New submission from Bill Winslow:
The following code will produce a UnicodeEncodeError about a character being
non-ascii:
from urllib import request, parse, error
url = 'http://en.wikipedia.org/wiki/Antonio Vallejo-Nájera'
req = request.Request(url)
response = request.urlopen(req)
This fails as follows:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.3/urllib/request.py", line 156, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python3.3/urllib/request.py", line 469, in open
response = self._open(req, data)
File "/usr/lib/python3.3/urllib/request.py", line 487, in _open
'_open', req)
File "/usr/lib/python3.3/urllib/request.py", line 447, in _call_chain
result = func(*args)
File "/usr/lib/python3.3/urllib/request.py", line 1268, in http_open
return self.do_open(http.client.HTTPConnection, req)
File "/usr/lib/python3.3/urllib/request.py", line 1248, in do_open
h.request(req.get_method(), req.selector, req.data, headers)
File "/usr/lib/python3.3/http/client.py", line 1067, in request
self._send_request(method, url, body, headers)
File "/usr/lib/python3.3/http/client.py", line 1095, in _send_request
self.putrequest(method, url, **skips)
File "/usr/lib/python3.3/http/client.py", line 959, in putrequest
self._output(request.encode('ascii'))
UnicodeEncodeError: 'ascii' codec can't encode character '\xe1' in position 27:
ordinal not in range(128)
I examined the library code in question: line 958 in http/client.py, the line
before the one that barfs, contains the following comment:
# Non-ASCII characters should have been eliminated earlier
I added a print statement to the library code:
print(request)
self._output(request.encode('ascii'))
This prints the following:
>>> response = request.urlopen(req)
GET /wiki/Antonio Vallejo-Nájera HTTP/1.1
Traceback (most recent call last): ...
I confirmed that the 27th character as mentioned in the traceback is in fact
the á in the last name. Clearly either urllib or http is not properly
sanitizing the url -- unfortunately, my knowledge is useless as to determining
where the actual error is; hopefully this report contains enough detail to make
it easy enough.
----------
components: Library (Lib), Unicode
messages: 210587
nosy: Dubslow, ezio.melotti, haypo
priority: normal
severity: normal
status: open
title: urllib/http fail to sanitize a non-ascii url
type: behavior
versions: Python 3.3
_______________________________________
Python tracker <[email protected]>
<http://bugs.python.org/issue20559>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
