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from django.db import models
from south.db import DEFAULT_DB_ALIAS
class MigrationHistory(models.Model):
app_name = models.CharField(max_length=255)
migration = models.CharField(max_length=255)
applied = models.DateTimeField(blank=True)
@classmethod
def for_migration(cls, migration, database):
try:
# Switch on multi-db-ness
if database != DEFAULT_DB_ALIAS:
# Django 1.2
objects = cls.objects.using(database)
else:
# Django <= 1.1
objects = cls.objects
return objects.get(
app_name=migration.app_label(),
migration=migration.name(),
)
except cls.DoesNotExist:
return cls(
app_name=migration.app_label(),
migration=migration.name(),
)
def get_migrations(self):
from south.migration.base import Migrations
return Migrations(self.app_name)
def get_migration(self):
return self.get_migrations().migration(self.migration)
def __str__(self):
return "<%s: %s>" % (self.app_name, self.migration)
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