def _run_migration(self, migration):
if migration.no_dry_run():
if self.verbosity:
print(" - Migration '%s' is marked for no-dry-run." % migration)
return
for name, db in iteritems(south.db.dbs):
south.db.dbs[name].dry_run = True
# preserve the constraint cache as it can be mutated by the dry run
constraint_cache = deepcopy(south.db.db._constraint_cache)
if self._ignore_fail:
south.db.db.debug, old_debug = False, south.db.db.debug
pending_creates = south.db.db.get_pending_creates()
south.db.db.start_transaction()
migration_function = self.direction(migration)
try:
try:
migration_function()
south.db.db.execute_deferred_sql()
except BaseException:
raise exceptions.FailedDryRun(migration, sys.exc_info())
finally:
south.db.db.rollback_transactions_dry_run()
if self._ignore_fail:
south.db.db.debug = old_debug
south.db.db.clear_run_data(pending_creates)
for name, db in iteritems(south.db.dbs):
south.db.dbs[name].dry_run = False
# restore the preserved constraint cache from before dry run was
# executed
south.db.db._constraint_cache = constraint_cache
def _run_migration(self, migration):
if migration.no_dry_run() and self.verbosity:
print " - Migration '%s' is marked for no-dry-run."
return
db.dry_run = True
db.debug, old_debug = False, db.debug
pending_creates = db.get_pending_creates()
db.start_transaction()
migration_function = self.direction(migration)
try:
try:
migration_function()
except:
raise exceptions.FailedDryRun(migration, sys.exc_info())
finally:
db.rollback_transactions_dry_run()
db.debug = old_debug
db.clear_run_data(pending_creates)
db.dry_run = False
def _run_migration(self, migration):
if migration.no_dry_run() and self.verbosity:
print " - Migration '%s' is marked for no-dry-run." % migration
return
south.db.db.dry_run = True
if self._ignore_fail:
south.db.db.debug, old_debug = False, south.db.db.debug
pending_creates = south.db.db.get_pending_creates()
south.db.db.start_transaction()
migration_function = self.direction(migration)
try:
try:
migration_function()
south.db.db.execute_deferred_sql()
except:
raise exceptions.FailedDryRun(migration, sys.exc_info())
finally:
south.db.db.rollback_transactions_dry_run()
if self._ignore_fail:
south.db.db.debug = old_debug
south.db.db.clear_run_data(pending_creates)
south.db.db.dry_run = False