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Diffstat (limited to 'portato/gui/gtk/exception_handling.py')
-rw-r--r--portato/gui/gtk/exception_handling.py108
1 files changed, 108 insertions, 0 deletions
diff --git a/portato/gui/gtk/exception_handling.py b/portato/gui/gtk/exception_handling.py
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+++ b/portato/gui/gtk/exception_handling.py
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+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/gtk/exception_handling.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2007 René 'Necoro' Neumann
+# This is free software. You may redistribute copies of it under the terms of
+# the GNU General Public License version 2.
+# There is NO WARRANTY, to the extent permitted by law.
+#
+#
+# Written by René 'Necoro' Neumann
+
+import gtk, pango, gobject
+import sys, traceback
+
+from threading import Thread
+from gettext import lgettext as _
+from StringIO import StringIO
+
+from portato.helper import error
+
+class GtkThread (Thread):
+ def run(self):
+ try:
+ Thread.run(self)
+ except SystemExit:
+ raise # let normal thread handle it
+ except:
+ type, val, tb = sys.exc_info()
+ try:
+ try:
+ sys.excepthook(type, val, tb, thread = self.getName())
+ except TypeError:
+ raise type, val, tb # let normal thread handle it
+ finally:
+ del type, val, tb
+
+class UncaughtExceptionDialog(gtk.MessageDialog):
+ """Original idea by Gustavo Carneiro - original code: http://www.daa.com.au/pipermail/pygtk/attachments/20030828/2d304204/gtkexcepthook.py."""
+
+ def __init__(self, type, value, tb, thread = None):
+
+ super(UncaughtExceptionDialog,self).__init__(parent=None, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_NONE, message_format=_("A programming error has been detected during the execution of this program."))
+ self.set_title(_("Bug Detected"))
+ self.format_secondary_text(_("It probably isn't fatal, but should be reported to the developers nonetheless."))
+
+ self.add_button(_("Show Details"), 1)
+ self.add_button(gtk.STOCK_CLOSE, gtk.RESPONSE_CLOSE)
+
+ # Details
+ self.textview = gtk.TextView()
+ self.textview.set_editable(False)
+ self.textview.modify_font(pango.FontDescription("Monospace"))
+
+ self.sw = gtk.ScrolledWindow();
+ self.sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+ self.sw.add(self.textview)
+
+ self.tbFrame = gtk.Frame()
+ self.tbFrame.set_shadow_type(gtk.SHADOW_IN)
+ self.tbFrame.add(self.sw)
+ self.tbFrame.set_border_width(6)
+
+ self.vbox.add(self.tbFrame)
+
+ textbuffer = self.textview.get_buffer()
+ text = get_trace(type, value, tb)
+ if thread:
+ text = _("Exception in thread \"%(thread)s\":\n%(trace)s") % {"thread": thread, "trace": text}
+ textbuffer.set_text(text)
+ self.textview.set_size_request(gtk.gdk.screen_width()/2, gtk.gdk.screen_height()/3)
+
+ self.details = self.tbFrame
+ self.set_position(gtk.WIN_POS_CENTER)
+ self.set_gravity(gtk.gdk.GRAVITY_CENTER)
+
+ def run (self):
+ while True:
+ resp = super(UncaughtExceptionDialog, self).run()
+ if resp == 1:
+ self.details.show_all()
+ self.set_response_sensitive(1, False)
+ else:
+ break
+ self.destroy()
+
+def get_trace(type, value, tb):
+ trace = StringIO()
+ traceback.print_exception(type, value, tb, None, trace)
+ traceStr = trace.getvalue()
+ trace.close()
+ return traceStr
+
+def register_ex_handler():
+
+ def handler(type, val, tb, thread = None):
+ def run_dialog():
+ UncaughtExceptionDialog(type, val, tb, thread).run()
+
+ if thread:
+ error(_("Exception in thread \"%(thread)s\":\n%(trace)s"), {"thread": thread, "trace": get_trace(type, val, tb)})
+ else:
+ error(_("Exception:\n%s"), get_trace(type, val, tb))
+
+ gobject.idle_add(run_dialog)
+
+ sys.excepthook = handler