Files

62 lines
1.6 KiB
Python

from __future__ import annotations
from app.core.config import settings
_s3_client = None
def get_s3_client():
global _s3_client
if _s3_client is None:
import boto3
_s3_client = boto3.client(
"s3",
endpoint_url=settings.s3_endpoint,
aws_access_key_id=settings.s3_access_key,
aws_secret_access_key=settings.s3_secret_key,
region_name=settings.s3_region,
)
return _s3_client
def ensure_bucket() -> None:
if settings.storage_mode != "s3":
return
client = get_s3_client()
bucket = settings.s3_bucket
try:
client.head_bucket(Bucket=bucket)
except Exception:
client.create_bucket(Bucket=bucket)
def upload_object(key: str, body: bytes, content_type: str) -> None:
if settings.storage_mode == "memory":
memory_store[key] = (body, content_type)
return
client = get_s3_client()
ensure_bucket()
client.put_object(
Bucket=settings.s3_bucket,
Key=key,
Body=body,
ContentType=content_type,
)
def download_object(key: str) -> tuple[bytes, str] | None:
if settings.storage_mode == "memory":
return memory_store.get(key)
client = get_s3_client()
try:
response = client.get_object(Bucket=settings.s3_bucket, Key=key)
body = response["Body"].read()
content_type = response.get("ContentType", "application/octet-stream")
return body, content_type
except Exception:
return None
memory_store: dict[str, tuple[bytes, str]] = {}