[英]Passing multiple parameters to Django URL - unexpected keyword argument
[英]Passing multiple parameters to Django URL
我有LodgingOffer模型,可以在其中創建和提供要約並詳細說明其數據:
class LodgingOffer(models.Model):
# Foreign Key to my User model
created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
ad_title = models.CharField(null=False, blank=False,
max_length=255, verbose_name='Título de la oferta')
slug = models.SlugField(max_length=100, blank=True)
country = CountryField(blank_label='(Seleccionar país)', verbose_name='Pais')
city = models.CharField(max_length=255, blank = False, verbose_name='Ciudad')
def __str__(self):
return "%s" % self.ad_title
pub_date = models.DateTimeField(
auto_now_add=True,
)
def get_absolute_url(self):
return reverse('host:detail', kwargs = {'slug' : self.slug })
# I assign slug to offer based in ad_title field,checking if slug exist
def create_slug(instance, new_slug=None):
slug = slugify(instance.ad_title)
if new_slug is not None:
slug = new_slug
qs = LodgingOffer.objects.filter(slug=slug).order_by("-id")
exists = qs.exists()
if exists:
new_slug = "%s-%s" % (slug, qs.first().id)
return create_slug(instance, new_slug=new_slug)
return slug
# Brefore to save, assign slug to offer created above.
def pre_save_article_receiver(sender, instance, *args, **kwargs):
if not instance.slug:
instance.slug = create_slug(instance)
pre_save.connect(pre_save_article_receiver, sender=LodgingOffer)
對於此模型,我有一個名為HostingOfferDetailView
DetailView
,其中顯示了LodgingOffer
對象的數據
一個重要的LodgingOffer
條件是,在LodgingOffer
記錄的詳細信息中,我可以聯系要約的所有者(創建要約的用戶)以向她申請。
為此,我具有contact_owner_offer()
函數,該函數用於向所有者報價發送電子郵件。 我在HostingOfferDetailView
中通過這種方式所做的所有事情:
class HostingOfferDetailView(UserProfileDataMixin, LoginRequiredMixin, DetailView):
model = LodgingOffer
template_name = 'lodgingoffer_detail.html'
context_object_name = 'lodgingofferdetail'
def get_context_data(self, **kwargs):
context = super(HostingOfferDetailView, self).get_context_data(**kwargs)
user = self.request.user
# LodgingOffer object
#lodging_offer_owner = self.get_object()
# Get the full name of the lodging offer owner
lodging_offer_owner_full_name = self.get_object().created_by.get_long_name()
# Get the lodging offer email owner
lodging_offer_owner_email = self.get_object().created_by.email
# Get the lodging offer title
lodging_offer_title = self.get_object().ad_title
# Get the user interested email in lodging offer
user_interested_email = user.email
# Get the user interested full name
user_interested_full_name = user.get_long_name()
context['user_interested_email'] = user_interested_email
# Send the data (lodging_offer_owner_email
# user_interested_email and lodging_offer_title) presented
# above to the contact_owner_offer function
contact_owner_offer(self.request, lodging_offer_owner_email,
user_interested_email, lodging_offer_title)
return context
我的contact_owner_offer
函數接收這些參數要約,並通過以下方式將電子郵件發送給要約的所有者:
def contact_owner_offer(request, lodging_offer_owner_email, user_interested_email, lodging_offer_title):
user = request.user
# print(lodging_offer_owner_email, user_interested_email)
if user.is_authenticated:
# print('Send email')
mail_subject = 'Interest in your offer'
context = {
'lodging_offer_owner_email': lodging_offer_owner_email,
# User offer owner - TO
'offer': lodging_offer_title,
# offer title
'user_interested_email': user_interested_email,
# user interested in the offer
'domain': settings.SITE_URL,
'request': request
}
message = render_to_string('contact_user_own_offer.html', context)
send_mail(mail_subject, message, settings.DEFAULT_FROM_EMAIL,
[lodging_offer_owner_email], fail_silently=True)
直到這里,所有的工作。 一切正常,當我輸入要約的詳細信息時,我會向所有者要約發送電子郵件。
我的意圖是在模板提供的報價詳細信息中,呈現一個對聯系所有者報價有用的按鈕,然后,我繼續定義我的URL,該URL調用contact_owner_offer()
函數
我根據接收contact_owner_offer()
函數的參數定義url:
這意味着(根據我的理解-我不知道我是否錯-),我的url應該會收到住宿優惠所有者的電子郵件,對該優惠感興趣的用戶的電子郵件以及住宿優惠標題,為此,我創建以下URL:
url(r'^contact-to-owner/(?P<email>[\w.@+-]+)/'
r'(?P<email>[\w.@+-]+)/(?P<slug>[\w-]+)/$',
contact_owner_offer, name='contact_owner_offer'),
但是,當我在URL上方定義此消息時,會收到以下消息:
File "/home/bgarcial/.virtualenvs/hostayni/lib/python3.6/sre_parse.py", line 759, in _parse
raise source.error(err.msg, len(name) + 1) from None
sre_constants.error: redefinition of group name 'email' as group 2; was group 1 at position 43
django.core.exceptions.ImproperlyConfigured: "^contact-to-owner/(?P<email>[\w.@+-]+)/(?P<email>[\w.@+-]+)/(?P<slug>[\w-]+)/$" is not a valid regular expression: redefinition of group name 'email' as group 2; was group 1 at position 43
在這一刻,我對如何定義與該場景相關的URL感到困惑,並且我也想知道如何在住宿報價模板詳細信息的按鈕中調用此URL。
我是這樣打電話的,但是我不知道我是否很刻薄:
<div class="contact">
<a class="contact-button" href="{% url 'host:contact_owner_offer' email=lodgingofferdetail.created_by.email email=user_interested_email slug=lodgingofferdetail.slug %}">
<img src="{% static 'img/icons/contact.svg' %}" alt="">
<span>Contact to owner offer</span>
</a>
</div>
我對此有所了解。
最好的祝福
您在正則表達式中有兩個具有相同名稱的組。 更改正則表達式以對URL中的每個組進行不同的命名。
url(r'^contact-to-owner/(?P<owner_email>[\w.@+-]+)/'
r'(?P<interested_email>[\w.@+-]+)/(?P<slug>[\w-]+)/$',
contact_owner_offer, name='contact_owner_offer'),
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