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3894de895b
### What problem does this PR solve? Add license statement. ### Type of change - [x] Refactoring Signed-off-by: Jin Hai <haijin.chn@gmail.com>
96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
#
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# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import logging
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import os
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import time
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from io import BytesIO
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from rag import settings
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from rag.utils import singleton
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from azure.storage.blob import ContainerClient
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@singleton
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class RAGFlowAzureSasBlob(object):
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def __init__(self):
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self.conn = None
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self.container_url = os.getenv('CONTAINER_URL', settings.AZURE["container_url"])
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self.sas_token = os.getenv('SAS_TOKEN', settings.AZURE["sas_token"])
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self.__open__()
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def __open__(self):
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try:
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if self.conn:
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self.__close__()
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except Exception:
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pass
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try:
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self.conn = ContainerClient.from_container_url(self.container_url + "?" + self.sas_token)
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except Exception:
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logging.exception("Fail to connect %s " % self.container_url)
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def __close__(self):
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del self.conn
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self.conn = None
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def health(self):
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_bucket, fnm, binary = "txtxtxtxt1", "txtxtxtxt1", b"_t@@@1"
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return self.conn.upload_blob(name=fnm, data=BytesIO(binary), length=len(binary))
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def put(self, bucket, fnm, binary):
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for _ in range(3):
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try:
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return self.conn.upload_blob(name=fnm, data=BytesIO(binary), length=len(binary))
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except Exception:
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logging.exception(f"Fail put {bucket}/{fnm}")
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self.__open__()
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time.sleep(1)
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def rm(self, bucket, fnm):
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try:
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self.conn.delete_blob(fnm)
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except Exception:
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logging.exception(f"Fail rm {bucket}/{fnm}")
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def get(self, bucket, fnm):
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for _ in range(1):
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try:
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r = self.conn.download_blob(fnm)
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return r.read()
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except Exception:
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logging.exception(f"fail get {bucket}/{fnm}")
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self.__open__()
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time.sleep(1)
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return
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def obj_exist(self, bucket, fnm):
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try:
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return self.conn.get_blob_client(fnm).exists()
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except Exception:
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logging.exception(f"Fail put {bucket}/{fnm}")
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return False
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def get_presigned_url(self, bucket, fnm, expires):
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for _ in range(10):
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try:
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return self.conn.get_presigned_url("GET", bucket, fnm, expires)
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except Exception:
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logging.exception(f"fail get {bucket}/{fnm}")
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self.__open__()
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time.sleep(1)
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return
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