<p>我正试图找出如何让下面的代码位工作,使一切以元组开始是有效的,例如,如果邮政编码'GU15 56L'是输入它允许邮政编码。目前只有GU15部件在工作(对于本例)。比如从哪里开始,但不确定从哪里开始。你知道吗</p>
<pre><code>class PostCodeForm (forms.Form):
pcode = forms.CharField()
def clean_pcode(self):
permitted = {'GU15','GF34','FG34','BT25'}
pcode = self.cleaned_data['pcode'].lower()
if not pcode in (permitted):
raise forms.ValidationError("Apologies, but does not currently deliver to you postcode.")
return pcode
</code></pre>
<p>提前谢谢你的帮助</p>