请教大神：
我继承product.template新增了prd_version字段，可以正常使用。但是当我升级purchase模块时，却提示找不到prd_version字段，错误信息如下。请问是什么原因？
错误信息:
Odoo Server Error

Traceback (most recent call last):
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 1108, in _validate_fields
    check(self)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 351, in _check_xml
    self.postprocess_and_fields(view.model, view_doc, view.id)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 1092, in postprocess_and_fields
    self.raise_view_error(message, view_id)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 545, in raise_view_error
    raise ValueError(message)
ValueError: 字段`prd_version`不存在

错误的上下文:
视图 `product.template.purchase.button.inherit`
[view_id: 1024, xml_id: purchase.view_product_template_purchase_buttons_from, model: product.template, parent_id: 368]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 757, in parse
    self._tags[rec.tag](rec, de, mode=mode)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 662, in _tag_record
    record = model.with_context(rec_context)._load_records([data], self.mode == 'update')
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3784, in _load_records
    data['record'].write(data['values'])
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 441, in write
    return super(View, self).write(self._compute_defaults(vals))
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3302, in write
    fields[0].determine_inverse(records)
  File "F:\greenodoo12-win\odoo12\odoo\fields.py", line 1094, in determine_inverse
    getattr(records, self.inverse)()
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 275, in _inverse_arch
    view.write(data)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 441, in write
    return super(View, self).write(self._compute_defaults(vals))
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3265, in write
    self._write(store_vals)
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3409, in _write
    self._validate_fields(vals)
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 1112, in _validate_fields
    raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e)))
odoo.exceptions.ValidationError: ('constraint 检查错误\n\n字段`prd_version`不存在\n\n错误的上下文:\n视图 `product.template.purchase.button.inherit`\n[view_id: 1024, xml_id: purchase.view_product_template_purchase_buttons_from, model: product.template, parent_id: 368]', None)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 654, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 312, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "F:\greenodoo12-win\odoo12\odoo\tools\pycompat.py", line 87, in reraise
    raise value
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 696, in dispatch
    result = self._call_function(**self.params)
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 344, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "F:\greenodoo12-win\odoo12\odoo\service\model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 337, in checked_call
    result = self.endpoint(*a, **kw)
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 939, in __call__
    return self.method(*args, **kw)
  File "F:\greenodoo12-win\odoo12\odoo\http.py", line 517, in response_wrap
    response = f(*args, **kw)
  File "F:\greenodoo12-win\odoo12\addons\web\controllers\main.py", line 966, in call_button
    action = self._call_kw(model, method, args, {})
  File "F:\greenodoo12-win\odoo12\addons\web\controllers\main.py", line 954, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "F:\greenodoo12-win\odoo12\odoo\api.py", line 749, in call_kw
    return _call_kw_multi(method, model, args, kwargs)
  File "F:\greenodoo12-win\odoo12\odoo\api.py", line 736, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-67>", line 2, in button_immediate_upgrade
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_module.py", line 71, in check_and_log
    return method(self, *args, **kwargs)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_module.py", line 596, in button_immediate_upgrade
    return self._button_immediate_function(type(self).button_upgrade)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_module.py", line 535, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "F:\greenodoo12-win\odoo12\odoo\modules\registry.py", line 86, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "F:\greenodoo12-win\odoo12\odoo\modules\loading.py", line 417, in load_modules
    force, status, report, loaded_modules, update_module, models_to_check)
  File "F:\greenodoo12-win\odoo12\odoo\modules\loading.py", line 313, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "F:\greenodoo12-win\odoo12\odoo\modules\loading.py", line 222, in load_module_graph
    load_data(cr, idref, mode, kind='data', package=package, report=report)
  File "F:\greenodoo12-win\odoo12\odoo\modules\loading.py", line 68, in load_data
    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind, report)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 801, in convert_file
    convert_xml_import(cr, module, fp, idref, mode, noupdate, report)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 864, in convert_xml_import
    obj.parse(doc.getroot(), mode=mode)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 763, in parse
    exc_info[2]
  File "F:\greenodoo12-win\odoo12\odoo\tools\pycompat.py", line 86, in reraise
    raise value.with_traceback(tb)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 757, in parse
    self._tags[rec.tag](rec, de, mode=mode)
  File "F:\greenodoo12-win\odoo12\odoo\tools\convert.py", line 662, in _tag_record
    record = model.with_context(rec_context)._load_records([data], self.mode == 'update')
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3784, in _load_records
    data['record'].write(data['values'])
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 441, in write
    return super(View, self).write(self._compute_defaults(vals))
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3302, in write
    fields[0].determine_inverse(records)
  File "F:\greenodoo12-win\odoo12\odoo\fields.py", line 1094, in determine_inverse
    getattr(records, self.inverse)()
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 275, in _inverse_arch
    view.write(data)
  File "F:\greenodoo12-win\odoo12\odoo\addons\base\models\ir_ui_view.py", line 441, in write
    return super(View, self).write(self._compute_defaults(vals))
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3265, in write
    self._write(store_vals)
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 3409, in _write
    self._validate_fields(vals)
  File "F:\greenodoo12-win\odoo12\odoo\models.py", line 1112, in _validate_fields
    raise ValidationError("%s\n\n%s" % (_("Error while validating constraint"), tools.ustr(e)))
odoo.tools.convert.ParseError: "constraint 检查错误

字段`prd_version`不存在

错误的上下文:
视图 `product.template.purchase.button.inherit`
[view_id: 1024, xml_id: purchase.view_product_template_purchase_buttons_from, model: product.template, parent_id: 368]
None" while parsing file:/f:/greenodoo12-win/odoo12/addons/purchase/views/product_views.xml:68, near
<record id="view_product_template_purchase_buttons_from" model="ir.ui.view">
            <field name="name">product.template.purchase.button.inherit</field>
            <field name="model">product.template</field>
            <field name="inherit_id" ref="product.product_template_only_form_view"/>
            <field name="groups_id" eval="[(4, ref('purchase.group_purchase_user'))]"/>
            <field name="arch" type="xml">
                <button name="toggle_active" position="before">
                    <button class="oe_stat_button" name="action_view_po" type="object" icon="fa-shopping-cart" attrs="{'invisible': [('purchase_ok', '=', False)]}" help="Purchased in the last 365 days">
                        <div class="o_field_widget o_stat_info">
                            <span class="o_stat_value">
                                <field name="purchased_product_qty" widget="statinfo" nolabel="1" class="mr4"/>
                                <field name="uom_name"/>
                            </span>
                            <span class="o_stat_text">Purchased</span>
                        </div>
                    </button>
                </button>
            </field>
        </record>
Odoo 中文社区

floatingdudu
