[Python] Turning on debug output for python 3 urllib

In python 2, it was possible to get debug output from urllib by doing

import httplib
import urllib
httplib.HTTPConnection.debuglevel = 1
response = urllib.urlopen('http://example.com').read()


However, in python 3 it looks like this has been moved to

http.client.HTTPConnection.set_debuglevel(level)


However, I'm using urllib not http.client directly. How can I set it up so that my http request display debugging information in this way?

Here's what I"m using so far. What's the best way to proceed if I want to be able to get debug information?

#Request Login page
cookiejar = http.cookiejar.CookieJar()
opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cookiejar))
request = urllib.request.Request(options.uri)
add_std_headers(request)
response = opener.open(request)
response_string = response.read().decode("utf8")
# ...

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