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Delete prompt_chain.py
Browse files- prompt_chain.py +0 -114
prompt_chain.py
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from typing import Dict, Any, List
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import yaml
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class SimplePromptChain:
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"""A flexible prompt chain implementation using an AIAssistant wrapper."""
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def __init__(self, assistant: AIAssistant, prompts_path: str):
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"""
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Initialize chain with AI assistant and prompts.
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Args:
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assistant: Configured AIAssistant instance
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prompts_path: Path to YAML prompts file
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"""
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self.assistant = assistant
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self.prompts = PromptLoader.load_prompts(prompts_path)
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def execute_step(self,
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prompt_name: str,
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generation_params: Dict[str, Any] = None,
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variables: Dict[str, Any] = None) -> str:
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"""
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Execute single chain step using the AI assistant.
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Args:
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prompt_name: Name of prompt template to use
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generation_params: Optional parameters for generation
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variables: Variables to format the prompt
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Returns:
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Processed response content
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Raises:
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ValueError: If prompt template not found
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"""
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# Validate prompt exists
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if prompt_name not in self.prompts:
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raise ValueError(f"Prompt '{prompt_name}' not found in loaded templates")
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prompt_template = self.prompts[prompt_name]
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try:
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# Generate response using assistant
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response = self.assistant.generate_response(
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prompt_template=prompt_template,
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generation_params=generation_params,
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stream=True,
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**variables or {}
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)
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# Extract and return content from response
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return response.choices[0].message.content
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except Exception as e:
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raise Exception(f"Error in step execution: {str(e)}")
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def run_chain(self, steps: List[Dict[str, Any]]) -> Dict[str, str]:
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"""
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Execute chain of prompts using the AI assistant.
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Args:
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steps: List of steps to execute, each containing:
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- prompt_name: Name of prompt template
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- variables: Variables for the prompt
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- output_key: Key to store step output
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- generation_params: Optional generation parameters
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Returns:
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Dict of step outputs keyed by output_key
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Example:
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steps = [
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{
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"prompt_name": "analyze",
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"variables": {"text": "Sample text"},
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"output_key": "analysis",
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"generation_params": {"temperature": 0.7}
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},
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{
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"prompt_name": "summarize",
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"variables": {"text": "{analysis}"},
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"output_key": "summary"
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}
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]
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"""
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results = {}
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for step in steps:
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prompt_name = step["prompt_name"]
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output_key = step["output_key"]
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generation_params = step.get("generation_params", None)
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# Process variables, handling references to previous outputs
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variables = {}
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for key, value in step.get("variables", {}).items():
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if isinstance(value, str) and value.startswith("{") and value.endswith("}"):
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# Extract referenced output key
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ref_key = value[1:-1]
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if ref_key not in results:
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raise ValueError(f"Referenced output '{ref_key}' not found in previous results")
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variables[key] = results[ref_key]
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else:
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variables[key] = value
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# Execute step and store result
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print(f"\nExecuting step: {prompt_name}...")
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result = self.execute_step(
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prompt_name=prompt_name,
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generation_params=generation_params,
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variables=variables
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)
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results[output_key] = result
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return results
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