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loggerhead/controllers/error_ui.py

 

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#

 

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# Copyright (C) 2008  Guillermo Gonzalez <guillo.gonzo@gmail.com>

 

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#

 

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# This program is free software; you can redistribute it and/or modify

 

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# it under the terms of the GNU General Public License as published by

 

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# the Free Software Foundation; either version 2 of the License, or

 

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# (at your option) any later version.

 

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#

 

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# This program is distributed in the hope that it will be useful,

 

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

 

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 

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# GNU General Public License for more details.

 

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#

 

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# You should have received a copy of the GNU General Public License

 

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# along with this program; if not, write to the Free Software

 

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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 

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#

 

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from StringIO import StringIO

 

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import traceback

 

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from loggerhead.controllers import TemplatedBranchView

 

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from loggerhead import util

 

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class ErrorUI(TemplatedBranchView):

 

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    template_path = 'loggerhead.templates.error'

 

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    def __init__(self, branch, exc_info):

 

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        super(ErrorUI, self).__init__(branch, lambda:None)

 

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        self.exc_info = exc_info

 

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    def get_values(self, path, kwargs, response):

 

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        exc_type, exc_object, exc_tb = self.exc_info

 

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        description = StringIO()

 

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        traceback.print_exception(exc_type, exc_object, None, file=description)

 

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        directory_breadcrumbs = (

 

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            util.directory_breadcrumbs(

 

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                self._branch.friendly_name,

 

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                self._branch.is_root,

 

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                'changes'))

 

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        return {

 

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            'branch': self._branch,

 

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            'error_title': ('An unexpected error occurred while'

 

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                            'proccesing the request:'),

 

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            'error_description': description.getvalue(),

 

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            'directory_breadcrumbs': directory_breadcrumbs,

 

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        }

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