qsomap/web.py

#!/usr/bin/env python3

from bottle import Bottle, request, response, template, static_file
from io import StringIO, BytesIO
import qsomap

app = application = Bottle()

@app.get('/render/map.svg')
@app.post('/render/map.svg')
def render():
    svg_stream = StringIO()

    adiffile = request.files.get('adif')
    if adiffile and len(adiffile.filename) > 0:
        if adiffile.filename[-4:] not in ['.adi', '.adf'] and adiffile.filename[-5:] not in ['.adif']:
            return "File extension not allowed."

        if adiffile.content_length > 1024 * 1024:
            return "Maximum allowed ADIF file size: 1 MiB."

        # parse ADIF data as UTF-8
        adif_bytes = adiffile.file.read()
        adif_unicode = adif_bytes.decode('utf-8')

        print("==========================================")
        print(adif_unicode)
        print("==========================================")

        adif_stream = StringIO(adif_unicode)

        qsomap.render(float(request.params.lat), float(request.params.lon), svg_stream, adif_stream)
    else:
        qsomap.render(float(request.params.lat), float(request.params.lon), svg_stream, None)

    response.content_type = 'image/svg+xml'
    return svg_stream.getvalue()


@app.route('/')
@app.route('/index.html')
def index():
    return template('index')


@app.route('/static/<filename:path>')
def send_static(filename):
    return static_file(filename, root='./static')

if __name__ == "__main__":
    app.run(host='localhost', port=8080, debug=True)