Grab the latest Chromium build from the net!

latest_chromium.py

import urllib.request, urllib.parse, urllib.error
import math

# change os_url & file_base_url if you aren't on a Windows PC

server_url_base = "http://commondatastorage.googleapis.com/chromium-browser-snapshots/"
os_url = "Win/" # "Mac/"
file_base_url = "/chrome-win32.zip" # "/chrome-mac.zip"

latest_url = server_url_base + os_url + "LAST_CHANGE"
f = urllib.request.urlopen(latest_url)
fbytes = f.read()

latest_num = fbytes.decode("utf8")

file_url = server_url_base + os_url + latest_num + file_base_url
file_name = "chrome-b" + latest_num + ".zip"

u = urllib.request.urlopen(file_url)
f = open(file_name, 'wb')
meta = dict(u.info())

file_size = int(meta["Content-Length"])

bar_length = 30
file_size_dl = 0
block_sz = 8192

status_header = "Loading Chromium, Build " + latest_num
print(status_header)

while True:
	buffer = u.read(block_sz)
	if not buffer:
		break

	file_size_dl += len(buffer)
	f.write(buffer)

	status = "%05.1f%%" % (file_size_dl * 100. / file_size)
	progress_length = math.floor((file_size_dl / file_size) * bar_length)
	status += ' [' + ('=' * progress_length) + (' ' * (bar_length - progress_length)) + ']'

	print(status, end='\r')

f.close()