def list_migrations(apps, database=DEFAULT_DB_ALIAS, **options):
"""
Prints a list of all available migrations, and which ones are currently applied.
Accepts a list of Migrations instances.
"""
from south.models import MigrationHistory
applied_migrations = MigrationHistory.objects.filter(
app_name__in=[app.app_label() for app in apps])
if database != DEFAULT_DB_ALIAS:
applied_migrations = applied_migrations.using(database)
applied_migration_names = [
'%s.%s' % (mi.app_name, mi.migration) for mi in applied_migrations
]
print()
for app in apps:
print(" " + app.app_label())
# Get the migrations object
for migration in app:
if migration.app_label() + "." + migration.name(
) in applied_migration_names:
applied_migration = applied_migrations.get(
app_name=migration.app_label(), migration=migration.name())
print(
format_migration_list_item(
migration.name(),
applied=applied_migration.applied,
**options))
else:
print(
format_migration_list_item(migration.name(),
applied=False,
**options))
print()
def list_migrations(apps, database=DEFAULT_DB_ALIAS, **options):
"""
Prints a list of all available migrations, and which ones are currently applied.
Accepts a list of Migrations instances.
"""
from south.models import MigrationHistory
applied_migrations = MigrationHistory.objects.filter(
app_name__in=[app.app_label() for app in apps])
if database != DEFAULT_DB_ALIAS:
applied_migrations = applied_migrations.using(database)
applied_migrations_lookup = dict(('%s.%s' % (mi.app_name, mi.migration), mi)
for mi in applied_migrations)
print()
for app in apps:
print(" " + app.app_label())
# Get the migrations object
for migration in app:
full_name = migration.app_label() + "." + migration.name()
if full_name in applied_migrations_lookup:
applied_migration = applied_migrations_lookup[full_name]
print(
format_migration_list_item(
migration.name(),
applied=applied_migration.applied,
**options))
else:
print(format_migration_list_item(migration.name(), applied=False, **options))
print()
def fake_if_needed(self, verbosity=1):
# detect installed models
# (code borrowed from django syncdb command)
tables = connection.introspection.table_names()
def model_in_database(model):
opts = model._meta
converter = connection.introspection.table_name_converter
return (converter(opts.db_table) in tables) or \
(opts.auto_created and converter(opts.auto_created._meta.db_table) in tables)
# list all applications with south migration
# (code borrowed from south migrate command)
from south import migration
apps = list(migration.all_migrations())
applied_migrations = MigrationHistory.objects.filter(app_name__in=[app.app_label() for app in apps])
applied_migrations_lookup = dict(('%s.%s' % (mi.app_name, mi.migration), mi) for mi in applied_migrations)
if verbosity > 0:
print 'Status after syncdb:'
for app in apps:
# for each app with migrations, list already applied migrations
applied_migrations = []
for migration in app:
full_name = migration.app_label() + "." + migration.name()
if full_name in applied_migrations_lookup:
applied_migration = applied_migrations_lookup[full_name]
if applied_migration.applied:
applied_migrations.append(migration.name())
# try all models in database, if there none, the application is new
# (because south syncdb does not create any tables)
new = True
for m in models.get_models(app.get_application().models):
if model_in_database(m):
new = False
break
if new:
status = 'application-is-new'
elif not applied_migrations:
status = 'migration-is-new'
else:
status = 'normal'
if verbosity > 0:
print ' - %s: %s' % (app.app_label(), status)
if status == 'migration-is-new':
if verbosity > 0:
print ' need fake migration to 0001_initial'
# migrate --fake gdc 0001
SouthMigrateCommand().execute(app=app.app_label(), target='0001', fake=True, verbosity=verbosity)
def list_migrations(apps, database = DEFAULT_DB_ALIAS):
"""
Prints a list of all available migrations, and which ones are currently applied.
Accepts a list of Migrations instances.
"""
from south.models import MigrationHistory
applied_migrations = MigrationHistory.objects.filter(app_name__in=[app.app_label() for app in apps])
if database != DEFAULT_DB_ALIAS:
applied_migrations = applied_migrations.using(database)
applied_migrations = ['%s.%s' % (mi.app_name,mi.migration) for mi in applied_migrations]
print
for app in apps:
print " " + app.app_label()
# Get the migrations object
for migration in app:
if migration.app_label() + "." + migration.name() in applied_migrations:
print format_migration_list_item(migration.name())
else:
print format_migration_list_item(migration.name(), applied=False)
print
from django.conf import settings
from south import migration
from south.models import MigrationHistory
import sys
apps = list(migration.all_migrations())
applied_migrations = MigrationHistory.objects.filter(
app_name__in=[app.app_label() for app in apps])
applied_migrations = [
'%s.%s' % (mi.app_name, mi.migration) for mi in applied_migrations
]
unapplied_migrations = []
num_new_migrations = 0
for app in apps:
for migration in app:
if migration.app_label() + "." + migration.name(
) not in applied_migrations:
num_new_migrations = num_new_migrations + 1
unapplied_migrations.append(
'%s.%s' % (migration.app_label(), migration.name()))
if num_new_migrations > 0:
import pprint
sys.exit("%d new migrations to apply:\n%s" %
(num_new_migrations, pprint.pformat(unapplied_migrations)))
print "No migrations to run."
