Dry ORM

Code

Result

no cache

from django.template import Context
from django.template import Template
from django.contrib.gis.db import models as geomodels
from django.contrib.gis.geos import Point
import json

class Place(geomodels.Model):
    name = geomodels.CharField(max_length=100)
    location = geomodels.PointField(geography=True, null=True, blank=True)

def run():
    Place.objects.all().delete()

places = Place.objects.bulk_create([
        Place(name='Beirut', location=Point(35.5018, 33.8938)),
        Place(name='Paris', location=Point(2.3522, 48.8566)),
        Place(name='London', location=Point(-0.1276, 51.5074)),
    ])

markers = [
        {"name": p.name, "lat": p.location.y, "lng": p.location.x}
        for p in places
    ]
    markers_json = json.dumps(markers)

html = Template("""
<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Full Height GeoDjango Map</title>

#container {
            height: 100%;
            width: 100%;
            display: flex;
            flex-direction: column;
        }

#map {
            flex: 1;
            width: 100%;
        }
    </style>
</head>

if (markers.length === 0) {
        document.getElementById('map').innerHTML = 'No places to show.';
    } else {
        const map = L.map('map').setView(
            [markers[0].lat, markers[0].lng],
            4
        );

L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
            maxZoom: 19,
            attribution: '&copy; OpenStreetMap contributors'
        }).addTo(map);

markers.forEach(m => {
            L.marker([m.lat, m.lng])
                .addTo(map)
                .bindPopup(m.name);
        });
    }
</script>

</body>
</html>
    """).render(Context({
        "markers_json": markers_json
    }))

print(html)
    return html

Output

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