For a 'catalog_product' URL, you need to provide two slug arguments, one
for the category and one for the product. Your permalink function only
provides a value for product_slug, which is why there is no match against
the regex.
You should also rewrite those functions to remove the @permalink decorator
as its use is discouraged and deprecated. Use reverse() in the function
body instead.
-James
Changed the URLS as follows, doesn't seem to have helped much, still
getting the same error..
url(r'^(?P<category_slug>[-\w]+)/$', views.category, name =
'catalog_category' ),
url(r'^(?P<category_slug>[-\w]+)/(?P<product_slug>[-\w]+)/$',
views.product, name = 'catalog_product'),
суббота, 8 августа 2015 г., 0:03:40 UTC+3 пользователь James Schneider
написал:
>
> You don't have a URL named 'catalog_product'. Check your URL's, it looks
> like you are passing an arg and a kwarg to the second pattern.
>
> -James
> On Aug 7, 2015 12:33 PM, "Александр Мусаров" <[email protected]> wrote:
>
>> forgot to paste the model methods
>>
>> @models.permalink
>> def get_absolute_url(self):
>> return ('catalog_category', (), {'category_slug' :
>> self.category_slug })
>>
>> @models.permalink
>> def get_absolute_url(self):
>> return ('catalog_product', {}, {'product_slug':
>> self.product_slug})
>>
>> пятница, 7 августа 2015 г., 21:15:25 UTC+3 пользователь Александр Мусаров
>> написал:
>>>
>>> Hi, just wrapping my head around django, and trying to write an
>>> ecommerce store, when trying to pull out all products belonging to a
>>> category getting such an error
>>>
>>> NoReverseMatch at /catalog/smartphony/
>>>
>>> Reverse for 'catalog_product' with arguments '()' and keyword arguments
>>> '{'product_slug': 'samsung-galaxy-s5-sm-g900f-16gb'}' not found. 0
>>> pattern(s) tried: []
>>>
>>> Request Method: GET Request URL:
>>> http://127.0.0.1:8000/catalog/smartphony/ Django Version: 1.8.2 Exception
>>> Type: NoReverseMatch Exception Value:
>>>
>>> Reverse for 'catalog_product' with arguments '()' and keyword arguments
>>> '{'product_slug': 'samsung-galaxy-s5-sm-g900f-16gb'}' not found. 0
>>> pattern(s) tried: []
>>>
>>> Exception Location:
>>> C:\Users\LAPTOP\djangoenvs\py34\lib\site-packages\django\core\urlresolvers.py
>>> in _reverse_with_prefix, line 496 Python Executable:
>>> C:\Users\LAPTOP\djangoenvs\py34\Scripts\python.exe Python Version: 3.4.3
>>> Python
>>> Path:
>>>
>>> ['C:\\Users\\LAPTOP\\Desktop\\djangodev\\eshop',
>>>
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34\\lib\\site-packages\\setuptools-18.0.1-py3.4.egg',
>>> 'C:\\Windows\\system32\\python34.zip',
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34\\DLLs',
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34\\lib',
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34\\Scripts',
>>> 'C:\\Python34\\Lib',
>>> 'C:\\Python34\\DLLs',
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34',
>>> 'C:\\Users\\LAPTOP\\djangoenvs\\py34\\lib\\site-packages']
>>>
>>> Server time: Пт, 7 Авг 2015 21:07:01 +0300
>>> Error during template rendering
>>>
>>> In template
>>> C:\Users\LAPTOP\Desktop\djangodev\eshop\catalog\templates\categories\category.html,
>>> error at line *17*
>>> Reverse for 'catalog_product' with arguments '()' and keyword arguments
>>> '{'product_slug': 'samsung-galaxy-s5-sm-g900f-16gb'}' not found. 0
>>> pattern(s) tried: [] 7 <ol class="breadcrumb"> 8 <li><a
>>> href="/">Главная</a></li> 9 <li><a href="/catalog/">Каталог</a></li> 10 <li
>>> class="active">{{ c.category_name }}</li> 11 </ol> 12 </div> 13 <h1>{{
>>> c.category_name }}</h1> 14 <br/><br/> 15 {% for p in products %} 16 <div
>>> class = "product_thumbnail">
>>>
>>>
>>> 17 <a href = " {{ p.get_absolute_url }} ">-- Here the debugger shows
>>> the mistake
>>>
>>>
>>> 18 <img src = "{{ MEDIA_URL }}/catalog/products/thumbnails/{{
>>> p.product_image }}" alt = "{{ p.product_name }}" class = "bn" /> 19 <br/>
>>> 20 {{ p.product_name }} 21 </a> 22 </div> 23 {% endfor %} 24
>>> 25 {% endblock %}
>>>
>>>
>>> Here are my URL patterns
>>>
>>> url(r'^(?P<category_slug>[-\w]+)/$', views.category, name =
>>> 'category_detail' ),
>>> url(r'^(?P<category_slug>[-\w]+)/(?P<product_slug>[-\w]+)/$',
>>> views.product, 'catalog_product', name = 'product_detail'),
>>>
>>> Here are the corresponding views
>>>
>>> def category(request, category_slug):
>>> category_list = Category.objects.filter(category_is_active = True)
>>> c = get_object_or_404(Category, category_slug = category_slug)
>>> products = c.product_set.all()
>>> page_title = c.category_name
>>> meta_keywords = c.category_meta_keywords
>>> meta_description = c.category_meta_description
>>> return render(request, 'categories/category.html', locals())
>>>
>>> def product(request, product_slug):
>>> category_list = Category.objects.filter(category_is_active = True)
>>> p = get_object_or_404(Product, product_slug = product_slug)
>>> categories = p.product_categories.all()
>>> page_title = p.product_name
>>> meta_keywords = p.product_meta_keywords
>>> meta_description = p.product_meta_description
>>>
>>> # need to evaluate the HTTP method
>>> if request.method == 'POST':
>>> # add to cart... create the bound form
>>> postdata = request.POST.copy()
>>> form = ProductAddToCartForm(request, postdata)
>>> # check if posted data is valid
>>> if form.is_valid():
>>> # add to cart and redirect to cart page
>>> cart.add_to_cart(request)
>>> # if test cookie worked, get rid of it
>>> if request.session.test_cookie_worked():
>>> request.session.delete_test_cookie()
>>> url = urlresolvers.reverse('show_cart')
>>> return HttpResponseRedirect(url)
>>> else:
>>> # it's a GET, create the unbound form. Note request as a kwarg
>>> form = ProductAddToCartForm(request = request, label_suffix =
>>> ':')
>>> # assign the hidden input the product slug
>>> form.fields['product_slug'].widget.attrs['value'] = product_slug
>>> # set the test cookie on our first GET request
>>> request.session.set_test_cookie()
>>> return render(request, 'products/product.html', locals())
>>>
>>> and here is the part of the corresponding view
>>>
>>> {% for p in products %}
>>> <div class = "product_thumbnail">
>>> <a href = "{{ p.get_absolute_url }}">
>>> <img src = "{{ MEDIA_URL }}/catalog/products/thumbnails/{{
>>> p.product_image }}" alt = "{{ p.product_name }}" class = "bn" />
>>> <br/>
>>> {{ p.product_name }}
>>> </a>
>>> </div>
>>> {% endfor %}
>>>
>>> Thanx in advance )
>>>
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