Skip to content

Instantly share code, notes, and snippets.

@rechner
Created September 19, 2018 19:34
Show Gist options
  • Save rechner/fbe3e215630f73dbca60a595bd1dfdfa to your computer and use it in GitHub Desktop.
Save rechner/fbe3e215630f73dbca60a595bd1dfdfa to your computer and use it in GitHub Desktop.
#!/usr/bin/env python3
from flask import Flask, Response, abort, request
from PIL import Image
import requests
try:
from StringIO import BytesIO
except ImportError:
from io import BytesIO
MAX_IMAGE_SIZE = 5 * 1024 * 1024
app = Flask(__name__)
app.config.from_object(__name__)
@app.route('/')
def index():
return Response("Use /convert?url=<image url>")
@app.route('/convert')
def convert_image():
url = request.args.get('url', None)
if url is None:
abort(401)
try:
remote_image = requests.get(url)
if not remote_image.ok:
abort(401)
except requests.RequestException:
abort(401)
image_f = BytesIO(remote_image.content)
image_f.seek(0)
original = Image.open(image_f)
if image_f.getbuffer().nbytes >= MAX_IMAGE_SIZE:
# Cut that sucker in half
half = lambda x: int(x / 2)
original = original.resize(map(half, original.size), Image.ANTIALIAS)
converted = BytesIO()
original.save(converted, "JPEG", optimize=True, quality=90)
converted.seek(0)
print(converted.getbuffer().nbytes / (1024 * 1024))
return Response(converted, mimetype="image/jpeg")
if __name__ == '__main__':
app.run(host='0.0.0.0')
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment