Implement and error message if config fails

config.py

@@ -64,6 +64,8 @@ def getPyfaRoot():
     root = unicode(root, sys.getfilesystemencoding())
     return root
 
+def getDefaultSave():
+    return unicode(os.path.expanduser(os.path.join("~", ".pyfa")), sys.getfilesystemencoding())
 
 def defPaths(customSavePath):
     global debug
@@ -93,8 +95,7 @@ def defPaths(customSavePath):
         savePath = getattr(configforced, "savePath", None)
         if savePath is None:
             if customSavePath is None:  # customSavePath is not overriden
-                savePath = unicode(os.path.expanduser(os.path.join("~", ".pyfa")),
-                                   sys.getfilesystemencoding())
+                savePath = getDefaultSave()
             else:
                 savePath = customSavePath
 

gui/errorDialog.py

@@ -0,0 +1,81 @@
+#===============================================================================
+# Copyright (C) 2010 Diego Duclos
+#
+# This file is part of pyfa.
+#
+# pyfa is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# pyfa is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with pyfa.  If not, see <http://www.gnu.org/licenses/>.
+#===============================================================================
+
+import wx
+import sys
+import gui.utils.fonts as fonts
+import config
+
+class ErrorFrame(wx.Frame):
+
+    def __init__(self, exception, tb):
+        wx.Frame.__init__(self, None, id=wx.ID_ANY, title="pyfa error", pos=wx.DefaultPosition, size=wx.Size(500, 400), style=wx.DEFAULT_FRAME_STYLE^ wx.RESIZE_BORDER|wx.STAY_ON_TOP)
+
+        desc =  "pyfa has experienced an unexpected error. Below is the " \
+                "Traceback that contains crucial information about how this " \
+                "error was triggered. Please contact the developers with " \
+                "the information provided through the EVE Online forums " \
+                "or file a GitHub issue."
+
+        self.SetSizeHintsSz(wx.DefaultSize, wx.DefaultSize)
+
+        if 'wxMSW' in wx.PlatformInfo:
+            self.SetBackgroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_BTNFACE))
+
+        mainSizer = wx.BoxSizer(wx.VERTICAL)
+        headSizer = wx.BoxSizer(wx.HORIZONTAL)
+
+        self.headingText = wx.StaticText(self, wx.ID_ANY, "Error!", wx.DefaultPosition, wx.DefaultSize, wx.ALIGN_CENTRE)
+        self.headingText.SetFont(wx.Font(14, 74, 90, 92, False))
+
+        headSizer.Add(self.headingText, 1, wx.ALL, 5)
+        mainSizer.Add(headSizer, 0, wx.EXPAND, 5)
+
+        mainSizer.Add(wx.StaticLine(self, wx.ID_ANY, wx.DefaultPosition, wx.DefaultSize, wx.LI_HORIZONTAL), 0, wx.EXPAND |wx.ALL, 5)
+
+        descSizer = wx.BoxSizer(wx.HORIZONTAL)
+        self.descText = wx.TextCtrl( self, wx.ID_ANY, desc, wx.DefaultPosition, wx.DefaultSize, wx.TE_AUTO_URL|wx.TE_MULTILINE|wx.TE_READONLY|wx.BORDER_NONE|wx.TRANSPARENT_WINDOW )
+        self.descText.SetFont(wx.Font(fonts.BIG, wx.SWISS, wx.NORMAL, wx.NORMAL))
+        descSizer.Add(self.descText, 1, wx.EXPAND|wx.ALL, 5)
+        mainSizer.Add(descSizer, 0, wx.EXPAND, 5)
+
+        #mainSizer.AddSpacer((0, 5), 0, wx.EXPAND, 5)
+
+        self.errorTextCtrl = wx.TextCtrl(self, wx.ID_ANY, "", wx.DefaultPosition, wx.DefaultSize, wx.TE_MULTILINE|wx.TE_READONLY|wx.TE_RICH2|wx.TE_DONTWRAP)
+        self.errorTextCtrl.SetFont(wx.Font(8, wx.FONTFAMILY_TELETYPE, wx.NORMAL, wx.NORMAL))
+        mainSizer.Add(self.errorTextCtrl, 1, wx.EXPAND|wx.LEFT|wx.RIGHT, 5)
+
+        self.errorTextCtrl.AppendText("pyfa root: ")
+        self.errorTextCtrl.AppendText(config.pyfaPath)
+        self.errorTextCtrl.AppendText('\n')
+        self.errorTextCtrl.AppendText("save path: ")
+        self.errorTextCtrl.AppendText(config.savePath)
+        self.errorTextCtrl.AppendText('\n')
+        self.errorTextCtrl.AppendText("fs encoding: ")
+        self.errorTextCtrl.AppendText(sys.getfilesystemencoding())
+        self.errorTextCtrl.AppendText('\n\n')
+        self.errorTextCtrl.AppendText(tb)
+
+        self.SetSizer(mainSizer)
+        mainSizer.Layout()
+        self.Layout()
+
+        self.Centre(wx.BOTH)
+
+        self.Show()

pyfa.py

@@ -114,31 +114,45 @@ def _process_args(self, largs, rargs, values):
         options.title = "pyfa %s%s - Python Fitting Assistant" % (config.version, "" if config.tag.lower() != 'git' else " (git)")
 
     config.debug = options.debug
-    # convert to unicode if it is set
-    if options.savepath is not None:
-        options.savepath = unicode(options.savepath)
-    config.defPaths(options.savepath)
 
-    # Basic logging initialization
     import logging
-    logging.basicConfig()
-
     # Import everything
     # noinspection PyPackageRequirements
     import wx
     import os
     import os.path
 
-    import eos.db
-    # noinspection PyUnresolvedReferences
-    import service.prefetch  # noqa: F401
-    from gui.mainFrame import MainFrame
+    try:
+        # convert to unicode if it is set
+        if options.savepath is not None:
+            options.savepath = unicode(options.savepath)
+        config.defPaths(options.savepath)
+
+        # Basic logging initialization
+        logging.basicConfig()
+
+        import eos.db
+        # noinspection PyUnresolvedReferences
+        import service.prefetch  # noqa: F401
 
-    # Make sure the saveddata db exists
-    if not os.path.exists(config.savePath):
-        os.mkdir(config.savePath)
+        # Make sure the saveddata db exists
+        if not os.path.exists(config.savePath):
+            os.mkdir(config.savePath)
 
-    eos.db.saveddata_meta.create_all()
+        eos.db.saveddata_meta.create_all()
+
+    except Exception, e:
+        import traceback
+        from gui.errorDialog import ErrorFrame
+
+        tb = traceback.format_exc()
+
+        pyfa = wx.App(False)
+        ErrorFrame(e, tb)
+        pyfa.MainLoop()
+        sys.exit()
+
+    from gui.mainFrame import MainFrame
 
     pyfa = wx.App(False)
     MainFrame(options.title)