45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from sql import Null
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from sql.conditionals import Case
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from trytond.model import fields
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from trytond.pyson import Not, Eval, Bool
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from trytond.transaction import Transaction
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from trytond import backend
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from trytond.pool import PoolMeta
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__all__ = ['Location']
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__metaclass__ = PoolMeta
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class Location:
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"Stock Location"
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__name__ = 'stock.location'
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sequence = fields.Integer('Sequence',
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states={
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'readonly': Not(Bool(Eval('active'))),
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},
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depends=['active'])
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@classmethod
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def __setup__(cls):
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super(Location, cls).__setup__()
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cls._order.insert(0, ('sequence', 'ASC'))
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@classmethod
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def __register__(cls, module_name):
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TableHandler = backend.get('TableHandler')
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cursor = Transaction().cursor
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table = TableHandler(cursor, cls, module_name)
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super(Location, cls).__register__(module_name)
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# Migration from 2.4: drop required on sequence
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table.not_null_action('sequence', action='remove')
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@staticmethod
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def order_sequence(tables):
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table, _ = tables[None]
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return [Case((table.sequence == Null, 0), else_=1), table.sequence]
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