File: apply_featurefile.py

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fonts-lohit-beng-assamese 2.91.5-1
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#!/usr/bin/python
# Copyright (C) 2012, Aravinda VK <hallimanearavind@gmail.com>
#                          http://aravindavk.in

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

import sys
import fontforge


if __name__ == "__main__":
    if len(sys.argv) < 3:
        print("USAGE: python apply_featurefile.py <sfd file> <featurefile>")
    else:
        font = fontforge.open(sys.argv[1])

        # Remove all GSUB lookups
        for lookup in font.gsub_lookups:
            font.removeLookup(lookup)

        # Remove all GPOS lookups 
        # These lines are disable since gpos tables are font specific and simply importing from lohit will not help it.
        for lookup in font.gpos_lookups:
            font.removeLookup(lookup)        

        # Merge the new featurefile 
        font.mergeFeature(sys.argv[2])
        font.save()
        font.close()
        print("[SUCCESS]", sys.argv[2], "feature file applied")