Odoo如何解决返回self.models [model_name]

问题描述 投票:0回答:1

我创建了2个自定义模块,即“项目”和“实验室”。实验室模块有多个项目领域。项目模块具有实验室编号的many2one字段。

我为“实验室”模块做了一些修改,当我尝试更新它时,出现此错误:

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,下一步放置了依​​赖项:

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

现在我得到另一个错误,这是关于它自身的依赖性的说明:

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'

并且当我更改依赖关系并添加自身模块时:

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

我收到500个内部服务器错误。

有人可以解释为什么会发生这种情况以及我该如何处理?预先感谢。

module dependencies odoo updates
1个回答
0
投票

原因

这是由于“循环依赖”。模块“项目”取决于“实验室”。但是“实验室”依赖于“项目”,因此变成了循环。结果,模块升级未完成,未添加字段,并且将显示KeyError。检查应用程序中的那些模块,仅使用“取消升级”按钮将这些模块卡住。我正在odoo 11上对此进行测试。

修复

我可以想到一些解决此问题的方法。

  • 将“项目”和“实验室”模型都移到同一模块。
  • 改为使用“ many2many”字段。
  • 创建依赖于两个模块的另一个模块,并在此处通过继承定义“ one2many”和“ many2one”。
  • 通过继承将一个字段移动到另一模块。我的意思是,例如继承“实验室”并在“项目”模块中添加“项目”字段。
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