(value)
return disp_header
disposition-type *( ";" parameter )
disposition-type *( ";" parameter )
disposition - type * ( ; parameter )
def parse_content_disposition_header(value):
    """ disposition-type *( ";" parameter )

    """
    disp_header = ContentDisposition()
    if not value:
        disp_header.defects.append(errors.HeaderMissingRequiredValue(
            "Missing content disposition"))
        return disp_header
    try:
        token, value = get_token(value)
    except errors.HeaderParseError:
        disp_header.defects.append(errors.InvalidHeaderDefect(
            "Expected content disposition but found {!r}".format(value)))
        _find_mime_parameters(disp_header, value)
        return disp_header
    disp_header.append(token)
    disp_header.content_disposition = token.value.strip().lower()
    if not value:
        return disp_header
    if value[0] != ';':
        disp_header.defects.append(errors.InvalidHeaderDefect(
            "Only parameters are valid after content disposition, but "
            "found {!r}".format(value)))
        _find_mime_parameters(disp_header, value)
        return disp_header
    disp_header.append(ValueTerminal(';', 'parameter-separator'))
    disp_header.append(parse_mime_parameters(value[1:]))
    return disp_header
def parse_content_disposition_header ( value ) : disp_header = ContentDisposition ( ) if not value : disp_header . defects . append ( errors . HeaderMissingRequiredValue ( "Missing content disposition" ) ) return disp_header try : token , value = get_token ( value ) except errors . HeaderParseError : disp_header . defects . append ( errors . InvalidHeaderDefect ( "Expected content disposition but found {!r}" . format ( value ) ) ) _find_mime_parameters ( disp_header , value ) return disp_header disp_header . append ( token ) disp_header . content_disposition = token . value . strip ( ) . lower ( ) if not value : return disp_header if value [ 0 ] != ';' : disp_header . defects . append ( errors . InvalidHeaderDefect ( "Only parameters are valid after content disposition, but " "found {!r}" . format ( value ) ) ) _find_mime_parameters ( disp_header , value ) return disp_header disp_header . append ( ValueTerminal ( ';' , 'parameter-separator' ) ) disp_header . append ( parse_mime_parameters ( value [ 1 : ] ) ) return disp_header