29 lines
755 B
Python
29 lines
755 B
Python
import datetime
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import io
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import redis
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from flask import Flask, send_file, make_response
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app = Flask(__name__)
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redis_client = redis.Redis(host='localhost', port=6379)
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@app.route('/global')
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def serve_global_map():
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global_map_data = redis_client.get('global_map')
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if global_map_data is None:
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return "No global map available", 400
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buf = io.BytesIO(global_map_data)
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buf.seek(0)
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response = make_response(send_file(buf, mimetype='image/png'))
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expires = datetime.datetime.now()
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expires = expires + datetime.timedelta(minutes=10)
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response.headers['Cache-Control'] = 'public'
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response.headers['Expires'] = expires.strftime("%a, %d %b %Y %H:%M:%S GMT")
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return response
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if __name__ == '__main__':
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app.run()
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