def _confuse_internal(us, cclasses = [ 'all' ], asciify = True, smart = False):
'''
Fold input for homograph comparison. Does not handle the special cases that require postprocessing or multicharacter matching.
'''
assert type(us) == type(u'')
global confusemap, confusables
if cclasses == [ 'all' ] and asciify and confusemap and not smart:
return u''.join([ confusemap.get(dest, unicodedata.normalize('NFC', dest.lower())) for dest in unichars(unicodedata.normalize('NFKD', us)) ])
if not confusemap:
_slow_init()
out = []
for ch in unichars(unicodedata.normalize('NFKD', us)):
b = ch
b2 = u''
for cclass in cclasses:
if ch in confusables[cclass]:
if smart:
b = random.choice([ b ] + list(confusables[cclass][ch]))
break
else:
for rep in confusables[cclass][ch]:
if unilen(rep) > unilen(b2) or rep < b2:
b, b2 = [rep] * 2
out.append(b)
out = u''.join(out)
if asciify:
out = unicodedata.normalize('NFC', out.lower())
if out != us and cclasses == [ 'all' ] and not smart:
out = _confuse_internal(out, cclasses, asciify)
return out
def _confuse_internal(us, cclasses=['all'], asciify=True, smart=False):
'''
Fold input for homograph comparison. Does not handle the special cases that require postprocessing or multicharacter matching.
'''
assert type(us) == type(u'')
global confusemap, confusables
if cclasses == ['all'] and asciify and confusemap and not smart:
return u''.join([
confusemap.get(dest, unicodedata.normalize('NFC', dest.lower()))
for dest in unichars(unicodedata.normalize('NFKD', us))
])
if not confusemap:
_slow_init()
out = []
for ch in unichars(unicodedata.normalize('NFKD', us)):
b = ch
b2 = u''
for cclass in cclasses:
if ch in confusables[cclass]:
if smart:
b = random.choice([b] + list(confusables[cclass][ch]))
break
else:
for rep in confusables[cclass][ch]:
if unilen(rep) > unilen(b2) or rep < b2:
b, b2 = [rep] * 2
out.append(b)
out = u''.join(out)
if asciify:
out = unicodedata.normalize('NFC', out.lower())
if out != us and cclasses == ['all'] and not smart:
out = _confuse_internal(out, cclasses, asciify)
return out
def _slow_init(confusables_file = None):
global confusables, confusemap, _init_in_progress
if _init_in_progress:
return
_init_in_progress = True
try:
if confusables_file is None and __name__ == '__main__':
try:
confusables_file = file(os.path.join(os.path.split(sys.argv[0])[0], '../share/confusables.txt'), 'rb')
except:
pass
if confusables_file is None:
confusables_file = urllib.urlopen('http://www.unicode.org/reports/tr36/data/confusables.txt', 'rb')
for line in confusables_file:
line = line.decode('utf-8').rstrip()
try:
cmd, comment = [ field.strip() for field in line.split('#', 1) ]
a, b, cclass = [ field.strip() for field in cmd.split(';') ]
a, b = [ u''.join([ unichr(int(ch, 16)) for ch in field.split() ]) for field in (a, b) ]
confusables[cclass][a] = confusables[cclass].get(a, set()) | set((b,))
except:
pass
confusables_file.close()
for chno in xrange(0, 0x110000):
source = unichr(chno)
sources = set([ source, unicodedata.normalize('NFKD', source),
source.upper(), unicodedata.normalize('NFKD', source.upper()),
source.title(), unicodedata.normalize('NFKD', source.title()),
source.lower(), unicodedata.normalize('NFKD', source.lower())])
try:
sources = sources | set([ source.encode('idna').decode('idna') ])
except:
pass
while True:
sources2 = sources
for source in sources:
sources2 = sources2 | confusables['all'].get(source, set([ source ]))
if sources2 == sources:
break
sources = sources2
if len(sources) > 1:
for source in sources:
if unilen(source) == 1:
confusables['all'][source] = sources
for cclass in confusables:
if cclass == 'all':
continue
for source in confusables[cclass]:
dest = confusables[cclass][source]
dest = dest | confusables['all'].get(source, set()) | set([ source ])
dest2 = dest
for d in dest2:
dest = dest | confusables['all'].get(d, set())
for d in dest:
if unilen(d) == 1:
confusables['all'][d] = confusables['all'].get(d, set()) | dest
confusables['all2'] = {}
for source in confusables['all']:
sources = set([ source, unicodedata.normalize('NFKD', source),
source.upper(), unicodedata.normalize('NFKD', source.upper()),
source.title(), unicodedata.normalize('NFKD', source.title()),
source.lower(), unicodedata.normalize('NFKD', source.lower())])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
confusables['all2'] = {}
for source in confusables['all']:
sources = set([ source, unicodedata.normalize('NFKD', source),
source.upper(), unicodedata.normalize('NFKD', source.upper()),
source.title(), unicodedata.normalize('NFKD', source.title()),
source.lower(), unicodedata.normalize('NFKD', source.lower())])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
confusables['all2'] = {}
for source in confusables['all']:
sources = set([ source, unicodedata.normalize('NFKD', source),
source.upper(), unicodedata.normalize('NFKD', source.upper()),
source.title(), unicodedata.normalize('NFKD', source.title()),
source.lower(), unicodedata.normalize('NFKD', source.lower())])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
_confusemap = {}
for chno in xrange(0, 0x110000):
source = unichr(chno)
dest = _confuse_internal(source, cclasses = [ 'all' ], asciify = True)
dest2 = unicodedata.normalize('NFKC', source.lower())
if dest != dest2 or (uniord(source) >= 0x10000 and source != dest):
if dest != unicodedata.normalize('NFC', dest.lower()):
raise ValueError(repr(source) + ': ' + repr(dest))
_confusemap[source] = dest
confusemap = _confusemap
finally:
_init_in_progress = False
def test():
'''
Small smoke test to make sure this module is not broken.
'''
assert unilen(u'\U0010fffd') == 1
assert len(u'Hello, world!') == unilen(u'Hello, world!')
assert uniord(u'\U0010fffd') == 0x10fffd
assert uniord(u'H') == ord(u'H')
assert unichr(0x10fffd) == u'\U0010fffd'
assert unichr(ord(u'H')) == u'H'
assert [ ch for ch in unichars(u'H\U0010fffd') ] == [ 'H', u'\U0010fffd' ]
assert confuse(u'Hello, world!', [ 'all' ], True) == confuse(u'he110, w0r1d!', [ 'all' ], True)
assert confuse(u'Sergey Brin') == confuse(u'5e\N{GREEK SMALL LETTER GAMMA}g\N{GREEK SMALL LETTER EPSILON}\N{GREEK SMALL LETTER UPSILON} \N{GREEK CAPITAL LETTER BETA}r1\N{GREEK CAPITAL LETTER NU}')
assert confuse(u'He\N{LATIN SMALL LETTER SHARP S}e') == confuse(u'Hesse')
assert confuse(u'\N{GREEK CAPITAL LETTER KAPPA}\N{GREEK SMALL LETTER NU}\N{GREEK SMALL LETTER OMEGA}\N{GREEK SMALL LETTER SIGMA}\N{GREEK SMALL LETTER OMICRON WITH TONOS}\N{GREEK SMALL LETTER FINAL SIGMA}') == confuse(u'Kv\N{OHM SIGN}co\N{COMBINING ACUTE ACCENT}c')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(u'\N{LATIN CAPITAL LETTER I}')
assert confuse(u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}') == confuse(u'\N{LATIN CAPITAL LETTER I}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN SMALL LETTER I}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN CAPITAL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I}\N{COMBINING DOT ABOVE}') == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}') == confuse(u'\N{DIGIT ONE}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER O WITH HORN}') == confuse(u'\N{DIGIT ZERO}\N{COMBINING HORN}')
assert confuse(u'\N{LATIN SMALL LETTER O WITH HORN}') == confuse(u'\N{DIGIT ZERO}\N{COMBINING HORN}')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}') == confuse(u'\N{DIGIT ONE}')
assert confuse(u'\N{LATIN CAPITAL LETTER O WITH HORN}') == confuse(u'\N{LATIN CAPITAL LETTER O}\N{SPACE}\N{COMBINING COMMA ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER O WITH HORN}') == confuse(u'\N{LATIN CAPITAL LETTER O}\N{SPACE}\N{COMBINING COMMA ABOVE}')
# NOTE: this is a weak bidi homograph for "i love you"
assert confuse(u'ڸ٥ﻻ ﻉ√٥ﺎ ٱ') == confuse(u'\u06b8\u0665\ufefb \ufec9\u221a\u0665\ufe8e \u0671')
assert confuse(u'\u06b8\u0665\u0644\u0627 \u0639\u221a\u0665\u0627 \u0671') == confuse(u'ڸ٥ﻻ ﻉ√٥ﺎ ٱ')
assert (confuse(u''.join(u'''
0\u09e6\u2080\u0d02\u0585\u3007\U0001d70a\U0001d5ae\u1d0f\U0001d40e\u1810\U0001d512\U0001d7f6\U0001d594\U0001d616\U0001d698\u0966\u101d\U0001d6f0\u039f\u041e\u0d20\U0001d7ec\uff4f\u0c66\U0001d630\U0001d428\U0001d72a\U0001d52c\uff2f\u0be6\u0030\u24c4\u0a66\u2134\U0001d6b6\U0001d7b8\u0ed0\U0001d79e\uff10\u03bf\u043e\u1040\U0001d442\U0001d744\U0001d546\U0001d5c8\U0001d64a\U0001d664\U0001d67e\u004f\U0001d7ce\u0e50\U0001d5e2\u0555\u2d54\u0c02\U0001d7d8\u0c82\U0001d45c\u24de\U0001d560\U0001d7e2\U0001d764\u0ae6\U0001d490\u0ce6\u0b66\U0001d4aa\u006f\u24ea\u2070\U0001d4de\U0001d476\u00ba\U0001d4f8\U0001d6d0\U0001d57a\U0001d5fc\U0001d77e
1\U0001d408\U0001d456\U0001d591\U0001d610\u2112\u0399\u24db\u0322\u13a5\U0001d526\u03b9\U0001d43c\U0001d73e\U0001d5c5\U0001d644\u004c\U0001d7d9\U0001d4db\U0001d55a\U0001d75e\u2460\U0001d7ed\u006c\U0001d470\U0001d5f9\U0001d678\u24be\U0001d40b\U0001d58e\uff11\U0001d613\u0196\U0001d6a4\U0001d529\u0131\U0001d6b0\U0001d7b2\u2139\U0001d43f\u1fbe\u04c0\U0001d5c2\u0345\U0001d647\uff49\u24d8\U0001d55d\u13de\U0001d473\U0001d5f6\U0001d67b\u2081\U0001d704\u0406\U0001d48d\u2110\U0001d695\U0001d4d8\U0001d422\U0001d724\u0328\U0001d5ab\U0001d62a\uff2c\u00b9\u24c1\U0001d540\u2148\uff4c\U0001d7cf\u0456\U0001d5df\U0001d65e\u02e1\u2160\U0001d7e3\u0069\u216c\u2170\U0001d4f5\U0001d574\U0001d7f7\U0001d778\u217c\u2780\U0001d48a\U0001d50f\u2113\U0001d692\U0001d798\U0001d425\U0001d5a8\u2111\U0001d62d\u0031\U0001d4be\U0001d543\u0049\U0001d6ca\U0001d459\U0001d5dc\U0001d661\u0269\U0001d6ea\u2071\uff29\u2373\U0001d4f2\U0001d577\u0130
2\u2781\u2461\u2082\U0001d7e4\U0001d7ee\U0001d7d0\uff12\U0001d7f8\u0032\U0001d7da\u00b2\u14bf
3\u2083\u2782\U0001d409\u0408\U0001d48b\u148d\U0001d58f\U0001d611\u24d9\U0001d693\u0417\u0545\U0001d55b\U0001d423\U0001d4a5\U0001d527\U0001d5a9\u13ab\uff2a\u03f3\u00b3\u02b2\u0437\u0575\U0001d43d\u24bf\U0001d541\U0001d5c3\u004a\U0001d645\u0033\u2149\U0001d50d\uff4a\U0001d7d1\U0001d679\U0001d457\U0001d4d9\u0458\U0001d7db\U0001d5dd\u025c\U0001d65f\u2462\U0001d7e5\u13e7\u006a\uff13\U0001d7ef\U0001d471\U0001d4f3\U0001d575\U0001d4bf\U0001d5f7\U0001d7f9\U0001d62b
4\u2783\u2084\U0001d7e6\u0034\u2463\u13ce\U0001d7f0\U0001d7d2\uff14\U0001d7fa\U0001d7dc\u2074
5\U0001d598\U0001d600\U0001d682\u2085\u2784\u0053\u02e2\U0001d412\uff15\U0001d494\U0001d516\u0405\U0001d61a\U0001d69c\U0001d42c\U0001d4ae\U0001d530\uff33\U0001d5b2\u0035\U0001d634\u24c8\u01bd\u01bc\U0001d446\U0001d4c8\U0001d54a\U0001d5cc\U0001d64e\U0001d7d3\U0001d4e2\u13d5\u13da\U0001d7dd\u2464\U0001d460\u24e2\U0001d564\U0001d7e7\U0001d5e6\U0001d668\uff53\U0001d7f1\u0073\u2075\u0455\U0001d7fb\U0001d47a\U0001d4fc\u017f\U0001d57e
6\u0431\u2785\u2086\U0001d7e8\u0036\u2076\u0411\U0001d7f2\U0001d7d4\uff16\u2465\U0001d7fc\U0001d7de
7\u0037\u2087\u2786\U0001d7e9\u2466\u2077\U0001d7f3\U0001d7d5\uff17\U0001d7fd\U0001d7df
8\U0001d7e0\u0b03\u0222\u2467\u2787\u09ea\u2088\U0001d7ea\uff18\u0223\U0001d7f4\U0001d7d6\u0038\u0a6a\u2078\U0001d7fe
9\U0001d7e1\u2468\u2079\u0a67\u2089\u2788\U0001d7eb\u09ed\u0039\U0001d7f5\U0001d7d7\u0b68\uff19\U0001d7ff
'''.split())) == confuse(
u'0' * len('................................................................................')
+
u'1' * len('...............................................................................................................')
+
u'2' * len('.............')
+
u'3' * len('.........................................................')
+
u'4' * len('.............')
+
u'5' * len('....................................................')
+
u'6' * len('..............')
+
u'7' * len('............')
+
u'8' * len('.................')
+
u'9' * len('...............')
))
pass
def _slow_init(confusables_file=None):
global confusables, confusemap, _init_in_progress
if _init_in_progress:
return
_init_in_progress = True
try:
if confusables_file is None and __name__ == '__main__':
try:
confusables_file = file(
os.path.join(
os.path.split(sys.argv[0])[0],
'../share/confusables.txt'), 'rb')
except:
pass
if confusables_file is None:
confusables_file = urllib.urlopen(
'http://www.unicode.org/reports/tr36/data/confusables.txt',
'rb')
for line in confusables_file:
line = line.decode('utf-8').rstrip()
try:
cmd, comment = [field.strip() for field in line.split('#', 1)]
a, b, cclass = [field.strip() for field in cmd.split(';')]
a, b = [
u''.join([unichr(int(ch, 16)) for ch in field.split()])
for field in (a, b)
]
confusables[cclass][a] = confusables[cclass].get(
a, set()) | set((b, ))
except:
pass
confusables_file.close()
for chno in xrange(0, 0x110000):
source = unichr(chno)
sources = set([
source,
unicodedata.normalize('NFKD', source),
source.upper(),
unicodedata.normalize('NFKD', source.upper()),
source.title(),
unicodedata.normalize('NFKD', source.title()),
source.lower(),
unicodedata.normalize('NFKD', source.lower())
])
try:
sources = sources | set([source.encode('idna').decode('idna')])
except:
pass
while True:
sources2 = sources
for source in sources:
sources2 = sources2 | confusables['all'].get(
source, set([source]))
if sources2 == sources:
break
sources = sources2
if len(sources) > 1:
for source in sources:
if unilen(source) == 1:
confusables['all'][source] = sources
for cclass in confusables:
if cclass == 'all':
continue
for source in confusables[cclass]:
dest = confusables[cclass][source]
dest = dest | confusables['all'].get(source, set()) | set(
[source])
dest2 = dest
for d in dest2:
dest = dest | confusables['all'].get(d, set())
for d in dest:
if unilen(d) == 1:
confusables['all'][d] = confusables['all'].get(
d, set()) | dest
confusables['all2'] = {}
for source in confusables['all']:
sources = set([
source,
unicodedata.normalize('NFKD', source),
source.upper(),
unicodedata.normalize('NFKD', source.upper()),
source.title(),
unicodedata.normalize('NFKD', source.title()),
source.lower(),
unicodedata.normalize('NFKD', source.lower())
])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
confusables['all2'] = {}
for source in confusables['all']:
sources = set([
source,
unicodedata.normalize('NFKD', source),
source.upper(),
unicodedata.normalize('NFKD', source.upper()),
source.title(),
unicodedata.normalize('NFKD', source.title()),
source.lower(),
unicodedata.normalize('NFKD', source.lower())
])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
confusables['all2'] = {}
for source in confusables['all']:
sources = set([
source,
unicodedata.normalize('NFKD', source),
source.upper(),
unicodedata.normalize('NFKD', source.upper()),
source.title(),
unicodedata.normalize('NFKD', source.title()),
source.lower(),
unicodedata.normalize('NFKD', source.lower())
])
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
dest = set()
for source2 in sources:
dest = dest | confusables['all'].get(source2, set())
sources = sources | dest
for source2 in sources:
if unilen(source2) == 1:
confusables['all2'][source2] = sources
confusables['all'] = confusables['all2']
del confusables['all2']
_confusemap = {}
for chno in xrange(0, 0x110000):
source = unichr(chno)
dest = _confuse_internal(source, cclasses=['all'], asciify=True)
dest2 = unicodedata.normalize('NFKC', source.lower())
if dest != dest2 or (uniord(source) >= 0x10000 and source != dest):
if dest != unicodedata.normalize('NFC', dest.lower()):
raise ValueError(repr(source) + ': ' + repr(dest))
_confusemap[source] = dest
confusemap = _confusemap
finally:
_init_in_progress = False
def test():
'''
Small smoke test to make sure this module is not broken.
'''
assert unilen(u'\U0010fffd') == 1
assert len(u'Hello, world!') == unilen(u'Hello, world!')
assert uniord(u'\U0010fffd') == 0x10fffd
assert uniord(u'H') == ord(u'H')
assert unichr(0x10fffd) == u'\U0010fffd'
assert unichr(ord(u'H')) == u'H'
assert [ch for ch in unichars(u'H\U0010fffd')] == ['H', u'\U0010fffd']
assert confuse(u'Hello, world!', ['all'],
True) == confuse(u'he110, w0r1d!', ['all'], True)
assert confuse(u'Sergey Brin') == confuse(
u'5e\N{GREEK SMALL LETTER GAMMA}g\N{GREEK SMALL LETTER EPSILON}\N{GREEK SMALL LETTER UPSILON} \N{GREEK CAPITAL LETTER BETA}r1\N{GREEK CAPITAL LETTER NU}'
)
assert confuse(u'He\N{LATIN SMALL LETTER SHARP S}e') == confuse(u'Hesse')
assert confuse(
u'\N{GREEK CAPITAL LETTER KAPPA}\N{GREEK SMALL LETTER NU}\N{GREEK SMALL LETTER OMEGA}\N{GREEK SMALL LETTER SIGMA}\N{GREEK SMALL LETTER OMICRON WITH TONOS}\N{GREEK SMALL LETTER FINAL SIGMA}'
) == confuse(u'Kv\N{OHM SIGN}co\N{COMBINING ACUTE ACCENT}c')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(
u'\N{LATIN CAPITAL LETTER I}')
assert confuse(u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}'
) == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}') == confuse(
u'\N{LATIN CAPITAL LETTER I}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}'
) == confuse(u'\N{LATIN SMALL LETTER I}')
assert confuse(
u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(
u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(
u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}') == confuse(
u'\N{LATIN CAPITAL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER DOTLESS I}\N{COMBINING DOT ABOVE}'
) == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I}\N{COMBINING DOT ABOVE}'
) == confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}') == confuse(
u'\N{DIGIT ONE}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER O WITH HORN}') == confuse(
u'\N{DIGIT ZERO}\N{COMBINING HORN}')
assert confuse(u'\N{LATIN SMALL LETTER O WITH HORN}') == confuse(
u'\N{DIGIT ZERO}\N{COMBINING HORN}')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(
u'\N{LATIN SMALL LETTER I}\N{COMBINING DOT ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER I}') == confuse(
u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}')
assert confuse(u'\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}') == confuse(
u'\N{DIGIT ONE}')
assert confuse(u'\N{LATIN CAPITAL LETTER O WITH HORN}') == confuse(
u'\N{LATIN CAPITAL LETTER O}\N{SPACE}\N{COMBINING COMMA ABOVE}')
assert confuse(u'\N{LATIN SMALL LETTER O WITH HORN}') == confuse(
u'\N{LATIN CAPITAL LETTER O}\N{SPACE}\N{COMBINING COMMA ABOVE}')
# NOTE: this is a weak bidi homograph for "i love you"
assert confuse(u'ڸ٥ﻻ ﻉ√٥ﺎ ٱ') == confuse(
u'\u06b8\u0665\ufefb \ufec9\u221a\u0665\ufe8e \u0671')
assert confuse(u'\u06b8\u0665\u0644\u0627 \u0639\u221a\u0665\u0627 \u0671'
) == confuse(u'ڸ٥ﻻ ﻉ√٥ﺎ ٱ')
assert (confuse(u''.join(u'''
0\u09e6\u2080\u0d02\u0585\u3007\U0001d70a\U0001d5ae\u1d0f\U0001d40e\u1810\U0001d512\U0001d7f6\U0001d594\U0001d616\U0001d698\u0966\u101d\U0001d6f0\u039f\u041e\u0d20\U0001d7ec\uff4f\u0c66\U0001d630\U0001d428\U0001d72a\U0001d52c\uff2f\u0be6\u0030\u24c4\u0a66\u2134\U0001d6b6\U0001d7b8\u0ed0\U0001d79e\uff10\u03bf\u043e\u1040\U0001d442\U0001d744\U0001d546\U0001d5c8\U0001d64a\U0001d664\U0001d67e\u004f\U0001d7ce\u0e50\U0001d5e2\u0555\u2d54\u0c02\U0001d7d8\u0c82\U0001d45c\u24de\U0001d560\U0001d7e2\U0001d764\u0ae6\U0001d490\u0ce6\u0b66\U0001d4aa\u006f\u24ea\u2070\U0001d4de\U0001d476\u00ba\U0001d4f8\U0001d6d0\U0001d57a\U0001d5fc\U0001d77e
1\U0001d408\U0001d456\U0001d591\U0001d610\u2112\u0399\u24db\u0322\u13a5\U0001d526\u03b9\U0001d43c\U0001d73e\U0001d5c5\U0001d644\u004c\U0001d7d9\U0001d4db\U0001d55a\U0001d75e\u2460\U0001d7ed\u006c\U0001d470\U0001d5f9\U0001d678\u24be\U0001d40b\U0001d58e\uff11\U0001d613\u0196\U0001d6a4\U0001d529\u0131\U0001d6b0\U0001d7b2\u2139\U0001d43f\u1fbe\u04c0\U0001d5c2\u0345\U0001d647\uff49\u24d8\U0001d55d\u13de\U0001d473\U0001d5f6\U0001d67b\u2081\U0001d704\u0406\U0001d48d\u2110\U0001d695\U0001d4d8\U0001d422\U0001d724\u0328\U0001d5ab\U0001d62a\uff2c\u00b9\u24c1\U0001d540\u2148\uff4c\U0001d7cf\u0456\U0001d5df\U0001d65e\u02e1\u2160\U0001d7e3\u0069\u216c\u2170\U0001d4f5\U0001d574\U0001d7f7\U0001d778\u217c\u2780\U0001d48a\U0001d50f\u2113\U0001d692\U0001d798\U0001d425\U0001d5a8\u2111\U0001d62d\u0031\U0001d4be\U0001d543\u0049\U0001d6ca\U0001d459\U0001d5dc\U0001d661\u0269\U0001d6ea\u2071\uff29\u2373\U0001d4f2\U0001d577\u0130
2\u2781\u2461\u2082\U0001d7e4\U0001d7ee\U0001d7d0\uff12\U0001d7f8\u0032\U0001d7da\u00b2\u14bf
3\u2083\u2782\U0001d409\u0408\U0001d48b\u148d\U0001d58f\U0001d611\u24d9\U0001d693\u0417\u0545\U0001d55b\U0001d423\U0001d4a5\U0001d527\U0001d5a9\u13ab\uff2a\u03f3\u00b3\u02b2\u0437\u0575\U0001d43d\u24bf\U0001d541\U0001d5c3\u004a\U0001d645\u0033\u2149\U0001d50d\uff4a\U0001d7d1\U0001d679\U0001d457\U0001d4d9\u0458\U0001d7db\U0001d5dd\u025c\U0001d65f\u2462\U0001d7e5\u13e7\u006a\uff13\U0001d7ef\U0001d471\U0001d4f3\U0001d575\U0001d4bf\U0001d5f7\U0001d7f9\U0001d62b
4\u2783\u2084\U0001d7e6\u0034\u2463\u13ce\U0001d7f0\U0001d7d2\uff14\U0001d7fa\U0001d7dc\u2074
5\U0001d598\U0001d600\U0001d682\u2085\u2784\u0053\u02e2\U0001d412\uff15\U0001d494\U0001d516\u0405\U0001d61a\U0001d69c\U0001d42c\U0001d4ae\U0001d530\uff33\U0001d5b2\u0035\U0001d634\u24c8\u01bd\u01bc\U0001d446\U0001d4c8\U0001d54a\U0001d5cc\U0001d64e\U0001d7d3\U0001d4e2\u13d5\u13da\U0001d7dd\u2464\U0001d460\u24e2\U0001d564\U0001d7e7\U0001d5e6\U0001d668\uff53\U0001d7f1\u0073\u2075\u0455\U0001d7fb\U0001d47a\U0001d4fc\u017f\U0001d57e
6\u0431\u2785\u2086\U0001d7e8\u0036\u2076\u0411\U0001d7f2\U0001d7d4\uff16\u2465\U0001d7fc\U0001d7de
7\u0037\u2087\u2786\U0001d7e9\u2466\u2077\U0001d7f3\U0001d7d5\uff17\U0001d7fd\U0001d7df
8\U0001d7e0\u0b03\u0222\u2467\u2787\u09ea\u2088\U0001d7ea\uff18\u0223\U0001d7f4\U0001d7d6\u0038\u0a6a\u2078\U0001d7fe
9\U0001d7e1\u2468\u2079\u0a67\u2089\u2788\U0001d7eb\u09ed\u0039\U0001d7f5\U0001d7d7\u0b68\uff19\U0001d7ff
'''.split())) == confuse(u'0' * len(
'................................................................................'
) + u'1' * len(
'...............................................................................................................'
) + u'2' * len('.............') + u'3' * len(
'.........................................................'
) + u'4' * len('.............') + u'5' * len(
'....................................................') +
u'6' * len('..............') +
u'7' * len('............') +
u'8' * len('.................') +
u'9' * len('...............')))
pass
