Quick script to check glyph sets of fonts against each other

FindMissingGlyphsInFonts.py

from mojo.UI import GetFile

font_paths = GetFile(allowsMultipleSelection=True)
fonts = FontsList()

for font_path in font_paths:
    f = OpenFont(font_path, showInterface=False)
    fonts.append(f)
glyph_set_dict = {}

for i, this_font in enumerate(fonts):
    for glyphName in this_font.glyphOrder:
        if glyphName not in glyph_set_dict.keys():
            glyph_set_dict[glyphName] = [i]
        else:
            glyph_set_dict[glyphName].append(i)

for key in glyph_set_dict.keys():
    missing = [font_index for font_index in list(range(len(fonts))) if font_index not in glyph_set_dict[key]]    
    for item in missing:
        print ('{0} is missing in {1} {2}'.format(str(key), fonts[item].info.familyName, fonts[item].info.styleName))