tornado自定义实现django include方法

tornado自定义实现django  include方法

---

• 自定义URLmethod模块

• from Custom.errors import *
  
  
  def include(base_url, expand_url):
      # base_url必须是字符串类型
      if not isinstance(base_url, str):
          raise TypeError("base_url must be String type, but {} is not".format(str(base_url)))
  
      # 必须在拓展的urls里面有一个urlpatterns的对象,如果没有就会引发AttributeError
      getattr(expand_url, 'urlpatterns')
  
      if not isinstance(expand_url.urlpatterns, (list, tuple)):
          raise UrlError(
              "expand_url.urlpatterns must be a list or tuple, but {} is not".format(str(expand_url.urlpatterns)))
  
      urlpatterns = expand_url.urlpatterns
  
   
      new_urlpatterns = []
  
      for url in urlpatterns:
  
          items = []
          new_base_url = base_url + url[0]  # 将原始的url和拓展的url拼接
          items.append(new_base_url)
          items.append(url[1])
          new_urlpatterns.append(tuple(items))
  
      return new_urlpatterns
  
  
  def extend(*args):
      # 将所有的include元素拓展成新的列表
      urlpatterns = []
      for urlpattern in args:
          if isinstance(urlpatterns, list):
              urlpatterns.extend(urlpattern)
          else:
              raise UrlError
      return urlpatterns

• 自定方法的使用

• from tornado.web import Application
  from tornado.ioloop import IOLoop
  from tornado.httpserver import HTTPServer
  from tornado.options import options, define
  from Custom.URL_method import include, extend
  from Robot import urls
  
  
  define('port', default=80, type=int)
  
  settings = {
      'template_path': 'templates',
      'static_path': 'static',
      'debug': True
  }
  
  
  urlpatterns = extend(
      include("", urls),
      include(r'/qrcode', urls),
  )
  
  
  
  
  
  
  app = Application(handlers=urlpatterns, **settings)
  
  if __name__ == '__main__':
      options.parse_command_line()
      http = HTTPServer(app)
      http.listen(options.port)
      IOLoop.current().start()

• 自定义url模块

• from . import views
  
  
  urlpatterns = [
      (r'/index',  views.IndexHandler),
      (r'/test',  views.TestHandler)
  ]

• views模块

• from tornado.web import RequestHandler
  
  
  
  class IndexHandler(RequestHandler):
      def get(self):
          self.write("hello")
  
  
  class TestHandler(RequestHandler):
      def get(self):
          self.write("test page")

• 效果展示
• 
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