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#!/usr/bin/env python
'FontForge: Check for duplicate USVs in unicode or altuni fields'
__url__ = 'http://github.com/silnrsi/pysilfont'
__copyright__ = 'Copyright (c) 2015 SIL International (http://www.sil.org)'
__license__ = 'Released under the MIT License (http://opensource.org/licenses/MIT)'
__author__ = 'David Raymond'
from silfont.core import execute
argspec = [
('ifont',{'help': 'Input font file'}, {'type': 'infont'}),
('-o','--output',{'help': 'Output text file'}, {'type': 'outfile', 'def': 'DupUSV.txt'})]
def doit(args) :
font = args.ifont
outf = args.output
# Process unicode and altunicode for all glyphs
usvs={}
for glyph in font:
g = font[glyph]
if g.unicode != -1:
usv=UniStr(g.unicode)
AddUSV(usvs,usv,glyph)
# Check any alternate usvs
altuni=g.altuni
if altuni != None:
for au in altuni:
usv=UniStr(au[0]) # (may need to check variant flag)
AddUSV(usvs,usv,glyph + ' (alt)')
items = usvs.items()
items = filter(lambda x: len(x[1]) > 1, items)
items.sort()
for i in items:
usv = i[0]
print usv + ' has duplicates'
gl = i[1]
glyphs = gl[0]
for j in range(1,len(gl)):
glyphs = glyphs + ', ' + gl[j]
outf.write('%s: %s\n' % (usv,glyphs))
outf.close()
print "Done!"
def UniStr(u):
if u:
return "U+{0:04X}".format(u)
else:
return "No USV" #length same as above
def AddUSV(usvs,usv,glyph):
if not usvs.has_key(usv):
usvs[usv] = [glyph]
else:
usvs[usv].append(glyph)
def cmd() : execute("FF",doit,argspec)
if __name__ == "__main__": cmd()
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