44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
from django.db import models
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from south.db import DEFAULT_DB_ALIAS
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# If we detect Django 1.7 or higher, then exit
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# Placed here so it's guaranteed to be imported on Django start
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import django
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if django.VERSION[0] > 1 or (django.VERSION[0] == 1 and django.VERSION[1] > 6):
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raise RuntimeError("South does not support Django 1.7 or higher. Please use native Django migrations.")
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class MigrationHistory(models.Model):
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app_name = models.CharField(max_length=255)
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migration = models.CharField(max_length=255)
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applied = models.DateTimeField(blank=True)
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@classmethod
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def for_migration(cls, migration, database):
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try:
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# Switch on multi-db-ness
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if database != DEFAULT_DB_ALIAS:
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# Django 1.2
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objects = cls.objects.using(database)
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else:
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# Django <= 1.1
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objects = cls.objects
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return objects.get(
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app_name=migration.app_label(),
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migration=migration.name(),
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)
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except cls.DoesNotExist:
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return cls(
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app_name=migration.app_label(),
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migration=migration.name(),
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)
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def get_migrations(self):
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from south.migration.base import Migrations
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return Migrations(self.app_name)
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def get_migration(self):
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return self.get_migrations().migration(self.migration)
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def __str__(self):
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return "<%s: %s>" % (self.app_name, self.migration)
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