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from collections.abc import Generator
import boto3
from botocore.exceptions import ClientError
from configs import dify_config
from extensions.storage.base_storage import BaseStorage
class OracleOCIStorage(BaseStorage):
"""Implementation for Oracle OCI storage."""
def __init__(self):
super().__init__()
self.bucket_name = dify_config.OCI_BUCKET_NAME
self.client = boto3.client(
"s3",
aws_secret_access_key=dify_config.OCI_SECRET_KEY,
aws_access_key_id=dify_config.OCI_ACCESS_KEY,
endpoint_url=dify_config.OCI_ENDPOINT,
region_name=dify_config.OCI_REGION,
)
def save(self, filename, data):
self.client.put_object(Bucket=self.bucket_name, Key=filename, Body=data)
def load_once(self, filename: str) -> bytes:
try:
data = self.client.get_object(Bucket=self.bucket_name, Key=filename)["Body"].read()
except ClientError as ex:
if ex.response["Error"]["Code"] == "NoSuchKey":
raise FileNotFoundError("File not found")
else:
raise
return data
def load_stream(self, filename: str) -> Generator:
try:
response = self.client.get_object(Bucket=self.bucket_name, Key=filename)
yield from response["Body"].iter_chunks()
except ClientError as ex:
if ex.response["Error"]["Code"] == "NoSuchKey":
raise FileNotFoundError("File not found")
else:
raise
def download(self, filename, target_filepath):
self.client.download_file(self.bucket_name, filename, target_filepath)
def exists(self, filename):
try:
self.client.head_object(Bucket=self.bucket_name, Key=filename)
return True
except:
return False
def delete(self, filename):
self.client.delete_object(Bucket=self.bucket_name, Key=filename)
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