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Fix punycode codec and tests.
This commit is contained in:
Walter Dörwald
parent
5c4501af57
commit
a4c612845a
@ -10,15 +10,15 @@ import codecs
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def segregate(str):
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"""3.1 Basic code point segregation"""
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base = []
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extended = {}
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base = b""
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extended = set()
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for c in str:
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if ord(c) < 128:
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base.append(c)
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base.append(ord(c))
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else:
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extended[c] = 1
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extended = sorted(extended.keys())
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return "".join(base).encode("ascii"),extended
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extended.add(c)
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extended = sorted(extended)
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return (base, extended)
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def selective_len(str, max):
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"""Return the length of str, considering only characters below max."""
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@ -75,10 +75,10 @@ def T(j, bias):
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if res > 26: return 26
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return res
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digits = "abcdefghijklmnopqrstuvwxyz0123456789"
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digits = b"abcdefghijklmnopqrstuvwxyz0123456789"
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def generate_generalized_integer(N, bias):
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"""3.3 Generalized variable-length integers"""
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result = []
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result = b""
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j = 0
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while 1:
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t = T(j, bias)
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@ -107,21 +107,20 @@ def adapt(delta, first, numchars):
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def generate_integers(baselen, deltas):
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"""3.4 Bias adaptation"""
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# Punycode parameters: initial bias = 72, damp = 700, skew = 38
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result = []
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result = b""
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bias = 72
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for points, delta in enumerate(deltas):
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s = generate_generalized_integer(delta, bias)
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result.extend(s)
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bias = adapt(delta, points==0, baselen+points+1)
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return "".join(result)
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return result
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def punycode_encode(text):
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base, extended = segregate(text)
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base = base.encode("ascii")
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deltas = insertion_unsort(text, extended)
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extended = generate_integers(len(base), deltas)
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if base:
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return base + "-" + extended
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return base + b"-" + extended
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return extended
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##################### Decoding #####################################
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@ -182,15 +181,13 @@ def insertion_sort(base, extended, errors):
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return base
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def punycode_decode(text, errors):
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pos = text.rfind("-")
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pos = text.rfind(b"-")
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if pos == -1:
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base = ""
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extended = text
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extended = str(text, "ascii").upper()
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else:
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base = text[:pos]
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extended = text[pos+1:]
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base = str(base, "ascii", errors)
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extended = extended.upper()
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base = str(text[:pos], "ascii", errors)
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extended = str(text[pos+1:], "ascii").upper()
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return insertion_sort(base, extended, errors)
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### Codec APIs
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@ -505,48 +505,48 @@ punycode_testcases = [
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# A Arabic (Egyptian):
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("\u0644\u064A\u0647\u0645\u0627\u0628\u062A\u0643\u0644"
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"\u0645\u0648\u0634\u0639\u0631\u0628\u064A\u061F",
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"egbpdaj6bu4bxfgehfvwxn"),
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b"egbpdaj6bu4bxfgehfvwxn"),
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# B Chinese (simplified):
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("\u4ED6\u4EEC\u4E3A\u4EC0\u4E48\u4E0D\u8BF4\u4E2D\u6587",
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"ihqwcrb4cv8a8dqg056pqjye"),
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b"ihqwcrb4cv8a8dqg056pqjye"),
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# C Chinese (traditional):
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("\u4ED6\u5011\u7232\u4EC0\u9EBD\u4E0D\u8AAA\u4E2D\u6587",
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"ihqwctvzc91f659drss3x8bo0yb"),
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b"ihqwctvzc91f659drss3x8bo0yb"),
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# D Czech: Pro<ccaron>prost<ecaron>nemluv<iacute><ccaron>esky
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("\u0050\u0072\u006F\u010D\u0070\u0072\u006F\u0073\u0074"
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"\u011B\u006E\u0065\u006D\u006C\u0075\u0076\u00ED\u010D"
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"\u0065\u0073\u006B\u0079",
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"Proprostnemluvesky-uyb24dma41a"),
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b"Proprostnemluvesky-uyb24dma41a"),
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# E Hebrew:
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("\u05DC\u05DE\u05D4\u05D4\u05DD\u05E4\u05E9\u05D5\u05D8"
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"\u05DC\u05D0\u05DE\u05D3\u05D1\u05E8\u05D9\u05DD\u05E2"
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"\u05D1\u05E8\u05D9\u05EA",
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"4dbcagdahymbxekheh6e0a7fei0b"),
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b"4dbcagdahymbxekheh6e0a7fei0b"),
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# F Hindi (Devanagari):
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("\u092F\u0939\u0932\u094B\u0917\u0939\u093F\u0928\u094D"
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"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939"
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"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947"
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"\u0939\u0948\u0902",
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"i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"),
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"\u0926\u0940\u0915\u094D\u092F\u094B\u0902\u0928\u0939"
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"\u0940\u0902\u092C\u094B\u0932\u0938\u0915\u0924\u0947"
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"\u0939\u0948\u0902",
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b"i1baa7eci9glrd9b2ae1bj0hfcgg6iyaf8o0a1dig0cd"),
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#(G) Japanese (kanji and hiragana):
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("\u306A\u305C\u307F\u3093\u306A\u65E5\u672C\u8A9E\u3092"
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"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
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"n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"),
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"\u8A71\u3057\u3066\u304F\u308C\u306A\u3044\u306E\u304B",
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b"n8jok5ay5dzabd5bym9f0cm5685rrjetr6pdxa"),
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# (H) Korean (Hangul syllables):
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("\uC138\uACC4\uC758\uBAA8\uB4E0\uC0AC\uB78C\uB4E4\uC774"
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"\uD55C\uAD6D\uC5B4\uB97C\uC774\uD574\uD55C\uB2E4\uBA74"
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"\uC5BC\uB9C8\uB098\uC88B\uC744\uAE4C",
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"989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"
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"psd879ccm6fea98c"),
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b"989aomsvi5e83db1d2a355cv1e0vak1dwrv93d5xbh15a0dt30a5j"
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b"psd879ccm6fea98c"),
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# (I) Russian (Cyrillic):
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("\u043F\u043E\u0447\u0435\u043C\u0443\u0436\u0435\u043E"
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"\u043D\u0438\u043D\u0435\u0433\u043E\u0432\u043E\u0440"
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"\u044F\u0442\u043F\u043E\u0440\u0443\u0441\u0441\u043A"
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"\u0438",
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"b1abfaaepdrnnbgefbaDotcwatmq2g4l"),
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b"b1abfaaepdrnnbgefbaDotcwatmq2g4l"),
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# (J) Spanish: Porqu<eacute>nopuedensimplementehablarenEspa<ntilde>ol
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("\u0050\u006F\u0072\u0071\u0075\u00E9\u006E\u006F\u0070"
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@ -554,7 +554,7 @@ punycode_testcases = [
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"\u006C\u0065\u006D\u0065\u006E\u0074\u0065\u0068\u0061"
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"\u0062\u006C\u0061\u0072\u0065\u006E\u0045\u0073\u0070"
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"\u0061\u00F1\u006F\u006C",
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"PorqunopuedensimplementehablarenEspaol-fmd56a"),
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b"PorqunopuedensimplementehablarenEspaol-fmd56a"),
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# (K) Vietnamese:
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# T<adotbelow>isaoh<odotbelow>kh<ocirc>ngth<ecirchookabove>ch\
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@ -563,45 +563,45 @@ punycode_testcases = [
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"\u0068\u00F4\u006E\u0067\u0074\u0068\u1EC3\u0063\u0068"
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"\u1EC9\u006E\u00F3\u0069\u0074\u0069\u1EBF\u006E\u0067"
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"\u0056\u0069\u1EC7\u0074",
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"TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"),
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b"TisaohkhngthchnitingVit-kjcr8268qyxafd2f1b9g"),
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#(L) 3<nen>B<gumi><kinpachi><sensei>
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("\u0033\u5E74\u0042\u7D44\u91D1\u516B\u5148\u751F",
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"3B-ww4c5e180e575a65lsy2b"),
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b"3B-ww4c5e180e575a65lsy2b"),
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# (M) <amuro><namie>-with-SUPER-MONKEYS
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("\u5B89\u5BA4\u5948\u7F8E\u6075\u002D\u0077\u0069\u0074"
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"\u0068\u002D\u0053\u0055\u0050\u0045\u0052\u002D\u004D"
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"\u004F\u004E\u004B\u0045\u0059\u0053",
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"-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"),
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b"-with-SUPER-MONKEYS-pc58ag80a8qai00g7n9n"),
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# (N) Hello-Another-Way-<sorezore><no><basho>
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("\u0048\u0065\u006C\u006C\u006F\u002D\u0041\u006E\u006F"
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"\u0074\u0068\u0065\u0072\u002D\u0057\u0061\u0079\u002D"
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"\u305D\u308C\u305E\u308C\u306E\u5834\u6240",
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"Hello-Another-Way--fc4qua05auwb3674vfr0b"),
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b"Hello-Another-Way--fc4qua05auwb3674vfr0b"),
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# (O) <hitotsu><yane><no><shita>2
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("\u3072\u3068\u3064\u5C4B\u6839\u306E\u4E0B\u0032",
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"2-u9tlzr9756bt3uc0v"),
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b"2-u9tlzr9756bt3uc0v"),
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# (P) Maji<de>Koi<suru>5<byou><mae>
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("\u004D\u0061\u006A\u0069\u3067\u004B\u006F\u0069\u3059"
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"\u308B\u0035\u79D2\u524D",
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"MajiKoi5-783gue6qz075azm5e"),
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b"MajiKoi5-783gue6qz075azm5e"),
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# (Q) <pafii>de<runba>
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("\u30D1\u30D5\u30A3\u30FC\u0064\u0065\u30EB\u30F3\u30D0",
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"de-jg4avhby1noc0d"),
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b"de-jg4avhby1noc0d"),
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# (R) <sono><supiido><de>
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("\u305D\u306E\u30B9\u30D4\u30FC\u30C9\u3067",
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"d9juau41awczczp"),
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b"d9juau41awczczp"),
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# (S) -> $1.00 <-
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("\u002D\u003E\u0020\u0024\u0031\u002E\u0030\u0030\u0020"
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"\u003C\u002D",
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"-> $1.00 <--")
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b"-> $1.00 <--")
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]
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for i in punycode_testcases:
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@ -616,7 +616,10 @@ class PunycodeTest(unittest.TestCase):
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# code produces only lower case. Converting just puny to
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# lower is also insufficient, since some of the input characters
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# are upper case.
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self.assertEquals(uni.encode("punycode").lower(), puny.lower())
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self.assertEquals(
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str(uni.encode("punycode"), "ascii").lower(),
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str(puny, "ascii").lower()
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)
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def test_decode(self):
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for uni, puny in punycode_testcases:
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