def refresh_info(self, refresh=0):
"""
Reload the data file information and show them on the main dialog. The
information here includes both metadata and hosts module info from the
data file.
:param refresh: A flag indicating whether the information on main
dialog needs to be reloaded or not. The value could be `0` or `1`.
======= =============
refresh operation
======= =============
0 Do NOT reload
1 Reload
======= =============
:type refresh: int
"""
if refresh and RetrieveData.conn is not None:
RetrieveData.clear()
try:
RetrieveData.unpack()
RetrieveData.connect_db()
self.set_func_list(refresh)
self.refresh_func_list()
self.set_info()
except (BadZipfile, IOError, OSError):
self.warning_incorrect_datafile()
def refresh_info(self, refresh=0):
"""
Reload the data file information and show them on the main dialog. The
information here includes both metadata and hosts module info from the
data file.
:param refresh: A flag indicating whether the information on main
dialog needs to be reloaded or not. The value could be `0` or `1`.
======= =============
refresh operation
======= =============
0 Do NOT reload
1 Reload
======= =============
:type refresh: int
"""
if refresh and RetrieveData.conn is not None:
RetrieveData.clear()
try:
RetrieveData.unpack()
RetrieveData.connect_db()
self.set_func_list(refresh)
self.refresh_func_list()
self.set_info()
except (BadZipfile, IOError, OSError):
self.warning_incorrect_datafile()
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_version(cls):
"""
Compare version of local data file to the version from the server.
Modified from tui.curses_d.CursesDaemon.new_version()
"""
if not os.path.isfile(cls.filename):
return 1
RetrieveData.unpack()
RetrieveData.connect_db()
cls.set_info()
RetrieveData.disconnect_db()
local_ver = cls.hostsinfo["Version"]
server_ver = cls.update["version"]
local_ver = local_ver.split('.')
server_ver = server_ver.split('.')
for i, ver_num in enumerate(local_ver):
if server_ver[i] > ver_num:
return 1
return 0
def start(cls,silent=0,mode='system'):
cls.make_mode=mode #Possible values are 'utf-8', 'ansi' and 'system'.
cls.silent=silent
cls.set_platform()
cls.check_connection()
cls.update = cls.check_update()
if cls.check_version():
cls.show_status("Update found!")
cls.fetch_update()
RetrieveData.unpack()
RetrieveData.connect_db()
cls.set_func_list()
cls.select_all()
cls.set_config_bytes()
mk=MakeHosts(cls)
mk.make()
RetrieveData.clear()
return 1
else:
cls.show_status("No update!")
RetrieveData.clear()
return 0
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
