Merge pull request #641 from TomIsPrettyCool/master

Use render_async and a template env with the Jinja2 example.

examples/jinja_example.py

@@ -1,18 +1,27 @@
-## To use this example:
-# curl -d '{"name": "John Doe"}' localhost:8000
+# Render templates in a Flask like way from a "template" directory in the project
 
 from sanic import Sanic
 from sanic import response
-from jinja2 import Template
-
-template = Template('Hello {{ name }}!')
+from jinja2 import Evironment, PackageLoader, select_autoescape
 
 app = Sanic(__name__)
 
+# Load the template environment with async support
+template_env = Environment(
+    loader=jinja2.PackageLoader('yourapplication', 'templates'),
+    autoescape=jinja2.select_autoescape(['html', 'xml']),
+    enable_async=True
+)
+
+# Load the template from file
+template = template_env.get_template("example_template.html")
+
+
 @app.route('/')
 async def test(request):
     data = request.json
-    return response.html(template.render(**data))
+    rendered_template = await template.render_async(**data)
+    return response.html(rendered_template)
 
 
 app.run(host="0.0.0.0", port=8080, debug=True)