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