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-rw-r--r--opnfv_testapi/tornado_swagger/views.py134
1 files changed, 134 insertions, 0 deletions
diff --git a/opnfv_testapi/tornado_swagger/views.py b/opnfv_testapi/tornado_swagger/views.py
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+##############################################################################
+# Copyright (c) 2016 ZTE Corporation
+# feng.xiaowei@zte.com.cn
+# 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 inspect
+import json
+
+import tornado.template
+import tornado.web
+
+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)
+
+
+class SwaggerUIHandler(tornado.web.RequestHandler):
+ 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):
+ resource_url = self.reverse_url(settings.RESOURCE_LISTING_NAME)
+ discovery_url = self.base_url + resource_url
+ self.render('swagger/index.html', discovery_url=discovery_url)
+
+
+class SwaggerResourcesHandler(tornado.web.RequestHandler):
+ 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': self.swagger_version,
+ 'basePath': self.base_url,
+ 'apis': [{
+ 'path': self.reverse_url(settings.API_DECLARATION_NAME),
+ 'description': 'Restful APIs Specification'
+ }]
+ }
+
+ self.finish(json_dumps(resources, self.get_arguments('pretty')))
+
+
+class SwaggerApiHandler(tornado.web.RequestHandler):
+ 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')
+ apis = self.find_api(self.application.handlers)
+ if apis is None:
+ raise tornado.web.HTTPError(404)
+
+ specs = {
+ 'apiVersion': self.api_version,
+ 'swaggerVersion': self.swagger_version,
+ 'basePath': self.base_url,
+ 'resourcePath': '/',
+ 'produces': ["application/json"],
+ 'apis': [self.__get_api_spec__(path, spec, operations)
+ for path, spec, operations in apis],
+ 'models': self.__get_models_spec(settings.models)
+ }
+ self.finish(json_dumps(specs, self.get_arguments('pretty')))
+
+ def __get_models_spec(self, models):
+ models_spec = {}
+ for model in models:
+ models_spec.setdefault(model.id, self.__get_model_spec(model))
+ return models_spec
+
+ @staticmethod
+ def __get_model_spec(model):
+ return {
+ 'description': model.summary,
+ 'id': model.id,
+ 'notes': model.notes,
+ 'properties': model.properties,
+ 'required': model.required
+ }
+
+ @staticmethod
+ def __get_api_spec__(path, spec, operations):
+ return {
+ 'path': path,
+ 'description': spec.handler_class.__doc__,
+ 'operations': [{
+ 'httpMethod': api.func.__name__.upper(),
+ 'nickname': api.nickname,
+ 'parameters': api.params.values(),
+ 'summary': api.summary,
+ 'notes': api.notes,
+ 'responseClass': api.responseClass,
+ 'responseMessages': api.responseMessages,
+ } for api in operations]
+ }
+
+ @staticmethod
+ def find_api(host_handlers):
+ def get_path(url, args):
+ return url % tuple(['{%s}' % arg for arg in args])
+
+ def get_operations(cls):
+ return [member.rest_api
+ for (_, member) in inspect.getmembers(cls)
+ if hasattr(member, 'rest_api')]
+
+ for host, handlers in host_handlers:
+ for spec in handlers:
+ for (_, mbr) in inspect.getmembers(spec.handler_class):
+ if inspect.ismethod(mbr) and hasattr(mbr, 'rest_api'):
+ path = get_path(spec._path, mbr.rest_api.func_args)
+ operations = get_operations(spec.handler_class)
+ yield path, spec, operations
+ break