17 lines
339 B
Python
17 lines
339 B
Python
from trytond.pool import PoolMeta
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from trytond.model import fields
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from trytond.pyson import Eval
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class Sale(metaclass=PoolMeta):
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__name__ = 'sale.sale'
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delete_lines = fields.One2Many(
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'sale.line',
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'sale',
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"Delete lines",
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states={
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'readonly': Eval('state') != 'draft'
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}
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)
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