nerd-fonts/font-patcher

#!/usr/bin/env python2

import sys
import psMat
import re
import os.path

try:
	#Load the module
	import fontforge

except ImportError:
	sys.stderr.write("FontForge module could not be loaded. Try installing fontforge python bindings\n")
	sys.exit(1)

print "using fontforge package version: " + str(fontforge.__version__)

sourceFont = fontforge.open(sys.argv[1])

# rename font
fontname, style = re.match("^([^-]*)(?:(-.*))?$", sourceFont.fontname).groups()
sourceFont.familyname = sourceFont.familyname + " Plus Nerd File Types"
sourceFont.fullname = sourceFont.fullname + " Plus Nerd File Types"
sourceFont.fontname = fontname + 'PlusNerdFileTypes'
sourceFont.appendSFNTName('English (US)', 'Preferred Family', sourceFont.familyname)
sourceFont.appendSFNTName('English (US)', 'Compatible Full', sourceFont.fullname)

# glyph font

sourceFont_em_original = sourceFont.em

# glyph fonts

#Open a font
glyphFont1=fontforge.open("glyph-source-fonts/original-source.otf")
## @todo improve/fix
sourceFont.em = glyphFont1.em
#select unicodes:
glyphFont1.selection.select(("ranges","unicode"),0xE500,0xE51D)
#Copy those glyphs into the clipboard:
glyphFont1.copy()

#select unicodes:
sourceFont.selection.select(("ranges","unicode"),0xE600,0xE61D)
#paste the glyphs above in:
sourceFont.paste()

# fix scaling of glyphs
sourceFont.em = sourceFont_em_original

### even more glyphs

##Open a font
glyphFont2=fontforge.open("glyph-source-fonts/devicons.ttf")
## @todo improve/fix
sourceFont.em = glyphFont2.em
##select unicodes:
glyphFont2.selection.select(("ranges","unicode"),0xE600,0xE6A4)
##Copy those glyphs into the clipboard
glyphFont2.copy()
#
#
## #select unicodes
sourceFont.selection.select(("ranges","unicode"),0xE700,0xE7A4)
##paste the glyphs above in:
sourceFont.paste()

# fix scaling of glyphs
sourceFont.em = sourceFont_em_original

extension = os.path.splitext(sourceFont.path)[1]

# @todo later add option to generate the sfd?
#sourceFont.save(sourceFont.fullname + ".sfd")

sourceFont.generate(sourceFont.fullname + extension)

print "Generated"
print sourceFont.fullname
print sourceFont.fontname