Several Django styling fixes in the `contrib.sessions` app.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7725 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/sessions/backends/base.py

@@ -5,14 +5,15 @@ import random
 import sys
 import time
 from datetime import datetime, timedelta
-from django.conf import settings
-from django.core.exceptions import SuspiciousOperation
-
 try:
     import cPickle as pickle
 except ImportError:
     import pickle
 
+from django.conf import settings
+from django.core.exceptions import SuspiciousOperation
+
+
 class SessionBase(object):
     """
     Base class for all Session classes.
@@ -169,8 +170,8 @@ class SessionBase(object):
 
     def set_expiry(self, value):
         """
-        Sets a custom expiration for the session. ``value`` can be an integer, a
-        Python ``datetime`` or ``timedelta`` object or ``None``.
+        Sets a custom expiration for the session. ``value`` can be an integer,
+        a Python ``datetime`` or ``timedelta`` object or ``None``.
 
         If ``value`` is an integer, the session will expire after that many
         seconds of inactivity. If set to ``0`` then the session will expire on

django/contrib/sessions/backends/cache.py

@@ -2,6 +2,7 @@ from django.conf import settings
 from django.contrib.sessions.backends.base import SessionBase
 from django.core.cache import cache
 
+
 class SessionStore(SessionBase):
     """
     A cache-based session store.
@@ -23,4 +24,4 @@ class SessionStore(SessionBase):
         return False
 
     def delete(self, session_key):
-        self._cache.delete(session_key)
+        self._cache.delete(session_key)

django/contrib/sessions/backends/db.py

@@ -1,12 +1,14 @@
+import datetime
+
 from django.conf import settings
 from django.contrib.sessions.models import Session
 from django.contrib.sessions.backends.base import SessionBase
 from django.core.exceptions import SuspiciousOperation
-import datetime
+
 
 class SessionStore(SessionBase):
     """
-    Implements database session store
+    Implements database session store.
     """
     def __init__(self, session_key=None):
         super(SessionStore, self).__init__(session_key)

django/contrib/sessions/backends/file.py

@@ -1,9 +1,11 @@
 import os
 import tempfile
+
 from django.conf import settings
 from django.contrib.sessions.backends.base import SessionBase
 from django.core.exceptions import SuspiciousOperation, ImproperlyConfigured
 
+
 class SessionStore(SessionBase):
     """
     Implements a file based session store.
@@ -15,10 +17,10 @@ class SessionStore(SessionBase):
 
         # Make sure the storage path is valid.
         if not os.path.isdir(self.storage_path):
-            raise ImproperlyConfigured("The session storage path %r doesn't exist. "\
-                                       "Please set your SESSION_FILE_PATH setting "\
-                                       "to an existing directory in which Django "\
-                                       "can store session data." % self.storage_path)
+            raise ImproperlyConfigured(
+                "The session storage path %r doesn't exist. Please set your"
+                " SESSION_FILE_PATH setting to an existing directory in which"
+                " Django can store session data." % self.storage_path)
 
         self.file_prefix = settings.SESSION_COOKIE_NAME
         super(SessionStore, self).__init__(session_key)
@@ -31,9 +33,11 @@ class SessionStore(SessionBase):
             session_key = self.session_key
 
         # Make sure we're not vulnerable to directory traversal. Session keys
-        # should always be md5s, so they should never contain directory components.
+        # should always be md5s, so they should never contain directory
+        # components.
         if os.path.sep in session_key:
-            raise SuspiciousOperation("Invalid characters (directory components) in session key")
+            raise SuspiciousOperation(
+                "Invalid characters (directory components) in session key")
 
         return os.path.join(self.storage_path, self.file_prefix + session_key)
 

django/contrib/sessions/middleware.py

@@ -7,6 +7,7 @@ from django.utils.http import cookie_date
 TEST_COOKIE_NAME = 'testcookie'
 TEST_COOKIE_VALUE = 'worked'
 
+
 class SessionMiddleware(object):
 
     def process_request(self, request):
@@ -40,5 +41,4 @@ class SessionMiddleware(object):
                         expires=expires, domain=settings.SESSION_COOKIE_DOMAIN,
                         path=settings.SESSION_COOKIE_PATH,
                         secure=settings.SESSION_COOKIE_SECURE or None)
-
         return response

django/contrib/sessions/models.py

@@ -6,9 +6,12 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from django.conf import settings
 
+
 class SessionManager(models.Manager):
     def encode(self, session_dict):
-        "Returns the given session dictionary pickled and encoded as a string."
+        """
+        Returns the given session dictionary pickled and encoded as a string.
+        """
         pickled = pickle.dumps(session_dict)
         pickled_md5 = md5.new(pickled + settings.SECRET_KEY).hexdigest()
         return base64.encodestring(pickled + pickled_md5)
@@ -21,6 +24,7 @@ class SessionManager(models.Manager):
             s.delete() # Clear sessions with no data.
         return s
 
+
 class Session(models.Model):
     """
     Django provides full support for anonymous sessions. The session
@@ -38,7 +42,8 @@ class Session(models.Model):
     the sessions documentation that is shipped with Django (also available
     on the Django website).
     """
-    session_key = models.CharField(_('session key'), max_length=40, primary_key=True)
+    session_key = models.CharField(_('session key'), max_length=40,
+                                   primary_key=True)
     session_data = models.TextField(_('session data'))
     expire_date = models.DateTimeField(_('expire date'))
     objects = SessionManager()