Introducing FlaskrΒΆ

We will call our blogging application flaskr here, feel free to choose a less web-2.0-ish name ;) Basically we want it to do the following things:

  1. let the user sign in and out with credentials specified in the configuration. Only one user is supported.
  2. when the user is logged in they can add new entries to the page consisting of a text-only title and some HTML for the text. This HTML is not sanitized because we trust the user here.
  3. the page shows all entries so far in reverse order (newest on top) and the user can add new ones from there if logged in.

We will be using SQLite3 directly for that application because it’s good enough for an application of that size. For larger applications however it makes a lot of sense to use SQLAlchemy that handles database connections in a more intelligent way, allows you to target different relational databases at once and more. You might also want to consider one of the popular NoSQL databases if your data is more suited for those.

Here a screenshot from the final application:

screenshot of the final application

Continue with Step 0: Creating The Folders.

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