Fixing docstring formatting for param

Currently, ''.. param:' is being used. The correct format for sphinx is
':param <name>:'

The current format raises errors when building the docs. This patch
corrects the formatting and eliminates the errors.

Closes-Bug: #1474972
Change-Id: I924f860dfe91c4c785d9c656825c31038072dd07

openstack_auth/user.py

@@ -233,8 +233,7 @@ def is_token_expired(self, margin=None):
         Returns ``True`` if the token is expired, ``False`` if not, and
         ``None`` if there is no token set.
 
-        .. param:: margin
-
+        :param margin:
            A security time margin in seconds before real expiration.
            Will return ``True`` if the token expires in less than ``margin``
            seconds of time.
@@ -249,8 +248,7 @@ def is_token_expired(self, margin=None):
     def is_authenticated(self, margin=None):
         """Checks for a valid authentication.
 
-        .. param:: margin
-
+        :param margin:
            A security time margin in seconds before end of authentication.
            Will return ``False`` if authentication ends in less than ``margin``
            seconds of time.
@@ -266,8 +264,7 @@ def is_anonymous(self, margin=None):
 
         Returns ``True`` if not authenticated,``False`` otherwise.
 
-        .. param:: margin
-
+        :param margin:
            A security time margin in seconds before end of an eventual
            authentication.
            Will return ``True`` even if authenticated but that authentication

openstack_auth/utils.py

@@ -80,12 +80,9 @@ def is_token_valid(token, margin=None):
 
     Returns ``True`` if the token has not yet expired, otherwise ``False``.
 
-    .. param:: token
-
-       The openstack_auth.user.Token instance to check
-
-    .. param:: margin
+    :param token: The openstack_auth.user.Token instance to check
 
+    :param margin:
        A time margin in seconds to subtract from the real token's validity.
        An example usage is that the token can be valid once the middleware
        passed, and invalid (timed-out) during a view rendering and this

openstack_auth/views.py

@@ -153,12 +153,11 @@ def websso(request):
 def logout(request, login_url=None, **kwargs):
     """Logs out the user if he is logged in. Then redirects to the log-in page.
 
-    .. param:: login_url
+    :param login_url:
+        Once logged out, defines the URL where to redirect after login
 
-       Once logged out, defines the URL where to redirect after login
-
-    .. param:: kwargs
-       see django.contrib.auth.views.logout_then_login extra parameters.
+    :param kwargs:
+        see django.contrib.auth.views.logout_then_login extra parameters.
 
     """
     msg = 'Logging out user "%(username)s".' % \