forked from openlp/openlp
107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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"""
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OpenLP - Open Source Lyrics Projection
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Copyright (c) 2008 Raoul Snyman
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Portions copyright (c) 2008 - 2009 Martin Thompson, Tim Bentley
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program 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 FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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import string
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from sqlalchemy import Column, Table, MetaData, ForeignKey, types, \
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create_engine
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from sqlalchemy.orm import mapper, relation, sessionmaker, scoped_session
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class BaseModel(object):
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"""
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BaseModel provides a base object with a set of generic functions
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"""
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@classmethod
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def populate(cls, **kwargs):
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"""
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Creates an instance of a class and populates it, returning the instance
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"""
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me = cls()
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keys = kwargs.keys()
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for key in keys:
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me.__setattr__(key, kwargs[key])
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return me
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class BibleMeta(BaseModel):
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"""
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Bible Meta Data
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"""
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pass
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class ONTestament(BaseModel):
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"""
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Bible Testaments
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"""
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pass
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class Book(BaseModel):
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"""
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Song model
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"""
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pass
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class Verse(BaseModel):
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"""
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Topic model
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"""
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pass
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def init_models(db_url):
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engine = create_engine(db_url)
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metadata.bind = engine
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session = scoped_session(sessionmaker(autoflush=True,
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autocommit=False,
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bind=engine))
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return metadata, session
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metadata = MetaData()
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meta_table = Table(u'metadata', metadata,
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Column(u'key', types.Unicode(255), primary_key=True, index=True),
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Column(u'value', types.Unicode(255)),
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)
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testament_table = Table(u'testament', metadata,
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Column(u'id', types.Integer, primary_key=True),
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Column(u'name', types.Unicode(50)),
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)
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book_table = Table(u'book', metadata,
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Column(u'id', types.Integer, primary_key=True),
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Column(u'testament_id', types.Integer, ForeignKey(u'testament.id')),
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Column(u'name', types.Unicode(50), index=True),
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Column(u'abbreviation', types.Unicode(5), index=True),
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)
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verse_table = Table(u'verse', metadata,
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Column(u'id', types.Integer, primary_key=True, index=True),
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Column(u'book_id', types.Integer, ForeignKey(u'book.id'), index=True),
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Column(u'chapter', types.Integer, index=True),
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Column(u'verse', types.Integer, index=True),
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Column(u'text', types.UnicodeText, index=True),
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)
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mapper(BibleMeta, meta_table)
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mapper(ONTestament, testament_table,
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properties={'books': relation(Book, backref='testament')})
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mapper(Book, book_table,
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properties={'verses': relation(Verse, backref='book')})
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mapper(Verse, verse_table)
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