Python 3.x Odoo：第二次创建项目截止日期时出错 在Odoo framework中，我已经完成并创建了所有项目，现在im在项目截止日期前堆叠，当我想要创建projet的截止日期时，第一次提交和操作成功通过，但第二次提交和操作给我以下错误： 您试图从包含两条记录的记

Odoo：第二次创建项目截止日期时出错 在Odoo framework中，我已经完成并创建了所有项目，现在im在项目截止日期前堆叠，当我想要创建projet的截止日期时，第一次提交和操作成功通过，但第二次提交和操作给我以下错误：

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您试图从包含两条记录的记录集中获取一个记录值，循环

self

以获取

project\u id

的值，以及为什么尝试从元组中获取

id属性？

谢谢@Kenly我的问题解决了

Traceback (most recent call last):
  File "D:\Odoo 11.0\server\odoo\fields.py", line 936, in __get__
    value = record.env.cache.get(record, self)
  File "D:\Odoo 11.0\server\odoo\api.py", line 960, in get
    value = self._data[field][record.id][key]
KeyError: <odoo.api.Environment object at 0x000000000B34F550>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\Odoo 11.0\server\odoo\http.py", line 647, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "D:\Odoo 11.0\server\odoo\http.py", line 307, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "D:\Odoo 11.0\server\odoo\tools\pycompat.py", line 87, in reraise
    raise value
  File "D:\Odoo 11.0\server\odoo\http.py", line 689, in dispatch
    result = self._call_function(**self.params)
  File "D:\Odoo 11.0\server\odoo\http.py", line 339, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "D:\Odoo 11.0\server\odoo\service\model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "D:\Odoo 11.0\server\odoo\http.py", line 332, in checked_call
    result = self.endpoint(*a, **kw)
  File "D:\Odoo 11.0\server\odoo\http.py", line 933, in __call__
    return self.method(*args, **kw)
  File "D:\Odoo 11.0\server\odoo\http.py", line 512, in response_wrap
    response = f(*args, **kw)
  File "D:\Odoo 11.0\server\odoo\addons\web\controllers\main.py", line 872, in search_read
    return self.do_search_read(model, fields, offset, limit, domain, sort)
  File "D:\Odoo 11.0\server\odoo\addons\web\controllers\main.py", line 894, in do_search_read
    offset=offset or 0, limit=limit or False, order=sort or False)
  File "D:\Odoo 11.0\server\odoo\models.py", line 4169, in search_read
    result = records.read(fields)
  File "D:\Odoo 11.0\server\odoo\models.py", line 2535, in read
    values[name] = field.convert_to_read(record[name], record, use_name_get)
  File "D:\Odoo 11.0\server\odoo\models.py", line 4688, in __getitem__
    return self._fields[key].__get__(self, type(self))
  File "D:\Odoo 11.0\server\odoo\fields.py", line 940, in __get__
    self.determine_value(record)
  File "D:\Odoo 11.0\server\odoo\fields.py", line 1051, in determine_value
    self.compute_value(recs)
  File "D:\Odoo 11.0\server\odoo\fields.py", line 1007, in compute_value
    self._compute_value(records)
  File "D:\Odoo 11.0\server\odoo\fields.py", line 998, in _compute_value
    getattr(records, self.compute)()
  File "D:\Odoo 11.0\server\odoo\addons\dev\models\delais.py", line 24, in _delai_arret
    domaine = ('project_ids', '=', self.project_ids).id
  File "D:\Odoo 11.0\server\odoo\fields.py", line 934, in __get__
    record.ensure_one()
  File "D:\Odoo 11.0\server\odoo\models.py", line 4296, in ensure_one
    raise ValueError("Expected singleton: %s" % self)
ValueError: Expected singleton: delais.delais(2, 18)

    

def _delai_arret(self):
            domaine = ('project_ids', '=', self.project_ids).id
            dict = self.env['mission.mission'].search_read([domaine], ['nbr_mission'])
            # print(dict)
            if not dict:
                pass
            else:
                somme = 0
                for key in dict:
                    # print(key['nbr_mission'])
                    somme = somme + key['nbr_mission'] / 30
                    # print('la somme est : {somme}')
                    self.delai_arr_mois = somme
                    # print(somme)