How to use the svgpathtools.svg2paths function in svgpathtools

#           It seems that these transformation are used by InkScape but
    #           not by pdf2cairo (which is here used to convert PDF->SVG)

    def is_black(path):
        return any("style" in path and color in path["style"]
                   for color in [r"rgb(0%,0%,0%)", r"#000000"])

    is_handwritten = is_handwritten or is_black

    def remove_unit(string):
        unit = re.findall("[a-z]+", string)
        if unit:
            return string.replace(unit[-1], "")

    strokes = []
    paths, properties, svg_attributes = svg2paths(
        filename,
        return_svg_attributes=True)
    width = float(remove_unit(svg_attributes["width"]))
    height = float(remove_unit(svg_attributes["height"]))
    for path, property_ in zip(paths, properties):
        if not is_handwritten(property_):
            continue
        polynomials = [segment.poly() for segment in path]
        t = np.linspace(0, 1, 10)
        polygon = np.concatenate([segment(t) for segment in polynomials])
        stroke = np.array([polygon.real, polygon.imag]).transpose()
        if "transform" in property_:
            transform = property_["transform"]
            if "matrix" in transform:
                parameters_str = re.findall(r"matrix\((.+)\)", transform)[0]
                parameters = np.array(

filename_filelist_svg_fold = os.path.join(root_folder, 'filelist_fold_%d.txt' % (idx_fold))
        if os.path.exists(filename_filelist_svg_fold):
            print('{}-{} exists, skipping'.format(datetime.now(), filename_filelist_svg_fold))
            continue
        with open(filename_filelist_svg_fold, 'w') as filelist_svg_fold_file:
            for filename in filelist_svg_fold:
                filelist_svg_fold_file.write('%s\n' % (filename))

        idx_h5 = 0
        idx = 0
        filename_filelist_h5 = os.path.join(root_folder, 'fold_%d_files%s.txt' % (idx_fold, tag_aug))
        with open(filename_filelist_h5, 'w') as filelist_h5_file:
            for idx_file, filename in enumerate(filelist_svg_fold):
                filename_svg = os.path.join(folder_svg, filename)
                try:
                    paths, attributes = svg2paths(filename_svg)
                except:
                    filelist_svg_failed.append(filename_svg)
                    print('{}-Failed to parse {}!'.format(datetime.now(), filename_svg))
                    continue

                points_array = np.zeros(shape=(args.point_num, 3), dtype=np.float32)
                normals_array = np.zeros(shape=(args.point_num, 3), dtype=np.float32)

                path = Path()
                for p in paths:
                    p_non_empty = Path()
                    for segment in p:
                        if segment.length() > 0:
                            p_non_empty.append(segment)
                    if len(p_non_empty) != 0:
                        path.append(p_non_empty)