How to use the emoji.core.scripts.createfont._EmojiData function in emoji

def read_emoji_sequences(emoji_data_map, file_path):
    """Reads the content of the file which contains emoji sequences. Creates EmojiData for each
    line and puts into emoji_data_map."""
    lines = read_emoji_lines(file_path)
    # 1F1E6 1F1E8 ; Name ; [...]
    for line in lines:
        codepoints = [hex_str_to_int(x) for x in line.split(';')[0].strip().split(' ')]
        codepoints = [x for x in codepoints if x != EMOJI_STYLE_VS]
        key = codepoint_to_string(codepoints)
        if not key in emoji_data_map:
            emoji_data = _EmojiData(codepoints, False)
            emoji_data_map[key] = emoji_data

for line in lines:
        codepoints_range, emoji_property = codepoints_and_emoji_prop(line)
        is_emoji_style = emoji_property == EMOJI_PRESENTATION_STR
        codepoints = codepoints_for_emojirange(codepoints_range)

        for codepoint in codepoints:
            key = codepoint_to_string([codepoint])
            codepoint_is_emoji_style = is_emoji_style or codepoint in emoji_style_exceptions
            if key in emoji_data_map:
                # since there are multiple definitions of emojis, only update when emoji style is
                # True
                if codepoint_is_emoji_style:
                    emoji_data_map[key].emoji_style = True
            else:
                emoji_data = _EmojiData([codepoint], codepoint_is_emoji_style)
                emoji_data_map[key] = emoji_data