Run this from the _talks/ directory, which contains .md files of all your talks. This scrapes the location YAML field from each .md file, geolocates it with geopy/Nominatim, and uses the getorg library to output data, HTML, and Javascript for a standalone cluster map.
!pip install getorg --upgrade
import glob
import getorg
from geopy import Nominatim
g = glob.glob("*.md")
geocoder = Nominatim()
location_dict = {}
location = ""
permalink = ""
title = ""
for file in g:
with open(file, 'r') as f:
lines = f.read()
if lines.find('location: "') > 1:
loc_start = lines.find('location: "') + 11
lines_trim = lines[loc_start:]
loc_end = lines_trim.find('"')
location = lines_trim[:loc_end]
location_dict[location] = geocoder.geocode(location)
print(location, "\n", location_dict[location])
m = getorg.orgmap.create_map_obj()
getorg.orgmap.output_html_cluster_map(location_dict, folder_name="../talkmap", hashed_usernames=False)