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#!/usr/bin/env python
#
# grakiss.wanglei@huawei.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
#
import jinja2
import utils.dovetail_logger as dt_logger
import utils.dovetail_utils as dt_utils
from conf.dovetail_config import dovetail_config
logger = dt_logger.Logger('parser.py').getLogger()
class Parser:
'''preprocess configuration files'''
@classmethod
def parse_cmd(cls, cmd, testcase):
cmd_lines = None
try:
template = jinja2.Template(cmd, undefined=jinja2.StrictUndefined)
kwargs = {}
for arg in dovetail_config['parameters']:
path = eval(arg['path'])
logger.debug('name: %s, eval path: %s ' % (arg['name'], path))
kwargs[arg['name']] = \
dt_utils.get_obj_by_path(testcase.testcase, path)
logger.debug('kwargs: %s' % kwargs)
cmd_lines = template.render(**kwargs)
except Exception as e:
logger.error('failed to parse cmd %s, exception:%s' % (cmd, e))
return None
return cmd_lines
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