An implementation of HTTP Negotiate authentication ([RFC 4559](http://tools.ietf.org/html/rfc4559)) for [requests](http://docs.python-requests.org/en/latest/).
Negotiate authentication is commonly used to provide Kerberos authentication through GSSAPI.
Here’s a trivial example:
auth = requests_negotiate.HTTPNegotiateAuth()
response = requests.get(‘https://example.org/’, auth=auth)
You’ll need a valid Kerberos ticket - acquired using e.g. kinit - for this to work.
You can instantiate an HTTPNegotiateAuth with the following optional parameters:
- service - A Kerberos principal is generally composed of a service name (e.g. ‘HTTP’) and a hostname, separated by a slash (‘/’). This lets you override the default service of 'HTTP'.
- service_name - Overrides the full service name (e.g. 'HTTP/example.org')
- negotiate_client_name - Explicitly specify which client principal to authenticate as. Particularly useful when you’re using a credential cache collection.
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