68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
#
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# models.py -- Extension models.
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#
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# Copyright (c) 2010-2011 Beanbag, Inc.
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# Copyright (c) 2008-2010 Christian Hammond
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from django.db import models
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from djblets.extensions.errors import InvalidExtensionError
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from djblets.util.fields import JSONField
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class RegisteredExtension(models.Model):
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"""Extension registration info.
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An extension that was both installed and enabled at least once. This
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may contain settings for the extension.
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This does not contain full information for the extension, such as the
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author or description. That is provided by the Extension object itself.
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"""
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class_name = models.CharField(max_length=128, unique=True)
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name = models.CharField(max_length=32)
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enabled = models.BooleanField(default=False)
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installed = models.BooleanField(default=False)
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settings = JSONField()
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def __unicode__(self):
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return self.name
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def get_extension_class(self):
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"""Retrieves the python object for the extensions class."""
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try:
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# Import the function here to avoid a mutual
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# dependency.
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from djblets.extensions.base import get_extension_managers
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except:
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return None
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managers = get_extension_managers()
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for manager in managers:
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try:
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extension = manager.get_installed_extension(self.class_name)
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return extension
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except InvalidExtensionError:
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continue
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return None
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