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Update app.py
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app.py
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@@ -1,49 +1,25 @@
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import os
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import
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from fastapi import FastAPI, HTTPException, Query
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from fastapi.responses import StreamingResponse
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from pydantic import BaseModel
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from openai import AsyncOpenAI
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from typing import Optional
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logging.basicConfig(level=logging.DEBUG)
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logger = logging.getLogger(__name__)
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description="API for streaming AI responses with model selection and publisher via URL",
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version="1.0.0"
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)
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class GenerateRequest(BaseModel):
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prompt: str
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publisher: Optional[str] = None # Allow publisher in the body if needed
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async def generate_ai_response(prompt: str, model: str, publisher: Optional[str]):
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logger.debug(f"Received prompt: {prompt}, model: {model}, publisher: {publisher}")
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# Configuration for AI endpoint
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token = os.getenv("GITHUB_TOKEN")
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endpoint = os.getenv("AI_SERVER_URL", "https://models.github.ai/inference")
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default_publisher = os.getenv("DEFAULT_PUBLISHER", "abdullahalioo") # Fallback publisher
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if not token:
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logger.error("GitHub token not configured")
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raise HTTPException(status_code=500, detail="GitHub token not configured")
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client = AsyncOpenAI(
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base_url=endpoint,
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api_key=token,
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default_headers={"X-Publisher": final_publisher} # Pass publisher as header
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)
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try:
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stream = await client.chat.completions.create(
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messages=[
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{"role": "system", "content": "You are a helpful assistant named Orion
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{"role": "user", "content": prompt}
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],
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model=model,
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@@ -57,55 +33,18 @@ async def generate_ai_response(prompt: str, model: str, publisher: Optional[str]
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yield chunk.choices[0].delta.content
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except Exception as err:
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error_msg = str(err)
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if "unknown_model" in error_msg.lower():
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raise HTTPException(status_code=400, detail=f"AI server error: {error_msg}")
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yield f"Error: {error_msg}"
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raise HTTPException(status_code=500, detail=f"AI generation failed: {error_msg}")
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@app.post("/generate"
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async def generate_response(
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prompt: Optional[str] = Query(None, description="The input text prompt for the AI"),
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publisher: Optional[str] = Query(None, description="Publisher identifier (optional, defaults to DEFAULT_PUBLISHER env var)"),
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request: Optional[GenerateRequest] = None
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):
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"""
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Generate a streaming AI response based on the provided prompt, model, and publisher.
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- **model**: The AI model to use (e.g., DeepSeek-V3-0324)
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- **prompt**: The input text prompt for the AI (query param or body)
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- **publisher**: The publisher identifier (optional, defaults to DEFAULT_PUBLISHER env var)
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"""
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logger.debug(f"Request received - model: {model}, prompt: {prompt}, publisher: {publisher}, body: {request}")
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# Determine prompt source: query parameter or request body
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final_prompt = prompt if prompt is not None else (request.prompt if request is not None else None)
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# Determine publisher source: query parameter or request body
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final_publisher = publisher if publisher is not None else (request.publisher if request is not None else None)
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if not final_prompt or not final_prompt.strip():
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logger.error("Prompt cannot be empty")
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raise HTTPException(status_code=400, detail="Prompt cannot be empty")
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if not model or not model.strip():
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logger.error("Model cannot be empty")
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raise HTTPException(status_code=400, detail="Model cannot be empty")
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return StreamingResponse(
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generate_ai_response(
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media_type="text/event-stream"
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)
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@app.get("/models", summary="List available models")
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async def list_models():
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"""
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List all available models supported by the AI server.
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"""
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return {"models": VALID_MODELS}
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def get_app():
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return app
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import os
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from fastapi import FastAPI, HTTPException
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from fastapi.responses import StreamingResponse
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from openai import AsyncOpenAI
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app = FastAPI()
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async def generate_ai_response(prompt: str):
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# Configuration for unofficial GitHub AI endpoint
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token = os.getenv("GITHUB_TOKEN")
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if not token:
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raise HTTPException(status_code=500, detail="GitHub token not configured")
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endpoint = "https://models.github.ai/inference"
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model = "openai/gpt-4.1-mini" # Unofficial model name
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client = AsyncOpenAI(base_url=endpoint, api_key=token)
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try:
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stream = await client.chat.completions.create(
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messages=[
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{"role": "system", "content": "You are a helpful assistant named Orion and made by Abdullah Ali"},
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{"role": "user", "content": prompt}
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],
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model=model,
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yield chunk.choices[0].delta.content
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except Exception as err:
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yield f"Error: {str(err)}"
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raise HTTPException(status_code=500, detail="AI generation failed")
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@app.post("/generate")
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async def generate_response(prompt: str):
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if not prompt:
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raise HTTPException(status_code=400, detail="Prompt cannot be empty")
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return StreamingResponse(
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generate_ai_response(prompt),
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media_type="text/event-stream"
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)
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def get_app():
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return app
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