27 lines
891 B
Python
27 lines
891 B
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 trytond.pool import Pool, PoolMeta
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__all__ = ['InvoiceLine']
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__metaclass__ = PoolMeta
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class InvoiceLine:
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__name__ = 'account.invoice.line'
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@classmethod
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def __setup__(cls):
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super(InvoiceLine, cls).__setup__()
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cls._error_messages.update({
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'delete_purchase_invoice_line': ('You can not delete '
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'invoice lines that comes from a purchase.'),
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})
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@classmethod
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def delete(cls, lines):
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PurchaseLine = Pool().get('purchase.line')
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if any(l for l in lines
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if isinstance(l.origin, PurchaseLine) and l.type == 'line'):
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cls.raise_user_error('delete_purchase_invoice_line')
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super(InvoiceLine, cls).delete(lines)
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