The headers in a response contain a wealth of information. If we look more closely at the headers property of the response, we can see the following headers are returned:
>>> response = urllib.request.urlopen(const.ApodEclipseImage())>>> for header in response.headers: print(header)DateServerLast-ModifiedETagAccept-RangesContent-LengthConnectionContent-TypeStrict-Transport-Security
And we can see the values for each of these headers.
>>> for header in response.headers: print(header + " ==> " + response.headers[header])Date ==> Tue, 26 Sep 2017 19:31:41 GMTServer ==> WebServer/1.0Last-Modified ==> Thu, 31 Aug 2017 20:26:32 GMTETag ==> "547bb44-29c06-5581275ce2b86"Accept-Ranges ==> bytesContent-Length ==> 171014Connection ==> ...
