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dump(summary)
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if __name__ == "__main__":
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main()
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