Django and HTMX - AttributeError: 'int' object has no attribute 'get'
Django and HTMX - AttributeError: 'int' object has no attribute 'get'
我正在尝试使这个 POST 调用与 Django 一起工作：
<span id="quantity-in-cart">{{item.quantity_in_cart}}</span>
<button class="btn btn-success btn-sm" hx-post="/cart/add/1/" hx-target="#quantity-in-cart" hx-swap="outerHTML">+</button>
但是，当我单击执行 POST 调用的按钮时，出现此错误：
Internal Server Error: /cart/add/4/
Traceback (most recent call last):
File "/home/neisor/.local/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/neisor/.local/lib/python3.9/site-packages/django/utils/deprecation.py", line 119, in __call__
response = self.process_response(request, response)
File "/home/neisor/.local/lib/python3.9/site-packages/django/middleware/clickjacking.py", line 26, in process_response
if response.get('X-Frame-Options') is not None:
AttributeError: 'int' object has no attribute 'get'
[22/Mar/2022 12:47:01] "POST /cart/add/4/ HTTP/1.1" 500 66757
我的模板中 <body> 标签末尾也有这个：
<script>
document.body.addEventListener('htmx:configRequest', (event) => {
event.detail.headers['X-CSRFToken'] = '{{ csrf_token }}';
})
</script>
有什么解决办法吗？
谢谢
编辑：
对应cart/add/<int:product_id>/的视图是这样的：
def add_to_cart(request, product_id):
"""
Cart structure:
{
"items": {
"product_id1": quantity_in_cart,
"product_id2": quantity_in_cart,
...
},
"total_value_in_cart": 0 # in EURO
}
"""
try:
product_id_as_int = int(product_id)
except ValueError:
messages.error(request, 'Produkt, ktorý ste chceli pridať do košíka, nie je správny.')
return redirect(request.META.get('HTTP_REFERER', index))
# Get quantity value from the request (from the form in the template)
quantity = request.POST.get('quantity')
return_only_quantity = False
if not quantity: # If there is no quantity provided, do not redirect and return only amount in cart of the product
return_only_quantity = True
quantity = 1
try:
quantity_as_int = int(quantity)
except ValueError:
messages.error(request, 'Quantity to add to cart is not correct.')
return redirect(request.META.get('HTTP_REFERER', index))
check_if_cart_exists_in_sessions(request)
cart = request.session['cart']
cart_items = cart['items']
try:
product = Product.objects.get(pk=product_id_as_int)
except Product.DoesNotExist:
messages.error(request, 'Product does not exist.')
return redirect(request.META.get('HTTP_REFERER', index))
product_id_as_string = str(product_id)
# Check if such a product is already in the cart_items
if cart_items.get(product_id_as_string):
cart_items[product_id_as_string] += quantity_as_int
request.session.modified = True # Save the modification
else: # If such a product does not yet exist in the cart_items
cart_items[product_id_as_string] = quantity_as_int
# Count total_value_in_cart
count_total_value_in_cart(request)
if return_only_quantity:
return cart_items[product_id_as_string]
else:
messages.success(request, f'Inserted in cart.')
return redirect(request.META.get('HTTP_REFERER', index))
此视图用于将商品添加到购物车。它也从应用程序的其他部分发送一个带有数量的表格。但是从这个特定的视图中，我只想点击一个按钮，向这个视图发送一个 POST 请求，在 return 中，只需将数量 1 添加到所提供的 product_id 的购物车中.
问题出在这一行：
return cart_items[product_id_as_string]
Django 需要 HTTP 响应。如果您只想显示数字，请将其替换为：
return HttpResponse(cart_items[product_id_as_string])
我正在尝试使这个 POST 调用与 Django 一起工作：
<span id="quantity-in-cart">{{item.quantity_in_cart}}</span>
<button class="btn btn-success btn-sm" hx-post="/cart/add/1/" hx-target="#quantity-in-cart" hx-swap="outerHTML">+</button>
但是，当我单击执行 POST 调用的按钮时，出现此错误：
Internal Server Error: /cart/add/4/
Traceback (most recent call last):
File "/home/neisor/.local/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
response = get_response(request)
File "/home/neisor/.local/lib/python3.9/site-packages/django/utils/deprecation.py", line 119, in __call__
response = self.process_response(request, response)
File "/home/neisor/.local/lib/python3.9/site-packages/django/middleware/clickjacking.py", line 26, in process_response
if response.get('X-Frame-Options') is not None:
AttributeError: 'int' object has no attribute 'get'
[22/Mar/2022 12:47:01] "POST /cart/add/4/ HTTP/1.1" 500 66757
我的模板中 <body> 标签末尾也有这个：
<script>
document.body.addEventListener('htmx:configRequest', (event) => {
event.detail.headers['X-CSRFToken'] = '{{ csrf_token }}';
})
</script>
有什么解决办法吗？
谢谢
编辑：
对应cart/add/<int:product_id>/的视图是这样的：
def add_to_cart(request, product_id):
"""
Cart structure:
{
"items": {
"product_id1": quantity_in_cart,
"product_id2": quantity_in_cart,
...
},
"total_value_in_cart": 0 # in EURO
}
"""
try:
product_id_as_int = int(product_id)
except ValueError:
messages.error(request, 'Produkt, ktorý ste chceli pridať do košíka, nie je správny.')
return redirect(request.META.get('HTTP_REFERER', index))
# Get quantity value from the request (from the form in the template)
quantity = request.POST.get('quantity')
return_only_quantity = False
if not quantity: # If there is no quantity provided, do not redirect and return only amount in cart of the product
return_only_quantity = True
quantity = 1
try:
quantity_as_int = int(quantity)
except ValueError:
messages.error(request, 'Quantity to add to cart is not correct.')
return redirect(request.META.get('HTTP_REFERER', index))
check_if_cart_exists_in_sessions(request)
cart = request.session['cart']
cart_items = cart['items']
try:
product = Product.objects.get(pk=product_id_as_int)
except Product.DoesNotExist:
messages.error(request, 'Product does not exist.')
return redirect(request.META.get('HTTP_REFERER', index))
product_id_as_string = str(product_id)
# Check if such a product is already in the cart_items
if cart_items.get(product_id_as_string):
cart_items[product_id_as_string] += quantity_as_int
request.session.modified = True # Save the modification
else: # If such a product does not yet exist in the cart_items
cart_items[product_id_as_string] = quantity_as_int
# Count total_value_in_cart
count_total_value_in_cart(request)
if return_only_quantity:
return cart_items[product_id_as_string]
else:
messages.success(request, f'Inserted in cart.')
return redirect(request.META.get('HTTP_REFERER', index))
此视图用于将商品添加到购物车。它也从应用程序的其他部分发送一个带有数量的表格。但是从这个特定的视图中，我只想点击一个按钮，向这个视图发送一个 POST 请求，在 return 中，只需将数量 1 添加到所提供的 product_id 的购物车中.
问题出在这一行：
return cart_items[product_id_as_string]
Django 需要 HTTP 响应。如果您只想显示数字，请将其替换为：
return HttpResponse(cart_items[product_id_as_string])