chromium-status: improve status field editing

status.py

 # coding=utf-8
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Status management pages."""
 
 import datetime
 import json
 import re
@@ skipping 119 matching lines @@
 
 class Status(db.Model):
   """Description for the status table."""
   # The username who added this status.
   username = db.StringProperty(required=True)
   # The date when the status got added.
   date = db.DateTimeProperty(auto_now_add=True)
   # The message. It can contain html code.
   message = db.StringProperty(required=True)
 
+  def __init__(self, *args, **kwargs):
+    # Normalize newlines otherwise the DB store barfs.  We don't really want to
+    # make this field handle newlines as none of the places where we output the
+    # content is designed to handle it, nor the clients that consume us.
+    kwargs['message'] = kwargs.get('message', '').replace('\n', ' ')
+    super(Status, self).__init__(*args, **kwargs)
+
   @property
   def username_links(self):
     return LinkableText(self.username)
 
   @property
   def message_links(self):
     return LinkableText(self.message)
 
   @property
   def general_state(self):
@@ skipping 257 matching lines @@
     else:
       put_status(Status(message=new_message, username=self.user.email()))
       self.redirect("/")
 
 
 def bootstrap():
   # Guarantee that at least one instance exists.
   if db.GqlQuery('SELECT __key__ FROM Status').get() is None:
     Status(username='none', message='welcome to status').put()
   LinkableText.bootstrap(BasePage.APP_NAME)