django-views

问题 TO SAVE DATA that is inputted in form in Django i tried tomake it like this I put this in my model.py class Item(models.Model): CATEGORY = ( ('Gudang Kering', 'Gudang Kering'), ('Gudang Basah','Gudang Basah'), ) name = models.CharField(max_length=200,null= True) stock = models.IntegerField(default='0', blank=False, null=True) category = models.CharField(max_length=200,null= True,choices=CATEGORY) reorderlevel = models.IntegerField(default='0', blank=False, null=True) maxreorderlevel = models

问题 I have a string with valid python dictionary inside data = "Some string created {'Foo': u'1002803', 'Bar': 'value'} string continue etc." I need to extract that dict. I tried with regex but for some reason re.search(r"\{(.*?)\}", data) did not work. Is there any better way extract this dict? 回答1: From @AChampion's suggestion. >>> import re >>> import ast >>> x = ast.literal_eval(re.search('({.+})', data).group(0)) >>> x {'Bar': 'value', 'Foo': '1002803'} so the pattern you're looking for is

问题 I have a string with valid python dictionary inside data = "Some string created {'Foo': u'1002803', 'Bar': 'value'} string continue etc." I need to extract that dict. I tried with regex but for some reason re.search(r"\{(.*?)\}", data) did not work. Is there any better way extract this dict? 回答1: From @AChampion's suggestion. >>> import re >>> import ast >>> x = ast.literal_eval(re.search('({.+})', data).group(0)) >>> x {'Bar': 'value', 'Foo': '1002803'} so the pattern you're looking for is

问题 I would like to convert a a values_list field with a datetime object to a date object. .values_list('time_finished', flat=True) gives me "2016-03-22T18:52:53.486Z" and what I would like is "2016-03-22" Thank you! 回答1: You can use datetime.datetime.date() method to get datetime.date object: >>> dt = datetime.datetime.now() >>> dt datetime.datetime(2016, 4, 12, 15, 54, 48, 401418) >>> dt.date() datetime.date(2016, 4, 12) Use datetime.datetime.strftime to get string: >>> dt.strftime('%Y-%m-%d')

问题 I am creating a Q&A website for practice, I created the answer and the question model and linked them together, however I can not access the template that I set for the deletion of the answer model, I created a DeleteView to delete the question. Here is the code: views.py : class Politics_post_details(DeleteView): model = PoliticsPost context_object_name = 'politicsposts' pk_url_kwarg = 'qid' def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) # now you can get

问题 I am creating a Q&A website for practice, I created the answer and the question model and linked them together, however I can not access the template that I set for the deletion of the answer model, I created a DeleteView to delete the question. Here is the code: views.py : class Politics_post_details(DeleteView): model = PoliticsPost context_object_name = 'politicsposts' pk_url_kwarg = 'qid' def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) # now you can get

问题 I have two view functions in my views.py. The first one renders the index.html Second is created for the form action on index.html (update_db). When I click on submit on the index.html file, it changes url to /update1, but the function call has print('HI') and I cannot see that on console. Neither are any new files created after it runs. Intially I had return render(request, 'index.html', {} ) but I am not sure if that should be returned. Is there some problem with my urls.py? views.py from

问题 I have been working on this one for a few days and have re-worked how i'd like to handle this functionality on my fantasy sports website: Objective : limit the number of players allowed on a fantasy owner's roster. Django out-of-the-box User = Owner # models.py class Player(models.Model): player_full = models.CharField(max_length=50) player_owner = models.ForeignKey(User, blank=True, null=True, on_delete=models.SET_NULL) image = models.ImageField(default='default_player.jpg', upload_to=

问题 I have been working on this one for a few days and have re-worked how i'd like to handle this functionality on my fantasy sports website: Objective : limit the number of players allowed on a fantasy owner's roster. Django out-of-the-box User = Owner # models.py class Player(models.Model): player_full = models.CharField(max_length=50) player_owner = models.ForeignKey(User, blank=True, null=True, on_delete=models.SET_NULL) image = models.ImageField(default='default_player.jpg', upload_to=

问题 I have a Django application and I wanna create an update form with ModelForm but I have to get the fields parameter from user_profile model. So I have created my form and view such as below. forms.py; class UpdateForm(forms.ModelForm): class Meta: model = Data fields = [] def __init__(self, *args, **kwargs): input_choices = kwargs.pop('input_choices') super(UpdateForm, self).__init__(*args,**kwargs) self.fields = input_choices views.py; @login_required(login_url = "user:login") def updateData