/
diracclient.py
48 lines (39 loc) · 2.09 KB
/
diracclient.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 dumps
from requests.status_codes import codes
from rucio.client.baseclient import BaseClient, choice
from rucio.common.utils import build_url
class DiracClient(BaseClient):
"""DataIdentifier client class for working with data identifiers"""
DIRAC_BASEURL = 'dirac'
def add_files(self, lfns, ignore_availability=False, parents_metadata=None):
"""
Bulk add files :
- Create the file and replica.
- If doesn't exist create the dataset containing the file as well as a rule on the dataset on ANY sites.
- Create all the ascendants of the dataset if they do not exist
:param lfns: List of lfn (dictionary {'lfn': <lfn>, 'rse': <rse>, 'bytes': <bytes>, 'adler32': <adler32>, 'guid': <guid>, 'pfn': <pfn>}
:param ignore_availability: A boolean to ignore blocked sites.
:param parents_metadata: Metadata for selected hierarchy DIDs. (dictionary {'lpn': {key : value}}). Default=None
"""
path = '/'.join([self.DIRAC_BASEURL, 'addfiles'])
url = build_url(choice(self.list_hosts), path=path)
r = self._send_request(url, type_='POST', data=dumps({'lfns': lfns, 'ignore_availability': ignore_availability, 'parents_metadata': parents_metadata}))
if r.status_code == codes.created:
return True
else:
exc_cls, exc_msg = self._get_exception(headers=r.headers, status_code=r.status_code, data=r.content)
raise exc_cls(exc_msg)