/
path_parsing.py
64 lines (53 loc) · 1.88 KB
/
path_parsing.py
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# 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.
import logging
logger = logging.getLogger('rucio_dumps')
def prefix(agis_data, endpoint_name):
ddmendpoint_data = list(filter(
lambda d: d['name'] == endpoint_name,
agis_data,
))[0]
return ddmendpoint_data['endpoint']
def remove_prefix(prefix, path):
iprefix = iter(prefix)
ipath = iter(path)
try:
cprefix = next(iprefix)
cpath = next(ipath)
except StopIteration:
# Either the path or the prefix is empty
return path
while cprefix != cpath:
try:
cprefix = next(iprefix)
except StopIteration:
# No parts of the prefix are part of the path
return path
while cprefix == cpath:
cprefix = next(iprefix, None)
try:
cpath = next(ipath)
except StopIteration:
# The path is a subset of the prefix
return []
if cprefix is not None:
# If the prefix is not depleted maybe it is only a coincidence
# in one of the components of the paths: return the path as is.
return path
rest = list(ipath)
rest.insert(0, cpath)
return rest
def components(path):
components = path.strip().strip('/').split('/')
return [component for component in components if component != '']