django_seven 0.1

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Collection of code/tools to help for Django upgrading. This package name is a reference to python package ‘six’ which was helping compatibility between python 2 and 3.

The idea of this package is to share some experience gained from a Django upgrade from 1.4 to 1.9 on a quite big project. Have a look at Django Upgrade talk for more details. django-seven will at the beginning contain compat module and deprecated rules logic.

Deprecated rules

A Django management command check_deprecated_rules is available to check if your project is “upgrade-compatible”.

You should first add django_seven.deprecated_rules to your INSTALLED_APPS:

INSTALLED_APPS = [
    ...
    'django_seven.deprecated_rules',
]

Then launch the management command for your project:

$ ./manage.py check_deprecated_rules

./core/models.py
1601: models.BooleanField has to be initialised with default parameter,
      as implicit default has changed between Django 1.4 (False) and 1.6 (None).
L6:     boolean_field = models.BooleanField()

This command will give you a list of non-respected rules, with useful informations to fix them:

• The impacted file,

• The rule number, with an explanation of the rule,

• The line number, and the line copy.

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