HarfBuzz text shaping engine
http://harfbuzz.github.io/
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125 lines
3.3 KiB
125 lines
3.3 KiB
#!/usr/bin/env python3 |
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import sys, os, subprocess, hashlib |
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def shape_cmd(command): |
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global hb_shape, process |
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print (hb_shape + ' ' + " ".join(command)) |
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process.stdin.write ((';'.join (command) + '\n').encode ("utf-8")) |
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process.stdin.flush () |
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return process.stdout.readline().decode ("utf-8").strip () |
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args = sys.argv[1:] |
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have_freetype = bool(int(os.getenv ('HAVE_FREETYPE', '1'))) |
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if not args or args[0].find('hb-shape') == -1 or not os.path.exists (args[0]): |
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sys.exit ("""First argument does not seem to point to usable hb-shape.""") |
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hb_shape, args = args[0], args[1:] |
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process = subprocess.Popen ([hb_shape, '--batch'], |
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stdin=subprocess.PIPE, |
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stdout=subprocess.PIPE, |
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stderr=sys.stdout) |
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passes = 0 |
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fails = 0 |
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skips = 0 |
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if not len (args): |
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args = ['-'] |
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for filename in args: |
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if filename == '-': |
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print ("Running tests from standard input") |
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else: |
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print ("Running tests in " + filename) |
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if filename == '-': |
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f = sys.stdin |
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else: |
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f = open (filename, encoding='utf8') |
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for line in f: |
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comment = False |
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if line.startswith ("#"): |
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comment = True |
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line = line[1:] |
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if line.startswith (' '): |
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print ("#%s" % line) |
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continue |
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line = line.strip () |
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if not line: |
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continue |
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fontfile, options, unicodes, glyphs_expected = line.split (';') |
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options = options.split () |
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if fontfile.startswith ('/') or fontfile.startswith ('"/'): |
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if os.name == 'nt': # Skip on Windows |
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continue |
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fontfile, expected_hash = (fontfile.split('@') + [''])[:2] |
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try: |
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with open (fontfile, 'rb') as ff: |
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if expected_hash: |
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actual_hash = hashlib.sha1 (ff.read()).hexdigest ().strip () |
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if actual_hash != expected_hash: |
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print ('different version of %s found; Expected hash %s, got %s; skipping.' % |
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(fontfile, expected_hash, actual_hash)) |
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skips += 1 |
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continue |
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except IOError: |
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print ('%s not found, skip.' % fontfile) |
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skips += 1 |
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continue |
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else: |
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cwd = os.path.dirname(filename) |
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fontfile = os.path.normpath (os.path.join (cwd, fontfile)) |
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extra_options = ["--shaper=ot"] |
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if glyphs_expected != '*': |
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extra_options.append("--verify") |
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if comment: |
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print ('# %s "%s" --unicodes %s' % (hb_shape, fontfile, unicodes)) |
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continue |
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if "--font-funcs=ft" in options and not have_freetype: |
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skips += 1 |
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continue |
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if "--font-funcs=ot" in options or not have_freetype: |
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glyphs1 = shape_cmd ([fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options) |
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else: |
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glyphs1 = shape_cmd ([fontfile, "--font-funcs=ft"] + extra_options + ["--unicodes", unicodes] + options) |
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glyphs2 = shape_cmd ([fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options) |
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if glyphs1 != glyphs2 and glyphs_expected != '*': |
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print ("FT funcs: " + glyphs1, file=sys.stderr) |
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print ("OT funcs: " + glyphs2, file=sys.stderr) |
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fails += 1 |
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else: |
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passes += 1 |
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if glyphs1.strip() != glyphs_expected and glyphs_expected != '*': |
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print ("Actual: " + glyphs1, file=sys.stderr) |
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print ("Expected: " + glyphs_expected, file=sys.stderr) |
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fails += 1 |
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else: |
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passes += 1 |
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print ("%d tests passed; %d failed; %d skipped." % (passes, fails, skips), file=sys.stderr) |
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if not (fails + passes): |
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print ("No tests ran.") |
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elif not (fails + skips): |
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print ("All tests passed.") |
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if fails: |
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sys.exit (1) |
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elif passes: |
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sys.exit (0) |
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else: |
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sys.exit (77)
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