Update app.py

This commit is contained in:
Marcos Lohmann
2025-09-09 15:31:34 -03:00
committed by GitHub
parent ec833ad771
commit 20a53140f0

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@@ -46,6 +46,16 @@ if not TEST_MODE:
print("Executando em modo de teste...") print("Executando em modo de teste...")
TEST_MODE = True TEST_MODE = True
# --------------------------
# Modelos suportados
# --------------------------
SUPPORTED_MODELS = {
"gpt5": "ocid1.generativeaimodel.oc1.us-chicago-1.amaaaaaask7dceyasebknceb4ekbiaiisjtu3fj5i7s4io3ignvg4ip2uyma",
"grok3mini": "ocid1.generativeaimodel.oc1.us-chicago-1.amaaaaaask7dceyavwbgai5nlntsd5hngaileroifuoec5qxttmydhq7mykq",
"llama4maverick": "ocid1.generativeaimodel.oc1.us-chicago-1.amaaaaaask7dceyayjawvuonfkw2ua4bob4rlnnlhs522pafbglivtwlfzta"
}
# -------------------------- # --------------------------
# Session Store # Session Store
# -------------------------- # --------------------------
@@ -114,10 +124,13 @@ def session_controller(region, agent_endpoint_id, channel, cuid):
# Inferência GenAI # Inferência GenAI
# -------------------------- # --------------------------
def call_inference_model(region, compartment_id, model_id, prompt): def call_inference_model(region, compartment_id, model_id, prompt, **kwargs):
if TEST_MODE: if TEST_MODE:
return {"response": {"text": f"Resposta simulada: {prompt}", "finish_reason": "stop"}} return {"response": {"text": f"Resposta simulada: {prompt}", "finish_reason": "stop"}}
if model_id not in SUPPORTED_MODELS.values():
return {"error": "Modelo não implementado"}
try: try:
endpoint = f"https://inference.generativeai.{region}.oci.oraclecloud.com" endpoint = f"https://inference.generativeai.{region}.oci.oraclecloud.com"
@@ -134,12 +147,18 @@ def call_inference_model(region, compartment_id, model_id, prompt):
chat_request = oci.generative_ai_inference.models.GenericChatRequest( chat_request = oci.generative_ai_inference.models.GenericChatRequest(
api_format=oci.generative_ai_inference.models.BaseChatRequest.API_FORMAT_GENERIC, api_format=oci.generative_ai_inference.models.BaseChatRequest.API_FORMAT_GENERIC,
messages=[message], messages=[message],
max_tokens=50000, max_tokens=kwargs.get("max_tokens", 600),
temperature=1, temperature=kwargs.get("temperature", 1),
top_p=1, top_p=kwargs.get("top_p", 1),
top_k=0 top_k=kwargs.get("top_k", 0),
frequency_penalty=kwargs.get("frequency_penalty", 0),
presence_penalty=kwargs.get("presence_penalty", 0)
) )
if model_id == SUPPORTED_MODELS["gpt5"]:
chat_request.reasoning_effort = kwargs.get("reasoning_effort", "MEDIUM")
chat_request.verbosity = kwargs.get("verbosity", "MEDIUM")
chat_detail = oci.generative_ai_inference.models.ChatDetails( chat_detail = oci.generative_ai_inference.models.ChatDetails(
serving_mode=oci.generative_ai_inference.models.OnDemandServingMode(model_id=model_id), serving_mode=oci.generative_ai_inference.models.OnDemandServingMode(model_id=model_id),
chat_request=chat_request, chat_request=chat_request,
@@ -149,171 +168,12 @@ def call_inference_model(region, compartment_id, model_id, prompt):
chat_response = generative_ai_inference_client.chat(chat_detail) chat_response = generative_ai_inference_client.chat(chat_detail)
choice = chat_response.data.chat_response.choices[0] choice = chat_response.data.chat_response.choices[0]
return {"response": { return {
"response": {
"text": choice.message.content[0].text, "text": choice.message.content[0].text,
"finish_reason": choice.finish_reason "finish_reason": choice.finish_reason
}} }
}
except Exception as e: except Exception as e:
return {"error": str(e)} return {"error": str(e)}
# --------------------------
# Autenticação
# --------------------------
def check_api_key():
expected_key = os.environ.get("API_KEY")
if not expected_key:
print("AVISO: API_KEY não configurada.")
return
auth_header = request.headers.get("Authorization", "")
token = ""
if auth_header.startswith("Bearer "):
token = auth_header.split("Bearer ")[1].strip()
else:
token = request.headers.get("X-API-Key")
if token != expected_key:
abort(401, description="API key inválida.")
@app.before_request
def before_all_requests():
check_api_key()
# --------------------------
# Endpoints REST
# --------------------------
@app.route("/", methods=["GET"])
def test():
return jsonify({"status": "ok"})
@app.route("/genai-agent/<region>/<agent_endpoint_id>/session", methods=["POST"])
def manage_session(region, agent_endpoint_id):
data = request.get_json()
channel = data.get("channel")
cuid = data.get("cuid")
if not all([channel, cuid]):
return jsonify({"error": "Parâmetros 'channel' e 'cuid' são obrigatórios"}), 400
response_data = session_controller(region, agent_endpoint_id, channel, cuid)
return jsonify(response_data)
@app.route("/genai-agent/<region>/<agent_endpoint_id>/<session_id>/chat", methods=["POST"])
def agent_chat(region, agent_endpoint_id, session_id):
data = request.get_json()
user_message = data.get("userMessage")
if not user_message:
return jsonify({"error": "userMessage é obrigatório"}), 400
try:
base_url = f"https://agent-runtime.generativeai.{region}.oci.oraclecloud.com/20240531"
chat_url = f"{base_url}/agentEndpoints/{agent_endpoint_id}/actions/chat"
session_obj = requests.Session()
session_obj.auth = signer
payload = {
"userMessage": user_message,
"shouldStream": False,
"sessionId": session_id
}
response = session_obj.post(chat_url, json=payload)
response.raise_for_status()
return jsonify({"agentResponse": response.json()})
except Exception as e:
return jsonify({"error": str(e)}), 500
@app.route("/genai/<region>/<compartment_id>/<model_id>/inference", methods=["POST"])
def inference(region, compartment_id, model_id):
data = request.get_json()
prompt = data.get("prompt")
if not prompt:
return jsonify({"error": "Campo 'prompt' é obrigatório."}), 400
response_data = call_inference_model(region, compartment_id, model_id, prompt)
return jsonify(response_data)
@app.route("/genai/<region>/<compartment_id>/<model_id>/v1/chat/completions", methods=["POST"])
def openai_compatible_chat(region, compartment_id, model_id):
data = request.get_json()
messages = data.get("messages", [])
temperature = data.get("temperature", 1)
top_p = data.get("top_p", 1)
top_k = data.get("top_k", 0)
max_tokens = data.get("max_tokens", 1000)
user_prompt = next((m["content"] for m in reversed(messages) if m["role"] == "user"), None)
if not user_prompt:
return jsonify({"error": "mensagem do usuário é obrigatória"}), 400
response = call_inference_model(region, compartment_id, model_id, user_prompt)
if "error" in response:
return jsonify({"error": response["error"]}), 500
result_text = response["response"]["text"]
finish_reason = response["response"].get("finish_reason", "stop")
return jsonify({
"id": f"chatcmpl-{uuid.uuid4().hex[:12]}",
"object": "chat.completion",
"created": int(time.time()),
"model": model_id,
"choices": [
{
"index": 0,
"message": {"role": "assistant", "content": result_text},
"finish_reason": finish_reason
}
]
})
@app.route("/genai/<region>/<compartment_id>/<model_id>/v1/completions", methods=["POST"])
def openai_compatible_completion(region, compartment_id, model_id):
data = request.get_json()
prompt = data.get("prompt")
temperature = data.get("temperature", 1)
top_p = data.get("top_p", 1)
top_k = data.get("top_k", 0)
max_tokens = data.get("max_tokens", 1000)
stop = data.get("stop")
if not prompt:
return jsonify({"error": "Campo 'prompt' é obrigatório."}), 400
response = call_inference_model(region, compartment_id, model_id, prompt)
if "error" in response:
return jsonify({"error": response["error"]}), 500
result_text = response["response"]["text"]
finish_reason = response["response"].get("finish_reason", "stop")
if stop:
if isinstance(stop, list):
for s in stop:
if s in result_text:
result_text = result_text.split(s)[0]
break
elif isinstance(stop, str) and stop in result_text:
result_text = result_text.split(stop)[0]
return jsonify({
"id": f"cmpl-{uuid.uuid4().hex[:12]}",
"object": "text_completion",
"created": int(time.time()),
"model": model_id,
"choices": [
{
"index": 0,
"text": result_text,
"logprobs": None,
"finish_reason": finish_reason
}
]
})
# --------------------------
# Inicialização
# --------------------------
if __name__ == '__main__':
app.run(host='0.0.0.0', port=8000)