/usr/lib/python3/dist-packages/muranoclient/common/yaqlexpression.py is in python3-muranoclient 1.0.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | # All Rights Reserved.
#
# 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 re
import six
import yaql
from yaql.language import exceptions as yaql_exc
def _set_up_yaql():
legacy_engine_options = {
'yaql.limitIterators': 10000,
'yaql.memoryQuota': 1000000
}
return yaql.YaqlFactory().create(options=legacy_engine_options)
YAQL = _set_up_yaql()
class YaqlExpression(object):
def __init__(self, expression):
self._expression = str(expression)
self._parsed_expression = YAQL(self._expression)
def expression(self):
return self._expression
def __repr__(self):
return 'YAQL(%s)' % self._expression
def __str__(self):
return self._expression
@staticmethod
def match(expr):
if not isinstance(expr, six.string_types):
return False
if re.match('^[\s\w\d.:]*$', expr):
return False
try:
YAQL(expr)
return True
except yaql_exc.YaqlGrammarException:
return False
except yaql_exc.YaqlLexicalException:
return False
def evaluate(self, data=yaql.utils.NO_VALUE, context=None):
return self._parsed_expression.evaluate(data=data, context=context)
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