/
fileclient.py
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/
fileclient.py
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# -*- coding: utf-8 -*-
# Copyright European Organization for Nuclear Research (CERN) since 2012
#
# 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.
from json import loads
from urllib.parse import quote_plus
from requests.status_codes import codes
from rucio.client.baseclient import BaseClient, choice
from rucio.common.utils import build_url
class FileClient(BaseClient):
"""Dataset client class for working with dataset"""
BASEURL = 'files'
def list_file_replicas(self, scope, lfn):
"""
List file replicas.
:param scope: the scope.
:param lfn: the lfn.
:return: List of replicas.
"""
path = '/'.join([self.BASEURL, quote_plus(scope), quote_plus(lfn), 'rses'])
url = build_url(choice(self.list_hosts), path=path)
r = self._send_request(url, type_='GET')
if r.status_code == codes.ok:
rses = loads(r.text)
return rses
else:
print(r.status_code)
exc_cls, exc_msg = self._get_exception(headers=r.headers, status_code=r.status_code, data=r.content)
raise exc_cls(exc_msg)