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问Odoo如何解决返回self.models[model_name]
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Stack Overflow用户

提问于 2020-06-05 15:28:40

回答 1查看 4.4K关注 0票数 0

我创建了两个自定义模块，“项目”和“实验室”。实验室模块有one2many领域的项目。项目模块具有实验室标识的many2one字段。

我对“实验室”模块做了一些修改，当我尝试更新它时，我得到了以下错误：

Traceback (most recent call last):
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 624, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 310, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "C:\Odoo13\Odoo 13.0\server\odoo\tools\pycompat.py", line 14, in reraise
    raise value
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 669, in dispatch
    result = self._call_function(**self.params)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 350, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\service\model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 915, in __call__
    return self.method(*args, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 515, in response_wrap
    response = f(*args, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\web\controllers\main.py", line 1326, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\web\controllers\main.py", line 1314, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 387, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 374, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-65>", line 2, in button_immediate_upgrade
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 72, in check_and_log
    return method(self, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 634, in button_immediate_upgrade
    return self._button_immediate_function(type(self).button_upgrade)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 573, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 86, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 419, in load_modules
    force, status, report, loaded_modules, update_module, models_to_check)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 315, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 202, in load_module_graph
    registry.init_models(cr, model_names, {'module': package.name}, new_install)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 348, in init_models
    model._auto_init()
  File "C:\Odoo13\Odoo 13.0\server\odoo\models.py", line 2482, in _auto_init
    new = field.update_db(self, columns)
  File "C:\Odoo13\Odoo 13.0\server\odoo\fields.py", line 2417, in update_db
    comodel = model.env[self.comodel_name]
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 463, in __getitem__
    return self.registry[model_name]._browse(self, (), ())
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 177, in __getitem__
    return self.models[model_name]
KeyError: 'projects'

当我搜索此错误时，似乎没有将模块的依赖项放入“项目”。

因此，下一步是放置依赖项：

# any module necessary for this one to work correctly
    'depends': ['base','mail','projects'],

现在，我得到了另一个错误，就是关于它自身的依赖性：

Odoo Server Error
Traceback (most recent call last):
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 624, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 310, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "C:\Odoo13\Odoo 13.0\server\odoo\tools\pycompat.py", line 14, in reraise
    raise value
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 669, in dispatch
    result = self._call_function(**self.params)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 350, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\service\model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 915, in __call__
    return self.method(*args, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\http.py", line 515, in response_wrap
    response = f(*args, **kw)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\web\controllers\main.py", line 1326, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\web\controllers\main.py", line 1314, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 387, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 374, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "<decorator-gen-66>", line 2, in button_immediate_upgrade
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 72, in check_and_log
    return method(self, *args, **kwargs)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 634, in button_immediate_upgrade
    return self._button_immediate_function(type(self).button_upgrade)
  File "C:\Odoo13\Odoo 13.0\server\odoo\addons\base\models\ir_module.py", line 573, in _button_immediate_function
    modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 86, in new
    odoo.modules.load_modules(registry._db, force_demo, status, update_module)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 419, in load_modules
    force, status, report, loaded_modules, update_module, models_to_check)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 315, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\loading.py", line 176, in load_module_graph
    registry.setup_models(cr)
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 255, in setup_models
    model._setup_fields()
  File "C:\Odoo13\Odoo 13.0\server\odoo\models.py", line 2690, in _setup_fields
    field.setup_full(self)
  File "C:\Odoo13\Odoo 13.0\server\odoo\fields.py", line 431, in setup_full
    self._setup_regular_full(model)
  File "C:\Odoo13\Odoo 13.0\server\odoo\fields.py", line 2897, in _setup_regular_full
    comodel = model.env[self.comodel_name]
  File "C:\Odoo13\Odoo 13.0\server\odoo\api.py", line 463, in __getitem__
    return self.registry[model_name]._browse(self, (), ())
  File "C:\Odoo13\Odoo 13.0\server\odoo\modules\registry.py", line 177, in __getitem__
    return self.models[model_name]
KeyError: 'laboratory'

当我更改依赖项并添加self模块时，如下所示：

# any module necessary for this one to work correctly
    'depends': ['base','mail','projects','laboratory'],

我得到500内部服务器错误。

有人能解释一下为什么会发生以及我怎么处理吗？

module

dependencies

odoo

updates

回答 1

Stack Overflow用户

回答已采纳

发布于 2020-06-06 17:01:20

原因

这是因为“循环依赖”。模块“项目”依赖于“实验室”。但“实验室”依赖于“项目”，并成为循环。结果，模块升级未完成，字段未添加，KeyError将显示。检查这些模块的应用程序，这些将被困在只有“取消升级”按钮。我正在odoo 11上测试这个。

修复

我可以想出几种方法来解决这个问题。

instead.

Create

将“项目”和“实验室”模型移动到同一个模块，

使用"many2many“字段，该字段依赖于两个模块，并在这里通过继承将"one2many”和"many2one“定义为”one2many“和”many2one“。我的意思是，例如，继承“实验室”，在“项目”模块中添加“项目”字段。

票数 4

页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持

原文链接：

https://stackoverflow.com/questions/62218901

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