Sometime, object is not iterable

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I try to solve this problem but I can't. It has a problem about iteration.

views.py

if borrow:
    borrow_item = Borrow_Item.objects.filter(borrow_id = borrow)
    for it in items:
        it_id = int(it)
        item_id = Item.objects.get(id=it_id)
        count = 0
        for brit in borrow_item:
            if item_id.id == brit.item_id.id:
                count = count+1
                break
        if count == 0:
            borrow_item = Borrow_Item(id=None, borrow_id=borrow, item_id=item_id)
            borrow_item.save()

Sometime, it shows " 'Borrow_Item' object is not iterable ". These are case that it's normal.

  • Choose one new item.
  • Choose more than one, by all items that select has been selected previously.(item is in cart)
  • Choose two item, by choose one item has been selected and that item id less than another item id (new item).

In the case that it causes an error.

  • Choose more than one, by there are at least one item that has id less than existing items id

Sorry, If I can't communicate to you to understand

I believe it's because of the following line:

borrow_item = Borrow_Item.objects.filter(borrow_id = borrow)

You gave to the result of your query the same name of the item you create at the very end, so after the first item creation your queryset becomes a Borrow_Item object, which is not iterable.

Rename it to something else, borrow_items for instance, and it should work:

if borrow:
    borrow_items = Borrow_Item.objects.filter(borrow_id = borrow)
    for it in items:
        it_id = int(it)
        item_id = Item.objects.get(id=it_id)
        count = 0
        for brit in borrow_items:
            if item_id.id == brit.item_id.id:
                count = count+1
                break
        if count == 0:
            borrow_item = Borrow_Item(id=None, borrow_id=borrow, item_id=item_id)
            borrow_item.save()

python int object is not iterable Code Example, #To iterate through all integers from 0 up to, but not including len(sequence), you can specify the needed list, as follows 6. . 7. for� When you write SomeModel.objects.get (), you refer directly to the object, respectively, it is impossible to go through it in a loop, just if the object is not in the database, Django will return an exception, c filter () will not be an exception. Read the Django documentation on database queries to better understand the fine points of ORM.

borrow_item = Borrow_Item.objects.filter(borrow_id = borrow) applies a filter, which will filter out whatever Borrow_Items that don't have that borrow_id. It seems that your third use case causes that to be empty/ or None, and an alike object is not iterable.

you can solve this by:

borrow_item =  Borrow_Item.objects.filter(borrow_id = borrow)
if not borrow_item: 
  print("no items borrowed") 
  break

Keep running into "TypeError: 'int' object is not iterable" error, I've been trying to finish the codecademy course and I always seem to run into this error and I keep changing things to fix it and sometimes I fix … The value which is given as the right hand-side of for…of or as argument of a function such as Promise.all or TypedArray.from, is not an iterable object. An iterable can be a built-in iterable type such as Array, String or Map, a generator result, or an object implementing the iterable protocol.

I've solved my problem! I move borrow_item = Borrow_Item.objects.filter(borrow_id = borrow) into loop as follows.

if borrow:
    for it in items:
        it_id = int(it)
        item_id = Item.objects.get(id=it_id)
        count = 0
        borrow_item = Borrow_Item.objects.filter(borrow_id = borrow)
        for brit in borrow_item:
            if item_id.id == brit.item_id.id:
                count = count+1
                break
        if count == 0:
            borrow_item = Borrow_Item(id=None, borrow_id=borrow, item_id=item_id)
            borrow_item.save()

TypeError: object is not iterable. : learnpython, I am using a dictionary to keep count of the objects I create. After getting for key , value in my_dict: print("{}x {}".format(value, key)) TypeError: "RunePage" object is not iterable. But when I Sometimes you are just blind to your own code man. To know whether an object is iterable or not we can use the dir() method to check for the magic method __iter__. If this magic method is present in the properties of specified objects then that item is said to be iterable

Eman 2.12 - TypeError: 'Transform' object is not iterable, TypeError: 'Transform' object is not iterable but this command We should have another new release sometime in the next month or so. If you are following� You gave to the result of your query the same name of the item you create at the very end, so after the first item creation your queryset becomes a Borrow_Item object, which is not iterable. Rename it to something else, borrow_items for instance, and it should work:

'Rename' object not iterable � Issue #45 � nco/pynco � GitHub, 'Rename' object not iterable #45. Open. seaspatial opened I have also been having this same issue for quite some time. I run into a similar� Home » Python » TypeError: 'NoneType' object is not iterable in Python TypeError: 'NoneType' object is not iterable in Python Posted by: admin November 20, 2017 Leave a comment

"TypeError: 'NoneType' object is not iterable" (76457), glance image getting "TypeError: 'NoneType' object is not iterable". Cause. If vCenter and esxi hosts are not in the same network, sometimes� Now, whether this is desirable or actually works, is just a matter of conventions. As you can see, you can register a non-iterable object as Iterable – and it will raise an exception at runtime. Hence, isinstance acquires a “new” meaning – it just checks for “declared” type compatibility, which is a good way to go in Python.