fix violation of import rule in TestAPI

TestAPI violate import rule of OpenStack Style a lot, like
Do not import objects, only modules
Do not import more than one module per line 
Alphabetically order your imports by the full module path
This patch is mean to fix them.

Change-Id: Ia05b944a74b3f443c9101a9840f613f9a6f5ae49
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

1 files changed, 34 insertions, 35 deletions

diff --git a/utils/test/testapi/opnfv_testapi/resources/handlers.py b/utils/test/testapi/opnfv_testapi/resources/handlers.py
index a2628e249..89e91b3a1 100644
--- a/utils/test/testapi/opnfv_testapi/resources/handlers.py
+++ b/utils/test/testapi/opnfv_testapi/resources/handlers.py
@@ -20,19 +20,18 @@
 # feng.xiaowei@zte.com.cn remove DashboardHandler            5-30-2016
 ##############################################################################
 
-import json
 from datetime import datetime
+import json
 
 from tornado import gen
-from tornado.web import RequestHandler, asynchronous, HTTPError
+from tornado import web
 
-from models import CreateResponse
-from opnfv_testapi.common.constants import DEFAULT_REPRESENTATION, \
-    HTTP_BAD_REQUEST, HTTP_NOT_FOUND, HTTP_FORBIDDEN
+import models
+from opnfv_testapi.common import constants
 from opnfv_testapi.tornado_swagger import swagger
 
 
-class GenericApiHandler(RequestHandler):
+class GenericApiHandler(web.RequestHandler):
     def __init__(self, application, request, **kwargs):
         super(GenericApiHandler, self).__init__(application, request, **kwargs)
         self.db = self.settings["db"]
@@ -49,29 +48,29 @@ class GenericApiHandler(RequestHandler):
         if self.request.method != "GET" and self.request.method != "DELETE":
             if self.request.headers.get("Content-Type") is not None:
                 if self.request.headers["Content-Type"].startswith(
-                        DEFAULT_REPRESENTATION):
+                        constants.DEFAULT_REPRESENTATION):
                     try:
                         self.json_args = json.loads(self.request.body)
                     except (ValueError, KeyError, TypeError) as error:
-                        raise HTTPError(HTTP_BAD_REQUEST,
-                                        "Bad Json format [{}]".
-                                        format(error))
+                        raise web.HTTPError(constants.HTTP_BAD_REQUEST,
+                                            "Bad Json format [{}]".
+                                            format(error))
 
     def finish_request(self, json_object=None):
         if json_object:
             self.write(json.dumps(json_object))
-        self.set_header("Content-Type", DEFAULT_REPRESENTATION)
+        self.set_header("Content-Type", constants.DEFAULT_REPRESENTATION)
         self.finish()
 
     def _create_response(self, resource):
         href = self.request.full_url() + '/' + str(resource)
-        return CreateResponse(href=href).format()
+        return models.CreateResponse(href=href).format()
 
     def format_data(self, data):
         cls_data = self.table_cls.from_dict(data)
         return cls_data.format_http()
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _create(self, miss_checks, db_checks, **kwargs):
         """
@@ -79,14 +78,14 @@ class GenericApiHandler(RequestHandler):
         :param db_checks: [(table, exist, query, error)]
         """
         if self.json_args is None:
-            raise HTTPError(HTTP_BAD_REQUEST, "no body")
+            raise web.HTTPError(constants.HTTP_BAD_REQUEST, "no body")
 
         data = self.table_cls.from_dict(self.json_args)
         for miss in miss_checks:
             miss_data = data.__getattribute__(miss)
             if miss_data is None or miss_data == '':
-                raise HTTPError(HTTP_BAD_REQUEST,
-                                '{} missing'.format(miss))
+                raise web.HTTPError(constants.HTTP_BAD_REQUEST,
+                                    '{} missing'.format(miss))
 
         for k, v in kwargs.iteritems():
             data.__setattr__(k, v)
@@ -95,7 +94,7 @@ class GenericApiHandler(RequestHandler):
             check = yield self._eval_db_find_one(query(data), table)
             if (exist and not check) or (not exist and check):
                 code, message = error(data)
-                raise HTTPError(code, message)
+                raise web.HTTPError(code, message)
 
         if self.table != 'results':
             data.creation_date = datetime.now()
@@ -107,7 +106,7 @@ class GenericApiHandler(RequestHandler):
             resource = _id
         self.finish_request(self._create_response(resource))
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _list(self, query=None, res_op=None, *args, **kwargs):
         if query is None:
@@ -126,40 +125,40 @@ class GenericApiHandler(RequestHandler):
             res = res_op(data, *args)
         self.finish_request(res)
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _get_one(self, query):
         data = yield self._eval_db_find_one(query)
         if data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "[{}] not exist in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "[{}] not exist in table [{}]"
+                                .format(query, self.table))
         self.finish_request(self.format_data(data))
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _delete(self, query):
         data = yield self._eval_db_find_one(query)
         if data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "[{}] not exit in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "[{}] not exit in table [{}]"
+                                .format(query, self.table))
 
         yield self._eval_db(self.table, 'remove', query)
         self.finish_request()
 
-    @asynchronous
+    @web.asynchronous
     @gen.coroutine
     def _update(self, query, db_keys):
         if self.json_args is None:
-            raise HTTPError(HTTP_BAD_REQUEST, "No payload")
+            raise web.HTTPError(constants.HTTP_BAD_REQUEST, "No payload")
 
         # check old data exist
         from_data = yield self._eval_db_find_one(query)
         if from_data is None:
-            raise HTTPError(HTTP_NOT_FOUND,
-                            "{} could not be found in table [{}]"
-                            .format(query, self.table))
+            raise web.HTTPError(constants.HTTP_NOT_FOUND,
+                                "{} could not be found in table [{}]"
+                                .format(query, self.table))
 
         data = self.table_cls.from_dict(from_data)
         # check new data exist
@@ -167,9 +166,9 @@ class GenericApiHandler(RequestHandler):
         if not equal:
             to_data = yield self._eval_db_find_one(new_query)
             if to_data is not None:
-                raise HTTPError(HTTP_FORBIDDEN,
-                                "{} already exists in table [{}]"
-                                .format(new_query, self.table))
+                raise web.HTTPError(constants.HTTP_FORBIDDEN,
+                                    "{} already exists in table [{}]"
+                                    .format(new_query, self.table))
 
         # we merge the whole document """
         edit_request = self._update_requests(data)
@@ -186,7 +185,7 @@ class GenericApiHandler(RequestHandler):
             request = self._update_request(request, k, v,
                                            data.__getattribute__(k))
         if not request:
-            raise HTTPError(HTTP_FORBIDDEN, "Nothing to update")
+            raise web.HTTPError(constants.HTTP_FORBIDDEN, "Nothing to update")
 
         edit_request = data.format()
         edit_request.update(request)