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7c219fd731
git-subtree-dir: SpiffWorkflow git-subtree-split: 63db3e45947ec66b8d0efc2c74064004f8ff482c
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2012 Matthew Hampton
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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from .util import BPMN_MODEL_NS
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class ValidationException(Exception):
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"""
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A ValidationException should be thrown with enough information for the user
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to diagnose the problem and sort it out.
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If available, please provide the offending XML node and filename.
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"""
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def __init__(self, msg, node=None, filename=None, *args, **kwargs):
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if node is not None:
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self.tag = self._shorten_tag(node.tag)
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self.id = node.get('id', '<Unknown>')
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self.name = node.get('name', '<Unknown>')
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self.sourceline = getattr(node, 'sourceline', '<Unknown>')
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else:
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self.tag = '<Unknown>'
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self.id = '<Unknown>'
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self.name = '<Unknown>'
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self.sourceline = '<Unknown>'
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self.filename = filename or '<Unknown File>'
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message = ('%s\nSource Details: '
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'%s (id:%s), name \'%s\', line %s in %s') % (
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msg, self.tag, self.id, self.name, self.sourceline, self.filename)
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super(ValidationException, self).__init__(message, *args, **kwargs)
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@classmethod
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def _shorten_tag(cls, tag):
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prefix = '{%s}' % BPMN_MODEL_NS
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if tag.startswith(prefix):
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return 'bpmn:' + tag[len(prefix):]
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return tag
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