Django-fastdev is an app that makes it faster and more fun to develop Django apps
Project description
Django-fastdev is an app that makes it faster and more fun to develop Django apps.
Features
Faster runserver
Django-fastdev turns off the model validation of the runserver. This makes the runserver much faster to start/restart, and you aren’t editing your models 90% of the time anyway, and when you do and have a problem, the error messages from Django are fairly understandable anyway.
Error on non-existant template variables
Django templates by default hide errors, and when it does show an error it’s often not very helpful. This app will change this so that if you do:
{{ does_not_exist }}instead of rendering that as an empty string, this app will give you an error message:
does_not_exist does not exist in context. Available top level variables:
DEFAULT_MESSAGE_LEVELS
False
None
True
bar
csrf_token
foo
messages
perms
request
userThere are more specialized error messages for when you try to access the contents of a dict, and attributes of an object a few levels deep like foo.bar.baz (where baz doesn’t exist).
Error if you have non-space text outside a block when extending
A common mistake for beginners that can be hard to spot is when they do:
<html>
{% extends "something.html" %}
stuff here
</html>Django silently throws away stuff here and </html>. Django-fastdev makes this an error.
Error on invalid block names when using {% extends “…” %}
If you have a base template:
<html>
<body>
{% block content %}{% endblock %}
</body>
</html>and then write a template like this:
{% extends "base.html" %}
{% block contents %}
hello!
{% endblock %}Django will silently throw away hello! because you wrote contents instead of content. Django-fastdev will turn this into an error which lists the invalid and valid block names in alphabetical order.
Better error messages for reverse
The standard error message for a bad reverse()/{% url %} are rather sparse. Django-fastdev improves them by listing valid patterns so you can easily see the problem.
Faster startup
The initial model checks can be quite slow on big projects. Django-fastdev will move these checks to a separate thread, so the runserver startup time is lowered, so you don’t have to wait for the runserver restart as long.
Usage
First install: pip install django-fastdev
In settings.py add django_fastdev to INSTALLED_APPS:
INSTALLED_APPS = [
# ...
'django_fastdev',
]Enjoy a nicer Django experience!
License
BSD
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