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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def read(parser, stream):
 """ Return an AST from the input ES5 stream. Arguments parser A parser instance. stream Either a stream object or a callable that produces one. The stream object to read from; its 'read' method will be invoked. If a callable was provided, the 'close' method on its return value will be called to close the stream. """


    source = stream() if callable(stream) else stream
    try:
        text = source.read()
        stream_name = getattr(source, 'name', None)
        try:
            result = parser(text)
        except ECMASyntaxError as e:
            error_name = repr_compat(stream_name or source)
            raise type(e)('%s in %s' % (str(e), error_name))
    finally:
        if callable(stream):
            source.close()

    result.sourcepath = stream_name
    return result