chatExcel

"""Specialization of fontTools.misc.visitor to work with TTFont.""" from fontTools.misc.visitor import Visitor from fontTools.ttLib import TTFont class TTVisitor(Visitor): def visitAttr(self, obj, attr, value, *args, **kwargs): if isinstance(value, TTFont): return False super().visitAttr(obj, attr, value, *args, **kwargs) def visit(self, obj, *args, **kwargs): if hasattr(obj, "ensureDecompiled"): obj.ensureDecompiled(recurse=False) super().visit(obj, *args, **kwargs) @TTVisitor.register(TTFont) def visit(visitor, font, *args, **kwargs): # Some objects have links back to TTFont; even though we # have a check in visitAttr to stop them from recursing # onto TTFont, sometimes they still do, for example when # someone overrides visitAttr. if hasattr(visitor, "font"): return False visitor.font = font for tag in font.keys(): visitor.visit(font[tag], *args, **kwargs) del visitor.font return False