How did you end up fixing this? I'm trying to do something very similar.
Bob
On Thursday, April 19, 2012 9:04:14 AM UTC-4, akindo wrote:
>
> Hi fellow Jinjaers,
>
> I am setting a global Jinja2 variable in my Python 2.7/Webapp2 code
> and then displaying this variable in a base HTML page on all sections
> of my site. However, after about 15 min, the variable ceases to exist
> or perhaps loses its assignment. Is there some kind of timeout? Or am
> I doing something wrong, please see my code below.
>
> def jinja2_factory(app):
> j = jinja2.Jinja2(app)
>
> j.environment.filters.update({
> # Set filters.
> # ...
> })
>
> j.environment.globals.update({
> # Set global variables.
> 'uri_for': webapp2.uri_for
> })
>
> return j
>
>
> class BaseHandler(webapp2.RequestHandler):
> @webapp2.cached_property
> def jinja2(self):
> # Returns a Jinja2 renderer cached in the app registry.
> return jinja2.get_jinja2(factory=jinja2_factory)
>
> def render_response(self, _template, **context):
> # Renders a template and writes the result to the response.
> context['logged_in'] = self.logged_in
>
> self.response.write(self.jinja2.render_template(_template,
> **context))
>
>
> class HelloWorldHandler(BaseHandler):
> def get(self):
> self.jinja2.environment.globals['username'] = 'johndoe'
> context = {'message': 'Hello world.'}
> return self.render_response('hello.html', **context)
>
>
> In the template I then display the global var by using {{ username }}.
>
> Thanks for your help.
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