52 lines
2.2 KiB
Python
52 lines
2.2 KiB
Python
import subprocess
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import sys
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from django.db.backends.base.creation import BaseDatabaseCreation
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from .client import DatabaseClient
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class DatabaseCreation(BaseDatabaseCreation):
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def sql_table_creation_suffix(self):
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suffix = []
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test_settings = self.connection.settings_dict['TEST']
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if test_settings['CHARSET']:
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suffix.append('CHARACTER SET %s' % test_settings['CHARSET'])
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if test_settings['COLLATION']:
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suffix.append('COLLATE %s' % test_settings['COLLATION'])
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return ' '.join(suffix)
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def _clone_test_db(self, number, verbosity, keepdb=False):
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qn = self.connection.ops.quote_name
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source_database_name = self.connection.settings_dict['NAME']
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target_database_name = self.get_test_db_clone_settings(number)['NAME']
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with self._nodb_connection.cursor() as cursor:
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try:
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cursor.execute("CREATE DATABASE %s" % qn(target_database_name))
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except Exception:
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if keepdb:
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return
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try:
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if verbosity >= 1:
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print("Destroying old test database for alias %s..." % (
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self._get_database_display_str(verbosity, target_database_name),
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))
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cursor.execute("DROP DATABASE %s" % qn(target_database_name))
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cursor.execute("CREATE DATABASE %s" % qn(target_database_name))
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except Exception as e:
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sys.stderr.write("Got an error recreating the test database: %s\n" % e)
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sys.exit(2)
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dump_cmd = DatabaseClient.settings_to_cmd_args(self.connection.settings_dict)
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dump_cmd[0] = 'mysqldump'
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dump_cmd[-1] = source_database_name
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load_cmd = DatabaseClient.settings_to_cmd_args(self.connection.settings_dict)
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load_cmd[-1] = target_database_name
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dump_proc = subprocess.Popen(dump_cmd, stdout=subprocess.PIPE)
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load_proc = subprocess.Popen(load_cmd, stdin=dump_proc.stdout, stdout=subprocess.PIPE)
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dump_proc.stdout.close() # allow dump_proc to receive a SIGPIPE if load_proc exits.
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load_proc.communicate()
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