Hi, Britto,
Thank you very much for your reply!
I tried form.instance.article = *self.*request.POST.get('article'), I still
got an error shown below.
RelatedObjectDoesNotExist at /articles/2/comment/
Comment has no article.
Request Method: POST
Request URL: http://127.0.0.1:8000/articles/2/comment/
Django Version: 2.1.5
Exception Type: RelatedObjectDoesNotExist
Exception Value:
Comment has no article.
Exception Location:
/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py
in __get__, line 188
Python Executable:
/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/bin/python
Python Version: 3.6.5
When I tried print(dir(self.request.POST)), I got the below.
['__class__', '__contains__', '__copy__', '__deepcopy__', '__delattr__',
'__delitem__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__',
'__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__',
'__hash__', '__init__', '__init_subclass__', '__iter__', '__le__',
'__len__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__',
'__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__setstate__',
'__sizeof__', '__str__', '__subclasshook__', '__weakref__',
'_assert_mutable', '_encoding', '_getlist', '_mutable', 'appendlist',
'clear', 'copy', 'dict', 'encoding', 'fromkeys', 'get', 'getlist', 'items',
'keys', 'lists', 'pop', 'popitem', 'setdefault', 'setlist',
'setlistdefault', 'update', 'urlencode', 'values']
When I tried print(self.request.POST.items), I got the blow, for example.
<bound method MultiValueDict.items of <QueryDict: {'csrfmiddlewaretoken':
['qRGlWdPTX9qxpFidwKT8bvY3vWXx5caE2wJZSQTtyWodYSICmW4yMwXG3FAn9oQk'],
'comment': ['I am maru'], 'article': ['2']}>>
I typed the message ('I am maru') and needed to specify the article that I
made the message to. I needed to set fields = ('comment','article',) in
CommentCreateView, otherwise, I get an error like the below.
RelatedObjectDoesNotExist at /articles/2/comment/
Comment has no article.
Request Method: POST
Request URL: http://127.0.0.1:8000/articles/2/comment/
Django Version: 2.1.5
Exception Type: RelatedObjectDoesNotExist
Exception Value:
Comment has no article.
Exception Location:
/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py
in __get__, line 188
Python Executable:
/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/bin/python
I tried other listed attributes, but seems like I could not find 'article'
information.
When I set the article field and choose an article, I get like 'article':
['2'].
Regarding user, by adding form.instance.author = self.request.user,
'author' was automatically set without choosing it in the form. But, I did
not see any author information when I tried several
print(self.request.POST.XXX)
thing.
When I tried print(self.request.user), the user was printed in terminal.
But, when I tried print(self.request.POST.user), I got an error like below.
AttributeError at /articles/2/comment/
'QueryDict' object has no attribute 'user'
Request Method: POST
Request URL: http://127.0.0.1:8000/articles/2/comment/
Django Version: 2.1.5
Exception Type: AttributeError
Exception Value:
'QueryDict' object has no attribute 'user'
When I set the article field, and choose an article in the comment form, I
tried print(form.instance.article). Then, the article I chose was printed
in the terminal.
So, seems like form.instance.article is correct.
But how can I set the right part?
form.instance.article = self.response.XXXXX???
Where is the user information?
I successfully can access to user by self.request.user, but currently I
have no idea how to access to article information.
Sorry, any advice I can try would be really appreciated!
Looking forward to hearing advice.
Best regards,
Nori
On Saturday, April 27, 2019 at 10:41:14 PM UTC-4, SimpleHumble wrote:
>
> The best way to debug it is add a print function with dir function just
> before the error occurring line and see what are available attributes in
> request.POST object like this print(dir("========", request.POST,
> "========")) . Also without dir function will show what is available in
> POST.
> Look at the terminal after running development server and your action to
> trigger error, see what are the attributes available for your request.
>
> Probably you have to set form.instance.article = request.POST.get('article')
> would work.
>
> Regards
> Britto
>
>
> On Sun, 28 Apr 2019 at 02:56, Atsunori Kaneshige <[email protected]
> <javascript:>> wrote:
>
>> Sorry, when I make a comment, I get this error.
>>
>> Any advice would be really appreciated!
>>
>>
>>
>> AttributeError at /articles/2/comment/
>>
>> 'WSGIRequest' object has no attribute 'article'
>>
>> Request Method: POST
>> Request URL: http://127.0.0.1:8000/articles/2/comment/
>> Django Version: 2.1.5
>> Exception Type: AttributeError
>> Exception Value:
>>
>> 'WSGIRequest' object has no attribute 'article'
>>
>> Exception Location:
>> /Users/Koitaro/Desktop/Web_Development/MMBlog/articles/views.py
>> in form_valid, line 75
>> Python Executable:
>> /Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/bin/python
>> Python Version: 3.6.5
>> Python Path:
>>
>> ['/Users/Koitaro/Desktop/Web_Development/MMBlog',
>> '/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python36.zip',
>> '/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python3.6',
>>
>> '/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python3.6/lib-dynload',
>> '/Applications/anaconda3/lib/python3.6',
>>
>> '/Users/Koitaro/.local/share/virtualenvs/MMBlog-58h299OP/lib/python3.6/site-packages']
>>
>> Server time: Sat, 27 Apr 2019 21:24:45 +0000
>>
>>
>> On Saturday, April 27, 2019 at 5:07:19 PM UTC-4, Atsunori Kaneshige wrote:
>>>
>>> I really appreciate if anybody could give me an advice about form_valid.
>>>
>>> Here is what I want to do.
>>> I am making a simple blog.
>>> I am making simple features:
>>> 1) only superuser can create articles.
>>> 2) logged-in users can make comments to articles.
>>>
>>> I followed along tutorials and mostly done.
>>> *But last thing I want to do is that when users make comments to any
>>> articles, I want author field and article field to be automatically set.*
>>> *Currently, users need to choose author field and article field to make
>>> comments as well as comment texts.*
>>>
>>> The tutorial that I followed along uses form_valid and by using
>>> form_valid, now I don't need to choose author.
>>> But I have been struggling with how to automatically set article field
>>> by using form_valid.
>>>
>>> I have a simple models.py and views.py below.
>>>
>>> <models.py>
>>>
>>> class Article(models.Model):
>>> title = models.CharField(max_length=255)
>>> body = models.TextField()
>>> date = models.DateTimeField(auto_now_add=True)
>>> author = models.ForeignKey(
>>> get_user_model(),
>>> on_delete=models.CASCADE,
>>> )
>>>
>>> def __str__(self):
>>> return self.title
>>>
>>> def get_absolute_url(self):
>>> return reverse('article_detail', args=[str(self.id)])
>>>
>>> class Comment(models.Model): # new
>>> article = models.ForeignKey(
>>> Article,
>>> on_delete=models.CASCADE,
>>> related_name = 'comments',
>>> )
>>> comment = models.CharField(max_length=140)
>>> author = models.ForeignKey(
>>> get_user_model(),
>>> on_delete=models.CASCADE,
>>> )
>>>
>>> def __str__(self):
>>> return self.comment
>>>
>>> def get_absolute_url(self):
>>> return reverse('article_list')
>>>
>>> <views.py>
>>> ...(not showing all)
>>> #for comment
>>> class ArticleCommentCreateView(LoginRequiredMixin, CreateView):
>>> model = Comment
>>> template_name = 'article_comment_new.html'
>>> fields = ('comment',)
>>> login_url = 'login'
>>>
>>> def form_valid(self, form):
>>> form.instance.author = self.request.user
>>> *form.instance.article = self.request.article*
>>> return super().form_valid(form)
>>>
>>> I keep getting errors with this code.
>>> I know that *form.instance.article = self.request.article* is something
>>> wrong, but I am having hard time to figure out how to set article field to
>>> be automatically set.
>>>
>>>
>>> Please give any advice about this.
>>> I really appreciate.
>>>
>>> Looking forward to hearing from anyone.
>>>
>>> Best regards,
>>>
>>> Nori
>>>
>>>
>>>
>>>
>>> --
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