view roundup/cgi/exceptions.py @ 3896:fca0365521fc

ignore client shutdown exceptions when sending responses patch from Ulrik Miaelsson If the user clicks the stop button, or click another link before the previous has finished loading, or something similar an IOError exception will be raised which results in the admin being sent an email. This can understandably be pretty annoying if your users are doing that on a regular basis. So we'll trap that exception and ignore it.
author Justus Pendleton <jpend@users.sourceforge.net>
date Tue, 11 Sep 2007 21:30:14 +0000
parents df4a3355ee8f
children bbab97f8ffb2
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#$Id: exceptions.py,v 1.6 2004-11-18 14:10:27 a1s Exp $
'''Exceptions for use in Roundup's web interface.
'''

__docformat__ = 'restructuredtext'

import cgi

class HTTPException(Exception):
    pass

class LoginError(HTTPException):
    pass

class Unauthorised(HTTPException):
    pass

class Redirect(HTTPException):
    pass

class NotFound(HTTPException):
    pass

class NotModified(HTTPException):
    pass

class FormError(ValueError):
    """An 'expected' exception occurred during form parsing.

    That is, something we know can go wrong, and don't want to alarm the user
    with.

    We trap this at the user interface level and feed back a nice error to the
    user.

    """
    pass

class SendFile(Exception):
    """Send a file from the database."""

class SendStaticFile(Exception):
    """Send a static file from the instance html directory."""

class SeriousError(Exception):
    """Raised when we can't reasonably display an error message on a
    templated page.

    The exception value will be displayed in the error page, HTML
    escaped.
    """
    def __str__(self):
        return '''
<html><head><title>Roundup issue tracker: An error has occurred</title>
 <link rel="stylesheet" type="text/css" href="@@file/style.css">
</head>
<body class="body" marginwidth="0" marginheight="0">
 <p class="error-message">%s</p>
</body></html>
'''%cgi.escape(self.args[0])

# vim: set filetype=python sts=4 sw=4 et si :

Roundup Issue Tracker: http://roundup-tracker.org/