chore: remove south

manage.py

@@ -3,8 +3,10 @@
 import sys
 
 if __name__ == "__main__":
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'separatedvaluesfield.tests.settings')
-    os.environ.setdefault('DJANGO_CONFIGURATION', 'Test')
+    os.environ.setdefault(
+        "DJANGO_SETTINGS_MODULE", "separatedvaluesfield.tests.settings"
+    )
+    os.environ.setdefault("DJANGO_CONFIGURATION", "Test")
 
     from django.core.management import execute_from_command_line
 

separatedvaluesfield/__init__.py

@@ -1,3 +1,3 @@
 version = (0, 6, 0)
 
-__version__ = '.'.join(map(str, version))
+__version__ = ".".join(map(str, version))

separatedvaluesfield/models.py

@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.core import validators
 from django.core import exceptions
 from django.db import models
@@ -12,6 +9,7 @@ class Creator(object):
     """
     A placeholder class that provides a way to set the attribute on the model.
     """
+
     def __init__(self, field):
         self.field = field
 
@@ -26,8 +24,8 @@ def __set__(self, obj, value):
 
 class BaseSeparatedValuesField(object):
     def __init__(self, *args, **kwargs):
-        self.token = kwargs.pop('token', ',')
-        self.cast = kwargs.pop('cast', str)
+        self.token = kwargs.pop("token", ",")
+        self.cast = kwargs.pop("cast", str)
         super(BaseSeparatedValuesField, self).__init__(*args, **kwargs)
 
     def contribute_to_class(self, cls, name, **kwargs):
@@ -58,13 +56,15 @@ def validate(self, value, model_instance):
 
             for val in value:
                 if val and val not in choices:
-                    raise exceptions.ValidationError(self.error_messages['invalid_choice'] % val)
+                    raise exceptions.ValidationError(
+                        self.error_messages["invalid_choice"] % val
+                    )
 
         if value is None and not self.null:
-            raise exceptions.ValidationError(self.error_messages['null'])
+            raise exceptions.ValidationError(self.error_messages["null"])
 
         if not self.blank and value in validators.EMPTY_VALUES:
-            raise exceptions.ValidationError(self.error_messages['blank'])
+            raise exceptions.ValidationError(self.error_messages["blank"])
 
     def to_python(self, value):
         if not value:
@@ -80,34 +80,48 @@ def get_db_prep_value(self, value, *args, **kwargs):
         if not value:
             return value
 
-        assert(isinstance(value, list) or isinstance(value, tuple))
+        assert isinstance(value, list) or isinstance(value, tuple)
 
-        return self.token.join(['%s' % s for s in value])
+        return self.token.join(["%s" % s for s in value])
 
     def value_to_string(self, obj):
-        value = (self._get_val_from_obj(obj) if hasattr(self, "_get_val_from_obj") else self.value_from_object(obj))
+        value = (
+            self._get_val_from_obj(obj)
+            if hasattr(self, "_get_val_from_obj")
+            else self.value_from_object(obj)
+        )
         return self.get_db_prep_value(value)
 
     def formfield(self, form_class=MultipleChoiceField, **kwargs):
-        defaults = {'required': not self.blank,
-                    'label': capfirst(self.verbose_name),
-                    'help_text': self.help_text}
+        defaults = {
+            "required": not self.blank,
+            "label": capfirst(self.verbose_name),
+            "help_text": self.help_text,
+        }
         if self.has_default():
             if callable(self.default):
-                defaults['initial'] = self.default
-                defaults['show_hidden_initial'] = True
+                defaults["initial"] = self.default
+                defaults["show_hidden_initial"] = True
             else:
-                defaults['initial'] = self.get_default()
+                defaults["initial"] = self.get_default()
 
         if self.choices:
-            include_blank = (self.blank or
-                             not (self.has_default() or 'initial' in kwargs))
-            defaults['choices'] = self.get_choices(include_blank=include_blank)
+            include_blank = self.blank or not (
+                self.has_default() or "initial" in kwargs
+            )
+            defaults["choices"] = self.get_choices(include_blank=include_blank)
 
             for k in list(kwargs):
-                if k not in ('choices', 'required',
-                             'widget', 'label', 'initial', 'help_text',
-                             'error_messages', 'show_hidden_initial'):
+                if k not in (
+                    "choices",
+                    "required",
+                    "widget",
+                    "label",
+                    "initial",
+                    "help_text",
+                    "error_messages",
+                    "show_hidden_initial",
+                ):
                     del kwargs[k]
         defaults.update(kwargs)
         return form_class(**defaults)
@@ -119,9 +133,3 @@ class SeparatedValuesField(BaseSeparatedValuesField, models.CharField):
 
 class TextSeparatedValuesField(BaseSeparatedValuesField, models.TextField):
     pass
-
-try:
-    from south.modelsinspector import add_introspection_rules
-    add_introspection_rules([], ["^separatedvaluesfield\.models\.SeparatedValuesField"])
-except ImportError:
-    pass

separatedvaluesfield/tests/models.py

@@ -6,36 +6,34 @@
 
 class Project(models.Model):
     name = models.CharField(max_length=150)
-    languages = SeparatedValuesField(max_length=150, choices=(('en', 'English'),
-                                                              ('fr', 'French')), blank=True)
+    languages = SeparatedValuesField(
+        max_length=150, choices=(("en", "English"), ("fr", "French")), blank=True
+    )
 
 
 class RequiredProject(models.Model):
     name = models.CharField(max_length=150)
-    languages = SeparatedValuesField(max_length=150, choices=(('en', 'English'),
-                                                              ('fr', 'French')))
+    languages = SeparatedValuesField(
+        max_length=150, choices=(("en", "English"), ("fr", "French"))
+    )
 
 
 class ProjectCastInt(models.Model):
     name = models.CharField(max_length=150)
     languages = SeparatedValuesField(
-        max_length=150,
-        cast=int,
-        choices=(
-            (1, 'English'),
-            (2, 'French')))
+        max_length=150, cast=int, choices=((1, "English"), (2, "French"))
+    )
 
 
 class ProjectCastString(models.Model):
     name = models.CharField(max_length=150)
     languages = SeparatedValuesField(
-        max_length=150,
-        choices=(
-            ('1', 'English'),
-            ('2', 'French')))
+        max_length=150, choices=(("1", "English"), ("2", "French"))
+    )
 
 
 class ProjectText(models.Model):
     name = models.CharField(max_length=150)
-    languages = TextSeparatedValuesField(choices=(('en', 'English'),
-                                                  ('fr', 'French')), blank=True)
+    languages = TextSeparatedValuesField(
+        choices=(("en", "English"), ("fr", "French")), blank=True
+    )

separatedvaluesfield/tests/settings.py

@@ -1,28 +1,28 @@
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': '',
-        'USER': '',
-        'PASSWORD': '',
-        'HOST': '',
-        'PORT': '',
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": "",
+        "USER": "",
+        "PASSWORD": "",
+        "HOST": "",
+        "PORT": "",
     }
 }
 
 SITE_ID = 1
 DEBUG = True
 
 INSTALLED_APPS = [
-    'separatedvaluesfield.tests',
+    "separatedvaluesfield.tests",
 ]
 
-SECRET_KEY = 'blabla'
+SECRET_KEY = "blabla"
 
 MIDDLEWARE_CLASSES = (
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.common.CommonMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
-    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
 )