示例#1
0
def main(args):
    # Do this as soon as possible so we can log any early traceback
    setup_excepthook()

    if platform.system() == 'Windows':
        _windows_fixes()

    handler = StoqServerCmdHandler()
    if not args:
        handler.cmd_help()
        return 1

    cmd = args[0]
    args = args[1:]

    parser = get_option_parser()
    handler.add_options(cmd, parser)
    options, args = parser.parse_args(args)

    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else
                APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)

    return handler.run_cmd(cmd, options, *args)
示例#2
0
    def _read_config(self,
                     options,
                     create=False,
                     register_station=True,
                     check_schema=True,
                     load_plugins=True):
        from stoqlib.lib.configparser import StoqConfig
        from stoq.lib.startup import setup
        config = StoqConfig()
        if options.load_config and options.filename:
            config.load(options.filename)
        else:
            config.load_default()
        if create:
            config.create()

        # FIXME: This should be removed and we should just import
        #        the global settings after fixing StoqConfig to
        #        only update the global settings.
        self._db_settings = config.get_settings()
        setup(config,
              options,
              register_station=register_station,
              check_schema=check_schema,
              load_plugins=load_plugins)
        return config
示例#3
0
def main(args):
    if platform.system() == 'Windows':
        _windows_fixes()

    handler = StoqServerCmdHandler()
    if not args:
        handler.cmd_help()
        return 1

    cmd = args[0]
    args = args[1:]

    parser = get_option_parser()
    handler.add_options(cmd, parser)
    options, args = parser.parse_args(args)

    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)

    global SENTRY_URL, raven_client
    SENTRY_URL = config.get('Sentry', 'url') or SENTRY_URL
    raven_client = raven.Client(SENTRY_URL, release=stoqserver.version_str)
    setup_excepthook(SENTRY_URL)

    return handler.run_cmd(cmd, options, *args)
示例#4
0
def main(args):
    if platform.system() == 'Windows':
        _windows_fixes()

    handler = StoqServerCmdHandler()
    if not args:
        handler.cmd_help()
        return 1

    cmd = args[0]
    args = args[1:]

    parser = get_option_parser()
    handler.add_options(cmd, parser)
    options, args = parser.parse_args(args)

    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else
                APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)

    global SENTRY_URL, raven_client
    SENTRY_URL = config.get('Sentry', 'url') or SENTRY_URL
    raven_client = raven.Client(SENTRY_URL, release=stoqserver.version_str)
    setup_excepthook(SENTRY_URL)

    return handler.run_cmd(cmd, options, *args)
示例#5
0
def main(args):
    handler = StoqServerCmdHandler()
    if not args:
        handler.cmd_help()
        return 1

    cmd = args[0]
    args = args[1:]

    parser = get_option_parser()
    handler.add_options(cmd, parser)
    options, args = parser.parse_args(args)

    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)

    # FIXME: Maybe we should check_schema and load plugins here?
    setup(config=config,
          options=options,
          register_station=False,
          check_schema=False,
          load_plugins=True)

    handler.run_cmd(cmd, options, *args)
示例#6
0
def main(args):
    handler = StoqServerCmdHandler()
    if not args:
        handler.cmd_help()
        return 1

    cmd = args[0]
    args = args[1:]

    parser = get_option_parser()
    handler.add_options(cmd, parser)
    options, args = parser.parse_args(args)

    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else
                APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)

    # FIXME: Maybe we should check_schema and load plugins here?
    setup(config=config, options=options, register_station=False,
          check_schema=False, load_plugins=True)

    handler.run_cmd(cmd, options, *args)
示例#7
0
def main(args):
    parser = get_option_parser()
    group = optparse.OptionGroup(parser, 'Daemon')
    group.add_option('',
                     '--daemon-id',
                     action="store",
                     dest="daemon_id",
                     help='Daemon Identifier')
    parser.add_option_group(group)
    options, args = parser.parse_args(args)
    if not options.daemon_id:
        raise SystemExit("Need a daemon id")

    from stoqlib.lib.message import error
    from stoqlib.lib.configparser import StoqConfig
    log.debug('reading configuration')
    config = StoqConfig()
    if options.filename:
        config.load(options.filename)
    else:
        config.load_default()

    settings = config.get_settings()

    try:
        store_dsn = settings.get_store_dsn()
    except:
        type, value, trace = sys.exc_info()
        error(
            _("Could not open the database config file"),
            _("Invalid config file settings, got error '%s', "
              "of type '%s'") % (value, type))

    from stoqlib.exceptions import StoqlibError
    from stoqlib.database.exceptions import PostgreSQLError
    from stoq.lib.startup import setup
    log.debug('calling setup()')

    # XXX: progress dialog for connecting (if it takes more than
    # 2 seconds) or creating the database
    try:
        setup(config, options, register_station=True, check_schema=False)
    except (StoqlibError, PostgreSQLError) as e:
        error(_('Could not connect to the database'),
              'error=%s dsn=%s' % (str(e), store_dsn))
        raise SystemExit("Error: bad connection settings provided")

    daemon = Daemon(options.daemon_id)
    daemon.run()
示例#8
0
def setup_sentry(options):
    config = StoqConfig()
    filename = (options.filename
                if options.load_config and options.filename else APP_CONF_FILE)
    config.load(filename)
    # FIXME: This is called only when register_station=True. Without
    # this, db_settings would not be updated. We should fix it on Stoq
    config.get_settings()
    register_config(config)
    global SENTRY_URL, raven_client
    SENTRY_URL = config.get('Sentry', 'url') or SENTRY_URL
    raven_client = raven.Client(SENTRY_URL,
                                release=stoqserver.version_str,
                                transport=SilentTransport)
    setup_excepthook()
示例#9
0
def main(args):
    parser = get_option_parser()
    group = optparse.OptionGroup(parser, 'Daemon')
    group.add_option('', '--daemon-id',
                     action="store",
                     dest="daemon_id",
                     help='Daemon Identifier')
    parser.add_option_group(group)
    options, args = parser.parse_args(args)
    if not options.daemon_id:
        raise SystemExit("Need a daemon id")

    from stoqlib.lib.message import error
    from stoqlib.lib.configparser import StoqConfig
    log.debug('reading configuration')
    config = StoqConfig()
    if options.filename:
        config.load(options.filename)
    else:
        config.load_default()

    settings = config.get_settings()

    try:
        store_dsn = settings.get_store_dsn()
    except:
        type, value, trace = sys.exc_info()
        error(_("Could not open the database config file"),
              _("Invalid config file settings, got error '%s', "
                "of type '%s'") % (value, type))

    from stoqlib.exceptions import StoqlibError
    from stoqlib.database.exceptions import PostgreSQLError
    from stoq.lib.startup import setup
    log.debug('calling setup()')

    # XXX: progress dialog for connecting (if it takes more than
    # 2 seconds) or creating the database
    try:
        setup(config, options, register_station=True,
              check_schema=False)
    except (StoqlibError, PostgreSQLError) as e:
        error(_('Could not connect to the database'),
              'error=%s dsn=%s' % (str(e), store_dsn))
        raise SystemExit("Error: bad connection settings provided")

    daemon = Daemon(options.daemon_id)
    daemon.run()
示例#10
0
文件: dbadmin.py 项目: rg3915/stoq
    def _read_config(self, options, create=False, register_station=True, check_schema=True, load_plugins=True):
        from stoqlib.lib.configparser import StoqConfig
        from stoq.lib.startup import setup

        config = StoqConfig()
        if options.load_config and options.filename:
            config.load(options.filename)
        else:
            config.load_default()
        if create:
            config.create()

        # FIXME: This should be removed and we should just import
        #        the global settings after fixing StoqConfig to
        #        only update the global settings.
        self._db_settings = config.get_settings()
        setup(config, options, register_station=register_station, check_schema=check_schema, load_plugins=load_plugins)
        return config
示例#11
0
class ShellDatabaseConnection(object):
    """Sets up a database connection

      - Connects to a database
      - Telling why if it failed
      - Runs database wizard if needed
      - Runs schema migration
      - Activates plugins
      - Sets up main branch
    """

    def __init__(self, options):
        self._options = options
        self._config = None
        self._ran_wizard = False

    def connect(self):
        self._load_configuration()
        self._maybe_run_first_time_wizard()
        self._try_connect()
        self._post_connect()

    def _load_configuration(self):
        from stoqlib.lib.configparser import StoqConfig
        log.debug('reading configuration')
        self._config = StoqConfig()
        if self._options.filename:
            self._config.load(self._options.filename)
        else:
            self._config.load_default()

    def _maybe_run_first_time_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.config import FirstTimeConfigWizard

        config_file = self._config.get_filename()
        if self._options.wizard or not os.path.exists(config_file):
            run_dialog(FirstTimeConfigWizard, None, self._options)
            self._ran_wizard = True

        if self._config.get('Database', 'enable_production') == 'True':
            run_dialog(FirstTimeConfigWizard, None, self._options, self._config)
            self._ran_wizard = True

    def _get_password(self):
        import binascii
        configdir = self._config.get_config_directory()
        filename = os.path.join(configdir, 'data')
        if not os.path.exists(filename):
            return

        with open(filename, 'rb') as f:
            return binascii.a2b_base64(f.read()).decode()

    def _try_connect(self):
        from stoqlib.lib.message import error
        try:
            store_uri = self._config.get_settings().get_store_uri()
        except Exception:
            type, value, trace = sys.exc_info()
            error(_("Could not open the database config file"),
                  _("Invalid config file settings, got error '%s', "
                    "of type '%s'") % (value, type))

        from stoqlib.database.exceptions import PostgreSQLError
        from stoqlib.database.runtime import get_default_store
        from stoqlib.exceptions import DatabaseError
        from stoqlib.lib.pgpass import write_pg_pass
        from stoq.lib.startup import setup

        # XXX: progress dialog for connecting (if it takes more than
        # 2 seconds) or creating the database
        log.debug('calling setup()')
        try:
            setup(self._config, self._options, register_station=False,
                  check_schema=False, load_plugins=False)
            # the setup call above is not really trying to connect (since
            # register_station, check_schema and load_plugins are all False).
            # Try to really connect here.
            get_default_store()
        except (StoqlibError, PostgreSQLError) as e:
            log.debug('Connection failed.')
            error(_('Could not connect to the database'),
                  'error=%s uri=%s' % (str(e), store_uri))
        except DatabaseError:
            log.debug('Connection failed. Tring to setup .pgpass')
            # This is probably a missing password configuration. Setup the
            # pgpass file and try again.
            try:
                password = self._get_password()
                if not password:
                    # There is no password stored in data file. Abort
                    raise
                from stoqlib.database.settings import db_settings
                write_pg_pass(db_settings.dbname, db_settings.address,
                              db_settings.port, db_settings.username, password)
                # Now that there is a pg_pass file, try to connect again
                get_default_store()
            except DatabaseError as e:
                log.debug('Connection failed again.')
                error(_('Could not connect to the database'),
                      'error=%s uri=%s' % (str(e), store_uri))

    def _post_connect(self):
        self._check_schema_migration()
        self._check_branch()
        self._activate_plugins()

    def _check_schema_migration(self):
        from stoqlib.lib.message import error
        from stoqlib.database.migration import needs_schema_update
        from stoqlib.exceptions import DatabaseInconsistency
        if needs_schema_update():
            self._run_update_wizard()

        from stoqlib.database.migration import StoqlibSchemaMigration
        migration = StoqlibSchemaMigration()
        try:
            migration.check()
        except DatabaseInconsistency as e:
            error(_('The database version differs from your installed '
                    'version.'), str(e))

    def _activate_plugins(self):
        from stoqlib.lib.pluginmanager import get_plugin_manager
        manager = get_plugin_manager()
        manager.activate_installed_plugins()

    def _check_branch(self):
        from stoqlib.database.runtime import (get_default_store, new_store,
                                              get_current_station,
                                              set_current_branch_station)
        from stoqlib.domain.person import Company
        from stoqlib.lib.parameters import sysparam
        from stoqlib.lib.message import info

        default_store = get_default_store()

        compaines = default_store.find(Company)
        if (compaines.count() == 0 or
                not sysparam.has_object('MAIN_COMPANY')):
            from stoqlib.gui.base.dialogs import run_dialog
            from stoqlib.gui.dialogs.branchdialog import BranchDialog
            if self._ran_wizard:
                info(_("You need to register a company before start using Stoq"))
            else:
                info(_("Could not find a company. You'll need to register one "
                       "before start using Stoq"))
            store = new_store()
            person = run_dialog(BranchDialog, None, store)
            if not person:
                raise SystemExit
            branch = person.branch
            sysparam.set_object(store, 'MAIN_COMPANY', branch)
            current_station = get_current_station(store)
            if current_station is not None:
                current_station.branch = branch
            store.commit()
            store.close()

        set_current_branch_station(default_store, station_name=None)

    def _run_update_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.update import SchemaUpdateWizard
        retval = run_dialog(SchemaUpdateWizard, None)
        if not retval:
            raise SystemExit()
示例#12
0
class ShellDatabaseConnection(object):
    """Sets up a database connection

      - Connects to a database
      - Telling why if it failed
      - Runs database wizard if needed
      - Runs schema migration
      - Activates plugins
      - Sets up main branch
    """

    def __init__(self, options):
        self._options = options
        self._config = None
        self._ran_wizard = False

    def connect(self):
        self._load_configuration()
        self._maybe_run_first_time_wizard()
        self._try_connect()
        self._post_connect()

    def _load_configuration(self):
        from stoqlib.lib.configparser import StoqConfig
        log.debug('reading configuration')
        self._config = StoqConfig()
        if self._options.filename:
            self._config.load(self._options.filename)
        else:
            self._config.load_default()

    def _maybe_run_first_time_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.config import FirstTimeConfigWizard

        config_file = self._config.get_filename()
        if self._options.wizard or not os.path.exists(config_file):
            run_dialog(FirstTimeConfigWizard, None, self._options)
            self._ran_wizard = True

        if self._config.get('Database', 'enable_production') == 'True':
            run_dialog(FirstTimeConfigWizard, None, self._options, self._config)
            self._ran_wizard = True

    def _try_connect(self):
        from stoqlib.lib.message import error
        try:
            store_dsn = self._config.get_settings().get_store_dsn()
        except:
            type, value, trace = sys.exc_info()
            error(_("Could not open the database config file"),
                  _("Invalid config file settings, got error '%s', "
                    "of type '%s'") % (value, type))

        from stoqlib.database.exceptions import PostgreSQLError
        from stoq.lib.startup import setup

        # XXX: progress dialog for connecting (if it takes more than
        # 2 seconds) or creating the database
        log.debug('calling setup()')
        try:
            setup(self._config, self._options, register_station=False,
                  check_schema=False, load_plugins=False)
        except (StoqlibError, PostgreSQLError) as e:
            error(_('Could not connect to the database'),
                  'error=%s uri=%s' % (str(e), store_dsn))

    def _post_connect(self):
        self._check_schema_migration()
        self._check_branch()
        self._activate_plugins()

    def _check_schema_migration(self):
        from stoqlib.lib.message import error
        from stoqlib.database.migration import needs_schema_update
        from stoqlib.exceptions import DatabaseInconsistency
        if needs_schema_update():
            self._run_update_wizard()

        from stoqlib.database.migration import StoqlibSchemaMigration
        migration = StoqlibSchemaMigration()
        try:
            migration.check()
        except DatabaseInconsistency as e:
            error(_('The database version differs from your installed '
                    'version.'), str(e))

    def _activate_plugins(self):
        from stoqlib.lib.pluginmanager import get_plugin_manager
        manager = get_plugin_manager()
        manager.activate_installed_plugins()

    def _check_branch(self):
        from stoqlib.database.runtime import (get_default_store, new_store,
                                              get_current_station,
                                              set_current_branch_station)
        from stoqlib.domain.person import Company
        from stoqlib.lib.parameters import sysparam
        from stoqlib.lib.message import info

        default_store = get_default_store()
        set_current_branch_station(default_store, station_name=None)

        compaines = default_store.find(Company)
        if (compaines.count() == 0 or
            not sysparam.has_object('MAIN_COMPANY')):
            from stoqlib.gui.base.dialogs import run_dialog
            from stoqlib.gui.dialogs.branchdialog import BranchDialog
            if self._ran_wizard:
                info(_("You need to register a company before start using Stoq"))
            else:
                info(_("Could not find a company. You'll need to register one "
                       "before start using Stoq"))
            store = new_store()
            person = run_dialog(BranchDialog, None, store)
            if not person:
                raise SystemExit
            branch = person.branch
            sysparam.set_object(store, 'MAIN_COMPANY', branch)
            get_current_station(store).branch = branch
            store.commit()
            store.close()

    def _run_update_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.update import SchemaUpdateWizard
        retval = run_dialog(SchemaUpdateWizard, None)
        if not retval:
            raise SystemExit()
示例#13
0
文件: startup.py 项目: Guillon88/stoq
def setup(config=None, options=None, register_station=True, check_schema=True,
          load_plugins=True):
    """
    Loads the configuration from arguments and configuration file.

    @param config: a StoqConfig instance
    @param options: a Optionparser instance
    @param register_station: if we should register the branch station.
    @param check_schema: if we should check the schema
    @param load_plugins: if we should load plugins for the system
    """

    # NOTE: No GUI calls are allowed in here
    #       If you change anything here, you need to verify that all
    #       callsites are still working properly.
    #       bin/stoq
    #       bin/stoqdbadmin
    #       python stoq/tests/runtest.py

    if options is None:
        parser = get_option_parser()
        options, args = parser.parse_args(sys.argv)

    if options.verbose:
        from kiwi.log import set_log_level
        set_log_level('stoq*', 0)

    setup_path()

    if config is None:
        config = StoqConfig()
        if options.filename:
            config.load(options.filename)
        else:
            config.load_default()
    config.set_from_options(options)

    register_config(config)

    if options and options.sqldebug:
        enable_debugging()

    from stoq.lib.applist import ApplicationDescriptions
    provide_utility(IApplicationDescriptions, ApplicationDescriptions(),
                    replace=True)

    if register_station:
        try:
            default_store = get_default_store()
        except DatabaseError as e:
            error(e.short, str(e.msg))

        config.get_settings().check_version(default_store)

        if check_schema:
            migration = StoqlibSchemaMigration()
            migration.check()

        if options and options.sqldebug:
            enable_debugging()

        set_current_branch_station(default_store, station_name=None)

    if load_plugins:
        from stoqlib.lib.pluginmanager import get_plugin_manager
        manager = get_plugin_manager()
        manager.activate_installed_plugins()

    if check_schema:
        default_store = get_default_store()
        if not default_store.table_exists('system_table'):
            error(
                _("Database schema error"),
                _("Table 'system_table' does not exist.\n"
                  "Consult your database administrator to solve this problem."))

        if check_schema:
            migration = StoqlibSchemaMigration()
            migration.check()
示例#14
0
文件: startup.py 项目: 5l1v3r1/stoq-1
def setup(config=None, options=None, register_station=True, check_schema=True,
          load_plugins=True):
    """
    Loads the configuration from arguments and configuration file.

    @param config: a StoqConfig instance
    @param options: a Optionparser instance
    @param register_station: if we should register the branch station.
    @param check_schema: if we should check the schema
    @param load_plugins: if we should load plugins for the system
    """

    # NOTE: No GUI calls are allowed in here
    #       If you change anything here, you need to verify that all
    #       callsites are still working properly.
    #       bin/stoq
    #       bin/stoqdbadmin
    #       python stoq/tests/runtest.py

    if options is None:
        parser = get_option_parser()
        options, args = parser.parse_args(sys.argv)

    if options.verbose:
        from kiwi.log import set_log_level
        set_log_level('stoq*', 0)

    setup_path()

    if config is None:
        config = StoqConfig()
        if options.filename:
            config.load(options.filename)
        else:
            config.load_default()
    config.set_from_options(options)

    register_config(config)

    if options and options.sqldebug:
        enable_debugging()

    from stoq.lib.applist import ApplicationDescriptions
    provide_utility(IApplicationDescriptions, ApplicationDescriptions(),
                    replace=True)

    db_settings = config.get_settings()
    try:
        default_store = get_default_store()
    except DatabaseError as e:
        # Only raise an error if a database is actually required
        if register_station or load_plugins or check_schema:
            error(e.short, str(e.msg))
        else:
            default_store = None

    if register_station:
        db_settings.check_version(default_store)
        if check_schema:
            migration = StoqlibSchemaMigration()
            migration.check()

        if options and options.sqldebug:
            enable_debugging()

        set_current_branch_station(default_store, station_name=None)

    if load_plugins:
        from stoqlib.lib.pluginmanager import get_plugin_manager
        manager = get_plugin_manager()
        manager.activate_installed_plugins()

    if check_schema:
        if not default_store.table_exists('system_table'):
            error(
                _("Database schema error"),
                _("Table 'system_table' does not exist.\n"
                  "Consult your database administrator to solve this problem."))

        if check_schema:
            migration = StoqlibSchemaMigration()
            migration.check()
示例#15
0
class ShellDatabaseConnection(object):
    """Sets up a database connection

      - Connects to a database
      - Telling why if it failed
      - Runs database wizard if needed
      - Runs schema migration
      - Activates plugins
      - Sets up main branch
    """

    def __init__(self, options):
        self._options = options
        self._config = None
        self._ran_wizard = False

    def connect(self):
        self._load_configuration()
        self._maybe_run_first_time_wizard()
        self._try_connect()
        self._post_connect()

    def _load_configuration(self):
        from stoqlib.lib.configparser import StoqConfig
        log.debug('reading configuration')
        self._config = StoqConfig()
        if self._options.filename:
            self._config.load(self._options.filename)
        else:
            self._config.load_default()

    def _maybe_run_first_time_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.config import FirstTimeConfigWizard

        config_file = self._config.get_filename()
        if self._options.wizard or not os.path.exists(config_file):
            run_dialog(FirstTimeConfigWizard, None, self._options)
            self._ran_wizard = True

        if self._config.get('Database', 'enable_production') == 'True':
            run_dialog(FirstTimeConfigWizard, None, self._options, self._config)
            self._ran_wizard = True

    def _try_connect(self):
        from stoqlib.lib.message import error
        try:
            store_dsn = self._config.get_settings().get_store_dsn()
        except:
            type, value, trace = sys.exc_info()
            error(_("Could not open the database config file"),
                  _("Invalid config file settings, got error '%s', "
                    "of type '%s'") % (value, type))

        from stoqlib.database.exceptions import PostgreSQLError
        from stoq.lib.startup import setup

        # XXX: progress dialog for connecting (if it takes more than
        # 2 seconds) or creating the database
        log.debug('calling setup()')
        try:
            setup(self._config, self._options, register_station=False,
                  check_schema=False, load_plugins=False)
        except (StoqlibError, PostgreSQLError) as e:
            error(_('Could not connect to the database'),
                  'error=%s uri=%s' % (str(e), store_dsn))

    def _post_connect(self):
        self._check_schema_migration()
        self._check_branch()
        self._activate_plugins()

    def _check_schema_migration(self):
        from stoqlib.lib.message import error
        from stoqlib.database.migration import needs_schema_update
        from stoqlib.exceptions import DatabaseInconsistency
        if needs_schema_update():
            self._run_update_wizard()

        from stoqlib.database.migration import StoqlibSchemaMigration
        migration = StoqlibSchemaMigration()
        try:
            migration.check()
        except DatabaseInconsistency as e:
            error(_('The database version differs from your installed '
                    'version.'), str(e))

    def _activate_plugins(self):
        from stoqlib.lib.pluginmanager import get_plugin_manager
        manager = get_plugin_manager()
        manager.activate_installed_plugins()

    def _check_branch(self):
        from stoqlib.database.runtime import (get_default_store, new_store,
                                              get_current_station,
                                              set_current_branch_station)
        from stoqlib.domain.person import Company
        from stoqlib.lib.parameters import sysparam
        from stoqlib.lib.message import info

        default_store = get_default_store()
        set_current_branch_station(default_store, station_name=None)

        compaines = default_store.find(Company)
        if (compaines.count() == 0 or
            not sysparam(default_store).MAIN_COMPANY):
            from stoqlib.gui.base.dialogs import run_dialog
            from stoqlib.gui.dialogs.branchdialog import BranchDialog
            if self._ran_wizard:
                info(_("You need to register a company before start using Stoq"))
            else:
                info(_("Could not find a company. You'll need to register one "
                       "before start using Stoq"))
            store = new_store()
            person = run_dialog(BranchDialog, None, store)
            if not person:
                raise SystemExit
            branch = person.branch
            sysparam(store).MAIN_COMPANY = branch.id
            get_current_station(store).branch = branch
            store.commit()
            store.close()

    def _run_update_wizard(self):
        from stoqlib.gui.base.dialogs import run_dialog
        from stoq.gui.update import SchemaUpdateWizard
        retval = run_dialog(SchemaUpdateWizard, None)
        if not retval:
            raise SystemExit()