我花了很多时间试图找出为什么下面的代码不正常工作。我搜索了SO,Python文档& Google,并阅读了django文档,但我仍然无法弄清楚为什么它不起作用。django namedtuple不返回值
基本上,我有一个存储所需字段数据的命名元组。然后,我想调用指定的元组来清除表单中的数据,然后将条目保存/更新到数据库。
例如,当用户选择的address_type为6时,LocalityDisplay为False。然后在表单的验证中,如果atype_config.LocalityDisplay == False:应该被触发,并且address_locality中的值应该被移除,这意味着没有值应该被保存到数据库的address_locality。我已经使用返回value.strip()其他在我的forms.py中,它运作良好。
我不确定我是否已经在编码命名的元组造成命名元组做了一个根本性的错误不能被正确索引,或者如果我已经编写了如果atype_config.LocalityDisplay ==错误:错误条件或取得了一些其他错误我看不到。
没有显示错误,如果atype_config.LocalityDisplay == False:显示没有被触发/到达。
这里是我的代码:
forms.py
from collections import namedtuple
RequiredFields = namedtuple('RequiredFields', ['LocalityDisplay', 'LocalityRequired', 'RegionDisplay', 'RegionRequired', 'PostcodeDisplay', 'PostcodeRequired'])
........... (do some stuff here)
class AddressDetailsForm(forms.ModelForm):
........... (do some stuff here)
REQUIRED_FIELDS = {
0: RequiredFields(LocalityDisplay=True, LocalityRequired=False, RegionDisplay=True, RegionRequired=False, PostcodeDisplay=True, PostcodeRequired=False),
1: RequiredFields(LocalityDisplay=False, LocalityRequired=False, RegionDisplay=True, RegionRequired=True, PostcodeDisplay=True, PostcodeRequired=True),
2: RequiredFields(LocalityDisplay=True, LocalityRequired=True, RegionDisplay=False, RegionRequired=False, PostcodeDisplay=True, PostcodeRequired=True),
3: RequiredFields(LocalityDisplay=True, LocalityRequired=True, RegionDisplay=False, RegionRequired=False, PostcodeDisplay=True, PostcodeRequired=True),
4: RequiredFields(LocalityDisplay=True, LocalityRequired=True, RegionDisplay=False, RegionRequired=False, PostcodeDisplay=True, PostcodeRequired=True),
5: RequiredFields(LocalityDisplay=True, LocalityRequired=True, RegionDisplay=True, RegionRequired=True, PostcodeDisplay=True, PostcodeRequired=True),
6: RequiredFields(LocalityDisplay=False, LocalityRequired=False, RegionDisplay=True, RegionRequired=True, PostcodeDisplay=True, PostcodeRequired=True),
........... (culled for brevity)
285: RequiredFields(LocalityDisplay=True, LocalityRequired=True, RegionDisplay=False, RegionRequired=False, PostcodeDisplay=False, PostcodeRequired=False)
}
........... (do some stuff here)
cd_addf = super(AddressDetailsForm, self).clean()
address_type = cd_addf.get('address_country_style_type', None)
if address_type is None:
# Prior validation will spot this
pass
elif address_type == 0:
self._errors['address_country_style_type'] = self.error_class([_("You must select an Address Format.")])
else:
atype_config = REQUIRED_FIELDS[address_type]
........... (do some stuff here)
if atype_config.LocalityDisplay == False:
def clean_address_locality(self):
value = self.cleaned_data['address_locality']
return value.strip()
........... (do some stuff here)
return cd_addf
我问一个相关的问题here,但并没有解决问题,所以我不知道是什么原因延误?代码不起作用。
你确定'''address_type'''不是'''''''''''''''''''''''''''''''''''''' – schillingt 2014-10-30 00:33:51
schillingt,我通过删除if else条件并只有if atype_config.LocalityDisplay == False:条件来查看该条。问题仍然存在。 – user1261774 2014-10-30 00:49:33
您是否尝试添加一些日志记录以查看执行的执行情况与预期不符? – 2014-10-30 03:35:07