1 files changed, 40 insertions, 0 deletions
diff --git a/dovetail/parser.py b/dovetail/parser.py
new file mode 100644
index 00000000..1c0c0450
--- /dev/null
+++ b/dovetail/parser.py
@@ -0,0 +1,40 @@
+#!/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
+
+logger = dt_logger.Logger('parser.py').getLogger()
+
+from conf.dovetail_config import *
+
+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