Added working example with yaql parser

bareon_dynamic_allocator/yaql_parser.py

@@ -0,0 +1,35 @@
+#    Copyright 2015 Mirantis, Inc.
+#
+#    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 then
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+
+import yaml
+import yaql
+
+data = yaml.load(open('/Users/eli/job/bareon-dynamic-allocator/etc/bareon-dynamic-allocator/example_2_disks.yaml').read())
+
+
+engine_options = {
+    'yaql.limitIterators': 100,
+    'yaql.treatSetsAsLists': True,
+    'yaql.memoryQuota': 10000
+}
+
+
+factory = yaql.YaqlFactory()
+parser = factory.create(options=engine_options)
+
+from pprint import pprint
+pprint(parser('$.disks.where($.type = "hdd" or ($.type = "ssd" and $.dev = "/dev/sda")) ').evaluate(data))
+pprint(parser('$.disks.where(($.type = "ssd" and $.dev = "/dev/sda") or $.type = "hdd") ').evaluate(data))
+print parser('$.get(ram1, 1000) + 2').evaluate(data)