Get MIME type of file that is in memory - Python Django
I have a form where users can upload files. I only want them to be able to upload images. I have added that in the HTML form but need to do a server side check. I would like to do this check before I save the file to AWS S3.
Currently I have this:
from .models import cropSession, cropSessionPhoto
import magic
def crop(request):
if request.method == 'POST':
data = request.POST
images = request.FILES.getlist('photos')
crop_style = data['style']
if len(images) <= 0:
messages.error(request, "At least one photo must be uploaded.")
return redirect(reverse('crop-form'))
crop_session = cropSession(crop_style=crop_style)
crop_session.save()
for image in images:
mime = magic.Magic(mime=True)
mime.from_file(image.file)
upload = cropSessionPhoto(crop_session=crop_session, photo_file_name=image, photo_file_location=image)
upload.save()
else:
messages.error(request, "An error has occured.")
return redirect(reverse('crop-form'))
return render(request, 'crop/crop.html')
However, I get this error: TypeError: expected str, bytes or os.PathLike object, not BytesIO
How do I properly pass the image to magic?
Thank you
Magic expects the argument for from_file
to be a path so it can open the file. If it's already in memory you can try opening it as a buffer:
mime = magic.Magic(mime=True)
mime.from_buffer(f.read(2048))