Merge pull request #698 from andkit/exp-gui

Gui frontend for openslides

extras/openslides_gui/__main__.py

@@ -0,0 +1,4 @@
+from .gui import main
+
+if __name__ == "__main__":
+    main()

extras/openslides_gui/gui.py

@@ -0,0 +1,695 @@
+from __future__ import unicode_literals
+
+import Queue
+import datetime
+import errno
+import gettext
+import itertools
+import json
+import locale
+import os
+import subprocess
+import sys
+import threading
+
+import wx
+
+import openslides
+import openslides.main
+
+# NOTE: djangos translation module can't be used here since it requires
+#       a defined settings module
+_translations = gettext.NullTranslations()
+_ = lambda text: _translations.ugettext(text)
+ungettext = lambda msg1, msg2, n: _translations.ungettext(msg1, msg2, n)
+
+
+def get_data_path(*args):
+    return os.path.join(os.path.dirname(__file__), "data", *args)
+
+
+class RunCmdEvent(wx.PyCommandEvent):
+    def __init__(self, evt_type, evt_id):
+        super(RunCmdEvent, self).__init__(evt_type, evt_id)
+
+        self.running = False
+        self.exitcode = None
+
+EVT_RUN_CMD_ID = wx.NewEventType()
+EVT_RUN_CMD = wx.PyEventBinder(EVT_RUN_CMD_ID, 1)
+
+
+class RunCommandControl(wx.Panel):
+    UPDATE_INTERVAL = 500
+
+    def __init__(self, parent):
+        super(RunCommandControl, self).__init__(parent)
+
+        self.child_process = None
+        self.output_queue = Queue.Queue()
+        self.output_read_thread = None
+        self.canceled = False
+        self.output_mutex = threading.RLock()
+
+        vbox = wx.BoxSizer(wx.VERTICAL)
+
+        self.te_output = wx.TextCtrl(
+            self, style=wx.TE_MULTILINE | wx.TE_READONLY | wx.HSCROLL)
+        vbox.Add(self.te_output, 1, wx.EXPAND)
+
+        self.update_timer = wx.Timer(self)
+        self.Bind(wx.EVT_TIMER, self.on_update_timer, self.update_timer)
+
+        self.SetSizerAndFit(vbox)
+
+    def _read_output(self):
+        while True:
+            # NOTE: don't use iterator interface since it uses an
+            # internal buffer and we don't see output in a timely fashion
+            line = self.child_process.stdout.readline()
+            if not line:
+                break
+            self.output_queue.put(line)
+
+    def is_alive(self):
+        if self.child_process is None:
+            return False
+        return self.child_process.poll() is None
+
+    def run_command(self, *args):
+        if self.is_alive():
+            raise ValueError("already running a command")
+
+        cmd = [sys.executable, "-u", "-m", "openslides.main"]
+        cmd.extend(args)
+        creationflags = getattr(subprocess, "CREATE_NEW_PROCESS_GROUP", 0)
+        self.child_process = subprocess.Popen(
+            cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT, creationflags=creationflags)
+        self.child_process.stdin.close()
+        self.output_read_thread = threading.Thread(target=self._read_output)
+        self.output_read_thread.start()
+
+        self.update_timer.Start(self.UPDATE_INTERVAL)
+
+        evt = RunCmdEvent(EVT_RUN_CMD_ID, self.GetId())
+        evt.running = True
+        self.GetEventHandler().ProcessEvent(evt)
+
+    def cancel_command(self):
+        if not self.is_alive():
+            return
+
+        # TODO: try sigint first, then get more aggressive if user insists
+        self.child_process.kill()
+        self.canceled = True
+
+    def on_update_timer(self, evt):
+        is_alive = self.is_alive()
+        if not is_alive:
+            # join thread to make sure everything was read
+            self.output_read_thread.join()
+            self.output_read_thread = None
+
+        for line_no in itertools.count():
+            try:
+                data = self.output_queue.get(block=False)
+            except Queue.Empty:
+                break
+            else:
+                # XXX: check whether django uses utf-8 or locale for
+                #      it's cli output
+                text = data.decode("utf-8", errors="replace")
+                with self.output_mutex:
+                    self.te_output.AppendText(text)
+
+                # avoid waiting too long here if child is still alive
+                if is_alive and line_no > 10:
+                    break
+
+        if not is_alive:
+            exitcode = self.child_process.returncode
+            self.update_timer.Stop()
+            self.child_process = None
+
+            evt = RunCmdEvent(EVT_RUN_CMD_ID, self.GetId())
+            evt.running = False
+            evt.exitcode = exitcode
+            self.GetEventHandler().ProcessEvent(evt)
+
+    def append_message(self, text, newline="\n"):
+        with self.output_mutex:
+            self.te_output.AppendText(text + newline)
+
+
+class SettingsDialog(wx.Dialog):
+    def __init__(self, parent):
+        super(SettingsDialog, self).__init__(parent, wx.ID_ANY, _("Settings"))
+
+        grid = wx.GridBagSizer(5, 5)
+        row = 0
+
+        lb_host = wx.StaticText(self, label=_("&Host:"))
+        grid.Add(lb_host, pos=(row, 0))
+        self.tc_host = wx.TextCtrl(self)
+        grid.Add(self.tc_host, pos=(row, 1), flag=wx.EXPAND)
+
+        row += 1
+
+        lb_port = wx.StaticText(self, label=_("&Port:"))
+        grid.Add(lb_port, pos=(row, 0))
+        self.tc_port = wx.TextCtrl(self)
+        grid.Add(self.tc_port, pos=(row, 1), flag=wx.EXPAND)
+
+        row += 1
+
+        sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL)
+        if not sizer is None:
+            grid.Add((0, 0), pos=(row, 0), span=(1, 2))
+            row += 1
+            grid.Add(sizer, pos=(row, 0), span=(1, 2))
+
+        box = wx.BoxSizer(wx.VERTICAL)
+        box.Add(
+            grid, flag=wx.EXPAND | wx.ALL | wx.ALIGN_CENTER_VERTICAL,
+            border=5, proportion=1)
+
+        self.SetSizerAndFit(box)
+
+    @property
+    def host(self):
+        return self.tc_host.GetValue()
+
+    @host.setter
+    def host(self, host):
+        self.tc_host.SetValue(host)
+
+    @property
+    def port(self):
+        return self.tc_port.GetValue()
+
+    @port.setter
+    def port(self, port):
+        self.tc_port.SetValue(port)
+
+
+class BackupSettingsDialog(wx.Dialog):
+    # NOTE: keep order in sync with _update_interval_choices()
+    _INTERVAL_UNITS = ["second", "minute", "hour"]
+
+    def __init__(self, parent):
+        super(BackupSettingsDialog, self).__init__(
+            parent, wx.ID_ANY, _("Database backup"))
+
+        self._interval_units = {}
+
+        grid = wx.GridBagSizer(5, 5)
+        row = 0
+
+        self.cb_backup = wx.CheckBox(
+            self, label=_("&Regularly backup database"))
+        self.cb_backup.SetValue(True)
+        self.cb_backup.Bind(wx.EVT_CHECKBOX, self.on_backup_checked)
+        grid.Add(self.cb_backup, pos=(row, 0), span=(1, 3))
+        row += 1
+
+        lb_dest = wx.StaticText(self, label=_("&Destination:"))
+        grid.Add(lb_dest, pos=(row, 0))
+        style = wx.FLP_SAVE | wx.FLP_USE_TEXTCTRL
+        self.fp_dest = wx.FilePickerCtrl(self, style=style)
+        grid.Add(self.fp_dest, pos=(row, 1), span=(1, 2), flag=wx.EXPAND)
+        row += 1
+
+        lb_interval = wx.StaticText(self, label=_("&Every"))
+        grid.Add(lb_interval, pos=(row, 0))
+        self.sb_interval = wx.SpinCtrl(self, min=1, initial=1)
+        self.sb_interval.Bind(wx.EVT_SPINCTRL, self.on_interval_changed)
+        grid.Add(self.sb_interval, pos=(row, 1))
+        self.ch_interval_unit = wx.Choice(self)
+        grid.Add(self.ch_interval_unit, pos=(row, 2))
+        row += 1
+
+        grid.AddGrowableCol(1)
+
+        sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL)
+        if not sizer is None:
+            grid.Add((0, 0), pos=(row, 0), span=(1, 3))
+            row += 1
+            grid.Add(sizer, pos=(row, 0), span=(1, 3))
+
+        box = wx.BoxSizer(wx.VERTICAL)
+        box.Add(
+            grid, flag=wx.EXPAND | wx.ALL | wx.ALIGN_CENTER_VERTICAL,
+            border=5, proportion=1)
+
+        self.SetSizerAndFit(box)
+        self._update_interval_choices()
+        self._update_backup_enabled()
+
+    @property
+    def backupdb_enabled(self):
+        return self.cb_backup.GetValue()
+
+    @backupdb_enabled.setter
+    def backupdb_enabled(self, enabled):
+        self.cb_backup.SetValue(enabled)
+        self._update_backup_enabled()
+
+    @property
+    def backupdb_destination(self):
+        return self.fp_dest.GetPath()
+
+    @backupdb_destination.setter
+    def backupdb_destination(self, path):
+        self.fp_dest.SetPath(path)
+
+    @property
+    def interval(self):
+        return self.sb_interval.GetValue()
+
+    @interval.setter
+    def interval(self, value):
+        self.sb_interval.SetValue(value)
+        self._update_interval_choices()
+
+    @property
+    def interval_unit(self):
+        return self._INTERVAL_UNITS[self.ch_interval_unit.GetSelection()]
+
+    @interval_unit.setter
+    def interval_unit(self, unit):
+        try:
+            idx = self._INTERVAL_UNITS.index(unit)
+        except IndexError:
+            raise ValueError("Unknown unit {0}".format(unit))
+
+        self.ch_interval_unit.SetSelection(idx)
+
+    def _update_interval_choices(self):
+        count = self.sb_interval.GetValue()
+        choices = [
+            ungettext("second", "seconds", count),
+            ungettext("minute", "minutes", count),
+            ungettext("hour", "hours", count),
+        ]
+
+        current = self.ch_interval_unit.GetSelection()
+        if current == wx.NOT_FOUND:
+            current = 2  # default to hour
+
+        self.ch_interval_unit.Clear()
+        self.ch_interval_unit.AppendItems(choices)
+        self.ch_interval_unit.SetSelection(current)
+
+    def _update_backup_enabled(self):
+        checked = self.cb_backup.IsChecked()
+        self.fp_dest.Enable(checked)
+        self.sb_interval.Enable(checked)
+        self.ch_interval_unit.Enable(checked)
+
+    def on_backup_checked(self, evt):
+        self._update_backup_enabled()
+
+    def on_interval_changed(self, evt):
+        self._update_interval_choices()
+
+    # TODO: validate settings on close (e.g. non-empty path if backup is
+    #       enabled)
+
+
+class MainWindow(wx.Frame):
+    def __init__(self, parent=None):
+        super(MainWindow, self).__init__(parent, title="OpenSlides")
+        icons = wx.IconBundleFromFile(
+            get_data_path("openslides.ico"),
+            wx.BITMAP_TYPE_ICO)
+        self.SetIcons(icons)
+
+        self.server_running = False
+        if openslides.main.is_portable():
+            self.gui_settings_path = openslides.main.get_portable_path(
+                "openslides", "gui_settings.json")
+        else:
+            self.gui_settings_path = openslides.main.get_user_config_path(
+                "openslides", "gui_settings.json")
+
+        self.backupdb_enabled = False
+        self.backupdb_destination = ""
+        self.backupdb_interval = 15
+        self.backupdb_interval_unit = "minute"
+        self.last_backup = None
+
+        self.backup_timer = wx.Timer(self)
+        self.Bind(wx.EVT_TIMER, self.on_backup_timer, self.backup_timer)
+
+        spacing = 5
+
+        panel = wx.Panel(self)
+        grid = wx.GridBagSizer(spacing, spacing)
+
+        # logo & about button
+        logo_box = wx.BoxSizer(wx.HORIZONTAL)
+        grid.Add(logo_box, pos=(0, 0), flag=wx.EXPAND)
+        row = 0
+
+        fp = get_data_path("openslides-logo_wide.png")
+        with open(fp, "rb") as f:
+            logo_wide_bmp = wx.ImageFromStream(f).ConvertToBitmap()
+
+        logo_wide = wx.StaticBitmap(panel, wx.ID_ANY, logo_wide_bmp)
+        logo_box.AddSpacer(2 * spacing)
+        logo_box.Add(logo_wide)
+        logo_box.AddStretchSpacer()
+
+        version_str = _("Version {0}").format(openslides.get_version())
+        lb_version = wx.StaticText(panel, label=version_str)
+        font = lb_version.GetFont()
+        font.SetPointSize(8)
+        lb_version.SetFont(font)
+        logo_box.Add(lb_version, flag=wx.ALIGN_CENTER_VERTICAL)
+
+        self.bt_about = wx.Button(panel, label=_("&About..."))
+        self.bt_about.Bind(wx.EVT_BUTTON, self.on_about_clicked)
+        grid.Add(self.bt_about, pos=(row, 1), flag=wx.ALIGN_CENTER_VERTICAL)
+        row += 1
+
+        grid.Add((0, spacing), pos=(row, 0), span=(1, 2))
+        row += 1
+
+        # server settings
+        server_settings = wx.StaticBox(panel, wx.ID_ANY, _("Server Settings"))
+        server_box = wx.StaticBoxSizer(server_settings, wx.VERTICAL)
+        grid.Add(server_box, pos=(row, 0), flag=wx.EXPAND)
+
+        self._host = None
+        self._port = None
+        hbox = wx.BoxSizer(wx.HORIZONTAL)
+        server_box.Add(hbox, flag=wx.EXPAND)
+        self.lb_host = wx.StaticText(panel)
+        hbox.Add(self.lb_host, flag=wx.ALIGN_CENTER_VERTICAL)
+        hbox.AddStretchSpacer()
+        self.lb_port = wx.StaticText(panel)
+        hbox.Add(self.lb_port, flag=wx.ALIGN_CENTER_VERTICAL)
+        hbox.AddStretchSpacer()
+        self.bt_settings = wx.Button(panel, label=_("S&ettings..."))
+        self.bt_settings.Bind(wx.EVT_BUTTON, self.on_settings_clicked)
+        hbox.Add(self.bt_settings)
+
+        server_box.AddSpacer(spacing)
+        self.cb_start_browser = wx.CheckBox(
+            panel, label=_("Automatically open &browser"))
+        self.cb_start_browser.SetValue(True)
+        server_box.Add(self.cb_start_browser)
+        server_box.AddStretchSpacer()
+
+        server_box.AddSpacer(spacing)
+        self.bt_server = wx.Button(panel, label=_("&Start server"))
+        self.bt_server.Bind(wx.EVT_BUTTON, self.on_start_server_clicked)
+        server_box.Add(self.bt_server, flag=wx.EXPAND)
+
+        host, port = openslides.main.detect_listen_opts()
+        self.host = host
+        self.port = unicode(port)
+
+        # "action" buttons
+        action_vbox = wx.BoxSizer(wx.VERTICAL)
+        action_vbox.AddSpacer(3 * spacing)
+        grid.Add(action_vbox, pos=(row, 1))
+        self.bt_backup = wx.Button(panel, label=_("&Backup database..."))
+        self.bt_backup.Bind(wx.EVT_BUTTON, self.on_backup_clicked)
+        action_vbox.Add(self.bt_backup)
+        action_vbox.AddSpacer(spacing)
+        self.bt_sync_db = wx.Button(panel, label=_("S&ync database"))
+        self.bt_sync_db.Bind(wx.EVT_BUTTON, self.on_syncdb_clicked)
+        action_vbox.Add(self.bt_sync_db)
+        action_vbox.AddSpacer(spacing)
+        self.bt_reset_admin = wx.Button(panel, label=_("&Reset admin"))
+        self.bt_reset_admin.Bind(wx.EVT_BUTTON, self.on_reset_admin_clicked)
+        action_vbox.Add(self.bt_reset_admin)
+        row += 1
+
+        # command output
+        self.cmd_run_ctrl = RunCommandControl(panel)
+        self.cmd_run_ctrl.Bind(EVT_RUN_CMD, self.on_run_cmd_changed)
+        grid.Add(
+            self.cmd_run_ctrl,
+            pos=(row, 0), span=(1, 2),
+            flag=wx.EXPAND)
+
+        grid.AddGrowableCol(0)
+        grid.AddGrowableRow(3)
+
+        box = wx.BoxSizer(wx.VERTICAL)
+        box.Add(
+            grid, flag=wx.EXPAND | wx.ALL | wx.ALIGN_CENTER_VERTICAL,
+            border=spacing, proportion=1)
+        panel.SetSizerAndFit(box)
+        self.Fit()
+        self.SetMinSize(self.ClientToWindowSize(box.GetMinSize()))
+        self.SetInitialSize(wx.Size(500, 400))
+
+        self.Bind(wx.EVT_CLOSE, self.on_close)
+
+        self.load_gui_settings()
+        self.apply_backup_settings()
+        self.Show()
+
+    @property
+    def backup_interval_seconds(self):
+        if self.backupdb_interval_unit == "second":
+            factor = 1
+        elif self.backupdb_interval_unit == "minute":
+            factor = 60
+        elif self.backupdb_interval_unit == "hour":
+            factor = 3600
+
+        return self.backupdb_interval * factor
+
+    @property
+    def host(self):
+        return self._host
+
+    @host.setter
+    def host(self, host):
+        self._host = host
+        self.lb_host.SetLabel(_("Host: {0}").format(host))
+
+    @property
+    def port(self):
+        return self._port
+
+    @port.setter
+    def port(self, port):
+        self._port = port
+        self.lb_port.SetLabel(_("Port: {0}").format(port))
+
+    def load_gui_settings(self):
+        try:
+            f = open(self.gui_settings_path, "rb")
+        except IOError as e:
+            if e.errno == errno.ENOENT:
+                return
+            raise
+
+        with f:
+            settings = json.load(f)
+
+        def setattr_unless_none(attr, value):
+            if not value is None:
+                setattr(self, attr, value)
+
+        backup_settings = settings.get("database_backup", {})
+        setattr_unless_none("backupdb_enabled", backup_settings.get("enabled"))
+        setattr_unless_none(
+            "backupdb_destination", backup_settings.get("destination"))
+        setattr_unless_none(
+            "backupdb_interval", backup_settings.get("interval"))
+        setattr_unless_none(
+            "backupdb_interval_unit", backup_settings.get("interval_unit"))
+        last_backup = backup_settings.get("last_backup")
+        if not last_backup is None:
+            self.last_backup = datetime.datetime.strptime(
+                last_backup, "%Y-%m-%d %H:%M:%S")
+
+    def save_gui_settings(self):
+        if self.last_backup is None:
+            last_backup = None
+        else:
+            last_backup = self.last_backup.strftime("%Y-%m-%d %H:%M:%S")
+        settings = {
+            "database_backup": {
+                "enabled": self.backupdb_enabled,
+                "destination": self.backupdb_destination,
+                "internal": self.backupdb_interval,
+                "interval_unit": self.backupdb_interval_unit,
+                "last_backup": last_backup
+            },
+        }
+
+        dp = os.path.dirname(self.gui_settings_path)
+        if not os.path.exists(dp):
+            os.makedirs(dp)
+        with open(self.gui_settings_path, "wb") as f:
+            json.dump(settings, f, ensure_ascii=False, indent=4)
+
+    def apply_backup_settings(self):
+        if self.backupdb_enabled and self.server_running:
+            now = datetime.datetime.utcnow()
+            delta = datetime.timedelta(seconds=self.backup_interval_seconds)
+            ref = self.last_backup
+            if ref is None:
+                ref = now
+            ref += delta
+
+            d = ref - now
+            seconds = d.days * 86400 + d.seconds
+            if seconds < 1:
+                seconds = 30  # avoid backup immediatly after start
+            self.backup_timer.Start(seconds * 1000, True)
+        else:
+            self.backup_timer.Stop()
+
+    def do_backup(self):
+        cmd = [
+            sys.executable, "-u", "-m", "openslides.main",
+            "--no-run",
+            "--backupdb={0}".format(self.backupdb_destination),
+        ]
+        p = subprocess.Popen(
+            cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT)
+        p.stdin.close()
+        output = p.stdout.read().strip()
+        exitcode = p.wait()
+        if output:
+            self.cmd_run_ctrl.append_message(output)
+
+        time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        if exitcode == 0:
+            self.cmd_run_ctrl.append_message(
+                _("{0}: Database backup successful.").format(time))
+        else:
+            self.cmd_run_ctrl.append_message(
+                _("{0}: Database backup failed!").format(time))
+
+        self.last_backup = datetime.datetime.utcnow()
+
+    def on_syncdb_clicked(self, evt):
+        self.cmd_run_ctrl.append_message(_("Syncing database..."))
+        self.cmd_run_ctrl.run_command("--no-run", "--syncdb")
+
+    def on_reset_admin_clicked(self, evt):
+        self.cmd_run_ctrl.append_message(_("Resetting admin user..."))
+        self.cmd_run_ctrl.run_command("--no-run", "--reset-admin")
+
+    def on_about_clicked(self, evt):
+        info = wx.AboutDialogInfo()
+        info.SetName("OpenSlides")
+        info.SetVersion(openslides.get_version())
+        info.SetDescription(_(
+            "OpenSlides is a free web based presentation and "
+            "assembly system.\n"
+            "OpenSlides is free software; licensed under the GNU GPL v2+."
+        ).replace(u" ", u"\u00a0"))
+        info.SetCopyright(_(u"\u00a9 2011-2013 by OpenSlides team"))
+        info.SetWebSite(("http://www.openslides.org/", "www.openslides.org"))
+
+        # XXX: at least on wxgtk this has no effect
+        info.SetIcon(self.GetIcon())
+        wx.AboutBox(info)
+
+    def on_start_server_clicked(self, evt):
+        if self.server_running:
+            self.cmd_run_ctrl.cancel_command()
+            return
+
+        args = ["--address", self._host, "--port", self._port]
+        if not self.cb_start_browser.GetValue():
+            args.append("--no-browser")
+
+        self.server_running = True
+        self.cmd_run_ctrl.run_command(*args)
+
+        # initiate backup_timer if backup is enabled
+        self.apply_backup_settings()
+
+        self.bt_server.SetLabel(_("&Stop server"))
+
+    def on_settings_clicked(self, evt):
+        dlg = SettingsDialog(self)
+        dlg.host = self._host
+        dlg.port = self._port
+
+        if dlg.ShowModal() == wx.ID_OK:
+            self.host = dlg.host
+            self.port = dlg.port
+
+    def on_backup_clicked(self, evt):
+        dlg = BackupSettingsDialog(self)
+        dlg.backupdb_enabled = self.backupdb_enabled
+        dlg.backupdb_destination = self.backupdb_destination
+        dlg.interval = self.backupdb_interval
+        dlg.interval_unit = self.backupdb_interval_unit
+        if dlg.ShowModal() == wx.ID_OK:
+            self.backupdb_enabled = dlg.backupdb_enabled
+            self.backupdb_destination = dlg.backupdb_destination
+            self.backupdb_interval = dlg.interval
+            self.backupdb_interval_unit = dlg.interval_unit
+            self.apply_backup_settings()
+
+    def on_run_cmd_changed(self, evt):
+        show_completion_msg = not evt.running
+        if self.server_running and not evt.running:
+            self.bt_server.SetLabel(_("&Start server"))
+            self.server_running = False
+
+            self.backup_timer.Stop()
+            if self.backupdb_enabled:
+                self.do_backup()
+
+            # no operation completed msg when stopping server
+            show_completion_msg = False
+
+        self.bt_settings.Enable(not evt.running)
+        self.bt_backup.Enable(not evt.running)
+        self.bt_sync_db.Enable(not evt.running)
+        self.bt_reset_admin.Enable(not evt.running)
+        self.bt_server.Enable(self.server_running or not evt.running)
+
+        if show_completion_msg:
+            if evt.exitcode == 0:
+                text = _("Operation successfully completed.")
+            else:
+                text = _("Operation failed (exit code = {0})").format(
+                    evt.exitcode)
+            self.cmd_run_ctrl.append_message(text)
+
+    def on_backup_timer(self, evt):
+        if not self.backupdb_enabled:
+            return
+
+        self.do_backup()
+        self.backup_timer.Start(1000 * self.backup_interval_seconds, True)
+
+    def on_close(self, ev):
+        self.cmd_run_ctrl.cancel_command()
+        self.save_gui_settings()
+        self.Destroy()
+
+
+def main():
+    locale.setlocale(locale.LC_ALL, "")
+    lang = locale.getdefaultlocale()[0]
+    if lang:
+        global _translations
+        localedir = os.path.dirname(openslides.__file__)
+        localedir = os.path.join(localedir, "locale")
+        _translations = gettext.translation(
+            "django", localedir, [lang], fallback=True)
+
+    app = wx.App(False)
+    window = MainWindow()
+    app.MainLoop()
+
+if __name__ == "__main__":
+    main()

extras/win32-portable/openslides.c

@@ -12,18 +12,9 @@
 
 #include <Python.h>
 
-static const char *site_code =
-    "import sys;"
-    "import os;"
-    "import site;"
-    "path = os.path.dirname(sys.executable);"
-    "site_dir = os.path.join(path, \"site-packages\");"
-    "site.addsitedir(site_dir);"
-    "sys.path.append(path)";
-
 static const char *run_openslides_code =
-    "import openslides.main;"
+    "import openslides_gui.gui;"
-    "openslides.main.win32_portable_main()";
+    "openslides_gui.gui.main()";
 
 /* determine the path to the executable
  * NOTE: Py_GetFullProgramPath() can't be used because
@@ -61,7 +52,7 @@ _get_module_name()
 	else if (res == size)
 	{
 	    /* NOTE: Don't check GetLastError() == ERROR_INSUFFICIENT_BUFFER
-	     *       here, it isn't set consisntently across all platforms
+	     *       here, it isn't set consistently across all platforms
 	     */
 
 	    size += 4096;
@@ -83,12 +74,6 @@ _get_module_name()
 static int
 _run()
 {
-    if (PyRun_SimpleString(site_code) != 0)
-    {
-	fprintf(stderr, "ERROR: failed to initialize site path\n");
-	return 1;
-    }
-
     if (PyRun_SimpleString(run_openslides_code) != 0)
     {
 	fprintf(stderr, "ERROR: failed to execute openslides\n");
@@ -99,13 +84,14 @@ _run()
 }
 
 
-int
+int WINAPI
-main(int argc, char *argv[])
+WinMain(HINSTANCE inst, HINSTANCE prev_inst, LPSTR cmdline, int show)
 {
     int returncode;
+    int run_py_main = __argc > 1;
     char *py_home, *sep = NULL;
 
-    Py_SetProgramName(argv[0]);
+    Py_SetProgramName(__argv[0]);
 
     py_home = _get_module_name();
 
@@ -116,14 +102,24 @@ main(int argc, char *argv[])
     {
 	*sep = '\0';
 	Py_SetPythonHome(py_home);
+	Py_IgnoreEnvironmentFlag = 1;
     }
 
+    if (run_py_main)
+    {
+	/* we where given extra arguments, behave like python.exe */
+	returncode =  Py_Main(__argc, __argv);
+    }
+    else
+    {
+	/* no arguments given => start openslides gui */
 	Py_Initialize();
-    PySys_SetArgvEx(argc, argv, 0);
+	PySys_SetArgvEx(__argc, __argv, 0);
 
 	returncode = _run();
-
 	Py_Finalize();
+    }
+
     free(py_home);
 
     return returncode;

extras/win32-portable/prepare_portable.py

@@ -20,8 +20,12 @@ import distutils.sysconfig
 
 import pkg_resources
 
+import wx
+
 sys.path.insert(0, os.getcwd())
+sys.path.insert(1, os.path.join(os.getcwd(), "extras"))
 import openslides
+import openslides_gui
 
 COMMON_EXCLUDE = [
     r".pyc$",
@@ -99,7 +103,43 @@ SITE_PACKAGES = {
     },
     "html5lib": {
         "copy": ["html5lib"],
-    }
+    },
+    "wx": {
+        # NOTE: wxpython is a special case, see copy_wx
+        "copy": [],
+        "exclude": [
+            r"^wx/tools/",
+            r"^wx/py/",
+            r"^wx/build/",
+            r"^wx/lib/",
+            r"wx/_activex.pyd",
+            r"wx/_animate.pyd",
+            r"wx/_aui.pyd",
+            r"wx/_calendar.pyd",
+            r"wx/_combo.pyd",
+            r"wx/_gizmos.pyd",
+            r"wx/_glcanvas.pyd",
+            r"wx/_grid.pyd",
+            r"wx/_html.pyd",
+            r"wx/_media.pyd",
+            r"wx/_richtext.pyd",
+            r"wx/_stc.pyd",
+            r"wx/_webkit.pyd",
+            r"wx/_wizard.pyd",
+            r"wx/_xrc.pyd",
+            r"wx/gdiplus.dll",
+            r"wx/wxbase28uh_xml_vc.dll",
+            r"wx/wxmsw28uh_aui_vc.dll",
+            r"wx/wxmsw28uh_gizmos_vc.dll",
+            r"wx/wxmsw28uh_gizmos_xrc_vc.dll",
+            r"wx/wxmsw28uh_gl_vc.dll",
+            r"wx/wxmsw28uh_media_vc.dll",
+            r"wx/wxmsw28uh_qa_vc.dll",
+            r"wx/wxmsw28uh_richtext_vc.dll",
+            r"wx/wxmsw28uh_stc_vc.dll",
+            r"wx/wxmsw28uh_xrc_vc.dll",
+        ],
+    },
 }
 
 PY_DLLS = [
@@ -128,10 +168,51 @@ bundled packages, please refer to the corresponding file in the
 licenses/ directory.
 """
 
+OPENSLIDES_RC_TMPL = """
+#include <winresrc.h>
+
+#define ID_ICO_OPENSLIDES 1
+
+ID_ICO_OPENSLIDES ICON "openslides.ico"
+
+VS_VERSION_INFO VERSIONINFO
+  FILEVERSION {version[0]},{version[1]},{version[2]},{version[4]}
+  PRODUCTVERSION {version[0]},{version[1]},{version[2]},{version[4]}
+  FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+  FILEFLAGS {file_flags}
+  FILEOS VOS__WINDOWS32
+  FILETYPE VFT_APP
+  FILESUBTYPE VFT2_UNKNOWN
+
+  BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+      BLOCK "040904E4"
+      BEGIN
+        VALUE "CompanyName", "OpenSlides team\\0"
+        VALUE "FileDescription", "OpenSlides\\0"
+        VALUE "FileVersion", "{version_str}\\0"
+        VALUE "InternalName", "OpenSlides\\0"
+        VALUE "LegalCopyright", "Copyright \\251 2011-2013\\0"
+        VALUE "OriginalFilename", "openslides.exe\\0"
+        VALUE "ProductName", "OpenSlides\\0"
+        VALUE "ProductVersion", "{version_str}\\0"
+      END
+    END
+
+    BLOCK "VarFileInfo"
+    BEGIN
+      VALUE "Translation", 0x409, 0x4E4
+    END
+  END
+"""
+
+
 def compile_re_list(patterns):
     expr = "|".join("(?:{0})".format(x) for x in patterns)
     return re.compile(expr)
 
+
 def relpath(base, path, addslash=False):
     b = os.path.normpath(os.path.abspath(base))
     p = os.path.normpath(os.path.abspath(path))
@@ -150,6 +231,7 @@ def relpath(base, path, addslash = False):
 
     return p
 
+
 def filter_excluded_dirs(exclude_pattern, basedir, dirpath, dnames):
     i, l = 0, len(dnames)
     while i < l:
@@ -160,6 +242,7 @@ def filter_excluded_dirs(exclude_pattern, basedir, dirpath, dnames):
         else:
             i += 1
 
+
 def copy_dir_exclude(exclude, basedir, srcdir, destdir):
     for dp, dnames, fnames in os.walk(srcdir):
         filter_excluded_dirs(exclude, basedir, dp, dnames)
@@ -177,22 +260,29 @@ def copy_dir_exclude(exclude, basedir, srcdir, destdir):
 
             shutil.copyfile(fp, os.path.join(destdir, rp))
 
+
 def collect_lib(libdir, odir):
     exclude = compile_re_list(COMMON_EXCLUDE + LIBEXCLUDE)
     copy_dir_exclude(exclude, libdir, libdir, os.path.join(odir, "Lib"))
 
+
 def get_pkg_exclude(name, extra=()):
     exclude = COMMON_EXCLUDE[:]
     exclude.extend(SITE_PACKAGES.get(name, {}).get("exclude", []))
     exclude.extend(extra)
     return compile_re_list(exclude)
 
+
 def copy_package(name, info, odir):
+    copy_things = info.get("copy", [])
+    if not copy_things:
+        return
+
     dist = pkg_resources.get_distribution(name)
     exclude = get_pkg_exclude(name)
 
     site_dir = dist.location
-    for thing in info.get("copy", []):
+    for thing in copy_things:
         fp = os.path.join(site_dir, thing)
         if not os.path.isdir(fp):
             rp = relpath(site_dir, fp)
@@ -201,6 +291,14 @@ def copy_package(name, info, odir):
         else:
             copy_dir_exclude(exclude, site_dir, fp, odir)
 
+
+def copy_wx(odir):
+    base_dir = os.path.dirname(os.path.dirname(wx.__file__))
+    wx_dir = os.path.join(base_dir, "wx")
+    exclude = get_pkg_exclude("wx")
+    copy_dir_exclude(exclude, base_dir, wx_dir, odir)
+
+
 def collect_site_packages(sitedir, odir):
     if not os.path.exists(odir):
         os.makedirs(odir)
@@ -208,6 +306,10 @@ def collect_site_packages(sitedir, odir):
     for name, info in SITE_PACKAGES.iteritems():
         copy_package(name, info, odir)
 
+    assert "wx" in SITE_PACKAGES
+    copy_wx(odir)
+
+
 def compile_openslides_launcher():
     try:
         cc = distutils.ccompiler.new_compiler()
@@ -219,10 +321,34 @@ def compile_openslides_launcher():
     cc.add_include_dir(distutils.sysconfig.get_python_inc())
     cc.add_library_dir(os.path.join(sys.exec_prefix, "Libs"))
 
-    objs = cc.compile(["extras/win32-portable/openslides.c"])
+    gui_data_dir = os.path.dirname(openslides_gui.__file__)
-    cc.link_executable(objs, "extras/win32-portable/openslides")
+    gui_data_dir = os.path.join(gui_data_dir, "data")
+    shutil.copyfile(
+        os.path.join(gui_data_dir, "openslides.ico"),
+        "extras/win32-portable/openslides.ico")
+    rcfile = "extras/win32-portable/openslides.rc"
+    with open(rcfile, "w") as f:
+        if openslides.VERSION[3] == "final":
+            file_flags = "0"
+        else:
+            file_flags = "VS_FF_PRERELEASE"
+
+        f.write(OPENSLIDES_RC_TMPL.format(
+            version=openslides.VERSION,
+            version_str=openslides.get_version(),
+            file_flags=file_flags))
+
+    objs = cc.compile([
+        "extras/win32-portable/openslides.c",
+        rcfile,
+    ])
+    cc.link_executable(
+        objs, "extras/win32-portable/openslides",
+        extra_preargs=["/subsystem:windows"],
+    )
     return True
 
+
 def copy_dlls(odir):
     dll_src = os.path.join(sys.exec_prefix, "DLLs")
     dll_dest = os.path.join(odir, "DLLs")
@@ -239,6 +365,7 @@ def copy_dlls(odir):
     dest = os.path.join(odir, pydllname)
     shutil.copyfile(src, dest)
 
+
 def copy_msvcr(odir):
     candidates = glob.glob("{0}/x86_*{1}_{2}*".format(
         os.path.join(os.environ["WINDIR"], "winsxs"),
@@ -253,11 +380,11 @@ def copy_msvcr(odir):
             msvcr_dll_dir = dp
             break
     else:
-        sys.stderr.write("Warning could not determine msvcr runtime location\n")
+        sys.stderr.write(
-        sys.stderr.write("Private asssembly for VC runtime must be added manually\n")
+            "Warning could not determine msvcr runtime location\n"
+            "Private asssembly for VC runtime must be added manually\n")
         return
 
-
     msvcr_dest_dir = os.path.join(odir, MSVCR_NAME)
     if not os.path.exists(msvcr_dest_dir):
         os.makedirs(msvcr_dest_dir)
@@ -267,7 +394,8 @@ def copy_msvcr(odir):
         dest = os.path.join(msvcr_dest_dir, fn)
         shutil.copyfile(src, dest)
 
-    src = os.path.join(os.environ["WINDIR"], "winsxs", "Manifests",
+    src = os.path.join(
+        os.environ["WINDIR"], "winsxs", "Manifests",
         "{0}.manifest".format(msvcr_local_name))
     dest = os.path.join(msvcr_dest_dir, "{0}.manifest".format(MSVCR_NAME))
     shutil.copyfile(src, dest)
@@ -279,9 +407,13 @@ def write_readme(orig_readme, outfile):
 
     text.extend(["\n", "\n", "Included Packages\n", 17 * "=" + "\n"])
     for pkg in sorted(SITE_PACKAGES):
+        try:
             dist = pkg_resources.get_distribution(pkg)
             text.append("{0}-{1}\n".format(dist.project_name, dist.version))
-
+        except pkg_resources.DistributionNotFound:
+            # FIXME: wxpython comes from an installer and has no distribution
+            #        see what we can do about that
+            text.append("{0}-???\n".format(pkg))
 
     with open(outfile, "w") as f:
         f.writelines(text)
@@ -301,7 +433,7 @@ def main():
             raise
 
     os.makedirs(odir)
-    out_site_packages = os.path.join(odir, "site-packages")
+    out_site_packages = os.path.join(odir, "Lib", "site-packages")
 
     collect_lib(libdir, odir)
     collect_site_packages(sitedir, out_site_packages)
@@ -312,20 +444,26 @@ def main():
     if not compile_openslides_launcher():
         sys.stdout.write("Using prebuild openslides.exe\n")
 
-    shutil.copyfile("extras/win32-portable/openslides.exe",
+    shutil.copyfile(
+        "extras/win32-portable/openslides.exe",
         os.path.join(odir, "openslides.exe"))
 
+    shutil.copytree(
+        "extras/openslides_gui",
+        os.path.join(out_site_packages, "openslides_gui"))
+
     copy_dlls(odir)
     copy_msvcr(odir)
 
-    shutil.copytree("extras/win32-portable/licenses",
+    shutil.copytree(
+        "extras/win32-portable/licenses",
         os.path.join(odir, "licenses"))
 
-    zip_fp = os.path.join("dist", "openslides-{0}-portable.zip".format(
+    zip_fp = os.path.join(
+        "dist", "openslides-{0}-portable.zip".format(
         openslides.get_version()))
 
-    write_readme("README.txt",
+    write_readme("README.txt", os.path.join(odir, "README.txt"))
-        os.path.join(odir, "README.txt"))
 
     with zipfile.ZipFile(zip_fp, "w", zipfile.ZIP_DEFLATED) as zf:
         for dp, dnames, fnames in os.walk(odir):

openslides/main.py

@@ -89,6 +89,9 @@ def process_options(argv=None, manage_runserver=False):
     parser.add_option(
         "--syncdb", action="store_true",
         help="Update/create database before starting the server.")
+    parser.add_option(
+        "--backupdb", action="store", metavar="BACKUP_PATH",
+        help="Make a backup copy of the database to BACKUP_PATH")
     parser.add_option(
         "--reset-admin", action="store_true",
         help="Make sure the user 'admin' exists and uses 'admin' as password.")
@@ -101,6 +104,9 @@ def process_options(argv=None, manage_runserver=False):
         "--no-browser",
         action="store_false", dest="start_browser", default=True,
         help="Do not automatically start web browser.")
+    parser.add_option(
+        "--no-run", action="store_true",
+        help="Do not start the development server.")
     parser.add_option(
         "--version", action="store_true",
         help="Show version and exit.")
@@ -187,6 +193,12 @@ def _main(opts, database_path=None):
     elif opts.reset_admin:
         create_or_reset_admin_user()
 
+    if opts.backupdb:
+        backup_database(opts.backupdb)
+
+    if opts.no_run:
+        return
+
     # Start OpenSlides
     reload = True
     if opts.no_reload:
@@ -238,7 +250,7 @@ def setup_django_environment(settings_path):
     os.environ[ENVIRONMENT_VARIABLE] = '%s' % settings_module_name
 
 
-def detect_listen_opts(address, port):
+def detect_listen_opts(address=None, port=None):
     if address is None:
         try:
             address = socket.gethostbyname(socket.gethostname())
@@ -314,6 +326,11 @@ def create_or_reset_admin_user():
     admin.save()
 
 
+def backup_database(dest_path):
+    argv = ["", "backupdb", "--destination={0}".format(dest_path)]
+    execute_from_command_line(argv)
+
+
 def start_browser(url):
     browser = webbrowser.get()
 
@@ -353,13 +370,17 @@ def get_user_data_path(*args):
     return os.path.join(fs2unicode(data_home), *args)
 
 
+def is_portable():
+    exename = os.path.basename(sys.executable).lower()
+    return exename == "openslides.exe"
+
+
 def get_portable_path(*args):
     # NOTE: sys.executable will be the path to openslides.exe
     #       since it is essentially a small wrapper that embeds the
     #       python interpreter
 
-    exename = os.path.basename(sys.executable).lower()
+    if not is_portable():
-    if exename != "openslides.exe":
         raise Exception(
             "Cannot determine portable path when "
             "not running as portable")
@@ -396,4 +417,7 @@ def win32_get_app_data_path(*args):
 
 
 if __name__ == "__main__":
+    if is_portable():
+        win32_portable_main()
+    else:
         main()

openslides/utils/management/commands/backupdb.py

@@ -0,0 +1,53 @@
+import shutil
+from optparse import make_option
+
+import django.conf
+import django.db
+import django.db.transaction
+from django.core.management.base import NoArgsCommand, CommandError
+
+
+class Command(NoArgsCommand):
+    help = "Backup the openslides database"
+    option_list = NoArgsCommand.option_list + (
+        make_option(
+            "--destination", action="store",
+            help="path to the backup database (will be overwritten)"),
+    )
+
+    def handle_noargs(self, *args, **kw):
+        db_settings = django.conf.settings.DATABASES
+        default = db_settings.get(django.db.DEFAULT_DB_ALIAS)
+        if not default:
+            raise CommandError("Default databases is not configured")
+
+        if default.get("ENGINE") != "django.db.backends.sqlite3":
+            raise CommandError(
+                "Only sqlite3 databases can currently be backuped")
+
+        src_path = default.get("NAME")
+        if not src_path:
+            raise CommandError("No path specified for default database")
+
+        dest_path = kw.get("destination")
+        if not dest_path:
+            raise CommandError("--destination must be specified")
+
+        self.do_backup(src_path, dest_path)
+
+    @django.db.transaction.commit_manually
+    def do_backup(self, src_path, dest_path):
+        # perform a simple file-copy backup of the database
+        # first we need a shared lock on the database, issuing a select()
+        # will do this for us
+        cursor = django.db.connection.cursor()
+        cursor.execute("SELECT count(*) from sqlite_master")
+
+        # now copy the file
+        try:
+            shutil.copy(src_path, dest_path)
+        except IOError as e:
+            raise CommandError("{0}\nDatabase backup failed!".format(e))
+
+        # and release the lock again
+        django.db.transaction.commit()