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python - Odoo 13：通过创建功能创建多条记录

问题描述

这是我在 Odoo13 中编写的第一个创建函数。我想得到两个日期begin_date和end_date之间的时间段，日期应该保存在一个列表中。从这个列表中，我想为列表中的每一天为单个员工创建记录。但我的代码似乎不正确，我得到了这种错误： AttributeError: 'NoneType' object has no attribute 'id'

这是我的代码：

from datetime import timedelta, datetime, date
from calendar import monthrange


from odoo import api, fields, models, tools
from odoo.exceptions import UserError, AccessError, ValidationError
from odoo.tools import date_utils


class TimeOff(models.Model):
    _name = 'project.timeoff'
    _rec_name = 'employ_id'

    employ_id = fields.Many2one('hr.employee', string='Employee', required='1')

    date = fields.Date('Date', required=True, index=True,
                       default=fields.Date.context_today)

    begin_date = fields.Datetime(
        'First Day of Leave', required='1')

    day_hours = fields.Integer('Off hours per day', default='8', required='1')
    end_date = fields.Datetime(
        'Last Day of Leave')

###### create function #######
    @api.model
    def create(self, vals):
        range_date = []    # empty list
        if self.employ_id: # check if field has value
            if self.begin_date and self.end_date: # check if field has value
                range_date = self.calc_dates(
                    self.begin_date, self.end_date, mode='date') # call custom function and expect a list to be returned
                if range_date is None:
                    raise ValidationError("Something went wrong") # list is empty
                else: # iterate through list and create record for each date 
                    for day in range_date:
                        vals = {
                            'employ_id': self.employ_id,
                            'begin_date': day}
                        return super(TimeOff, self).create(vals)

### custom function to get all dates between begin_date and end_date #####

    def calc_dates(self, date1, date2, mode='date'):
        date_from = fields.Date.from_string(date1)
        date_to = fields.Date.from_string(date2)

        delta = date_to - date_from

        if delta.days < 0: 
            return None

        dates = []

        for n in range(delta.days + 1):
            if mode == 'date':  # returns dates as date format
                dates.append(date_from + timedelta(days=n))
            if mode == 'string': # returns dates as string format
                dates.append(fields.Date.to_string(
                    date_from + timedelta(days=n)))
        return dates

所以当我按下创建时，我得到了这个错误：

Error:
Odoo Server Error

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 624, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 310, in _handle_exception
    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])
  File "/usr/lib/python3/dist-packages/odoo/tools/pycompat.py", line 14, in reraise
    raise value
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 669, in dispatch
    result = self._call_function(**self.params)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 350, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 339, in checked_call
    result = self.endpoint(*a, **kw)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 915, in __call__
    return self.method(*args, **kw)
  File "/usr/lib/python3/dist-packages/odoo/http.py", line 515, in response_wrap
    response = f(*args, **kw)
  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1327, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/usr/lib/python3/dist-packages/odoo/addons/web/controllers/main.py", line 1319, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/usr/lib/python3/dist-packages/odoo/api.py", line 385, in call_kw
    result = _call_kw_model_create(method, model, args, kwargs)
  File "/usr/lib/python3/dist-packages/odoo/api.py", line 366, in _call_kw_model_create
    return result.id if isinstance(args[0], Mapping) else result.ids
AttributeError: 'NoneType' object has no attribute 'id'

要么我不能在这个问题上使用自我，要么退货有问题

标签： pythondateodoorecordodoo-13

解决方案

由于self是一个空记录集，self.employ_id将被评估为False并且 Odoo 不会执行 if 语句，然后将返回默认值None。

您可以使用val 列表调用super（不返回结果），但这会改变 create 方法的行为，它应该从.vals

您可以使用向导来创建project.timeoff记录。

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