Spaces:
Build error
Build error
File size: 2,206 Bytes
a8b3f00 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
import base64
import io
import json
from collections.abc import Generator
from google.cloud import storage as google_cloud_storage
from configs import dify_config
from extensions.storage.base_storage import BaseStorage
class GoogleCloudStorage(BaseStorage):
"""Implementation for Google Cloud storage."""
def __init__(self):
super().__init__()
self.bucket_name = dify_config.GOOGLE_STORAGE_BUCKET_NAME
service_account_json_str = dify_config.GOOGLE_STORAGE_SERVICE_ACCOUNT_JSON_BASE64
# if service_account_json_str is empty, use Application Default Credentials
if service_account_json_str:
service_account_json = base64.b64decode(service_account_json_str).decode("utf-8")
# convert str to object
service_account_obj = json.loads(service_account_json)
self.client = google_cloud_storage.Client.from_service_account_info(service_account_obj)
else:
self.client = google_cloud_storage.Client()
def save(self, filename, data):
bucket = self.client.get_bucket(self.bucket_name)
blob = bucket.blob(filename)
with io.BytesIO(data) as stream:
blob.upload_from_file(stream)
def load_once(self, filename: str) -> bytes:
bucket = self.client.get_bucket(self.bucket_name)
blob = bucket.get_blob(filename)
data = blob.download_as_bytes()
return data
def load_stream(self, filename: str) -> Generator:
bucket = self.client.get_bucket(self.bucket_name)
blob = bucket.get_blob(filename)
with blob.open(mode="rb") as blob_stream:
while chunk := blob_stream.read(4096):
yield chunk
def download(self, filename, target_filepath):
bucket = self.client.get_bucket(self.bucket_name)
blob = bucket.get_blob(filename)
blob.download_to_filename(target_filepath)
def exists(self, filename):
bucket = self.client.get_bucket(self.bucket_name)
blob = bucket.blob(filename)
return blob.exists()
def delete(self, filename):
bucket = self.client.get_bucket(self.bucket_name)
bucket.delete_blob(filename)
|