diff --git a/appengine/standard/hello_world/app.yaml b/appengine/standard/hello_world/app.yaml
index f041d384c05..ef5a5697bac 100644
--- a/appengine/standard/hello_world/app.yaml
+++ b/appengine/standard/hello_world/app.yaml
@@ -5,3 +5,7 @@ threadsafe: true
handlers:
- url: /.*
script: main.app
+
+libraries:
+- name: jinja2
+ version: latest
diff --git a/appengine/standard/hello_world/main.py b/appengine/standard/hello_world/main.py
index c26ad7a80f6..811ea565f2e 100644
--- a/appengine/standard/hello_world/main.py
+++ b/appengine/standard/hello_world/main.py
@@ -1,26 +1,29 @@
-# Copyright 2016 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
import webapp2
+import cgi
+import jinja2
+import os
+# type hidden: include values in our query that the user can't see or interact with. This is different from type=password. Note that multiple query items can have
+# the same name, so if you have a hidden input with name food and a text input with name food: ?food=val1&food=val2 is possible
-class MainPage(webapp2.RequestHandler):
- def get(self):
- self.response.headers['Content-Type'] = 'text/plain'
- self.response.write('Hello, World!')
+template_dir = os.path.join(os.path.dirname(__file__), 'templates') # os.path.dirname(__file__) is location of this file
+jinja_env = jinja2.Environment(loader = jinja2.FileSystemLoader(template_dir), autoescape=True) # when we render templates, jinja will look for them in this directory
+
+class Handler(webapp2.RequestHandler):
+ def write(self, *a, **kw):
+ self.response.out.write(*a, **kw)
+ def render_str(self, template, **params):
+ t = jinja_env.get_template(template) # create a jinja template from the file argument template
+ return t.render(params) # see example
+
+ def render(self, template, **kw):
+ self.write(self.render_str(template, **kw)) # send to browser
+
+
+class MainPage(Handler):
+ def get(self):
+ items = self.request.get_all('food') # get all params with name food
+ self.render("shopping_list.html", items=items) # again, we are dealing with user input. Consider data validation and HTML escaping
-app = webapp2.WSGIApplication([
- ('/', MainPage),
-], debug=True)
+app = webapp2.WSGIApplication([('/', MainPage)], debug=True)
diff --git a/appengine/standard/hello_world/templates/base.html b/appengine/standard/hello_world/templates/base.html
new file mode 100644
index 00000000000..638c10feaf8
--- /dev/null
+++ b/appengine/standard/hello_world/templates/base.html
@@ -0,0 +1,11 @@
+
+
+
+ Udacity Templates!
+
+
+ YOLO
+ {% block content %}
+ {% endblock %}
+
+
\ No newline at end of file
diff --git a/appengine/standard/hello_world/templates/shopping_list.html b/appengine/standard/hello_world/templates/shopping_list.html
new file mode 100644
index 00000000000..560d1d9ed39
--- /dev/null
+++ b/appengine/standard/hello_world/templates/shopping_list.html
@@ -0,0 +1,24 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+{% endblock %}