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Matches found for tag 'Jinja2': 4

Flask, Babel and Javascript language files

6 January 2020 Updated 9 January 2020 by Peter

This Flask website is multilanguage. The implementation is described in previous posts. So far all my translations were in the Python code and the HTML templates. On a few places I needed some translations in Javascript and did this by pulling this Javascript code inline in the HTML template. For example, for forms I needed: e.target.setCustomValidity('Please fill out this field.'); I ...
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Adding a contact form to a multilanguage page with content from a database

28 September 2019 Updated 11 October 2019 by Peter

Update 11 October 2019: I changed the addon-tag from '{% addon: ... %}' to '[[ addon: ... ]]'. The reason is that I wanted to be able to render the page text coming from the database, using render_template_string, and '{% ... %}' conflicts with Jinja2 tags. And yes, I do not want to implement a Jinja2 custom tag. What is difficult about implementing a contact page with a contact form with Flask ...
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Adding url_for() links to Jinja templates of a Flask multilanguage website

15 September 2019 Updated 15 September 2019 by Peter

Before you read on, you may want to read my previous posts about multilanguage and language fallback, see links below. When I gave myself the assignment to develop and implement a multilanguage Flask website with SQLAlchemy I knew things could get difficult. I did not really took the time to design everything beforehand, I just read a lot about multilanguage on the internet and trusted my experience ...
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Reducing page response times of a Flask SQLAlchemy website

29 August 2019 Updated 30 August 2019 by Peter

Objects, it is nice to build an application with them but it has one very big disadvantage: it can be very slow because of the extra CPU-cycles and all the extra memory used. The slowdown of course is very much caused by the extra mapper layers and extra data. Should you care about performance? Yes! The admin part of an application does not have to be very fast but the frontend pages, the pages ...
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