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Ignore invalid chars when subsetting

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Kovid Goyal 2020-04-10 13:11:11 +05:30
parent 9e621844c3
commit 13df336ff5
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1 changed files with 6 additions and 1 deletions
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7
src/calibre/utils/fonts/sfnt/subset.py
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@ -115,7 +115,12 @@ def safe_ord(x):
def subset(raw, individual_chars, ranges=(), warnings=None):
warn = partial(do_warn, warnings)
chars = set(map(safe_ord, individual_chars))
chars = set()
for ic in individual_chars:
try:
chars.add(safe_ord(ic))
except ValueError:
continue
for r in ranges:
chars |= set(range(safe_ord(r[0]), safe_ord(r[1])+1))