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NzMThe supplied info object does not support getting a necessary attribute (%s).)rqr�r��keysrY�getattrr�r r�rr#r�r"�&_convertFontInfoDataVersion3ToVersion2�validateInfoVersion2Datar!�&_convertFontInfoDataVersion2ToVersion1rLr�)r3r�rX�infoDatar�r�r$r$r%� writeInfo�s4 zUFOWriter.writeInfoc Cs�|dkr|j}|r�d}t|�s&t|��x�t|j��D]p\}}t|ttf�sRt|��t|�dksft|��t|dt�s|t|��t|dt�s�t|��t|t �s4t|��q4W|j tjko�|j dk �r|j d}i}x@t|j��D]0\\}} }|j||�}|j| | �} |||| f<q�W|}i} x@|j�D]4\}}|||f}|| k�rHi| |<|| ||<�q"W| �rn|jt| �n|j�r�|jtddd �dS) a� Write kerning.plist. This method requires a dict of kerning pairs as an argument. This performs basic structural validation of the kerning, but it does not check for compliance with the spec in regards to conflicting pairs. The assumption is that the kerning data being passed is standards compliant. ``validate`` will validate the data, by default it is set to the class's validate value, can be overridden. 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