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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
def get(r, n, a):
nv = n.get(r)
ntv = nv[1:] if nv[0:1] == "'" else nv
av = a.get(r)
content = filter(lambda e: e[0] == "'content", av[0])
account = filter(lambda e: e[0] == "'account", () if len(content) == 0 else content[0])
keys = filter(lambda e: e[0] == "'keys", () if len(account) == 0 else account[0])
key = filter(lambda e: e[0] == "'key", () if len(keys) == 0 else keys[0])
ekey = () if len(key) == 0 else key[0]
akey = () if len(ekey) < 2 else ekey[1]
def namedkey(k):
return len(filter(lambda e: e[0] == "'@name" and e[1] == ntv, k)) != 0
def keyvalue(k):
return filter(lambda e: e[0] == "'@value", k)
kv = map(keyvalue, filter(namedkey, akey))
return None if len(kv) == 0 else kv[0][0][1]
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