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[1.9.x] Fixed #25627, refs #25618 -- Removed detection of south migrations in loader. 

Backport of c4af8eb366 from master
This commit is contained in:
Tim Graham 2015-10-29 07:36:21 -04:00
parent 44f177b5cd
commit 9e7d0d90cc
1 changed files with 1 additions and 21 deletions
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22
django/db/migrations/loader.py
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@ -101,36 +101,16 @@ class MigrationLoader(object):
if import_name[0] not in "_.~":
migration_names.add(import_name)
# Load them
south_style_migrations = False
for migration_name in migration_names:
try:
migration_module = import_module("%s.%s" % (module_name, migration_name))
except ImportError as e:
# Ignore South import errors, as we're triggering them
if "south" in str(e).lower():
south_style_migrations = True
break
raise
migration_module = import_module("%s.%s" % (module_name, migration_name))
if not hasattr(migration_module, "Migration"):
raise BadMigrationError(
"Migration %s in app %s has no Migration class" % (migration_name, app_config.label)
)
# Ignore South-style migrations
if hasattr(migration_module.Migration, "forwards"):
south_style_migrations = True
break
self.disk_migrations[app_config.label, migration_name] = migration_module.Migration(
migration_name,
app_config.label,
)
if south_style_migrations:
if app_config.label in self.migrated_apps:
raise BadMigrationError(
"Migrated app %r contains South migrations. Make sure "
"all numbered South migrations are deleted prior to "
"creating Django migrations." % app_config.label
)
self.unmigrated_apps.add(app_config.label)
def get_migration(self, app_label, name_prefix):
"Gets the migration exactly named, or raises `graph.NodeNotFoundError`"