Python django.views.generic 模块，UpdateView() 实例源码

def get_object(self, queryset=None):
        """
        This parts allows generic.UpdateView to handle creating products as
        well. The only distinction between an UpdateView and a CreateView
        is that self.object is None. We emulate this behavior.

        This method is also responsible for setting self.product_class and
        self.parent.
        """
        self.creating = 'pk' not in self.kwargs
        if self.creating:
            hook_class_slug = self.kwargs.get('hook_class_slug')
            self.product_class = get_object_or_404(ProductClass, slug=hook_class_slug)
            return None  # success

        else:
            hook = super(HookCreateUpdateView, self).get_object(queryset)
            self.product_class = hook.get_product_class()
            return hook

def get_success_url(self):
        if not self.object.subject.visible:
            self.object.visible = False
            self.object.save()

        if not self.object.visible and not self.object.repository:
            Resource.objects.filter(topic = self.object).update(visible = False)

        messages.success(self.request, _('Topic "%s" was updated on virtual enviroment "%s" successfully!')%(self.object.name, self.object.subject.name))

        self.log_context['category_id'] = self.object.subject.category.id
        self.log_context['category_name'] = self.object.subject.category.name
        self.log_context['category_slug'] = self.object.subject.category.slug
        self.log_context['subject_id'] = self.object.subject.id
        self.log_context['subject_name'] = self.object.subject.name
        self.log_context['subject_slug'] = self.object.subject.slug
        self.log_context['topic_id'] = self.object.id
        self.log_context['topic_name'] = self.object.name
        self.log_context['topic_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.subject.slug})

def form_valid(self, form):
        self.object = form.save(commit = False)

        self.object.save()

        msg = _('User "%s" updated successfully')%(self.object.get_short_name())

        self.log_context['user_id'] = self.object.id
        self.log_context['user_name'] = self.object.get_short_name()
        self.log_context['user_email'] = self.object.email

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        messages.success(self.request, msg)

        return super(UpdateView, self).form_valid(form)

def get_context_data(self, **kwargs): 
        # This line is the method we use to send data to the template.
        context = super(UpdateViewCustom, self).get_context_data(**kwargs) 
        # In this line, we perform the super class method to send normal data from the CBV UpdateView.
        model_name = self.model._meta.verbose_name.title() 
        # In this line, we get the verbose_name property of the defined model.
        context['model_name'] = model_name 
        # In this line, we send the verbose_name property to the template.
        context['url_name'] = self.url_name \
        # This line allows us to send the name of our URL to the template.
        return context

def get_context_data(self, **kwargs): 
        # This line is the method we use to send data to the template.
        context = super(UpdateViewCustom, self).get_context_data(**kwargs) 
        # In this line, we perform the super class method to send normal data from the CBV UpdateView.
        model_name = self.model._meta.verbose_name.title() 
        # In this line, we get the verbose_name property of the defined model.
        context['model_name'] = model_name 
        # In this line, we send the verbose_name property to the template.
        context['url_name'] = self.url_name \
        # This line allows us to send the name of our URL to the template.
        return context

def get_context_data(self, **kwargs): 
        # This line is the method we use to send data to the template.
        context = super(UpdateViewCustom, self).get_context_data(**kwargs) 
        # In this line, we perform the super class method to send normal data from the CBV UpdateView.
        model_name = self.model._meta.verbose_name.title() 
        # In this line, we get the verbose_name property of the defined model.
        context['model_name'] = model_name 
        # In this line, we send the verbose_name property to the template.
        context['url_name'] = self.url_name \
        # This line allows us to send the name of our URL to the template.
        return context

def get_context_data(self, **kwargs): 
        # This line is the method we use to send data to the template.
        context = super(UpdateViewCustom, self).get_context_data(**kwargs) 
        # In this line, we perform the super class method to send normal data from the CBV UpdateView.
        model_name = self.model._meta.verbose_name.title() 
        # In this line, we get the verbose_name property of the defined model.
        context['model_name'] = model_name 
        # In this line, we send the verbose_name property to the template.
        context['url_name'] = self.url_name \
        # This line allows us to send the name of our URL to the template.
        return context

def get_context_data(self, **kwargs): 
        # This line is the method we use to send data to the template.
        context = super(UpdateViewCustom, self).get_context_data(**kwargs) 
        # In this line, we perform the super class method to send normal data from the CBV UpdateView.
        model_name = self.model._meta.verbose_name.title() 
        # In this line, we get the verbose_name property of the defined model.
        context['model_name'] = model_name 
        # In this line, we send the verbose_name property to the template.
        context['url_name'] = self.url_name \
        # This line allows us to send the name of our URL to the template.
        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pend_form = pendencies_form.save(commit = False)
        pend_form.resource = self.object

        if not pend_form.action == "":
            pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['pdffile_id'] = self.object.id
        self.log_context['pdffile_name'] = self.object.name
        self.log_context['pdffile_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return redirect(self.get_success_url())

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update PDF File')

        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        context['topic'] = topic
        context['subject'] = topic.subject
        context['mimeTypes'] = valid_formats
        context['resource'] = get_object_or_404(PDFFile, slug = self.kwargs.get('slug', ''))

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('sub_slug', '')
        subject = get_object_or_404(Subject, slug = slug)

        if not has_subject_permissions(request.user, subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update Group')

        slug = self.kwargs.get('sub_slug', '')
        subject = get_object_or_404(Subject, slug = slug)

        context['subject'] = subject

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pendencies_form.instance = self.object
        pendencies_form.save(commit = False)

        for form in pendencies_form.forms:
            pend_form = form.save(commit = False)

            if not pend_form.action == "":
                pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['webconference_id'] = self.object.id
        self.log_context['webconference_name'] = self.object.name
        self.log_context['webconference_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return redirect(self.get_success_url())

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update Web Conference')

        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        context['topic'] = topic
        context['subject'] = topic.subject
        context['resource'] = get_object_or_404(Webconference, slug = self.kwargs.get('slug', ''))

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pend_form = pendencies_form.save(commit = False)
        pend_form.resource = self.object

        if not pend_form.action == "":
            pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['bulletin_id'] = self.object.id
        self.log_context['bulletin_name'] = self.object.name
        self.log_context['bulletin_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return redirect(self.get_success_url())

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pendencies_form.instance = self.object
        pendencies_form.save(commit = False)

        for form in pendencies_form.forms:
            pend_form = form.save(commit = False)

            if not pend_form.action == "":
                pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['ytvideo_id'] = self.object.id
        self.log_context['ytvideo_name'] = self.object.name
        self.log_context['ytvideo_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context) 

        return redirect(self.get_success_url())

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update YouTube Video')

        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        context['topic'] = topic
        context['subject'] = topic.subject
        context['resource'] = get_object_or_404(YTVideo, slug = self.kwargs.get('slug', ''))

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pend_form = pendencies_form.save(commit = False)
        pend_form.resource = self.object

        if not pend_form.action == "":
            pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['webpage_id'] = self.object.id
        self.log_context['webpage_name'] = self.object.name
        self.log_context['webpage_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return redirect(self.get_success_url())

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def form_valid(self, form, pendencies_form):
        self.object = form.save(commit = False)

        if not self.object.topic.visible and not self.object.topic.repository:
            self.object.visible = False

        self.object.save()

        pend_form = pendencies_form.save(commit = False)
        pend_form.resource = self.object

        if not pend_form.action == "":
            pend_form.save()

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['filelink_id'] = self.object.id
        self.log_context['filelink_name'] = self.object.name
        self.log_context['filelink_slug'] = self.object.slug

        super(UpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return redirect(self.get_success_url())

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update File Link')

        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        context['topic'] = topic
        context['subject'] = topic.subject
        context['mimeTypes'] = valid_formats
        context['resource'] = get_object_or_404(FileLink, slug = self.kwargs.get('slug', ''))

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('sub_slug', '')
        subject = get_object_or_404(Subject, slug = slug)

        if not has_subject_permissions(request.user, subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def get_initial(self):
        initial = super(UpdateView, self).get_initial()

        slug = self.kwargs.get('sub_slug', '')

        initial['subject'] = get_object_or_404(Subject, slug = slug)

        return initial

def get_form_kwargs(self):
        kwargs = super(UpdateView, self).get_form_kwargs()

        kwargs.update({'is_edit': True})

        return kwargs

def get_context_data (self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)
        context['title'] = _("Update User")
        context['settings_menu_active'] = "settings_menu_active"

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        if not has_subject_permissions(request.user, topic.subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)

def get_context_data(self, **kwargs):
        context = super(UpdateView, self).get_context_data(**kwargs)

        context['title'] = _('Update Topic Goals')

        slug = self.kwargs.get('topic_slug', '')
        topic = get_object_or_404(Topic, slug = slug)

        context['topic'] = topic
        context['subject'] = topic.subject

        return context