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Project Description

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 you should define your current Django version and the version you want to upgrade to in your settings file:

SEVEN_CURRENT_DJANGO_VERSION = '1.4'
SEVEN_FUTURE_DJANGO_VERSION = '1.9'

Then launch the check_deprecated_rules 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.

By default, django-seven is defining some deprecated rules, but you can also define yours in settings file. You should respect the rule fields:

DEPRECATED_RULES = [
    {
        'name': 'deprecated_django_local_flavor_module',
        'message': 'Deprecated django.contrib.localflavor module (now third-party lib). Use localflavor instead.',
        'regex': r'.*django\.contrib\.localflavor.*',
        'number': '1602',
        'should_be_fixed_in': '1.6',
    },
]

You can also use the django-seven ones and add yours:

CUSTOM_RULES = [
    # Your custom rules
]

from django_seven.deprecated_rules.rules import DEPRECATED_RULES as SV_DEPRECATED_RULES
DEPRECATED_RULES = SV_DEPRECATED_RULES + CUSTOM_RULES

You can specify through settings which directories/files you want to exclude from the deprecated rules search:

SEVEN_EXCLUDED_DIRS = ['venv', '.git', 'frontend', 'static', 'docs']
SEVEN_EXCLUDED_SUB_PATHS = ['migrations']
SEVEN_EXCLUDED_SPECIFIC_FILE = ['my/specific/file.py']
SEVEN_EXCLUDED_FILE_EXTENSIONS = ['.pyc']

[UNDER HEAVY DEVELOPMENT / DESIGN CHOICES]

Release History

Release History

0.1.1

This version

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0.1

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TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
django_seven-0.1.1.tar.gz (15.7 kB) Copy SHA256 Checksum SHA256 Source Jul 26, 2016

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