deb-python-yaql/yaql/cli/run.py

69 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (c) 2013-2015 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 the
# License for the specific language governing permissions and limitations
# under the License.
import json
import optparse
import yaql
from yaql.cli import cli_functions
import yaql.legacy
def main():
p = optparse.OptionParser()
p.add_option('--data', '-d', help="input JSON file")
p.add_option('--tokens', '-t', action='store_true', dest='tokens',
help="print lexical tokens info")
p.add_option('--legacy', action='store_true', dest='legacy',
help="enable legacy v0.2 compatibility mode")
options, arguments = p.parse_args()
if options.data:
try:
with open(options.data) as f:
data = json.load(f)
except Exception:
print('Unable to load data from ' + options.data)
return
else:
data = None
engine_options = {
'yaql.limitIterators': 100,
'yaql.convertSetsToLists': True,
'yaql.memoryQuota': 10000
}
if options.legacy:
factory = yaql.legacy.YaqlFactory()
context = yaql.legacy.create_context()
context['legacy'] = True
else:
factory = yaql.YaqlFactory()
context = yaql.create_context()
parser = factory.create(options=engine_options)
cli_functions.register_in_context(context, parser)
if options.tokens:
parser('__main(true)').evaluate(data, context)
else:
parser('__main(false)').evaluate(data, context)
if __name__ == "__main__":
main()