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Client.request mangles query strings #25

simonw opened this Issue Aug 18, 2010 · 1 comment


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simonw commented Aug 18, 2010

If I try to make an OAuth signed request to the following URL:


I get this error:

{u'request': u'/1/users/show.json?oauth_version=1.0&oauth_token=...&screen_name=%5B%27simonw%27%5D&oauth_nonce=...&oauth_timestamp=...&oauth_signature=...&oauth_consumer_key=...&oauth_signature_method=HMAC-SHA1', u'error': u'Not found'}

The screen_name value has been passed through as:


Which URL decodes to the following string:


What's happened here is that somewhere inside the oauth2 library my original ?screen_name=simonw querystring has been decoded in to a list, using cgi.parse_qs - and that list has then been converted in to a string using Python's default string representation.

I think the code at fault is on line 578 in the Client.request method:

elif method == "GET":
    parsed = urlparse.urlparse(uri)
    parameters = parse_qs(parsed.query)

That third line should be:

    parameters = dict(parse_qsl(parsed.query))

simonw commented Aug 18, 2010

Ignore this - it looks like I'm using version 1.0. Later versions have fixed the problem.

This issue was closed.

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