def create_file():
if 'file' not in request.files or request.files['file'].filename == '':
raise NotFound
id = mongo.save_file(request.files['file'].filename, request.files['file'])
_, ext = path.splitext(request.files['file'].filename)
executor.submit(lambda: make_thumbnails(id))
return json_response(id='{}{}'.format(id, ext))
def create_file():
if 'file' not in request.files or request.files['file'].filename == '':
raise NotFound()
id = mongo.save_file(request.files['file'].filename, request.files["file"])
_, ext = path.splitext(request.files['file'].filename)
return json_response(id='{}{}'.format(id, ext))
def make_thumbnails(id):
try:
file = GridFS(mongo.db).get(id)
except NoFile:
raise NotFound()
img = Image.open(file)
thumbnails = {}
for size in (1024, 512, 200):
t = img.copy()
t.thumbnail((size, size))
filename = '{}_{}'.format(id, size)
filepath = '/tmp/{}'.format(filename)
t.sava(filepath, 'JPEG')
with open(filepath, 'rb') as f:
thumbnails[str(size)] = mongo.save_file(filename, f)
unlink(filepath)
mongo.db.fs.files.update({'_id': id}, {'$set': {'thumbnails': thumbnails}})