Yardstick API refactor

JIRA: YARDSTICK-503

Now in api/views.py there are many redundant code.
So I do some refactoring and make it to be a lightweight framework.

Change-Id: Id7cecc95e60f5403b2d26239a3ef41d01bbb542a
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/api/base.py b/api/base.py
new file mode 100644
index 000000000..7671527d4
--- /dev/null
+++ b/api/base.py
@@ -0,0 +1,55 @@
+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# 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 re
+import importlib
+import logging
+
+from flask import request
+from flask_restful import Resource
+
+from api.utils import common as common_utils
+
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+
+
+class ApiResource(Resource):
+
+    def _post_args(self):
+        params = common_utils.translate_to_str(request.json)
+        action = params.get('action', '')
+        args = params.get('args', {})
+        logger.debug('Input args is: action: %s, args: %s', action, args)
+
+        return action, args
+
+    def _get_args(self):
+        args = common_utils.translate_to_str(request.args)
+        logger.debug('Input args is: args: %s', args)
+
+        return args
+
+    def _dispatch_post(self):
+        action, args = self._post_args()
+        return self._dispatch(args, action)
+
+    def _dispatch_get(self):
+        args = self._get_args()
+        return self._dispatch(args)
+
+    def _dispatch(self, args, action='default'):
+        module_name = re.sub(r'([A-Z][a-z]*)', r'_\1',
+                             self.__class__.__name__)[1:].lower()
+
+        module_name = 'api.resources.%s' % module_name
+        resources = importlib.import_module(module_name)
+        try:
+            return getattr(resources, action)(args)
+        except NameError:
+            common_utils.error_handler('Wrong action')