flask 图片缩放(flask 96)

def rename_image(old_filename): ext = os.path.splitext(old_filename)[1] new_filename = uuid.uuid4().hex + ext return new_filename

def resize_image(image, filename, base_width): filename, ext = os.path.splitext(filename) img = Image.open(image) if img.size[0] <= base_width: return filename + ext w_percent = (base_width / float(img.size[0])) h_size = int((float(img.size[1]) * float(w_percent))) img = img.resize((base_width, h_size), PIL.Image.ANTIALIAS)

filename += current_app.config['ALBUMY_PHOTO_SUFFIX'][base_width] + ext
img.save(os.path.join(current_app.config['ALBUMY_UPLOAD_PATH'], filename), optimize=True, quality=85)
return filename