Cosimo Lupo anthrotype

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debating umlauts

Anthrofoologist, type nerd, pythonista, iFanboy

anthrotype / find_duplicate_link_metrics_params.py

Created November 26, 2025 14:18

Find masters with duplicate Link Metrics With Master parameters

	#!/usr/bin/env python
	"""Find masters with duplicate Link Metrics With Master parameters."""

	import sys
	from glyphsLib import GSFont

	font = GSFont(sys.argv[1])

	duplicates_found = 0
	for master in font.masters:

anthrotype / draw_glyph_width.py

Created August 15, 2025 16:10

Use fonttools to draw a variable glyph's advance width at a given location

	import sys
	from fontTools.pens.basePen import NullPen
	from fontTools.ttLib import TTFont

	if len(sys.argv) < 3:
	print("usage: draw_glyph_advance.py fontfile.ttf glyphname [tag=value ...]")
	sys.exit(1)

	input_file, glyph_name = sys.argv[1:3]
	print(f"glyph: {glyph_name}")

anthrotype / add_ot_features.py

Last active June 12, 2025 13:00

Example script for Cibu using fontTools to add blwm feature to an existing font

	"""
	Usage:

	python add_ot_feature.py Sulekha.ttf Sulekha_new.ttf
	"""

	import sys
	from fontTools.ttLib import TTFont
	from fontTools.feaLib.builder import addOpenTypeFeaturesFromString

anthrotype / prune_unused_lookups.py

Created October 16, 2024 15:16

Prune unused lookups from GPOS and GSUB tables

	"""Use FontTools subsetter's prune_lookup method to remove all unreferenced lookups from GPOS and GSUB tables."""

	import sys
	from fontTools.misc.cliTools import makeOutputFileName
	from fontTools.ttLib import TTFont

	# importing this dynamically adds a prune_lookups method to GPOS/GSUB classes
	from fontTools import subset

	input_file = sys.argv[1]

anthrotype / sample_mark_mkmk_features.py

Created September 14, 2023 10:30

sample_mark_mkmk_features.py

	from ufo2ft.featureWriters.markFeatureWriter import MarkFeatureWriter
	from fontTools.feaLib.ast import FeatureFile
	from ufoLib2 import Font

	fea = FeatureFile()

	font = Font()

	a = font.newGlyph("a")
	a.appendAnchor({"name": "top", "x": 500, "y": 600})

anthrotype / add_fvar_axis.py

Last active June 6, 2023 10:22

Script to append a new axis to fvar and related variation tables

	import sys
	import argparse
	import logging

	from fontTools.ttLib import TTFont
	from fontTools.ttLib.tables._f_v_a_r import Axis
	from fontTools.varLib.builder import buildVarRegionAxis


	log = logging.getLogger("add_fvar_axis.py")

anthrotype / test_incompatible.py

Created April 28, 2023 18:21

	"""
	The contours from https://gist.github.com/rsheeter/cef6cf71fa9e519c94f9f0d23906e5de are in fact not compatible
	and this even before we attempt to reverse them.

	See https://github.com/fonttools/fonttools/issues/3093
	"""
	from ufoLib2 import Font
	from ufo2ft import compileInterpolatableTTFs

anthrotype / get_gvar_masters.py

Created April 13, 2022 15:11

Print all the glyph 'master' locations from a variable TTF (user-scale coordinates).

	"""Print all the glyph 'master' locations from a variable TTF (user-scale coordinates).

	A 'master' along a given axis is where a delta-set region peaks.
	"""

	from fontTools.varLib.models import piecewiseLinearMap


	def map_axis_values(axis_mappings, location):
	return {

anthrotype / time_ufoLib2_json.py

Created November 19, 2021 10:58

	import logging
	import shutil
	import os

	from fontTools.misc.loggingTools import Timer
	import orjson

	from ufoLib2.converters import json_converter as c
	from ufoLib2.objects import Font

anthrotype / freeze_requirements.py

Created June 25, 2021 18:41

Similar to pip freeze, but only listing the installed dependencies for the selected package.

	"""
	Similar to pip freeze, but only listing the installed dependencies for the selected package.

	E.g.:
	$ python freeze_requirements.py fonttools[ufo]
	# Installed requirements for 'fonttools[ufo]' (5 in total):

	appdirs==1.4.4
	fonttools==4.24.4
	fs==2.4.13