django1/django/db/backends/mysql/client.py

58 lines
2.4 KiB
Python

from django.db.backends.base.client import BaseDatabaseClient
class DatabaseClient(BaseDatabaseClient):
executable_name = 'mysql'
@classmethod
def settings_to_cmd_args_env(cls, settings_dict, parameters):
args = [cls.executable_name]
env = None
db = settings_dict['OPTIONS'].get('db', settings_dict['NAME'])
user = settings_dict['OPTIONS'].get('user', settings_dict['USER'])
password = settings_dict['OPTIONS'].get(
'password',
settings_dict['OPTIONS'].get('passwd', settings_dict['PASSWORD'])
)
host = settings_dict['OPTIONS'].get('host', settings_dict['HOST'])
port = settings_dict['OPTIONS'].get('port', settings_dict['PORT'])
server_ca = settings_dict['OPTIONS'].get('ssl', {}).get('ca')
client_cert = settings_dict['OPTIONS'].get('ssl', {}).get('cert')
client_key = settings_dict['OPTIONS'].get('ssl', {}).get('key')
defaults_file = settings_dict['OPTIONS'].get('read_default_file')
charset = settings_dict['OPTIONS'].get('charset')
# Seems to be no good way to set sql_mode with CLI.
if defaults_file:
args += ["--defaults-file=%s" % defaults_file]
if user:
args += ["--user=%s" % user]
if password:
# The MYSQL_PWD environment variable usage is discouraged per
# MySQL's documentation due to the possibility of exposure through
# `ps` on old Unix flavors but --password suffers from the same
# flaw on even more systems. Usage of an environment variable also
# prevents password exposure if the subprocess.run(check=True) call
# raises a CalledProcessError since the string representation of
# the latter includes all of the provided `args`.
env = {'MYSQL_PWD': password}
if host:
if '/' in host:
args += ["--socket=%s" % host]
else:
args += ["--host=%s" % host]
if port:
args += ["--port=%s" % port]
if server_ca:
args += ["--ssl-ca=%s" % server_ca]
if client_cert:
args += ["--ssl-cert=%s" % client_cert]
if client_key:
args += ["--ssl-key=%s" % client_key]
if charset:
args += ['--default-character-set=%s' % charset]
if db:
args += [db]
args.extend(parameters)
return args, env