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77 lines
No EOL
2.4 KiB
Python
77 lines
No EOL
2.4 KiB
Python
from flask import Flask, request, jsonify
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from pydantic import BaseModel, ValidationError
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from typing import List
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from copilot import UserMessage, AssistantMessage, get_response
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from lib import AgentContext, PromptContext, ToolContext, ChatContext
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class ApiRequest(BaseModel):
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messages: List[UserMessage | AssistantMessage]
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workflow_schema: str
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current_workflow_config: str
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context: AgentContext | PromptContext | ToolContext | ChatContext | None = None
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class ApiResponse(BaseModel):
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response: str
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app = Flask(__name__)
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def validate_request(request_data: ApiRequest) -> None:
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"""Validate the chat request data."""
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if not request_data.messages:
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raise ValueError('Messages list cannot be empty')
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if not isinstance(request_data.messages[-1], UserMessage):
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raise ValueError('Last message must be a user message')
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@app.route('/chat', methods=['POST'])
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def chat():
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try:
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# Log incoming request
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print(f"Incoming request: {request.json}")
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# Parse and validate request
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request_data = ApiRequest(**request.json)
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validate_request(request_data)
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# Process chat request
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response = get_response(
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messages=request_data.messages,
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workflow_schema=request_data.workflow_schema,
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current_workflow_config=request_data.current_workflow_config,
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context=request_data.context
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)
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# Create API response
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api_response = ApiResponse(response=response).model_dump()
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# Log response before sending
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print(f"Outgoing response: {api_response}")
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return jsonify(api_response)
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except ValidationError as ve:
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# Log the unexpected error here
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print(ve)
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return jsonify({
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'error': 'Invalid request format',
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'details': str(ve)
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}), 400
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except ValueError as ve:
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# Log the unexpected error here
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print(ve)
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return jsonify({
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'error': 'Invalid request data',
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'details': str(ve)
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}), 400
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except Exception as e:
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# Log the unexpected error here
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print(e)
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return jsonify({
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'error': 'Internal server error',
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'details': str(e)
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}), 500
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if __name__ == '__main__':
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print("Starting Flask server...")
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app.run(port=5000, debug=True) |