Adds script for verifying font files

misc/pylib/extractor/formats/ttx.py

@@ -0,0 +1,28 @@
+from extractor.formats.opentype import extractOpenTypeInfo, extractOpenTypeGlyphs, extractOpenTypeKerning
+
+def isTTX(pathOrFile):
+    from fontTools.ttLib import TTFont, TTLibError
+    try:
+        font = TTFont()
+        font.importXML(pathOrFile)
+        del font
+    except TTLibError:
+        return False
+    return True
+
+def extractFontFromTTX(pathOrFile, destination, doGlyphs=True, doInfo=True, doKerning=True, customFunctions=[]):
+    from fontTools.ttLib import TTFont, TTLibError
+    source = TTFont()
+    source.importXML(pathOrFile)
+    if doInfo:
+        extractOpenTypeInfo(source, destination)
+    if doGlyphs:
+        extractOpenTypeGlyphs(source, destination)
+    if doKerning:
+        kerning, groups = extractOpenTypeKerning(source, destination)
+        destination.groups.update(groups)
+        destination.kerning.clear()
+        destination.kerning.update(kerning)
+    for function in customFunctions:
+        function(source, destination)
+    source.close()