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Raise more useful error when tfm file is missing #4521

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Merged
merged 2 commits into from
Jun 14, 2015
Merged

Raise more useful error when tfm file is missing #4521

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a66b87f
Raise more useful error when tfm file is missing
jkseppan Jun 14, 2015
d7edc1c
Fix font name in error message
jkseppan Jun 14, 2015
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7 changes: 5 additions & 2 deletions lib/matplotlib/dviread.py
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Original file line number Diff line number Diff line change
Expand Up @@ -395,15 +395,18 @@ def _xxx(self, special):
'debug')

def _fnt_def(self, k, c, s, d, a, l, n):
tfm = _tfmfile(n[-l:].decode('ascii'))
fontname = n[-l:].decode('ascii')
tfm = _tfmfile(fontname)
if tfm is None:
raise FileNotFoundError("missing font metrics file: %s" % fontname)
if c != 0 and tfm.checksum != 0 and c != tfm.checksum:
raise ValueError('tfm checksum mismatch: %s'%n)
# It seems that the assumption behind the following check is incorrect:
#if d != tfm.design_size:
# raise ValueError, 'tfm design size mismatch: %d in dvi, %d in %s'%\
# (d, tfm.design_size, n)

vf = _vffile(n[-l:].decode('ascii'))
vf = _vffile(fontname)

self.fonts[k] = DviFont(scale=s, tfm=tfm, texname=n, vf=vf)

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