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import traceback |
import traceback |
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from wxPython.wx import * |
from wxPython.wx import * |
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from wxPython.lib.dialogs import wxScrolledMessageDialog |
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from Thuban.Lib.connector import Publisher |
from Thuban.Lib.connector import Publisher |
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from Thuban.Lib.fileutil import get_application_dir |
from Thuban.Lib.fileutil import get_application_dir |
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self.top.SetMap(self.session.Maps()[0]) |
self.top.SetMap(self.session.Maps()[0]) |
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else: |
else: |
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self.top.SetMap(None) |
self.top.SetMap(None) |
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in_exception_dialog = 0 # flag: are we already inside the exception dialog? |
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def ShowExceptionDialog(self, exc_type, exc_value, exc_traceback): |
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"""Show a message box with information about an exception. |
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The parameters are the usual values describing an exception in |
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Python, the exception type, the value and the traceback. |
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This method can be used as a value for the sys.excepthook. |
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""" |
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if self.in_exception_dialog: |
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return |
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self.in_exception_dialog = 1 |
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while wxIsBusy(): |
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wxEndBusyCursor() # reset the mouse cursor |
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try: |
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lines = traceback.format_exception(exc_type, exc_value, |
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exc_traceback) |
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message = "An unhandled exception occurred:\n%s\n" % exc_value+\ |
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"(please report to " \ |
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"http://thuban.intevation.org/bugtracker.html)"\ |
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"\n\n\n"+\ |
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"".join(lines) |
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print message |
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# We don't use an explicit parent here because this method might |
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# be called in circumstances where the main window doesn't exist |
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# anymore. |
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dlg = wxScrolledMessageDialog(None, message, |
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"Thuban: Internal Error") |
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dlg.ShowModal() |
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dlg.Destroy() |
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finally: |
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self.in_exception_dialog = 0 |
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# delete the last exception info that python keeps in |
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# sys.last_* because especially last_traceback keeps |
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# indirect references to all objects bound to local |
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# variables and this might prevent some object from being |
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# collected early enough. |
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sys.last_type = sys.last_value = sys.last_traceback = None |
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