python类forms()的实例源码

def test_clean_file_upload_form_oversize_data(self):
        t = workflows.create_instance.CustomizeAction(self.request, {})
        upload_str = 'user data'
        files = {'script_upload':
                 self.SimpleFile('script_name',
                                 upload_str,
                                 (16 * 1024) + 1)}

        self.assertRaises(
            forms.ValidationError,
            t.clean_uploaded_files,
            'script',
            files)

def test_clean_file_upload_form_invalid_data(self):
        t = workflows.create_instance.CustomizeAction(self.request, {})
        upload_str = b'\x81'
        files = {'script_upload':
                 self.SimpleFile('script_name',
                                 upload_str,
                                 sys.getsizeof(upload_str))}

        self.assertRaises(
            forms.ValidationError,
            t.clean_uploaded_files,
            'script',
            files)

def edit_profile(request):

    if request.method =='POST':
        form=EditProfileForm(request.POST, instance=request.user)
        if form.is_valid():
            form.save()
            return redirect('/')

    else:
        form=EditProfileForm(instance=request.user)
        args={'forms':form}
        return render(request,'user_change.html', {'form':form})

def edit_user_profile(request):
        if request.method =='POST':
            form=EditUserProfileForm(request.POST, instance=request.user.userprofile)
            if form.is_valid():
                form.save()
                return redirect('/')

        else:
            form=EditUserProfileForm(instance=request.user.userprofile)
            args={'forms':form}
            return render(request,'user_profile_change.html', {'form':form})

def get_initial(self):
        """
        Returns the initial data to use for forms on this view.
        """

        initial = {}
        params = self.request.GET
        subject = Subject.objects.get(id=params['subject_id'])
        topics = subject.topic_subject.all()
        initial['subject'] = subject
        initial['topic'] = topics
        initial['end_date'] =  date.today()
        return initial

def register(request):
    # Like before, get the request's context.
    context = RequestContext(request)

    # A boolean value for telling the template whether the registration was successful.
    # Set to False initially. Code changes value to True when registration succeeds.
    registered = False

    # If it's a HTTP POST, we're interested in processing form data.
    if request.method == 'POST':
        # Attempt to grab information from the raw form information.
        # Note that we make use of both UserForm.
        user_form = UserForm(data=request.POST)

        # If the two forms are valid...
        if user_form.is_valid():
            # Save the user's form data to the database.
            user = user_form.save()

            # Now we hash the password with the set_password method.
            # Once hashed, we can update the user object.
            user.set_password(user.password)
            user.save()

            # Update our variable to tell the template registration was successful.
            registered = True

        # Invalid form or forms - mistakes or something else?
        # Print problems to the terminal.
        # They'll also be shown to the user.
        else:
            print user_form.errors

    # Not a HTTP POST, so we render our form using two ModelForm instances.
    # These forms will be blank, ready for user input.
    else:
        user_form = UserForm()

    # Render the template depending on the context.
    return render_to_response(
            'register.html',
            {'user_form': user_form, 'registered': registered},
            context)