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from fontTools.misc.xmlWriter import XMLWriter
from fontTools.ttLib import TTFont
from fontTools import mtiLib
import difflib
from io import StringIO
import os
import sys
import unittest
class MtiTest(unittest.TestCase):
GLYPH_ORDER = ['.notdef',
'a', 'b', 'pakannada', 'phakannada', 'vakannada', 'pevowelkannada',
'phevowelkannada', 'vevowelkannada', 'uvowelsignkannada', 'uuvowelsignkannada',
'uvowelsignaltkannada', 'uuvowelsignaltkannada', 'uuvowelsignsinh',
'uvowelsignsinh', 'rakarsinh', 'zero', 'one', 'two', 'three', 'four', 'five',
'six', 'seven', 'eight', 'nine', 'slash', 'fraction', 'A', 'B', 'C', 'fi',
'fl', 'breve', 'acute', 'uniFB01', 'ffi', 'grave', 'commaacent', 'dotbelow',
'dotabove', 'cedilla', 'commaaccent', 'Acircumflex', 'V', 'T', 'acircumflex',
'Aacute', 'Agrave', 'O', 'Oacute', 'Ograve', 'Ocircumflex', 'aacute', 'agrave',
'aimatrabindigurmukhi', 'aimatragurmukhi', 'aimatratippigurmukhi',
'aumatrabindigurmukhi', 'aumatragurmukhi', 'bindigurmukhi',
'eematrabindigurmukhi', 'eematragurmukhi', 'eematratippigurmukhi',
'oomatrabindigurmukhi', 'oomatragurmukhi', 'oomatratippigurmukhi',
'lagurmukhi', 'lanuktagurmukhi', 'nagurmukhi', 'nanuktagurmukhi',
'ngagurmukhi', 'nganuktagurmukhi', 'nnagurmukhi', 'nnanuktagurmukhi',
'tthagurmukhi', 'tthanuktagurmukhi', 'bsuperior', 'isuperior', 'vsuperior',
'wsuperior', 'periodsuperior', 'osuperior', 'tsuperior', 'dollarsuperior',
'fsuperior', 'gsuperior', 'zsuperior', 'dsuperior', 'psuperior', 'hsuperior',
'oesuperior', 'aesuperior', 'centsuperior', 'esuperior', 'lsuperior',
'qsuperior', 'csuperior', 'asuperior', 'commasuperior', 'xsuperior',
'egravesuperior', 'usuperior', 'rsuperior', 'nsuperior', 'ssuperior',
'msuperior', 'jsuperior', 'ysuperior', 'ksuperior', 'guilsinglright',
'guilsinglleft', 'uniF737', 'uniE11C', 'uniE11D', 'uniE11A', 'uni2077',
'uni2087', 'uniE11B', 'uniE119', 'uniE0DD', 'uniE0DE', 'uniF736', 'uniE121',
'uniE122', 'uniE11F', 'uni2076', 'uni2086', 'uniE120', 'uniE11E', 'uniE0DB',
'uniE0DC', 'uniF733', 'uniE12B', 'uniE12C', 'uniE129', 'uni00B3', 'uni2083',
'uniE12A', 'uniE128', 'uniF732', 'uniE133', 'uniE134', 'uniE131', 'uni00B2',
'uni2082', 'uniE132', 'uniE130', 'uniE0F9', 'uniF734', 'uniE0D4', 'uniE0D5',
'uniE0D2', 'uni2074', 'uni2084', 'uniE0D3', 'uniE0D1', 'uniF730', 'uniE13D',
'uniE13E', 'uniE13A', 'uni2070', 'uni2080', 'uniE13B', 'uniE139', 'uniE13C',
'uniF739', 'uniE0EC', 'uniE0ED', 'uniE0EA', 'uni2079', 'uni2089', 'uniE0EB',
'uniE0E9', 'uniF735', 'uniE0CD', 'uniE0CE', 'uniE0CB', 'uni2075', 'uni2085',
'uniE0CC', 'uniE0CA', 'uniF731', 'uniE0F3', 'uniE0F4', 'uniE0F1', 'uni00B9',
'uni2081', 'uniE0F2', 'uniE0F0', 'uniE0F8', 'uniF738', 'uniE0C0', 'uniE0C1',
'uniE0BE', 'uni2078', 'uni2088', 'uniE0BF', 'uniE0BD', 'I', 'Ismall', 't', 'i',
'f', 'IJ', 'J', 'IJsmall', 'Jsmall', 'tt', 'ij', 'j', 'ffb', 'ffh', 'h', 'ffk',
'k', 'ffl', 'l', 'fft', 'fb', 'ff', 'fh', 'fj', 'fk', 'ft', 'janyevoweltelugu',
'kassevoweltelugu', 'jaivoweltelugu', 'nyasubscripttelugu', 'kaivoweltelugu',
'ssasubscripttelugu', 'bayi1', 'jeemi1', 'kafi1', 'ghafi1', 'laami1', 'kafm1',
'ghafm1', 'laamm1', 'rayf2', 'reyf2', 'yayf2', 'zayf2', 'fayi1', 'ayehf2',
'hamzayeharabf2', 'hamzayehf2', 'yehf2', 'ray', 'rey', 'zay', 'yay', 'dal',
'del', 'zal', 'rayf1', 'reyf1', 'yayf1', 'zayf1', 'ayehf1', 'hamzayeharabf1',
'hamzayehf1', 'yehf1', 'dal1', 'del1', 'zal1', 'onehalf', 'onehalf.alt',
'onequarter', 'onequarter.alt', 'threequarters', 'threequarters.alt',
'AlefSuperiorNS', 'DammaNS', 'DammaRflxNS', 'DammatanNS', 'Fatha2dotsNS',
'FathaNS', 'FathatanNS', 'FourDotsAboveNS', 'HamzaAboveNS', 'MaddaNS',
'OneDotAbove2NS', 'OneDotAboveNS', 'ShaddaAlefNS', 'ShaddaDammaNS',
'ShaddaDammatanNS', 'ShaddaFathatanNS', 'ShaddaKasraNS', 'ShaddaKasratanNS',
'ShaddaNS', 'SharetKafNS', 'SukunNS', 'ThreeDotsDownAboveNS',
'ThreeDotsUpAboveNS', 'TwoDotsAboveNS', 'TwoDotsVerticalAboveNS', 'UltapeshNS',
'WaslaNS', 'AinIni.12m_MeemFin.02', 'AinIni_YehBarreeFin',
'AinMed_YehBarreeFin', 'BehxIni_MeemFin', 'BehxIni_NoonGhunnaFin',
'BehxIni_RehFin', 'BehxIni_RehFin.b', 'BehxMed_MeemFin.py',
'BehxMed_NoonGhunnaFin', 'BehxMed_NoonGhunnaFin.cup', 'BehxMed_RehFin',
'BehxMed_RehFin.cup', 'BehxMed_YehxFin', 'FehxMed_YehBarreeFin',
'HahIni_YehBarreeFin', 'KafIni_YehBarreeFin', 'KafMed.12_YehxFin.01',
'KafMed_MeemFin', 'KafMed_YehBarreeFin', 'LamAlefFin', 'LamAlefFin.cup',
'LamAlefFin.cut', 'LamAlefFin.short', 'LamAlefSep', 'LamIni_MeemFin',
'LamIni_YehBarreeFin', 'LamMed_MeemFin', 'LamMed_MeemFin.b', 'LamMed_YehxFin',
'LamMed_YehxFin.cup', 'TahIni_YehBarreeFin', 'null', 'CR', 'space',
'exclam', 'quotedbl', 'numbersign',
]
# Feature files in data/*.txt; output gets compared to data/*.ttx.
TESTS = {
None: (
'mti/cmap',
),
'cmap': (
'mti/cmap',
),
'GSUB': (
'featurename-backward',
'featurename-forward',
'lookupnames-backward',
'lookupnames-forward',
'mixed-toplevels',
'mti/scripttable',
'mti/chainedclass',
'mti/chainedcoverage',
'mti/chained-glyph',
'mti/gsubalternate',
'mti/gsubligature',
'mti/gsubmultiple',
'mti/gsubreversechanined',
'mti/gsubsingle',
),
'GPOS': (
'mti/scripttable',
'mti/chained-glyph',
'mti/gposcursive',
'mti/gposkernset',
'mti/gposmarktobase',
'mti/gpospairclass',
'mti/gpospairglyph',
'mti/gpossingle',
'mti/mark-to-ligature',
),
'GDEF': (
'mti/gdefattach',
'mti/gdefclasses',
'mti/gdefligcaret',
'mti/gdefmarkattach',
'mti/gdefmarkfilter',
),
}
# TODO:
# https://github.com/Monotype/OpenType_Table_Source/issues/12
#
# 'mti/featuretable'
# 'mti/contextclass'
# 'mti/contextcoverage'
# 'mti/context-glyph'
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):
pass
def tearDown(self):
pass
@staticmethod
def getpath(testfile):
path, _ = os.path.split(__file__)
return os.path.join(path, "data", testfile)
def expect_ttx(self, expected_ttx, actual_ttx, fromfile=None, tofile=None):
expected = [l+'\n' for l in expected_ttx.split('\n')]
actual = [l+'\n' for l in actual_ttx.split('\n')]
if actual != expected:
sys.stderr.write('\n')
for line in difflib.unified_diff(
expected, actual, fromfile=fromfile, tofile=tofile):
sys.stderr.write(line)
self.fail("TTX output is different from expected")
@classmethod
def create_font(celf):
font = TTFont()
font.setGlyphOrder(celf.GLYPH_ORDER)
return font
def check_mti_file(self, name, tableTag=None):
xml_expected_path = self.getpath("%s.ttx" % name + ('.'+tableTag if tableTag is not None else ''))
with open(xml_expected_path, 'rt', encoding="utf-8") as xml_expected_file:
xml_expected = xml_expected_file.read()
font = self.create_font()
with open(self.getpath("%s.txt" % name), 'rt', encoding="utf-8") as f:
table = mtiLib.build(f, font, tableTag=tableTag)
if tableTag is not None:
self.assertEqual(tableTag, table.tableTag)
tableTag = table.tableTag
# Make sure it compiles.
blob = table.compile(font)
# Make sure it decompiles.
decompiled = table.__class__()
decompiled.decompile(blob, font)
# XML from built object.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
table.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_built = writer.file.getvalue()
# XML from decompiled object.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
decompiled.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_binary = writer.file.getvalue()
self.expect_ttx(xml_binary, xml_built, fromfile='decompiled', tofile='built')
self.expect_ttx(xml_expected, xml_built, fromfile=xml_expected_path, tofile='built')
from fontTools.misc import xmlReader
f = StringIO()
f.write(xml_expected)
f.seek(0)
font2 = TTFont()
font2.setGlyphOrder(font.getGlyphOrder())
reader = xmlReader.XMLReader(f, font2)
reader.read(rootless=True)
# XML from object read from XML.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
font2[tableTag].toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_fromxml = writer.file.getvalue()
self.expect_ttx(xml_expected, xml_fromxml, fromfile=xml_expected_path, tofile='fromxml')
def generate_mti_file_test(name, tableTag=None):
return lambda self: self.check_mti_file(os.path.join(*name.split('/')), tableTag=tableTag)
for tableTag,tests in MtiTest.TESTS.items():
for name in tests:
setattr(MtiTest, "test_MtiFile_%s%s" % (name, '_'+tableTag if tableTag else ''),
generate_mti_file_test(name, tableTag=tableTag))
if __name__ == "__main__":
if len(sys.argv) > 1:
from fontTools.mtiLib import main
font = MtiTest.create_font()
sys.exit(main(sys.argv[1:], font))
sys.exit(unittest.main())
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