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Try harder to get a name from file being merged

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This commit is contained in:
Simon Cozens 2021-03-15 12:00:31 +00:00
parent 4cdf3312a5
commit 7fc2e37e41
1 changed files with 9 additions and 2 deletions
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11
Lib/fontTools/varLib/errors.py
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@ -32,11 +32,18 @@ class VarLibMergeError(VarLibError):
self.merger = merger
self.args = args
def _master_name(self, ttf, ix):
if "name" in ttf:
return ttf["name"].getDebugName(1) + " " + ttf["name"].getDebugName(2)
elif hasattr(ttf.reader, "file") and hasattr(ttf.reader.file, "name"):
return ttf.reader.file.name
else:
return "master number %i" % ix
def __str__(self):
cause, stack = self.args[0], self.args[1:]
fontnames = [
ttf["name"].getDebugName(1) + " " + ttf["name"].getDebugName(2)
for ttf in self.merger.ttfs
self._master_name(ttf, ix) for ix, ttf in enumerate(self.merger.ttfs)
]
context = "".join(reversed(stack))
details = ""