def file_upload(request, resize_image=True):
from PIL import Image
from tempfile import NamedTemporaryFile
from sefaria.s3 import HostedFile
if request.method == "POST":
MAX_FILE_MB = 2
MAX_FILE_SIZE = MAX_FILE_MB * 1024 * 1024
MAX_FILE_DIMENSIONS = (1048, 1048)
uploaded_file = request.FILES['file']
if uploaded_file.size > MAX_FILE_SIZE:
return jsonResponse({"error": "Uploaded files must be smaller than %dMB." % MAX_FILE_MB})
name, extension = os.path.splitext(uploaded_file.name)
with NamedTemporaryFile(suffix=extension) as temp_uploaded_file:
temp_uploaded_file.write(uploaded_file.read())
with NamedTemporaryFile(suffix=extension) as temp_resized_file:
image = Image.open(temp_uploaded_file)
if resize_image:
image.thumbnail(MAX_FILE_DIMENSIONS, Image.ANTIALIAS)
image.save(temp_resized_file, optimize=True, quality=70)
name, extension = os.path.splitext(temp_resized_file.name)
hosted_file = HostedFile(filepath=temp_resized_file.name, content_type=uploaded_file.content_type)
try:
url = hosted_file.upload()
return jsonResponse({"status": "success", "url": url})
except:
return jsonResponse({"error": "There was an error uploading your file."})
else:
return jsonResponse({"error": "Unsupported HTTP method."})
def _handle_image_change(self, old, new):
"""
When image fields change:
1) delete images that are no longer referenced
2) remove new images from the orphaned files list.
"""
from sefaria.s3 import HostedFile
if old:
HostedFile(url=old).delete()
if new:
HostedFile(url=new).remove_from_orphaned_list()
