Hello,

I am having issue connecting to the OAuth to get token.

I installed the ods_framework_dav.vad package and generated SPARQL application 
token and secret following the example here 
http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtOAuthSPARQL 
<http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtOAuthSPARQL>


I read this http://docs.openlinksw.com/virtuoso/voauth.html 
<http://docs.openlinksw.com/virtuoso/voauth.html> to understand how Oauth 
request should be made to Virtuoso Oauth endpoint.


http://localhost:8890/OAuth/request_token?oauth_version=1.0&oauth_nonce=72180780940317254641459358880&oauth_timestamp=1459299214&oauth_consumer_key=client_key&oauth_signature_method=HMAC-SHA1&oauth_signature=KmF8ngGHSBQJIDHTDw%2FWP%2Fdqgmc%3D
 
<http://192.168.33.18:8890/OAuth/request_token?oauth_version=1.0&oauth_nonce=72180780940317254641459358880&oauth_timestamp=1459299214&oauth_consumer_key=a1bdb2729ee7fa4bb099e0e4968903b8ce9f484d&oauth_signature_method=HMAC-SHA1&oauth_signature=KmF8ngGHSBQJIDHTDw/WP/dqgmc=>

I am using a python library to sign the request.

client_key    = token
client_secret = secret

client = oauth1.Client(client_key, client_secret=client_secret)
uri, headers, body = client.sign(request_token_url)

I am getting this response 'OAuth Verification Failed: Bad Signature'


Kindly point me to the best approach.


Kind Regards.
Sunday Ayandokun
University of Tartu
Tel: +37256724770
Skype: sunday.ayandokun

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