Ohruri generate script.

ohruri.py

#!/usr/bin/env fontforge -lang=py -script
# -*- coding: utf-8 -*-

import fontforge
from datetime import date

# Open Sans のあるディレクトリのパス
opensans_path = "./Open_Sans"

# Mgen+ のあるディレクトリのパス
mgen_path = "./mgen"

# Ohruri を生成するディレクトリのパス
# 同じディレクトリに一時ファイルも生成される
ohruri_path = "./Ohruri"

# .sfd を出力するディレクトリのパス
sfd_path ="./Ohruri"

# フォントリスト
# Open Sans ファイル名, Mgen+ ファイル名, Ohruri ウェイト
# Open Sans は http://www.fontsquirrel.com/fonts/open-sans から
# 入手するとSemiboldとExtraBoldで表記ゆれがあって最悪.
font_list = [
    ("OpenSans-Light.ttf", "mgenplus-1p-light.ttf", "Light"),
    ("OpenSans-Regular.ttf", "mgenplus-1p-regular.ttf", "Regular"),
    ("OpenSans-Semibold.ttf", "mgenplus-1p-medium.ttf", "Semibold"),
    ("OpenSans-Bold.ttf", "mgenplus-1p-bold.ttf", "Bold"),
    ("OpenSans-ExtraBold.ttf", "mgenplus-1p-heavy.ttf", "Extrabold"),
]

def main():
    # 縦書き対応
    fontforge.setPrefs('CoverageFormatsAllowed', 1)

    # バージョンを今日の日付から生成する
    today = date.today()
    version = "Ohruri-{0}".format(today.strftime("%Y%m%d"))

    for (op, mp, weight) in font_list:
        op_path = "{0}/{1}".format(opensans_path, op)
        mp_path = "{0}/{1}".format(mgen_path, mp)
        oh_path = "{0}/Ohruri-{1}.ttf".format(ohruri_path, weight)
        sf_path = "{0}/Ohruri-{1}".format(sfd_path, weight)
        generate_ohruri(op_path, mp_path, oh_path, sf_path, weight, version)

def ohruri_sfnt_names(weight, version):
    return (
        ('English (US)', 'Copyright',
         '''\
         Ohruri: Copylight (c) 2015 lindwurm.

         Open Sans: Copyright (c) 2011 Google Corporation.

		 M+ OUTLINE FONTS: Copyright (C) 2015 M+ FONTS PROJECT.
		 Source Han Sans: Copyright(c) 2014 Adobe Systems Incorporated. All Rights Reserved.
         '''),
        ('English (US)', 'Family', 'Ohruri {0}'.format(weight)),
        ('English (US)', 'SubFamily', weight),
        ('English (US)', 'Fullname', 'Ohruri-{0}'.format(weight)),
        ('English (US)', 'Version', version),
        ('English (US)', 'PostScriptName', 'Ohruri-{0}'.format(weight)),
        ('English (US)', 'Vendor URL', 'http://koruri.lindwurm.biz'),
        ('English (US)', 'Preferred Family', 'Ohruri'),
        ('English (US)', 'Preferred Styles', weight),
        ('Japanese', 'Preferred Family', 'Ohruri'),
        ('Japanese', 'Preferred Styles', weight),
    )

def ohruri_gasp():
    return (
        (8, ('antialias',)),
        (13, ('antialias', 'symmetric-smoothing')),
        (65535, ('gridfit', 'antialias', 'symmetric-smoothing', 'gridfit+smoothing')),
    )

def generate_ohruri(op_path, mp_path, oh_path, sf_path, weight, version):
    # Mgen+ を開く
    font = fontforge.open(mp_path)

    # EMの大きさを2048に設定する
    font.em = 2048

    # Open Sans を開く
    opfont = fontforge.open(op_path)

    # Open Sans に含まれるグリフを削除する
    font.selection.none()
    opfont.selection.all()
    for glyph in opfont.selection.byGlyphs:
        if glyph.glyphname in font:
            font.selection.select(("more",), glyph.glyphname)
    font.clear()
        
    # Open Sans をマージする
    font.mergeFonts(op_path)

    # フォント情報の設定
    font.sfnt_names = ohruri_sfnt_names(weight, version)
    font.os2_vendor = "maud"

    # Grid Fittingの設定
    font.gasp = ohruri_gasp()

    # .sfd を出力
    source = sf_path + ".sfd"
    font.save(source) 

    # TTF の生成
    font.generate(oh_path, '', ('short-post', 'opentype', 'PfEd-lookups'))

if __name__ == '__main__':
    main()