63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
# llm/bedrock.py
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import boto3
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import asyncio
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import time
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from config import AWS_REGION, BEDROCK_MODEL
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from botocore.exceptions import ClientError
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from util.logger import get_logger
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logger = get_logger("BEDROCK")
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class BedrockClient:
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def __init__(self):
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self.client = boto3.client(
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"bedrock-runtime",
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region_name=AWS_REGION,
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# aws_access_key_id und aws_secret_access_key werden aus ENV geladen
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)
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async def chat(self, messages, tools=None):
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request = {
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"modelId": BEDROCK_MODEL,
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"messages": messages,
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"inferenceConfig": {
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"maxTokens": 800,
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"temperature": 0.6,
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"topP": 0.95
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}
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}
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if tools and len(tools) > 0:
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request["toolConfig"] = {"tools": tools}
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start_time = time.time()
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logger.info(f"→ Bedrock Aufruf gestartet (Model: {BEDROCK_MODEL})")
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try:
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loop = asyncio.get_running_loop()
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# Mit Timeout (15 Sekunden)
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response = await asyncio.wait_for(
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loop.run_in_executor(
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None,
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lambda: self.client.converse(**request)
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),
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timeout=15.0
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)
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duration = time.time() - start_time
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logger.info(f"← Bedrock Antwort erhalten in {duration:.2f}s")
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return response
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except asyncio.TimeoutError:
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logger.error("❌ Bedrock Timeout nach 15 Sekunden")
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raise Exception("Bedrock-Anfrage hat zu lange gedauert (Timeout)")
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except ClientError as e:
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error_code = e.response['Error']['Code']
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logger.error(f"❌ Bedrock ClientError: {error_code} - {e}")
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raise Exception(f"Bedrock Fehler: {e}") from e
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except Exception as e:
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logger.error(f"❌ Unerwarteter Fehler bei Bedrock: {e}")
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raise |