Actually I'm already doing something similar. My question was more "how to know how far the rendering progress is". Right now I load a template and call render() on it but I don't have a way of knowing how much progress is made in real time.
On Friday, September 21, 2012 7:38:27 AM UTC+2, Jani Tiainen wrote: > > 19.9.2012 16:13, Philippe Raoult kirjoitti: > > Hello all, > > > > I'm using django templates to generate pdf listings in my app. After > > running render() on the template, reportlab is called to create the pdf. > > > > My issue is that those listings can get quite big (hundreds of pages, > > with images) and thus take very long to render. Reportlab has progress > > callbacks that allow me to have a nice progress bar on screen, but the > > template rendering doesn't seem to offer this functionality. Has anyone > > managed to implement this or has any suggestion regarding this topic ? > > > > Regards, > > Philippe > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Django users" group. > > To view this discussion on the web visit > > https://groups.google.com/d/msg/django-users/-/kc5IlCznZ1wJ. > > To post to this group, send email to > > django...@googlegroups.com<javascript:>. > > > To unsubscribe from this group, send email to > > django-users...@googlegroups.com <javascript:>. > > For more options, visit this group at > > http://groups.google.com/group/django-users?hl=en. > > You need to push your rendering task as "external" job. Celery is very > good at it and it does integrate with Django very well. > > Basic idea is that you have view that starts the task and returns you > the progress view that is either refreshed by using meta-tag or quite > common ajax-approach to poll a view that returns progress value. And of > course some view to actually fetch the result. > > But there is nothing in template engine that can offer this kind of > features since it's property of HTTP protocol and how request/response > cycle goes. > > -- > Jani Tiainen > > - Well planned is half done and a half done has been sufficient before... > -- You received this message because you are subscribed to the Google Groups "Django users" group. To view this discussion on the web visit https://groups.google.com/d/msg/django-users/-/KFnZpw4J5vsJ. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
