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44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
from dataclasses import dataclass
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from temporalio import activity
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from ollama import chat, ChatResponse
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import json
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from temporalio.exceptions import ApplicationError
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@dataclass
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class OllamaPromptInput:
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prompt: str
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context_instructions: str
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class OllamaActivities:
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@activity.defn
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def prompt_ollama(self, input: OllamaPromptInput) -> str:
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model_name = "qwen2.5:14b"
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messages = [
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{
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"role": "system",
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"content": input.context_instructions,
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},
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{
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"role": "user",
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"content": input.prompt,
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},
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]
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response: ChatResponse = chat(model=model_name, messages=messages)
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return response.message.content
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@activity.defn
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def parse_tool_data(self, json_str: str) -> dict:
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"""
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Parses a JSON string into a dictionary.
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Raises a ValueError if the JSON is invalid.
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"""
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try:
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data = json.loads(json_str)
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except json.JSONDecodeError as e:
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raise ApplicationError(f"Invalid JSON: {e}")
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return data
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