parameters: (self, machine = None)
docstring: Opens a local or remote registry.
  
          @type  machine: str
          @param machine: Optional machine name. If C{None} it opens the local
              registry.
docstring_summary: Opens a local or remote registry.
docstring_tokens: Opens a local or remote registry .
function: def __init__(self, machine = None):
          """
          Opens a local or remote registry.
  
          @type  machine: str
          @param machine: Optional machine name. If C{None} it opens the local
              registry.
          """
          self._machine = machine
          self._remote_hives = {}
function_tokens: def __init__ ( self , machine = None ) : self . _machine = machine self . _remote_hives = { }