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from fontTools.ttLib import TTFont
from fontTools.varLib.interpolatable import main as interpolatable_main
import os
import shutil
import sys
import tempfile
import unittest
import pytest
try:
import scipy
except:
scipy = None
try:
import munkres
except ImportError:
munkres = None
@unittest.skipUnless(scipy or munkres, "scipy or munkres not installed")
class InterpolatableTest(unittest.TestCase):
def __init__(self, methodName):
unittest.TestCase.__init__(self, methodName)
# Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
# and fires deprecation warnings if a program uses the old name.
if not hasattr(self, "assertRaisesRegex"):
self.assertRaisesRegex = self.assertRaisesRegexp
def setUp(self):
self.tempdir = None
self.num_tempfiles = 0
def tearDown(self):
if self.tempdir:
shutil.rmtree(self.tempdir)
@staticmethod
def get_test_input(*test_file_or_folder):
path, _ = os.path.split(__file__)
return os.path.join(path, "data", *test_file_or_folder)
@staticmethod
def get_file_list(folder, suffix, prefix=""):
all_files = os.listdir(folder)
file_list = []
for p in all_files:
if p.startswith(prefix) and p.endswith(suffix):
file_list.append(os.path.abspath(os.path.join(folder, p)))
return file_list
def temp_path(self, suffix):
self.temp_dir()
self.num_tempfiles += 1
return os.path.join(self.tempdir, "tmp%d%s" % (self.num_tempfiles, suffix))
def temp_dir(self):
if not self.tempdir:
self.tempdir = tempfile.mkdtemp()
def compile_font(self, path, suffix, temp_dir):
ttx_filename = os.path.basename(path)
savepath = os.path.join(temp_dir, ttx_filename.replace(".ttx", suffix))
font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
font.importXML(path)
font.save(savepath, reorderTables=None)
return font, savepath
# -----
# Tests
# -----
def test_interpolatable_ttf(self):
suffix = ".ttf"
ttx_dir = self.get_test_input("master_ttx_interpolatable_ttf")
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, ".ttx", "TestFamily2-")
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
ttf_paths = self.get_file_list(self.tempdir, suffix)
self.assertIsNone(interpolatable_main(ttf_paths))
def test_interpolatable_otf(self):
suffix = ".otf"
ttx_dir = self.get_test_input("master_ttx_interpolatable_otf")
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, ".ttx", "TestFamily2-")
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
otf_paths = self.get_file_list(self.tempdir, suffix)
self.assertIsNone(interpolatable_main(otf_paths))
def test_interpolatable_ufo(self):
ttx_dir = self.get_test_input("master_ufo")
ufo_paths = self.get_file_list(ttx_dir, ".ufo", "TestFamily2-")
self.assertIsNone(interpolatable_main(ufo_paths))
def test_designspace(self):
designspace_path = self.get_test_input("InterpolateLayout.designspace")
self.assertIsNone(interpolatable_main([designspace_path]))
def test_glyphsapp(self):
pytest.importorskip("glyphsLib")
glyphsapp_path = self.get_test_input("InterpolateLayout.glyphs")
self.assertIsNone(interpolatable_main([glyphsapp_path]))
def test_VF(self):
suffix = ".ttf"
ttx_dir = self.get_test_input("master_ttx_varfont_ttf")
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, ".ttx", "SparseMasters-")
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
ttf_paths = self.get_file_list(self.tempdir, suffix)
problems = interpolatable_main(["--quiet"] + ttf_paths)
self.assertIsNone(problems)
def test_sparse_interpolatable_ttfs(self):
suffix = ".ttf"
ttx_dir = self.get_test_input("master_ttx_interpolatable_ttf")
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, ".ttx", "SparseMasters-")
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
ttf_paths = self.get_file_list(self.tempdir, suffix)
# without --ignore-missing
problems = interpolatable_main(["--quiet"] + ttf_paths)
self.assertEqual(
problems["a"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["s"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["edotabove"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
self.assertEqual(
problems["dotabovecomb"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
# normal order, with --ignore-missing
self.assertIsNone(interpolatable_main(["--ignore-missing"] + ttf_paths))
# purposely putting the sparse master (medium) first
self.assertIsNone(
interpolatable_main(
["--ignore-missing"] + [ttf_paths[1]] + [ttf_paths[0]] + [ttf_paths[2]]
)
)
# purposely putting the sparse master (medium) last
self.assertIsNone(
interpolatable_main(
["--ignore-missing"] + [ttf_paths[0]] + [ttf_paths[2]] + [ttf_paths[1]]
)
)
def test_sparse_interpolatable_ufos(self):
ttx_dir = self.get_test_input("master_ufo")
ufo_paths = self.get_file_list(ttx_dir, ".ufo", "SparseMasters-")
# without --ignore-missing
problems = interpolatable_main(["--quiet"] + ufo_paths)
self.assertEqual(
problems["a"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["s"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["edotabove"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
self.assertEqual(
problems["dotabovecomb"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
# normal order, with --ignore-missing
self.assertIsNone(interpolatable_main(["--ignore-missing"] + ufo_paths))
# purposely putting the sparse master (medium) first
self.assertIsNone(
interpolatable_main(
["--ignore-missing"] + [ufo_paths[1]] + [ufo_paths[0]] + [ufo_paths[2]]
)
)
# purposely putting the sparse master (medium) last
self.assertIsNone(
interpolatable_main(
["--ignore-missing"] + [ufo_paths[0]] + [ufo_paths[2]] + [ufo_paths[1]]
)
)
def test_sparse_designspace(self):
designspace_path = self.get_test_input("SparseMasters_ufo.designspace")
problems = interpolatable_main(["--quiet", designspace_path])
self.assertEqual(
problems["a"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["s"], [{"type": "missing", "master": "SparseMasters-Medium"}]
)
self.assertEqual(
problems["edotabove"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
self.assertEqual(
problems["dotabovecomb"],
[{"type": "missing", "master": "SparseMasters-Medium"}],
)
# normal order, with --ignore-missing
self.assertIsNone(interpolatable_main(["--ignore-missing", designspace_path]))
def test_sparse_glyphsapp(self):
pytest.importorskip("glyphsLib")
glyphsapp_path = self.get_test_input("SparseMasters.glyphs")
problems = interpolatable_main(["--quiet", glyphsapp_path])
self.assertEqual(
problems["a"], [{"type": "missing", "master": "Sparse Masters-Medium"}]
)
self.assertEqual(
problems["s"], [{"type": "missing", "master": "Sparse Masters-Medium"}]
)
self.assertEqual(
problems["edotabove"],
[{"type": "missing", "master": "Sparse Masters-Medium"}],
)
self.assertEqual(
problems["dotabovecomb"],
[{"type": "missing", "master": "Sparse Masters-Medium"}],
)
# normal order, with --ignore-missing
self.assertIsNone(interpolatable_main(["--ignore-missing", glyphsapp_path]))
def test_interpolatable_varComposite(self):
input_path = self.get_test_input(
"..", "..", "ttLib", "data", "varc-ac00-ac01.ttf"
)
# This particular test font which was generated by machine-learning
# exhibits an "error" in one of the masters; it's a false-positive.
# Just make sure the code runs.
interpolatable_main((input_path,))
if __name__ == "__main__":
sys.exit(unittest.main())
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