django-file-upload

问题 I'm trying to my first attempt at django file-uploading, and all i need at the moment is a way to display an uploaded image (png/jpg) to the user that uploaded. No need to save it anywhere. My views.py: (i'm using django forms, btw) if request.method == 'POST': form = UploadFileForm(request.POST, request.FILES) if form.is_valid(): upFile = request.FILES['upFile'] f={"upFile":upFile} return render_to_response('upload2.html', f) And i can, as expected, display the name and size of my file in

问题 I am trying to specify a specific method of handling file uploads for a class based view. Per the docs this can be achieved by something like: from django.core.files.uploadhandler import TemporaryFileUploadHandler request.upload_handlers = [TemporaryFileUploadHandler(request=request)] If i specify this in post method of a FormView like so: def post(self, request, *args, **kwargs): request.upload_handlers = [TemporaryFileUploadHandler(request=request)] return super().post(self, request, *args,

问题 I want to upload multiple files in the Django admin, without having to place multiple FileField fields. The user can be able to manage the files in a simple way; delete or change each uploaded file but upload several at once. the solution I see viable is to use several filefield but the problem is, i dont know how many files the user will upload def case_upload_location(instance, filename): case_name = instance.name.lower().replace(" ", "-") file_name = filename.lower().replace(" ", "-")

问题 This is my models.py class Upload(models.Model): images = models.ImageField(upload_to='image/') serializers.py class UploadSerializer(serializers.ModelSerializer): class Meta: model = Upload fields = '__all__' views.py class UploadViewSet(viewsets.ModelViewSet): queryset = Upload.objects.all() permission_classes = [ permissions.AllowAny ] serializer_class = UploadSerializer I can successfully upload single image, however django model is not recieving multiple images at once. How to upload

问题 I'm trying to make dynamic upload path to FileField model. So when user uploads a file, Django stores it to my computer /media/(username)/(path_to_a_file)/(filename). E.g. /media/Michael/Homeworks/Math/Week_1/questions.pdf or /media/Ernie/Fishing/Atlantic_ocean/Good_fishing_spots.txt VIEWS @login_required def add_file(request, **kwargs): if request.method == 'POST': form = AddFile(request.POST, request.FILES) if form.is_valid(): post = form.save(commit=False) post.author = request.user post

问题 I'm trying to edit an existing object through a form. Every thing is working fine except for the ImageField not being populated with the current value. Here's the model: class Post(models.Model): author = models.ForeignKey(User, editable=False) slug = models.SlugField(max_length = 110, editable=False) title = models.CharField(verbose_name='Blog Title', max_length=40, blank=False) body = models.TextField(verbose_name='Body') thumbnail = models.ImageField(upload_to = 'posts/%Y/%m') Here's the

问题 I'm trying to edit an existing object through a form. Every thing is working fine except for the ImageField not being populated with the current value. Here's the model: class Post(models.Model): author = models.ForeignKey(User, editable=False) slug = models.SlugField(max_length = 110, editable=False) title = models.CharField(verbose_name='Blog Title', max_length=40, blank=False) body = models.TextField(verbose_name='Body') thumbnail = models.ImageField(upload_to = 'posts/%Y/%m') Here's the

问题 I try to upload multiple images of an instance to different sub folders. But I need to rename each uploaded file as well so I implement a function for upload_to field as below. class MyModel(models.Model): code = models.CharField() logo = models.FileField(upload_to=get_path) cover = models.FileField(upload_to=get_path) def get_path(instance, filename): ext = filename.split('.')[-1] new_name = "%s.%s" % (slughifi(filename), ext) return new_name However, I'm not sure how I can divide images to

问题 I try to upload multiple images of an instance to different sub folders. But I need to rename each uploaded file as well so I implement a function for upload_to field as below. class MyModel(models.Model): code = models.CharField() logo = models.FileField(upload_to=get_path) cover = models.FileField(upload_to=get_path) def get_path(instance, filename): ext = filename.split('.')[-1] new_name = "%s.%s" % (slughifi(filename), ext) return new_name However, I'm not sure how I can divide images to

问题 I have a model containing file field. I want to restrict it to pdf files. I have written clean method in model because I want to check for admin and shell level model creation also. But it is not working in model clean method. However form clean method is working. class mymodel(models.Model): myfile = models.FileField() def clean(): mime = magic.from_buffer(self.myfile.read(), mime=True) print mime if not mime == 'application/pdf': raise ValidationError('File must be a PDF document') class