old_contents: """
  Django messaging made easy.
  
  """
  VERSION = (1, 0, 0)
  
  __version__ = '.'.join((str(each) for each in VERSION[:4]))
  
  def get_version():
      """
      Returns string with digit parts only as version.
  
      """
      return '.'.join((str(each) for each in VERSION[:3]))
  
new_contents: """
  Django messaging made easy.
  
  """
  from django.conf import settings
  from django.core import urlresolvers
  from django.core.exceptions import ImproperlyConfigured
  from umessages.forms import ComposeForm
  
  from django.utils.importlib import import_module
  
  VERSION = (1, 0, 0)
  
  __version__ = '.'.join((str(each) for each in VERSION[:4]))
  
  DEFAULT_MESSAGES_APP = 'umessages'
  
  def get_version():
      """
      Returns string with digit parts only as version.
  
      """
      return '.'.join((str(each) for each in VERSION[:3]))
  
  def get_message_app():
      """
      Get the message app (i.e. "umessages") as defined in the settings
      """
      # Make sure the app's in INSTALLED_APPS
      messages_app = get_message_app_name()
      if messages_app not in settings.INSTALLED_APPS:
          raise ImproperlyConfigured("The MESSAGES_APP (%r) "\
                                     "must be in INSTALLED_APPS" % settings.MESSAGES_APP)
  
      # Try to import the package
      try:
          package = import_module(messages_app)
      except ImportError as e:
          raise ImproperlyConfigured("The MESSAGES_APP setting refers to "\
                                     "a non-existing package. (%s)" % e)
  
      return package
  
  def get_message_app_name():
      """
      Returns the name of the message app (either the setting value, if it
      exists, or the default).
      """
      return getattr(settings, 'MESSAGES_APP', DEFAULT_MESSAGES_APP)
  
  
  def get_form():
      """
      Returns the message ModelForm class.
      """
      if get_message_app_name() != DEFAULT_MESSAGES_APP and hasattr(get_message_app(), "get_form"):
          return get_message_app().get_form()
      else:
          return MessageForm
  
subject: Add get_form get_message_app get_message_app_name