36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
# The COPYRIGHT file at the top level of this repository contains the full
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# copyright notices and license terms.
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from trytond.pool import PoolMeta
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from trytond.pyson import Eval, If
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from trytond.transaction import Transaction
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__all__ = ['Lot', 'Move']
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class Lot(metaclass=PoolMeta):
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__name__ = 'stock.lot'
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@classmethod
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def get_quantity(cls, lots, name):
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"Return null instead of 0.0 if no locations in context"
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if not Transaction().context.get('locations'):
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return {}.fromkeys([l.id for l in lots], None)
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return super(Lot, cls).get_quantity(lots, name)
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class Move(metaclass=PoolMeta):
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__name__ = 'stock.move'
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@classmethod
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def __setup__(cls):
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super(Move, cls).__setup__()
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cls.lot.context['locations'] = If(Eval('from_location'),
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[Eval('from_location')], [])
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if 'from_location' not in cls.lot.depends:
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cls.lot.depends.append('from_location')
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cls.lot.loading = 'lazy'
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if 'product' not in cls.lot.depends:
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cls.lot.depends.append('product')
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cls.lot.states['readonly'] |= ~Eval('product') | ~Eval('from_location')
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