LocalTileLayer not visible

The following shows open street map but no additional layers:

import ipyleaflet
m = ipyleaflet.Map(center=(10, 36),zoom=5)
m.add_layer(ipyleaflet.LocalTileLayer(url="./tileset/{z}/{x}/{y}.png"))
m

No errors or anything in the jupyter lab console log.

I created the tileset with gdal2tiles, which conveniently creates a “leaflet.html” file within “./tileset”. When I use the jupter lab file browser to open that html file in a new browser window, I get a lot of 403’s saying “blocking request with no referer”. But I don’t see anything like that in the javascript console with they ipyleaflet chunk above, so possibly not relevant.

Some version info:

$ pip list | grep ipy
ipykernel                     5.1.2      
ipyleaflet                    0.11.2     
ipython                       7.6.1      
ipython-genutils              0.2.0      
ipywidgets                    7.5.1      
scipy                         1.2.1      
$ pip list | grep jupyter
jupyter                       1.0.0      
jupyter-client                5.3.1      
jupyter-console               6.0.0      
jupyter-core                  4.5.0      
jupyterlab                    1.1.2      
jupyterlab-git                0.8.1      
jupyterlab-server             1.0.6

[itcarroll]

Can confirm it works in Jupyter Lab as you describe. Awesome!

[martinRenou]

This workaround should work for now, and then when a new release of ipyleaflet is out you will be able to get rid of your CustomLocalLayer class and directly use the LocalTileLayer with the same arguments.