Automatically install the latest build of Chromium

update_chrome.py

#!/usr/bin/env python3

import os
import subprocess
import http.client

# Install the latest Chromium snapshot build on Windows
conn =  http.client.HTTPConnection('build.chromium.org')
conn.request("GET", '/f/chromium/snapshots/chromium-rel-xp/LATEST')
r1 = conn.getresponse()
version = r1.read().decode()
print("Upgrading to version", version)
conn.request("GET", '/f/chromium/snapshots/chromium-rel-xp/' + version + '/mini_installer.exe')
r2 = conn.getresponse()
ofname = os.environ['TEMP'] + '/mini_installer.exe'
with open(ofname, "wb") as outf:
    outf.write(r2.read())
conn.close()
subprocess.call(ofname)
os.unlink(ofname)