explicitly require 'head' table in TTFont.save()
it's implicitly required anyway, e.g. by ttx's ttCompile, maxp's recalc, OS/2 compile, etc.
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@ -203,8 +203,11 @@ class TTFont(object):
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# assume "file" is a writable file object
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closeStream = False
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if self.recalcTimestamp and 'head' in self:
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self['head'] # make sure 'head' is loaded so the recalculation is actually done
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if 'head' not in self:
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raise TTLibError("missing required table: head")
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elif self.recalcTimestamp and not self.isLoaded('head'):
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# make sure 'head' is loaded so the recalculation is actually done
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self['head']
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tags = list(self.keys())
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if "GlyphOrder" in tags:
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@ -274,7 +274,10 @@ def ttCompile(input, output, options):
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if not options.recalcTimestamp:
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# use TTX file modification time for head "modified" timestamp
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mtime = os.path.getmtime(input)
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ttf['head'].modified = timestampSinceEpoch(mtime)
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try:
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ttf['head'].modified = timestampSinceEpoch(mtime)
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except KeyError:
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raise TTLibError("missing required table: head")
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ttf.save(output)
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