Python Programming Blueprints

Making a HTML response

We can now start to use our new Jinja2 dependency in our WebServer. First, we need to include it in our imports of service.py:

from .dependencies.jinja2 import Jinja2 

Let's now amend our WebServer class to be the following:

class WebServer: 
 
    name = 'web_server' 
    message_service = RpcProxy('message_service') 
    templates = Jinja2() 
 
    @http('GET', '/') 
    def home(self, request): 
        messages = self.message_service.get_all_messages() 
        rendered_template = self.templates.render_home(messages) 
 
        return rendered_template 

Notice how we have assigned a new attribute, templates, like we did earlier in our MessageService with message_store. Our HTTP entrypoint now talks to our MessageService, retrieves all of the messages in Redis, and uses ...