| 1 | ## $Id: exceptions.py 11954 2014-11-13 16:54:17Z henrik $ |
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| 2 | ## |
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| 3 | ## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann |
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| 4 | ## This program is free software; you can redistribute it and/or modify |
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| 5 | ## it under the terms of the GNU General Public License as published by |
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| 6 | ## the Free Software Foundation; either version 2 of the License, or |
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| 7 | ## (at your option) any later version. |
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| 8 | ## |
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| 9 | ## This program is distributed in the hope that it will be useful, |
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| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | ## GNU General Public License for more details. |
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| 13 | ## |
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| 14 | ## You should have received a copy of the GNU General Public License |
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| 15 | ## along with this program; if not, write to the Free Software |
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| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | ## |
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| 18 | import grok |
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| 19 | import zope.errorview.browser |
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| 20 | from zope.interface.common.interfaces import IException |
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| 21 | from zope.errorview.http import SystemErrorViewMixin |
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| 22 | from zope.publisher.interfaces import INotFound |
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| 23 | from zope.security.interfaces import IUnauthorized |
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| 24 | from waeup.ikoba.browser.layout import IkobaPage |
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| 25 | |
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| 26 | grok.templatedir('templates') |
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| 27 | |
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| 28 | class ExceptionView(grok.View, zope.errorview.browser.ExceptionView, |
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| 29 | SystemErrorViewMixin): |
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| 30 | """Base class for rendering views for uncaught exceptions that occur during |
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| 31 | the application run-time and are not otherwise rendered. |
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| 32 | |
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| 33 | Backport from Grok 1.6. |
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| 34 | |
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| 35 | XXX: This view is shared for all apps and objects in the ZODB root. |
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| 36 | """ |
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| 37 | grok.context(IException) |
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| 38 | grok.name('index.html') |
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| 39 | grok.template('exception') |
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| 40 | |
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| 41 | def update(self): |
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| 42 | return zope.errorview.browser.ExceptionView.update(self) |
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| 43 | |
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| 44 | class UnauthorizedView(grok.View, zope.errorview.browser.UnauthorizedView): |
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| 45 | """Base class for rendering views for IUnauthorized exceptions. |
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| 46 | |
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| 47 | Backport from grok 1.6. This is only a view (not a page) because |
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| 48 | we cannot trust that the associated :exc:`Unauthorized` exceptions |
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| 49 | happened inside a w.k. site. |
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| 50 | |
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| 51 | If not, then we have no layout available at time of rendering. |
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| 52 | |
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| 53 | XXX: This view is shared for all apps and objects in the ZODB root. |
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| 54 | """ |
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| 55 | grok.context(IUnauthorized) |
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| 56 | grok.name('index.html') |
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| 57 | grok.template('unauthorized') |
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| 58 | |
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| 59 | def update(self): |
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| 60 | return zope.errorview.browser.UnauthorizedView.update(self) |
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| 61 | |
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| 62 | |
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| 63 | class NotFoundPage(IkobaPage): |
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| 64 | """A page rendered when an object cannot be found. |
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| 65 | |
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| 66 | XXX: This page won't work for objects above a w.k.Company. |
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| 67 | """ |
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| 68 | grok.context(INotFound) |
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| 69 | grok.name('index.html') |
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| 70 | grok.template('notfound') |
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| 71 | |
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| 72 | title = u'404: File Not Found' |
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| 73 | |
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| 74 | def update(self): |
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| 75 | try: |
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| 76 | self.context = grok.getSite() |
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| 77 | except: |
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| 78 | pass |
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| 79 | self.response.setStatus(404) |
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| 80 | return |
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