+ # According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
+ # always respected by websites, some tend to give out URLs with non percent-encoded
+ # non-ASCII characters (see telemb.py, ard.py [#3412])
+ # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
+ # To work around aforementioned issue we will replace request's original URL with
+ # percent-encoded one
+ # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
+ # the code of this workaround has been moved here from YoutubeDL.urlopen()
+ url = req.get_full_url()
+ url_escaped = escape_url(url)
+
+ # Substitute URL if any change after escaping
+ if url != url_escaped:
+ req_type = HEADRequest if req.get_method() == 'HEAD' else compat_urllib_request.Request
+ new_req = req_type(
+ url_escaped, data=req.data, headers=req.headers,
+ origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
+ new_req.timeout = req.timeout
+ req = new_req
+