font_dataset/generator/helper.py

from fontTools.ttLib import TTFont


__all__ = ['char_in_font']


def char_in_font(unicode_char, font_path):
    font = TTFont(font_path)
    for cmap in font['cmap'].tables:
        if cmap.isUnicode():
            if ord(unicode_char) in cmap.cmap:
                return True
    return False