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Get context from another CBV with Django
The 2019 Stack Overflow Developer Survey Results Are InHow to get the current time in PythonDoes Django scale?How do I get the number of elements in a list in Python?Django UpdateView with ImageField attributeDjango REST Updateview with PUT POSTDisplay a ListView inside a TabView with DjangoDjango 1.11 TypeError at / context must be a dict rather than unicodeDjango how to save time to the forms?Django 1.11 - CreateView - invalid form raises error for nonexistent object attributeDjango problem with having slug in my url while using a class
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I would like to get your help in order to use context from a Django CBV in another CBV through get_context_data().
Objective:
Basically, I have a django ListView() with pagination. I pick up the current page in get_context_data(). Then, I would like to edit an object, so I'm going to UpdateView().
When I post the edit, it should return to the previous pagination. For example, if the object was on page 32, after the POST request, I need to be redirected to page 32.
My code:
class DocumentListView(AdminMixin, CustomListSearchView):
""" Render the list of document """
def get_context_data(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = self.request.GET.get('page', 1)
if actual_page:
context['actual_page'] = actual_page
return context
class DocumentFormView(CustomPermissionRequiredMixin, DocumentListView, UpdateView):
def get_current_page(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = context['actual_page']
return actual_page
def get_context_data(self, **kwargs):
context = super(DocumentFormView, self).get_context_data(**kwargs)
print(self.get_current_page())
...
return context
def post(self, request, pk=None):
...
return render(request, 'app/manage_document_form.html', context)
Issue:
I don't overcome to get the actual_page in my class DocumentFormView.
I got this issue :
AttributeError: 'DocumentFormView' object has no attribute 'object'
I tried to add in my post() function :
self.object = self.get_object()
But it doesn't solve the issue.
Do you have any idea ?
python django django-views django-pagination
asked Mar 8 at 9:45
EssexEssex
2,80212260
add a comment |
I would like to get your help in order to use context from a Django CBV in another CBV through get_context_data().
Objective:
Basically, I have a django ListView() with pagination. I pick up the current page in get_context_data(). Then, I would like to edit an object, so I'm going to UpdateView().
When I post the edit, it should return to the previous pagination. For example, if the object was on page 32, after the POST request, I need to be redirected to page 32.
My code:
class DocumentListView(AdminMixin, CustomListSearchView):
""" Render the list of document """
def get_context_data(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = self.request.GET.get('page', 1)
if actual_page:
context['actual_page'] = actual_page
return context
class DocumentFormView(CustomPermissionRequiredMixin, DocumentListView, UpdateView):
def get_current_page(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = context['actual_page']
return actual_page
def get_context_data(self, **kwargs):
context = super(DocumentFormView, self).get_context_data(**kwargs)
print(self.get_current_page())
...
return context
def post(self, request, pk=None):
...
return render(request, 'app/manage_document_form.html', context)
Issue:
I don't overcome to get the actual_page in my class DocumentFormView.
I got this issue :
AttributeError: 'DocumentFormView' object has no attribute 'object'
I tried to add in my post() function :
self.object = self.get_object()
But it doesn't solve the issue.
Do you have any idea ?
python django django-views django-pagination
asked Mar 8 at 9:45
EssexEssex
2,80212260
This isn't at all what you want to do. It doesn't make any sense to usesuperlike that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from thepageparameter in the form view, it needs to be present in the request for that view.
– Daniel Roseman
Mar 8 at 9:51
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination inListView(). So I don't see how I can pick up data from url through aGETrequest. In myListView(), the url looks like this :http://localhost:8000/crud/document/list/?page=72and in myUpdateView():http://localhost:8000/crud/document/update/150/
– Essex
Mar 8 at 9:59
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08
add a comment |
I would like to get your help in order to use context from a Django CBV in another CBV through get_context_data().
Objective:
Basically, I have a django ListView() with pagination. I pick up the current page in get_context_data(). Then, I would like to edit an object, so I'm going to UpdateView().
When I post the edit, it should return to the previous pagination. For example, if the object was on page 32, after the POST request, I need to be redirected to page 32.
My code:
class DocumentListView(AdminMixin, CustomListSearchView):
""" Render the list of document """
def get_context_data(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = self.request.GET.get('page', 1)
if actual_page:
context['actual_page'] = actual_page
return context
class DocumentFormView(CustomPermissionRequiredMixin, DocumentListView, UpdateView):
def get_current_page(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = context['actual_page']
return actual_page
def get_context_data(self, **kwargs):
context = super(DocumentFormView, self).get_context_data(**kwargs)
print(self.get_current_page())
...
return context
def post(self, request, pk=None):
...
return render(request, 'app/manage_document_form.html', context)
Issue:
I don't overcome to get the actual_page in my class DocumentFormView.
I got this issue :
AttributeError: 'DocumentFormView' object has no attribute 'object'
I tried to add in my post() function :
self.object = self.get_object()
But it doesn't solve the issue.
Do you have any idea ?
python django django-views django-pagination
asked Mar 8 at 9:45
EssexEssex
2,80212260
I would like to get your help in order to use context from a Django CBV in another CBV through get_context_data().
Objective:
Basically, I have a django ListView() with pagination. I pick up the current page in get_context_data(). Then, I would like to edit an object, so I'm going to UpdateView().
When I post the edit, it should return to the previous pagination. For example, if the object was on page 32, after the POST request, I need to be redirected to page 32.
My code:
class DocumentListView(AdminMixin, CustomListSearchView):
""" Render the list of document """
def get_context_data(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = self.request.GET.get('page', 1)
if actual_page:
context['actual_page'] = actual_page
return context
class DocumentFormView(CustomPermissionRequiredMixin, DocumentListView, UpdateView):
def get_current_page(self, **kwargs):
context = super(DocumentListView, self).get_context_data(**kwargs)
actual_page = context['actual_page']
return actual_page
def get_context_data(self, **kwargs):
context = super(DocumentFormView, self).get_context_data(**kwargs)
print(self.get_current_page())
...
return context
def post(self, request, pk=None):
...
return render(request, 'app/manage_document_form.html', context)
Issue:
I don't overcome to get the actual_page in my class DocumentFormView.
I got this issue :
AttributeError: 'DocumentFormView' object has no attribute 'object'
I tried to add in my post() function :
self.object = self.get_object()
But it doesn't solve the issue.
Do you have any idea ?
python django django-views django-pagination
python django django-views django-pagination
asked Mar 8 at 9:45
EssexEssex
2,80212260
asked Mar 8 at 9:45
EssexEssex
2,80212260
asked Mar 8 at 9:45
EssexEssex
2,80212260
asked Mar 8 at 9:45
EssexEssex
2,80212260
asked Mar 8 at 9:45
EssexEssex
2,80212260
2,80212260
This isn't at all what you want to do. It doesn't make any sense to usesuperlike that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from thepageparameter in the form view, it needs to be present in the request for that view.
– Daniel Roseman
Mar 8 at 9:51
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination inListView(). So I don't see how I can pick up data from url through aGETrequest. In myListView(), the url looks like this :http://localhost:8000/crud/document/list/?page=72and in myUpdateView():http://localhost:8000/crud/document/update/150/
– Essex
Mar 8 at 9:59
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08
add a comment |
This isn't at all what you want to do. It doesn't make any sense to usesuperlike that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from thepageparameter in the form view, it needs to be present in the request for that view.
– Daniel Roseman
Mar 8 at 9:51
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination inListView(). So I don't see how I can pick up data from url through aGETrequest. In myListView(), the url looks like this :http://localhost:8000/crud/document/list/?page=72and in myUpdateView():http://localhost:8000/crud/document/update/150/
– Essex
Mar 8 at 9:59
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08
This isn't at all what you want to do. It doesn't make any sense to use
super like that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from the page parameter in the form view, it needs to be present in the request for that view.– Daniel Roseman
Mar 8 at 9:51
This isn't at all what you want to do. It doesn't make any sense to use
super like that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from the page parameter in the form view, it needs to be present in the request for that view.– Daniel Roseman
Mar 8 at 9:51
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination in
ListView(). So I don't see how I can pick up data from url through a GET request. In my ListView(), the url looks like this : http://localhost:8000/crud/document/list/?page=72 and in my UpdateView() : http://localhost:8000/crud/document/update/150/– Essex
Mar 8 at 9:59
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination in
ListView(). So I don't see how I can pick up data from url through a GET request. In my ListView(), the url looks like this : http://localhost:8000/crud/document/list/?page=72 and in my UpdateView() : http://localhost:8000/crud/document/update/150/– Essex
Mar 8 at 9:59
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08
add a comment |
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This isn't at all what you want to do. It doesn't make any sense to use
superlike that, let alone have two separate methods calling two separate super methods. But quite apart from anything else, the data is coming from the request; if you need the value from thepageparameter in the form view, it needs to be present in the request for that view.– Daniel Roseman
Mar 8 at 9:51
@DanielRoseman Ok, but if I understand well the url according to my form view doesn't display any information from pagination in
ListView(). So I don't see how I can pick up data from url through aGETrequest. In myListView(), the url looks like this :http://localhost:8000/crud/document/list/?page=72and in myUpdateView():http://localhost:8000/crud/document/update/150/– Essex
Mar 8 at 9:59
If it's not in the URL there is no way your view can get it. Your code is doubly mistaken in that case. You need to actually include the parameter in the URL you use for the form view.
– Daniel Roseman
Mar 8 at 10:05
Hum ok I have to see how I can do that. Thank you for your explanation anyway !
– Essex
Mar 8 at 10:08