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# Content DB
# Copyright (C) 2018 rubenwardy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from flask import *
from app import app
import glob, os
from PIL import Image
ALLOWED_RESOLUTIONS=[(350,233)]
def mkdir(path):
if not os.path.isdir(path):
os.mkdir(path)
mkdir("app/public/thumbnails/")
@app.route("/thumbnails/<img>")
@app.route("/thumbnails/<int:w>x<int:h>/<img>")
def make_thumbnail(img, w=350, h=233):
if not (w, h) in ALLOWED_RESOLUTIONS:
abort(403)
mkdir("app/public/thumbnails/{}x{}/".format(w, h))
cache_filepath = "public/thumbnails/{}x{}/{}".format(w, h, img)
source_filepath = "public/uploads/" + img
im = Image.open("app/" + source_filepath)
im.thumbnail((w, h), Image.ANTIALIAS)
im.save("app/" + cache_filepath, optimize=True)
return send_file(cache_filepath)
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