old_contents: """
  dsq_postgres.backend.helpers
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  :copyright: (c) 2010-2012 DISQUS.
  :license: Apache License 2.0, see LICENSE for more details.
  """
  
  import psycopg2
  from django.db.utils import DatabaseError
  
  
  def can_reconnect(exc):
      if isinstance(exc, psycopg2.InterfaceError):
          return True
      elif isinstance(exc, psycopg2.OperationalError):
          exc_msg = str(exc)
          if "can't fetch default_isolation_level" in exc_msg:
              return True
          elif "can't set datestyle to ISO" in exc_msg:
              return True
          return True
      elif isinstance(exc, DatabaseError):
          if 'server closed the connection unexpectedly' in str(exc):
              return True
      return False
  
new_contents: """
  dsq_postgres.backend.helpers
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  :copyright: (c) 2010-2012 DISQUS.
  :license: Apache License 2.0, see LICENSE for more details.
  """
  
  import psycopg2
  from django.db.utils import DatabaseError
  
  
  def can_reconnect(exc):
      if isinstance(exc, psycopg2.InterfaceError):
          return True
      elif isinstance(exc, psycopg2.OperationalError):
          exc_msg = str(exc)
          if "can't fetch default_isolation_level" in exc_msg:
              return True
          elif "can't set datestyle to ISO" in exc_msg:
              return True
          return True
      elif isinstance(exc, DatabaseError):
          exc_msg = str(exc)
          if 'server closed the connection unexpectedly' in exc_msg:
              return True
          elif 'client_idle_timeout' in exc_msg:
              return True
      return False
  
subject: Reconnect on client_idle_timeout