Use OSM-based map image

debian_packages.txt

@@ -1,4 +0,0 @@
-libpq-dev
-build-essential
-libpython3-dev
-postgis

debian_setup.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+apt install libpq-dev build-essential libpython3-dev postgis python3-pip python3-venv -y
+python3 -m venv venv
+source venv/bin/activate
+pip install -Ur requirements.txt

public/templatetags/mapimage.py

@@ -1,24 +1,22 @@
 from django import template
 
-import requests
 import base64
+import io
+
+from staticmap import StaticMap, CircleMarker
 
 from dbsettings.models import Setting
 
 register = template.Library()
 
 @register.simple_tag
-def mapimage(location, zoom=8, width=348, height=250):
-    payload = {
-        'center': f"{location.y},{location.x}", 
-        'zoom': str(zoom), 
-        "size": "%ix%i" % (width, height), 
-        'sensor': "false",
-        'key': Setting.objects.get(key="google.api.key").value # pylint: disable=no-member
-        }
-        
-    r = requests.get('https://maps.googleapis.com/maps/api/staticmap', params=payload)
-    image = r.content
+def mapimage(location, zoom=7, width=348, height=250):
+    smap = StaticMap(width, height, url_template="http://a.tile.osm.org/{z}/{x}/{y}.png")
+    marker = CircleMarker((location.x, location.y), color="orange", width=20)
+    smap.add_marker(marker)
+    image = smap.render(zoom)
+    bio = io.BytesIO()
+    image.save(bio, format="JPEG")
     data_uri = 'data:image/jpg;base64,'
-    data_uri += base64.b64encode(image).decode().replace('\n', '')
+    data_uri += base64.b64encode(bio.getvalue()).decode().replace('\n', '')
     return data_uri

requirements.txt

@@ -3,7 +3,6 @@ django-polymorphic
 psycopg2
 dbsettings
 django-bootstrap4
-pyinvoice
 django-countries
 paypal-checkout-serversdk
 python-dateutil
@@ -16,3 +15,5 @@ django-phonenumber-field
 phonenumbers
 googlemaps
 Babel
+staticmap
+git+https://kumig.it/kumisystems/PyInvoice