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A generic, spec-compliant, thorough implementation of the OAuth request-signing logic.

OAuth often seems complicated and difficult-to-implement. There are several prominent libraries for signing OAuth requests, but they all suffer from one or both of the following:

  1. They predate the OAuth 1.0 spec, AKA RFC 5849.
  2. They assume the usage of a specific HTTP request library.

OAuthLib is a generic utility which implements the logic of OAuth without assuming a specific HTTP request object. Use it to graft OAuth support onto your favorite HTTP library. If you're a maintainer of such a library, write a thin veneer on top of OAuthLib and get OAuth support for very little effort.


OAuthLib is yours to use and abuse according to the terms of the BSD license. Check the LICENSE file for full details.


OAuthLib is in active development, with most of OAuth1 complete and OAuth2 already in the works.

0.3.0: Initial OAuth 2 client support

0.2.1: Exclude non urlencoded bodies during request verification

0.2.0: OAuth provider support

0.1.4: soft dependency on PyCrypto

0.1.3: use python-rsa instead of pycrypto.

0.1.1 / 0.1.2: Fix installation of pycrypto dependency.

0.1.0: OAuth 1 client functionality seems to be working. Hooray!

0.0.x: In the beginning, there was the word.