8ceb98baf4
Added initial database schema and ability to install it, added init-db command to pyramid scaffold.
65 lines
2 KiB
Python
65 lines
2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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################################################################################
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#
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# edbob -- Pythonic Software Framework
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# Copyright © 2010-2012 Lance Edgar
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#
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# This file is part of edbob.
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#
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# edbob is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option)
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# any later version.
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#
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# edbob is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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# more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with edbob. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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``edbob.db.exceptions`` -- Database Exceptions
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"""
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class CoreSchemaAlreadyInstalled(Exception):
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"""
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Raised when a request is made to install the core schema to a database, but
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it is already installed there.
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"""
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def __init__(self, installed_version):
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self.installed_version = installed_version
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def __str__(self):
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return "Core schema already installed (version %s)" % self.installed_version
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class CoreSchemaNotInstalled(Exception):
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"""
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Raised when a request is made which requires the core schema to be present
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in a database, yet such is not the case.
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"""
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def __init__(self, engine):
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self.engine = engine
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def __str__(self):
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return "Core schema not installed: %s" % str(self.engine)
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class ExtensionNotFound(Exception):
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"""
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Raised when an extension is requested which cannot be located.
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"""
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def __init__(self, name):
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self.name = name
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def __str__(self):
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return "Extension not found: %s" % self.name
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