def handle(self, app=None, *args, **options):
# Make sure we have an app
if not app:
print "Please specify an app to convert."
return
# See if the app exists
app = app.split(".")[-1]
try:
app_module = models.get_app(app)
except ImproperlyConfigured:
print "There is no enabled application matching '%s'." % app
return
# Try to get its list of models
model_list = models.get_models(app_module)
if not model_list:
print "This application has no models; this command is for applications that already have models syncdb'd."
print "Make some models, and then use ./manage.py schemamigration %s --initial instead." % app
return
# Ask South if it thinks it's already got migrations
try:
Migrations(app)
except NoMigrations:
pass
else:
print "This application is already managed by South."
return
# Finally! It seems we've got a candidate, so do the two-command trick
verbosity = int(options.get('verbosity', 0))
management.call_command("schemamigration",
app,
initial=True,
verbosity=verbosity)
# Now, we need to re-clean and sanitise appcache
hacks.clear_app_cache()
hacks.repopulate_app_cache()
# And also clear our cached Migration classes
Migrations._clear_cache()
# Now, migrate
management.call_command(
"migrate",
app,
"0001",
fake=True,
verbosity=verbosity,
ignore_ghosts=options.get("ignore_ghosts", False),
delete_ghosts=options.get("delete_ghosts", False),
)
print
print "App '%s' converted. Note that South assumed the application's models matched the database" % app
print "(i.e. you haven't changed it since last syncdb); if you have, you should delete the %s/migrations" % app
print "directory, revert models.py so it matches the database, and try again."
def handle(self, app=None, *args, **options):
# Make sure we have an app
if not app:
print("Please specify an app to convert.")
return
# See if the app exists
app = app.split(".")[-1]
try:
app_module = models.get_app(app)
except ImproperlyConfigured:
print("There is no enabled application matching '%s'." % app)
return
# Try to get its list of models
model_list = models.get_models(app_module)
if not model_list:
print("This application has no models; this command is for applications that already have models syncdb'd.")
print("Make some models, and then use ./manage.py schemamigration %s --initial instead." % app)
return
# Ask South if it thinks it's already got migrations
try:
Migrations(app)
except NoMigrations:
pass
else:
print("This application is already managed by South.")
return
# Finally! It seems we've got a candidate, so do the two-command trick
verbosity = int(options.get('verbosity', 0))
management.call_command("schemamigration", app, initial=True, verbosity=verbosity)
# Now, we need to re-clean and sanitise appcache
hacks.clear_app_cache()
hacks.repopulate_app_cache()
# And also clear our cached Migration classes
Migrations._clear_cache()
# Now, migrate
management.call_command(
"migrate",
app,
"0001",
fake=True,
verbosity=verbosity,
ignore_ghosts=options.get("ignore_ghosts", False),
delete_ghosts=options.get("delete_ghosts", False),
)
print()
print("App '%s' converted. Note that South assumed the application's models matched the database" % app)
print("(i.e. you haven't changed it since last syncdb); if you have, you should delete the %s/migrations" % app)
print("directory, revert models.py so it matches the database, and try again.")
def _south_migrate_all():
if not 'south' in settings.INSTALLED_APPS:
sys.stderr.write(
"warning: 'south' is not in INSTALLED_APPS, no migration done.\n")
return 0
#pylint: disable=import-error,too-many-nested-blocks
from south.migration import Migrations
from south.management.commands import migrate
schema_cmd = SchemaMigration()
initial_apps = []
auto_apps = [] #pylint: disable=unused-variable
for app in [app for app in settings.INSTALLED_APPS if app != 'south']:
try:
app_module = models.get_app(app) #pylint: disable=no-member
# South only used with Django < 1.7
clsmembers = inspect.getmembers(app_module, is_model_class)
if clsmembers:
migrations_dir = os.path.join(
os.path.dirname(app_module.__file__), 'migrations')
if os.path.isdir(migrations_dir):
schema_cmd.handle(app, auto=True)#pylint:disable=no-member
found = False
for migration_file in os.listdir(migrations_dir):
if (re.match(r'^\d\d\d\d', migration_file)
and not migration_file.startswith('0001_initial')):
found = True
break
if found:
auto_apps += [app]
else:
initial_apps += [app]
else:
schema_cmd.handle( #pylint:disable=no-member
app, initial=True)
initial_apps += [app]
else:
sys.stderr.write(
"warning: App %s does not seem to contain any Model\n" %
app)
except OSError as err:
sys.stderr.write("error: App %s, %s\n" % (app, err))
except RuntimeError as err:
sys.stderr.write("error: App %s, %s\n" % (app, err))
except ImproperlyConfigured:
sys.stderr.write(
"warning: App %s does not seem to contain a models.py\n" % app)
# Clear the cached Migrations instances now that we have more of them.
Migrations._clear_cache() #pylint: disable=no-member,protected-access
migrate_cmd = migrate.Command()
for app in initial_apps:
sys.stderr.write("initial migrate for %s\n" % app)
migrate_cmd.handle(app, fake=True)
sys.stderr.write("MIGRATE ALL!\n")
migrate_cmd.handle(no_initial_data=True)
return 0
else:
schema_cmd.handle( #pylint:disable=no-member
app, initial=True)
initial_apps += [app]
else:
print("warning: App %s does not seem to contain any Model" %
app)
except OSError, err:
print "error: App %s, %s" % (app, err)
except RuntimeError, err:
print "warning: App %s, %s" % (app, err)
except ImproperlyConfigured:
print "warning: App %s does not seem to contain a models.py" % app
# Clear the cached Migrations instances now that we have more of them.
Migrations._clear_cache() #pylint: disable=no-member,protected-access
migrate_cmd = migrate.Command()
for app in initial_apps:
print "initial migrate for %s" % app
migrate_cmd.handle(app, fake=True)
print "MIGRATE ALL!"
migrate_cmd.handle(no_initial_data=True)
return 0
def migrate_all():
"""
Create schema migrations for all apps specified in INSTALLED_APPS,
then run a migrate command.
"""
if 'south' in settings.INSTALLED_APPS:
else:
schema_cmd.handle( #pylint:disable=no-member
app, initial=True)
initial_apps += [app]
else:
print("warning: App %s does not seem to contain any Model" %
app)
except OSError, err:
print "error: App %s, %s" % (app, err)
except RuntimeError, err:
print "warning: App %s, %s" % (app, err)
except ImproperlyConfigured:
print "warning: App %s does not seem to contain a models.py" % app
# Clear the cached Migrations instances now that we have more of them.
Migrations._clear_cache() #pylint: disable=no-member,protected-access
migrate_cmd = migrate.Command()
for app in initial_apps:
print "initial migrate for %s" % app
migrate_cmd.handle(app, fake=True)
print "MIGRATE ALL!"
migrate_cmd.handle(no_initial_data=True)
return 0
def migrate_all():
"""
Create schema migrations for all apps specified in INSTALLED_APPS,
then run a migrate command.
"""
if 'south' in settings.INSTALLED_APPS:
