web2py Openstreetmap implementation example

test.py

# -*- coding: utf-8 -*-

for url in [
    'http://dev.openlayers.org/theme/default/style.css',
    'http://dev.openlayers.org/examples/style.css',
    'http://dev.openlayers.org/OpenLayers.js'
]:
    response.files.append(url)

def map():

    mymap = DIV(_id="map", _class="smallmap")

    response.js = """var map, layer;
        function init(){
            map = new OpenLayers.Map( 'map');
            layer = new OpenLayers.Layer.OSM( "Simple OSM Map");
            map.addLayer(layer);
            map.setCenter(
                new OpenLayers.LonLat(-71.147, 42.472).transform(
                    new OpenLayers.Projection("EPSG:4326"),
                    map.getProjectionObject()
                ), 12
            );
        };
        init();
    """

    return locals()

def index():
    mymap = LOAD('test', 'map.load', ajax=True)
    return locals()

README

Just download this file in a brand new web2py project under the controllers folder.
That's it. Now just browse the page at the url http://localhost:8000/myapp/test/index