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POWhich is the preferred method to use jinja2 on App Engine?
 

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  1. POWhich is the preferred method to use jinja2 on App Engine?
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    <p>I originally implemented Jinja2 on App Engine using the examples shown on the App Engine site here: <a href="https://developers.google.com/appengine/docs/python/gettingstartedpython27/templates" rel="noreferrer">https://developers.google.com/appengine/docs/python/gettingstartedpython27/templates</a> where jinja2 is imported directly:</p> <pre><code>import jinja2 import os jinja_environment = jinja2.Environment( loader=jinja2.FileSystemLoader(os.path.dirname(__file__))) class MainPage(webapp2.RequestHandler): def get(self): greetings = 'somestring' template_values = { 'greetings': greetings, } template = jinja_environment.get_template('index.html') self.response.out.write(template.render(template_values)) </code></pre> <p>But I'm currently bolting on Simpleauth (<a href="https://github.com/crhym3/simpleauth" rel="noreferrer">https://github.com/crhym3/simpleauth</a>) which follows the implementation that Nick Johnson described here: <a href="http://blog.notdot.net/2011/11/Migrating-to-Python-2-7-part-2-Webapp-and-templates" rel="noreferrer">http://blog.notdot.net/2011/11/Migrating-to-Python-2-7-part-2-Webapp-and-templates</a> where jinja2 is imported from webapp2_extras:</p> <pre><code>import os import webapp2 from webapp2_extras import jinja2 class BaseHandler(webapp2.RequestHandler): @webapp2.cached_property def jinja2(self): return jinja2.get_jinja2(app=self.app) def render_template(self, filename, **template_args): self.response.write(self.jinja2.render_template(filename, **template_args)) class IndexHandler(BaseHandler): def get(self): self.render_template('index.html', name=self.request.get('name')) </code></pre> <p><strong>Which of these is the preferred method for using jinja2?</strong> (They don't seem to play together nicely, and would prefer to standardize on the best option.)</p>
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