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Step 3: The Environment

Метки: werkzeug

Now that we have the basic application class, we can make the constructor do something useful and provide a few helpers on there that can come in handy. We will need to be able to render templates and connect to redis, so let’s extend the class a bit:

def __init__(self, config):
    self.redis = redis.Redis(config['redis_host'], config['redis_port'])
    template_path = os.path.join(os.path.dirname(__file__), 'templates')
    self.jinja_env = Environment(loader=FileSystemLoader(template_path),
                                 autoescape=True)

def render_template(self, template_name, **context):
    t = self.jinja_env.get_template(template_name)
    return Response(t.render(context), mimetype='text/html')