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#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
import time
from minio import Minio
from minio.error import S3Error
from io import BytesIO
from rag import settings
from rag.utils import singleton
@singleton
class RAGFlowMinio:
def __init__(self):
self.conn = None
self.__open__()
def __open__(self):
try:
if self.conn:
self.__close__()
except Exception:
pass
try:
self.conn = Minio(settings.MINIO["host"],
access_key=settings.MINIO["user"],
secret_key=settings.MINIO["password"],
secure=False
)
except Exception:
logging.exception(
"Fail to connect %s " % settings.MINIO["host"])
def __close__(self):
del self.conn
self.conn = None
def health(self):
bucket, fnm, binary = "txtxtxtxt1", "txtxtxtxt1", b"_t@@@1"
if not self.conn.bucket_exists(bucket):
self.conn.make_bucket(bucket)
r = self.conn.put_object(bucket, fnm,
BytesIO(binary),
len(binary)
)
return r
def put(self, bucket, fnm, binary):
for _ in range(3):
try:
if not self.conn.bucket_exists(bucket):
self.conn.make_bucket(bucket)
r = self.conn.put_object(bucket, fnm,
BytesIO(binary),
len(binary)
)
return r
except Exception:
logging.exception(f"Fail to put {bucket}/{fnm}:")
self.__open__()
time.sleep(1)
def rm(self, bucket, fnm):
try:
self.conn.remove_object(bucket, fnm)
except Exception:
logging.exception(f"Fail to remove {bucket}/{fnm}:")
def get(self, bucket, filename):
for _ in range(1):
try:
r = self.conn.get_object(bucket, filename)
return r.read()
except Exception:
logging.exception(f"Fail to get {bucket}/{filename}")
self.__open__()
time.sleep(1)
return
def obj_exist(self, bucket, filename):
try:
if not self.conn.bucket_exists(bucket):
return False
if self.conn.stat_object(bucket, filename):
return True
else:
return False
except S3Error as e:
if e.code in ["NoSuchKey", "NoSuchBucket", "ResourceNotFound"]:
return False
except Exception:
logging.exception(f"obj_exist {bucket}/{filename} got exception")
return False
def get_presigned_url(self, bucket, fnm, expires):
for _ in range(10):
try:
return self.conn.get_presigned_url("GET", bucket, fnm, expires)
except Exception:
logging.exception(f"Fail to get_presigned {bucket}/{fnm}:")
self.__open__()
time.sleep(1)
return
MINIO = RAGFlowMinio()
if __name__ == "__main__":
conn = RAGFlowMinio()
fnm = "/opt/home/kevinhu/docgpt/upload/13/11-408.jpg"
from PIL import Image
img = Image.open(fnm)
buff = BytesIO()
img.save(buff, format='JPEG')
print(conn.put("test", "11-408.jpg", buff.getvalue()))
bts = conn.get("test", "11-408.jpg")
img = Image.open(BytesIO(bts))
img.save("test.jpg")
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