Loads a sol file and returns a L{SOL} object.

    @param name_or_file: Name of file, or file-object.
    @type name_or_file: C{string}

def load(name_or_file):
    """
    Loads a sol file and returns a L{SOL} object.

    @param name_or_file: Name of file, or file-object.
    @type name_or_file: C{string}
    """
    f = name_or_file
    opened = False

    if isinstance(name_or_file, basestring):
        f = open(name_or_file, 'rb')
        opened = True
    elif not hasattr(f, 'read'):
        raise ValueError('Readable stream expected')

    name, values = decode(f.read())
    s = SOL(name)

    for n, v in values.iteritems():
        s[n] = v

    if opened is True:
        f.close()

    return s