leverage tornado framework to simply impl of TestAPI

1) make better use of initialize() method
2) better naming global arguments

Change-Id: I89dc72a358bcb2a5688a1ffeb3ed5d735d875a4a
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

4 files changed, 37 insertions, 35 deletions

diff --git a/testapi/opnfv_testapi/tornado_swagger/handlers.py b/testapi/opnfv_testapi/tornado_swagger/handlers.py
index 72add2d..fff6d21 100644
--- a/testapi/opnfv_testapi/tornado_swagger/handlers.py
+++ b/testapi/opnfv_testapi/tornado_swagger/handlers.py
@@ -13,7 +13,7 @@ from opnfv_testapi.tornado_swagger import views
 
 
 def swagger_handlers():
-    prefix = settings.default_settings.get('swagger_prefix', '/swagger')
+    prefix = settings.docs_settings.get('swagger_prefix', '/swagger')
     if prefix[-1] != '/':
         prefix += '/'
 
@@ -23,20 +23,20 @@ def swagger_handlers():
         tornado.web.URLSpec(
             _path(r'spec.html$'),
             views.SwaggerUIHandler,
-            settings.default_settings,
-            name=settings.SWAGGER_API_DOCS),
+            settings.docs_settings,
+            name=settings.API_DOCS_NAME),
         tornado.web.URLSpec(
             _path(r'resources.json$'),
             views.SwaggerResourcesHandler,
-            settings.default_settings,
-            name=settings.SWAGGER_RESOURCE_LISTING),
+            settings.docs_settings,
+            name=settings.RESOURCE_LISTING_NAME),
         tornado.web.URLSpec(
             _path(r'APIs$'),
             views.SwaggerApiHandler,
-            settings.default_settings,
-            name=settings.SWAGGER_API_DECLARATION),
+            settings.docs_settings,
+            name=settings.API_DECLARATION_NAME),
         (
             _path(r'(.*\.(css|png|gif|js))'),
             tornado.web.StaticFileHandler,
-            {'path': settings.default_settings.get('static_path')}),
+            {'path': settings.docs_settings.get('static_path')}),
     ]
diff --git a/testapi/opnfv_testapi/tornado_swagger/settings.py b/testapi/opnfv_testapi/tornado_swagger/settings.py
index 7530297..03e9bbd 100644
--- a/testapi/opnfv_testapi/tornado_swagger/settings.py
+++ b/testapi/opnfv_testapi/tornado_swagger/settings.py
@@ -8,25 +8,21 @@
 ##############################################################################
 import os.path
 
-SWAGGER_VERSION = '1.2'
-SWAGGER_API_DOCS = 'swagger-api-docs'
-SWAGGER_RESOURCE_LISTING = 'swagger-resource-listing'
-SWAGGER_API_DECLARATION = 'swagger-api-declaration'
+API_DOCS_NAME = 'swagger-api-docs'
+RESOURCE_LISTING_NAME = 'swagger-resource-listing'
+API_DECLARATION_NAME = 'swagger-api-declaration'
 STATIC_PATH = os.path.join(os.path.dirname(os.path.normpath(__file__)),
                            'static')
 
-default_settings = {
+docs_settings = {
     'base_url': '',
     'static_path': STATIC_PATH,
     'swagger_prefix': '/swagger',
     'api_version': 'v1.0',
+    'swagger_version': '1.2',
     'api_key': '',
     'enabled_methods': ['get', 'post', 'put', 'patch', 'delete'],
     'exclude_namespaces': [],
 }
 
 models = []
-
-
-def basePath():
-    return default_settings.get('base_url')
diff --git a/testapi/opnfv_testapi/tornado_swagger/swagger.py b/testapi/opnfv_testapi/tornado_swagger/swagger.py
index a0f6ae7..83f389a 100644
--- a/testapi/opnfv_testapi/tornado_swagger/swagger.py
+++ b/testapi/opnfv_testapi/tornado_swagger/swagger.py
@@ -276,7 +276,7 @@ class operation(DocParser):
 
 
 def docs(**opts):
-    settings.default_settings.update(opts)
+    settings.docs_settings.update(opts)
 
 
 class Application(tornado.web.Application):
diff --git a/testapi/opnfv_testapi/tornado_swagger/views.py b/testapi/opnfv_testapi/tornado_swagger/views.py
index 591cb44..ee9cf04 100644
--- a/testapi/opnfv_testapi/tornado_swagger/views.py
+++ b/testapi/opnfv_testapi/tornado_swagger/views.py
@@ -17,39 +17,44 @@ from opnfv_testapi.tornado_swagger import settings
 
 
 def json_dumps(obj, pretty=False):
-    return json.dumps(obj, sort_keys=True, indent=4, separators=(',', ': ')) \
-        if pretty else json.dumps(obj)
+    return json.dumps(obj,
+                      sort_keys=True,
+                      indent=4,
+                      separators=(',', ': ')) if pretty else json.dumps(obj)
 
 
 class SwaggerUIHandler(tornado.web.RequestHandler):
-    def initialize(self, static_path, **kwds):
-        self.static_path = static_path
+    def initialize(self, **kwargs):
+        self.static_path = kwargs.get('static_path')
+        self.base_url = kwargs.get('base_url')
 
     def get_template_path(self):
         return self.static_path
 
     def get(self):
         discovery_url = os.path.join(
-            settings.basePath(),
-            self.reverse_url(settings.SWAGGER_RESOURCE_LISTING))
+            self.base_url,
+            self.reverse_url(settings.RESOURCE_LISTING_NAME))
         self.render('index.html', discovery_url=discovery_url)
 
 
 class SwaggerResourcesHandler(tornado.web.RequestHandler):
-    def initialize(self, api_version, exclude_namespaces, **kwds):
-        self.api_version = api_version
-        self.exclude_namespaces = exclude_namespaces
+    def initialize(self, **kwargs):
+        self.api_version = kwargs.get('api_version')
+        self.swagger_version = kwargs.get('swagger_version')
+        self.base_url = kwargs.get('base_url')
+        self.exclude_namespaces = kwargs.get('exclude_namespaces')
 
     def get(self):
         self.set_header('content-type', 'application/json')
         resources = {
             'apiVersion': self.api_version,
-            'swaggerVersion': settings.SWAGGER_VERSION,
-            'basePath': settings.basePath(),
+            'swaggerVersion': self.swagger_version,
+            'basePath': self.base_url,
             'produces': ["application/json"],
             'description': 'Test Api Spec',
             'apis': [{
-                'path': self.reverse_url(settings.SWAGGER_API_DECLARATION),
+                'path': self.reverse_url(settings.API_DECLARATION_NAME),
                 'description': 'Test Api Spec'
             }]
         }
@@ -58,9 +63,10 @@ class SwaggerResourcesHandler(tornado.web.RequestHandler):
 
 
 class SwaggerApiHandler(tornado.web.RequestHandler):
-    def initialize(self, api_version, base_url, **kwds):
-        self.api_version = api_version
-        self.base_url = base_url
+    def initialize(self, **kwargs):
+        self.api_version = kwargs.get('api_version')
+        self.swagger_version = kwargs.get('swagger_version')
+        self.base_url = kwargs.get('base_url')
 
     def get(self):
         self.set_header('content-type', 'application/json')
@@ -70,8 +76,8 @@ class SwaggerApiHandler(tornado.web.RequestHandler):
 
         specs = {
             'apiVersion': self.api_version,
-            'swaggerVersion': settings.SWAGGER_VERSION,
-            'basePath': settings.basePath(),
+            'swaggerVersion': self.swagger_version,
+            'basePath': self.base_url,
             'apis': [self.__get_api_spec__(path, spec, operations)
                      for path, spec, operations in apis],
             'models': self.__get_models_spec(settings.models)