From f92c725113d5e1a23e7a1cc92186cd015358f276 Mon Sep 17 00:00:00 2001
From: Evan Culver <evan@evanculver.com>
Date: Fri, 25 Oct 2013 15:21:34 -0700
Subject: [PATCH] Clean up and PEP8 for #41.

---
 provider/oauth2/backends.py | 23 ++---------------------
 provider/oauth2/forms.py    |  6 +-----
 2 files changed, 3 insertions(+), 26 deletions(-)

diff --git a/provider/oauth2/backends.py b/provider/oauth2/backends.py
index 5c0e39f..db0fb85 100644
--- a/provider/oauth2/backends.py
+++ b/provider/oauth2/backends.py
@@ -1,8 +1,6 @@
-from django.contrib.auth import authenticate
-
 from ..utils import now
 from .forms import ClientAuthForm, PublicPasswordGrantForm
-from .models import AccessToken, Client
+from .models import AccessToken
 
 
 class BaseBackend(object):
@@ -63,25 +61,9 @@ class RequestParamsClientBackend(object):
         return None
 
 
-class RequestParamsClientBackend(object):
-    """
-    Backend that tries to authenticate a client through request parameters
-    which might be in the request body or URI as defined in :rfc:`2.3.1`.
-    """
-    def authenticate(self, request=None):
-        if request is None:
-            return None
-
-        form = ClientAuthForm(request.REQUEST)
-
-        if form.is_valid():
-            return form.cleaned_data.get('client')
-
-        return None
-
 class PublicPasswordBackend(object):
     """
-    Backend that tries to authenticate a client using username, password 
+    Backend that tries to authenticate a client using username, password
     and client ID. This is only available in specific circumstances:
 
      - grant_type is "password"
@@ -100,7 +82,6 @@ class PublicPasswordBackend(object):
         return None
 
 
-
 class AccessTokenBackend(object):
     """
     Authenticate a user via access token and client object.
diff --git a/provider/oauth2/forms.py b/provider/oauth2/forms.py
index 32ce019..b5d04c3 100644
--- a/provider/oauth2/forms.py
+++ b/provider/oauth2/forms.py
@@ -302,6 +302,7 @@ class PasswordGrantForm(ScopeMixin, OAuthForm):
         data['user'] = user
         return data
 
+
 class PublicPasswordGrantForm(PasswordGrantForm):
     client_id = forms.CharField(required=True)
     grant_type = forms.CharField(required=True)
@@ -327,8 +328,3 @@ class PublicPasswordGrantForm(PasswordGrantForm):
 
         data['client'] = client
         return data
-
-
-
-
-