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github / src / updater.py @ 05b173a7

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# Copyright (c) 2016, LE GOFF Vincent
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright notice, this
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#   list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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#   this list of conditions and the following disclaimer in the documentation
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#   and/or other materials provided with the distribution.
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# * Neither the name of ytranslate nor the names of its
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#   contributors may be used to endorse or promote products derived from
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#   this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Auto-updater of the CocoMUD client."""
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import os
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from configobj import ConfigObj
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from ytranslate import init, select, t
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import wx
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from wx.lib.pubsub import pub
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from autoupdate import AutoUpdate
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from version import BUILD
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# Determines the user's language
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AVAILABLE_LANGUAGES = ("en", "fr")
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DEFAULT_LANGUAGE = "en"
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path = os.path.join("settings", "options.conf")
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config = ConfigObj(path)
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try:
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    lang = config["general"]["language"]
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    assert lang in AVAILABLE_LANGUAGES
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except (KeyError, AssertionError):
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    lang = DEFAULT_LANGUAGE
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# Translation
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init(root_dir="translations")
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select(lang)
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# Classes
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class DummyUpdater(wx.Frame):
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    """Dummy updater, to which updaters should inherit."""
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    def __init__(self, parent):
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        wx.Frame.__init__(self, parent)
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        self.autoupdater = None
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        self.default_text = t("ui.message.update.loading")
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        self.progress = 0
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        # Event binding
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        pub.subscribe(self.OnGauge, "gauge")
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        pub.subscribe(self.OnText, "text")
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        pub.subscribe(self.OnForceDestroy, "forceDestroy")
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        pub.subscribe(self.OnResponseUpdate, "responseUpdate")
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    def create_updater(self, just_checking=False):
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        """Create a new autoupdater instance."""
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        self.autoupdate = AutoUpdate(BUILD, self, just_checking=just_checking)
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        self.autoupdate.start()
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    def OnGauge(self, value=0):
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        """The progress indicator changes."""
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        pass
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    def OnText(self, text=""):
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        """The text of the indicator changes."""
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        pass
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    def OnForceDestroy(self):
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        """Ask for the window's destruction."""
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        pass
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    def OnResponseUpdate(self, build=None):
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        """The check for updates is complete."""
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        pass
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    def UpdateGauge(self, value):
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        """Change the level indicator."""
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        wx.CallAfter(pub.sendMessage, "gauge", value=value)
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    def UpdateText(self, text):
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        """Change the text."""
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        wx.CallAfter(pub.sendMessage, "text", text=text)
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    def AskDestroy(self):
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        wx.CallAfter(pub.sendMessage, "forceDestroy")
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    def ResponseUpdate(self, build):
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        """The check for updates has responded.
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        Note: the build parameter may be None (no update is available)
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        or a number (updates are available).
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        """
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        wx.CallAfter(pub.sendMessage, "responseUpdate", build=build)
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class Updater(DummyUpdater):
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    """Graphical updater with a gauge."""
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    def __init__(self, parent, just_checking=False):
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        DummyUpdater.__init__(self, parent)
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        self.create_updater(just_checking)
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        self.InitUI()
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        self.SetTitle(t("ui.message.update.updating"))
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        self.Show()
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        self.Center()
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    def InitUI(self):
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        panel = wx.Panel(self)
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        sizer = wx.BoxSizer(wx.VERTICAL)
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        panel.SetSizer(sizer)
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        self.text = wx.TextCtrl(panel, value=self.default_text,
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                size=(600, 100), style=wx.TE_MULTILINE | wx.TE_READONLY)
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        self.gauge = wx.Gauge(panel, range=100, size=(250, 25))
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        self.cancel = wx.Button(panel, wx.ID_CANCEL)
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        # Window design
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        sizer.Add(self.text)
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        sizer.Add(self.gauge)
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        sizer.Add(self.cancel)
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        # Event binding
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        self.Bind(wx.EVT_BUTTON, self.OnCancel, self.cancel)
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    def OnGauge(self, value=0):
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        self.gauge.SetValue(value)
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        text = self.default_text
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        text += " ({}%)".format(value)
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        self.text.SetValue(text)
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    def OnText(self, text):
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        self.default_text = t(text)
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        self.text.SetValue(self.default_text)
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    def OnForceDestroy(self):
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        self.Destroy()
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    def OnCancel(self, e):
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        """The user clicks on 'cancel'."""
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        value = wx.MessageBox(t("ui.message.update.confirm_cancel"),
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                t("ui.dialog.confirm"), wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)
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        if value == wx.YES:
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            self.Destroy()
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# AppMainLoop
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if __name__ == "__main__":
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    app = wx.App()
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    frame = Updater(None)
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    app.MainLoop()
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