'Initializes a new FileOpenIDStore.  This initializes the
nonce and association directories, which are subdirectories of
the directory passed in.
@param directory: This is the directory to put the store
directories in.
@type directory: C{str}'

def __init__(self, directory):

    directory = os.path.normpath(os.path.abspath(directory))
    self.nonce_dir = os.path.join(directory, 'nonces')
    self.association_dir = os.path.join(directory, 'associations')
    self.temp_dir = os.path.join(directory, 'temp')
    self.max_nonce_age = ((6 * 60) * 60)
    self._setup()
