+#!/usr/bin/python
+
+# Copyright 2019 Nokia
+
+# 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 itertools
+import re
+
+def cpulist_to_set(cl):
+ r = set()
+ for e in cl.split(','):
+ if '-' in e:
+ p = e.split('-')
+ else:
+ p = [e, e]
+ r.update(map(str, range(int(p[0]), int(p[1]) + 1)))
+ return list(r)
+
+def set_to_cpulist(cs):
+ r = []
+ for k, g in itertools.groupby(enumerate(sorted(cs, key=int)), lambda (i, v): int(v) - i):
+ t = list(g)
+ if len(t) == 1:
+ r.append(str(t[0][1]))
+ else:
+ r.append('-'.join([str(t[0][1]), str(t[-1][1])]))
+ return ','.join(r)
+
+def cpulist_combine(conf, name, lst):
+ r = set()
+ for s in lst:
+ if s in conf:
+ r.update(conf[s]['set'])
+ if len(r) > 0:
+ conf[name] = { 'set': sorted(r), 'list': set_to_cpulist(r) }
+ return conf
+
+def cmdline_to_list(cmdl):
+ return re.findall('(?:[^" ]|"[^"]*")+', cmdl)
+
+def list_to_cmdline(lst):
+ return ' '.join(lst)
+
+class FilterModule(object):
+ def filters(self):
+ return {
+ 'cpulist_to_set': cpulist_to_set,
+ 'set_to_cpulist': set_to_cpulist,
+ 'cpulist_combine': cpulist_combine,
+ 'cmdline_to_list': cmdline_to_list,
+ 'list_to_cmdline': list_to_cmdline
+ }
+