3 # Generate youtube signature algorithm from test cases
8 # 92 - vflQw-fB4 2013/07/17
9 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`~\"",
10 "mrtyuioplkjhgfdsazxcvbnq1234567890QWERTY}IOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]\"|:;"),
12 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'`",
13 "mrtyuioplkjhgfdsazxcvbne1234567890QWER[YUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={`]}|"),
15 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<'",
16 "/?;:|}<[{=+-_)(*&^%$#@!MqBVCXZASDFGHJKLPOIUYTREWQ0987654321mnbvcxzasdfghjklpoiuyt"),
17 # 88 - vflapUV9V 2013/08/28
18 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[]}|:;?/>.<",
19 "ioplkjhgfdsazxcvbnm12<4567890QWERTYUIOZLKJHGFDSAeXCVBNM!@#$%^&*()_-+={[]}|:;?/>.3"),
21 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$^&*()_-+={[]}|:;?/>.<",
22 "uioplkjhgfdsazxcvbnm1t34567890QWE2TYUIOPLKJHGFDSAZXCVeNM!@#$^&*()_-+={[]}|:;?/>.<"),
23 # 86 - vfluy6kdb 2013/09/06
24 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
25 "yuioplkjhgfdsazxcvbnm12345678q0QWrRTYUIOELKJHGFD-AZXCVBNM!@#$%^&*()_<+={[|};?/>.S"),
26 # 85 - vflkuzxcs 2013/09/11
27 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?/>.<",
28 "T>/?;}[{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOvUY.REWQ0987654321mnbqcxzasdfghjklpoiuytr"),
29 # 84 - vflg0g8PQ 2013/08/29 (sporadic)
30 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[};?>.<",
31 ">?;}[{=+-_)(*&^%$#@!MNBVCXZASDFGHJKLPOIUYTREWq0987654321mnbvcxzasdfghjklpoiuytr"),
33 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!#$%^&*()_+={[};?/>.<",
34 ".>/?;}[{=+_)(*&^%<#!MNBVCXZASPFGHJKLwOIUYTREWQ0987654321mnbvcxzasdfghjklpoiuytreq"),
35 # 82 - vflGNjMhJ 2013/09/12
36 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/>.<",
37 ".>/?;}[<=+-(*&^%$#@!MNBVCXeASDFGHKLPOqUYTREWQ0987654321mnbvcxzasdfghjklpoiuytrIwZ"),
38 # 81 - vflLC8JvQ 2013/07/25
39 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/>.",
40 "C>/?;}[{=+-(*&^%$#@!MNBVYXZASDFGHKLPOIU.TREWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"),
41 # 80 - vflZK4ZYR 2013/08/23 (sporadic)
42 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/>",
43 "wertyuioplkjhgfdsaqxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&z(-+={[};?/>"),
44 # 79 - vflLC8JvQ 2013/07/25 (sporadic)
45 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKHGFDSAZXCVBNM!@#$%^&*(-+={[};?/",
46 "Z?;}[{=+-(*&^%$#@!MNBVCXRASDFGHKLPOIUYT/EWQ0q87659321mnbvcxzasdfghjkl4oiuytrewp"),
51 ("qwertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!@#$%^&*()_-+={[|};?/>.<",
52 "ertyuioplkjhgfdsazxcvbnm1234567890QWERTYUIOPLKJHGFDSAZXCVBNM!/#$%^&*()_-+={[|};?@"),
55 def find_matching(wrong, right):
56 idxs = [wrong.index(c) for c in right]
58 return ('s[%d]' % i for i in idxs)
61 def _genslice(start, end, step):
62 starts = '' if start == 0 else str(start)
63 ends = ':%d' % (end+step)
64 steps = '' if step == 1 else (':%d' % step)
65 return 's[%s%s%s]' % (starts, ends, steps)
68 for i, prev in zip(idxs[1:], idxs[:-1]):
72 yield _genslice(start, prev, step)
75 if i - prev in [-1, 1]:
84 yield _genslice(start, i, step)
86 def _assert_compress(inp, exp):
87 res = list(compress(inp))
89 print('Got %r, expected %r' % (res, exp))
91 _assert_compress([0,2,4,6], ['s[0]', 's[2]', 's[4]', 's[6]'])
92 _assert_compress([0,1,2,4,6,7], ['s[:3]', 's[4]', 's[6:8]'])
93 _assert_compress([8,0,1,2,4,7,6,9], ['s[8]', 's[:3]', 's[4]', 's[7:5:-1]', 's[9]'])
95 def gen(wrong, right, indent):
96 code = ' + '.join(find_matching(wrong, right))
97 return 'if len(s) == %d:\n%s return %s\n' % (len(wrong), indent, code)
101 return indent + (indent + 'el').join(gen(wrong, right, indent) for wrong,right in tests)
106 print(genall(tests_age_gate))
108 if __name__ == '__main__':