mirror of
https://github.com/langgenius/dify.git
synced 2025-10-31 02:42:59 +00:00
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
import io
|
|
from collections.abc import Generator
|
|
from pathlib import Path
|
|
|
|
from supabase import Client
|
|
|
|
from configs import dify_config
|
|
from extensions.storage.base_storage import BaseStorage
|
|
|
|
|
|
class SupabaseStorage(BaseStorage):
|
|
"""Implementation for supabase obs storage."""
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
if dify_config.SUPABASE_URL is None:
|
|
raise ValueError("SUPABASE_URL is not set")
|
|
if dify_config.SUPABASE_API_KEY is None:
|
|
raise ValueError("SUPABASE_API_KEY is not set")
|
|
if dify_config.SUPABASE_BUCKET_NAME is None:
|
|
raise ValueError("SUPABASE_BUCKET_NAME is not set")
|
|
|
|
self.bucket_name = dify_config.SUPABASE_BUCKET_NAME
|
|
self.client = Client(supabase_url=dify_config.SUPABASE_URL, supabase_key=dify_config.SUPABASE_API_KEY)
|
|
self.create_bucket(id=dify_config.SUPABASE_BUCKET_NAME, bucket_name=dify_config.SUPABASE_BUCKET_NAME)
|
|
|
|
def create_bucket(self, id, bucket_name):
|
|
if not self.bucket_exists():
|
|
self.client.storage.create_bucket(id=id, name=bucket_name)
|
|
|
|
def save(self, filename, data):
|
|
self.client.storage.from_(self.bucket_name).upload(filename, data)
|
|
|
|
def load_once(self, filename: str) -> bytes:
|
|
content: bytes = self.client.storage.from_(self.bucket_name).download(filename)
|
|
return content
|
|
|
|
def load_stream(self, filename: str) -> Generator:
|
|
result = self.client.storage.from_(self.bucket_name).download(filename)
|
|
byte_stream = io.BytesIO(result)
|
|
while chunk := byte_stream.read(4096): # Read in chunks of 4KB
|
|
yield chunk
|
|
|
|
def download(self, filename, target_filepath):
|
|
result = self.client.storage.from_(self.bucket_name).download(filename)
|
|
Path(target_filepath).write_bytes(result)
|
|
|
|
def exists(self, filename):
|
|
result = self.client.storage.from_(self.bucket_name).list(filename)
|
|
if result.count() > 0:
|
|
return True
|
|
return False
|
|
|
|
def delete(self, filename):
|
|
self.client.storage.from_(self.bucket_name).remove(filename)
|
|
|
|
def bucket_exists(self):
|
|
buckets = self.client.storage.list_buckets()
|
|
return any(bucket.name == self.bucket_name for bucket in buckets)
|