69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
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# -*- coding: utf-8; -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2020 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# Rattail 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 General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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Database schema extensions for CORE-POS integration
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"""
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import sqlalchemy as sa
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from sqlalchemy import orm
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from rattail.db import model
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__all__ = ['CoreVendor']
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class CoreVendor(model.Base):
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"""
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CORE-specific extensions to :class:`rattail:rattail.db.model.Vendor`.
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"""
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__tablename__ = 'corepos_vendor'
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__table_args__ = (
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sa.ForeignKeyConstraint(['uuid'], ['vendor.uuid'],
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name='corepos_vendor_fk_vendor'),
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)
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__versioned__ = {}
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uuid = model.uuid_column(default=None)
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vendor = orm.relationship(
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model.Vendor,
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doc="""
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Reference to the actual vendor record, which this one extends.
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""",
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backref=orm.backref(
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'_corepos',
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uselist=False,
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cascade='all, delete-orphan',
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doc="""
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Reference to the CORE-POS extension record for this vendor.
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"""))
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corepos_id = sa.Column(sa.Integer(), nullable=False, doc="""
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``vendorID`` value for the vendor, within CORE-POS.
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""")
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def __str__(self):
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return str(self.vendor)
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CoreVendor.make_proxy(model.Vendor, '_corepos', 'corepos_id')
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