Created
July 12, 2018 02:12
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recurse unshorten url
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# This is for Py2k. For Py3k, use http.client and urllib.parse instead, and | |
# use // instead of / for the division | |
import httplib | |
import urlparse | |
def unshorten_url(url): | |
parsed = urlparse.urlparse(url) | |
h = httplib.HTTPConnection(parsed.netloc) | |
resource = parsed.path | |
if parsed.query != "": | |
resource += "?" + parsed.query | |
h.request('HEAD', resource ) | |
response = h.getresponse() | |
if response.status/100 == 3 and response.getheader('Location'): | |
return unshorten_url(response.getheader('Location')) # changed to process chains of short urls | |
else: | |
return url |
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