def __init__(self):
"""
Initialize a new TUI session.
* Load server list from a configuration file under working directory.
* Try to load the hosts data file under working directory if it
exists.
.. note:: IF hosts data file does not exists correctly in current
working directory, a warning message box would popup. And
operations to change the hosts file on current system could be
done only until a new data file has been downloaded.
.. seealso:: :meth:`~tui.curses_d.CursesDaemon.session_daemon` method
in :class:`~tui.curses_d.CursesDaemon`.
.. seealso:: :meth:`~gui.hostsutil.HostsUtil.init_main` in
:class:`~gui.hostsutil.HostsUtil` class.
"""
super(HostsUtil, self).__init__()
# Set mirrors
self.settings[0][2] = CommonUtil.set_network("network.conf")
# Read data file and set function list
try:
self.set_platform()
RetrieveData.unpack()
RetrieveData.connect_db()
self.set_info()
self.set_func_list()
except IOError:
self.messagebox("No data file found! Press F6 to get data file "
"first.", 1)
except BadZipfile:
self.messagebox("Incorrect Data file! Press F6 to get a new data "
"file first.", 1)
def check_connection(cls):
"""
Check connection status to the servers.
Modified from tui.curses_d.CursesDaemon.check_connection()
"""
cls.show_status("Checking Server Status ...")
cls.settings[0][2] = CommonUtil.set_network(cls.netfile)
srv_id = 0
for srv_id,server in enumerate(cls.settings[0][2]):
cls.show_status("Trying to connect to "+server["tag"]+"...")
url = server["test_url"]
conn = CommonUtil.check_connection(url)
if conn :
cls.show_status("Connected!")
cls.settings[0][1] = srv_id
return
cls.show_status("Failed.")
cls.show_status("Can not connect to any server!")
cls.show_status("Script exits now...")
sys.exit(1)
def init_main(self):
"""
Set up the elements on the main dialog. Check the environment of
current operating system and current session.
* Load server list from a configuration file under working directory.
* Try to load the hosts data file under working directory if it
exists.
.. note:: IF hosts data file does not exists correctly in current
working directory, a warning message box would popup. And
operations to change the hosts file on current system could be
done only until a new data file has been downloaded.
.. seealso:: Method :meth:`~tui.hostsutil.HostsUtil.__init__` in
:class:`~tui.hostsutil.HostsUtil` class.
"""
self.ui.SelectMirror.clear()
self.set_version()
# Set mirrors
self.mirrors = CommonUtil.set_network("network.conf")
self.set_mirrors()
# Read data file and set function list
try:
RetrieveData.unpack()
RetrieveData.connect_db()
self.set_func_list(1)
self.refresh_func_list()
self.set_info()
except IOError:
self.warning_no_datafile()
except BadZipfile:
self.warning_incorrect_datafile()
# Check if current session have root privileges
self.check_writable()
self.init_flag += 1
