我正在OpenERP中編寫一個模塊,它將從Accounts模塊繼承。下面是我的簡化代碼AttributeError:'NoneType'對象沒有屬性'_columns'
from osv import fields, osv
import decimal_precision as dp
class account_molly(osv.osv):
def __computeOB(self, cr, uid, ids, context=None):
res = []
return 0
def __computeCB(self, cr, uid, ids, context=None):
res = []
return 0
_name = "account.molly"
_description = "This is Molly Special Account View"
_inherit = "account.account"
_columns = {
'opening_balance': fields.function(__computeOB, digits_compute=dp.get_precision('Account'), method=True, string='Opening Balance'),
'end_balance': fields.function(__computeCB, digits_compute=dp.get_precision('Account'), method=True, string='End Balance'),
}
account_molly()
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
當我嘗試安裝模塊,我得到
AttributeError: 'NoneType' object has no attribute '_columns'
請可能是什麼問題
? – cobie
根據OpenERP [文檔](http://doc.openerp.com/v6.0/developer/2_5_Objects_Fields_Methods/object_attributes.html),您需要有一個'_name = name.of.the.object'屬性。 – 2012-05-12 16:15:12
即使名稱屬性,它仍然給我同樣的錯誤。我只是刪除它,以便它想要sale_crm模塊中的主要python文件 –