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如何解决“TypeError:float()参数必须是字符串或数字”

odoo-9 python-2.7

Dhouha · 技术社区 · 6 年前

我正在尝试安装模块 product_print_zpl_barcode 在奥多9。此模块用于添加产品变体向导,以在ZPL打印机上生成和打印产品条形码。我得到了错误:

TypeError:float()参数必须是字符串或数字

当我按下“打印条形码”按钮时。

以下是源代码和错误:

product\u print\u zpl\u条形码。py公司

 # -*- coding: utf-8 -*-

 from openerp import models, fields, api, _
 from openerp.exceptions import UserError
 from openerp.tools import float_compare, float_is_zero
 import openerp.addons.decimal_precision as dp
 import base64
 import re


 class ProductPrintZplBarcode(models.Model):
_name = 'product.print.zpl.barcode'
_description = 'Generate and print product barcodes in ZPL'

@api.depends('pricelist_id', 'quantity', 'product_id')
def _compute_price(self):
    # for regular barcodes
    for wiz in self:
        if wiz.pricelist_id and wiz.product_id:
            price_uom = wiz.pricelist_id.price_get(wiz.product_id.id, 1)
            wiz.price_uom = price_uom
            wiz.price = price_uom * wiz.quantity
    return wiz.price

回溯

   Traceback (most recent call last):
 File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 650, in _handle_exception
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 687, in dispatch
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 323, in _call_function
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\service\model.py", line 118, in wrapper
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 316, in checked_call
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 966, in __call__
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\http.py", line 516, in response_wrap
File "D:\Projet_Odoo\Odoo 9.20180426\server\openerp\addons\web\controllers\main.py", line 896, in call_kw
File "D:\Projet_Odoo\Odoo 9.20180426\server\openerp\addons\web\controllers\main.py", line 888, in _call_kw
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\api.py", line 250, in wrapper
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\api.py", line 381, in old_api
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\models.py", line 6067, in onchange
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\models.py", line 5770, in __getitem__
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 834, in __get__
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 949, in determine_draft_value
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 895, in compute_value
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 885, in _compute_value
File "D:\Projet_Odoo\Odoo 9.020180426\server\openerp\addons\product_print_zpl_barcode\models\product_print_zpl_barcode.py", line 100, in _compute_price
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 847, in __set__
File "D:\Projet_Odoo\Odoo 9.0-20180426\server\.\openerp\fields.py", line 1177, in convert_to_cache
TypeError: float() argument must be a string or a number

1 回复 | 直到 6 年前

Kenly 6 年前

不要返回任何值。

如Odoo网站所述 You should assign the computed value to the field :

计算字段

可以使用compute参数计算字段(而不是直接从数据库读取)。它必须将计算值分配给字段。如果它使用其他字段的值,则应使用depends()指定这些字段

评估后 price_uom = wiz.pricelist_id.price_get(wiz.product_id.id, 1) :

price_uom 将是一份口述( {pricelist_id: price} )因此,在尝试执行任何算术运算之前,您需要获取price\u uom。

@api.depends('pricelist_id', 'quantity', 'product_id')
def _compute_price(self):
    # for regular barcodes
    for wiz in self:
        if wiz.pricelist_id and wiz.product_id:
            # You need to get price from the dict using pricelist_id
            price_uom = wiz.pricelist_id.price_get(wiz.product_id.id, 1)[wiz.pricelist_id.id]
            wiz.price_uom = price_uom
            wiz.price = price_uom * wiz.quantity
    return wiz.price

您可以看到 price_get 如果您查看以下代码(我刚刚复制了所需的最小代码),就会计算返回值:

def price_get(self, cr, uid, ids, prod_id, qty, partner=None, context=None):
    return dict((key, price[0]) for key, price in self.price_rule_get(cr, uid, ids, prod_id, qty, partner=partner, context=context).items())

def price_rule_get(self, cr, uid, ids, prod_id, qty, partner=None, context=None):
    product = self.pool.get('product.product').browse(cr, uid, prod_id, context=context)
    res_multi = self.price_rule_get_multi(cr, uid, ids, products_by_qty_by_partner=[(product, qty, partner)], context=context)
    res = res_multi[prod_id]
    return res

def price_rule_get_multi(self, cr, uid, ids, products_by_qty_by_partner, context=None):
    """multi products 'price_get'.
        @param ids:
        @param products_by_qty:
        @param partner:
        @param context: {
            'date': Date of the pricelist (%Y-%m-%d),}
        @return: a dict of dict with product_id as key and a dict 'price by pricelist' as value
    """
    if not ids:
        ids = self.pool.get('product.pricelist').search(cr, uid, [], context=context)
    results = {}
    for pricelist in self.browse(cr, uid, ids, context=context):
        subres = self._price_rule_get_multi(cr, uid, pricelist, products_by_qty_by_partner, context=context)
        for product_id, price in subres.items():
            results.setdefault(product_id, {})
            results[product_id][pricelist.id] = price
    return results