rowboat/apps/copilot/app.py
2025-02-20 15:48:17 +05:30

125 lines
No EOL
3.9 KiB
Python

from flask import Flask, request, jsonify
from pydantic import BaseModel, ValidationError
from typing import List
from copilot import UserMessage, AssistantMessage, get_response
from lib import AgentContext, PromptContext, ToolContext, ChatContext
import os
from functools import wraps
from copilot import copilot_instructions, copilot_instructions_edit_agent
class ApiRequest(BaseModel):
messages: List[UserMessage | AssistantMessage]
workflow_schema: str
current_workflow_config: str
context: AgentContext | PromptContext | ToolContext | ChatContext | None = None
class ApiResponse(BaseModel):
response: str
app = Flask(__name__)
def validate_request(request_data: ApiRequest) -> None:
"""Validate the chat request data."""
if not request_data.messages:
raise ValueError('Messages list cannot be empty')
if not isinstance(request_data.messages[-1], UserMessage):
raise ValueError('Last message must be a user message')
def require_api_key(f):
@wraps(f)
def decorated(*args, **kwargs):
auth_header = request.headers.get('Authorization')
if not auth_header or not auth_header.startswith('Bearer '):
return jsonify({'error': 'Missing or invalid authorization header'}), 401
token = auth_header.split('Bearer ')[1]
actual = os.environ.get('API_KEY', '').strip()
if actual and token != actual:
return jsonify({'error': 'Invalid API key'}), 403
return f(*args, **kwargs)
return decorated
@app.route('/health', methods=['GET'])
def health():
return jsonify({'status': 'ok'})
@app.route('/chat', methods=['POST'])
@require_api_key
def chat():
try:
request_data = ApiRequest(**request.json)
validate_request(request_data)
response = get_response(
messages=request_data.messages,
workflow_schema=request_data.workflow_schema,
current_workflow_config=request_data.current_workflow_config,
context=request_data.context,
copilot_instructions=copilot_instructions
)
api_response = ApiResponse(response=response).model_dump()
return jsonify(api_response)
except ValidationError as ve:
print(ve)
return jsonify({
'error': 'Invalid request format',
'details': str(ve)
}), 400
except ValueError as ve:
print(ve)
return jsonify({
'error': 'Invalid request data',
'details': str(ve)
}), 400
except Exception as e:
print(e)
return jsonify({
'error': 'Internal server error',
'details': str(e)
}), 500
@app.route('/edit_agent_instructions', methods=['POST'])
@require_api_key
def edit_agent_instructions():
try:
request_data = ApiRequest(**request.json)
validate_request(request_data)
response = get_response(
messages=request_data.messages,
workflow_schema=request_data.workflow_schema,
current_workflow_config=request_data.current_workflow_config,
context=request_data.context,
copilot_instructions=copilot_instructions_edit_agent
)
api_response = ApiResponse(response=response).model_dump()
return jsonify(api_response)
except ValidationError as ve:
print(ve)
return jsonify({
'error': 'Invalid request format',
'details': str(ve)
}), 400
except ValueError as ve:
print(ve)
return jsonify({
'error': 'Invalid request data',
'details': str(ve)
}), 400
except Exception as e:
print(e)
return jsonify({
'error': 'Internal server error',
'details': str(e)
}), 500
if __name__ == '__main__':
print("Starting Flask server...")
app.run(port=3002, host='0.0.0.0', debug=True)