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StoppableThread : code pattern pour pouvoir arrêter un thread
Le thread n'est stoppable que que la méthode run() a une durée d'exécution infériereure à une seconde, elle ne doit surtout pas être bloquante. Si run() dure plus longtemps, l'appel à la méthode stop() va être obligatoirement plus long.
1 # Author: Victor Stinner
2 # Creation date: 2007-04-03
3 # License: GNU GPL v2
4
5 from thread import allocate_lock, start_new_thread
6 from sys import stderr
7
8 class StoppableThread:
9 """
10 Stoppable thread class:
11 - start(): start the thread
12 - stop(): stop the thread
13
14 User defined methods:
15 - run(): one step of the thread
16 - deinit(): method called on thread's end
17 - errorHandler(): process thread exception
18
19 The thread is only stoppable is run() maximum duration is not bigger
20 than one second. If run() runs longer, stop() call will also be longer.
21 """
22 def __init__(self):
23 self._run_lock = allocate_lock()
24 self._stop_lock = allocate_lock()
25
26 def start(self):
27 start_new_thread(self._threadFunc, tuple())
28
29 def _threadFunc(self):
30 self._run_lock.acquire()
31 try:
32 try:
33 while self._stop_lock.acquire(0):
34 self._stop_lock.release()
35 self.run()
36 except Exception, err:
37 self.errorHandler(err)
38 finally:
39 self._run_lock.release()
40
41 def stop(self):
42 self._stop_lock.acquire()
43 self._run_lock.acquire()
44 self._run_lock.release()
45 self._stop_lock.release()
46 self.deinit()
47
48 #--- Abstract methods -------------------
49
50 def run(self):
51 """
52 Main code of the thread: have to be faster than one second
53 to be able to stop the thread.
54 """
55 raise NotImplementedError()
56
57 def errorHandler(self, err):
58 print >>stderr, "THREAD ERROR (%s): %s" % (err.__class__.__name__, err)
59
60 def deinit(self):
61 pass -
unicode2ascii() : conversion tout Unicode vers ASCII
Convertit n'importe quelle chaîne de caractères Unicode en chaîne de caractère ASCII : supprime les accents et remplace les lettres spéciales par des caractères ASCII semblables.
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 # This source code is distributed under GNU GPL v2 license
5 # written by Victor Stinner <victor.stinner AT haypocalc.com>
6 # http://www.haypocalc.com/
7 # creatied: 2006-08-14 -- last change: 2007-08-17
8
9 # Convert any unicode string to ASCII string:
10 # - Remove diacriticals
11 # - Replace special letter with similar ASCII character (similar glyph)
12 #
13 # Support greek, cyrillic, some latin letters and some signs.
14
15 from unicodedata import normalize
16
17 UNICODE_TO_ASCII = {
18 # Latin letters
19 u"Æ": u"AE", # U+00C6 (latin capital ligature ae)
20 u"Ø": u"O", # U+00D8 (latin capital letter o with stroke)
21 u"ß": u"ss", # U+00DF (latin small letter sharp s)
22 u"æ": u"ae", # U+00E6 (latin small ligature ae)
23 u"ø": u"o", # U+00F8 (latin small letter o with stroke)
24 u"?": u"l", # U+0142 (latin small letter l with stroke)
25 u"Œ": u"OE", # U+0152 (latin capital ligature oe)
26 u"œ": u"oe", # U+0153 (latin small ligature oe)
27
28 # Various signs
29 u"¡": u"!", # U+00A1 (inverted exclamation mark)
30 u"©": u"(c)", # U+00A9 (copyright sign)
31 u"«": u'"', # U+00AB (left-pointing double angle quotation mark)
32 u"®": u"(r)", # U+00AE (registred sign)
33 u"²": u"2", # U+00B2 (superscript two)
34 u"»": u'"', # U+00BB (right-pointing double angle quotation mark)
35 u"?": u"/", # U+2044 (fraction slash)
36
37 # Greek
38 u"?": u"A", # U+0391 (capital alpha)
39 u"?": u"B", # U+0392 (capital beta)
40 u"?": u"E", # U+0395 (capital epsilon)
41 u"?": u"Z", # U+0396 (capital zeta)
42 u"?": u"H", # U+0397 (capital eta)
43 u"?": u"O", # U+0398 (captial theta)
44 u"?": u"I", # U+0399 (capital iota)
45 u"?": u"K", # U+039A (capital kappa)
46 u"?": u"M", # U+039C (capital mu)
47 u"?": u"N", # U+039D (capital nu)
48 u"?": u"O", # U+039F (capital omicron)
49 u"?": u"P", # U+03A1 (capital rho)
50 u"?": u"T", # U+03A4 (capital tau)
51 u"?": u"Y", # U+03A5 (capital upsilon)
52 u"?": u"X", # U+03A7 (capital chi)
53 u"?": u"a", # U+03B1 (small alpha)
54 u"?": u"b", # U+03B2 (small beta)
55 u"?": u"y", # U+03B2 (small gamma)
56 u"?": u"e", # U+03B5 (small espilon)
57 u"?": u"n", # U+03B7 (small eta)
58 u"?": u"o", # U+03BF (small omicron)
59 u"?": u"p", # U+03C1 (small rho)
60 u"?": u"v", # U+03C1 (small upsilon)
61
62 # Cyrillic
63 u"?": u"I", # U+0406 (capital byelorussian-ukrainian i)
64 u"?": u"J", # U+0408 (capital je)
65 u"?": u"B", # U+0412 (capital ve)
66 u"?": u"E", # U+0415 (capital ie)
67 u"?": u"N", # U+0418 (capital i)
68 u"?": u"3", # U+0417 (capital ze)
69 u"?": u"K", # U+041A (capital ka)
70 u"?": u"M", # U+041C (capital em)
71 u"?": u"H", # U+041D (capital en)
72 u"?": u"O", # U+041E (capital o)
73 u"?": u"P", # U+0420 (capital er)
74 u"?": u"C", # U+0421 (capital es)
75 u"?": u"T", # U+0422 (capital te)
76 u"?": u"Y", # U+0423 (capital u)
77 u"?": u"X", # U+0425 (capital ha)
78 u"?": u"R", # U+042F (capital ya)
79 u"?": u"a", # U+0430 (small a)
80 u"?": u"b", # U+0432 (small ve)
81 u"?": u"e", # U+0435 (small ie)
82 u"?": u"3", # U+0437 (small ze)
83 u"?": u"k", # U+043A (small ka)
84 u"?": u"m", # U+043C (small em)
85 u"?": u"h", # U+043D (small en)
86 u"?": u"o", # U+043E (small o)
87 u"?": u"p", # U+0440 (small er)
88 u"?": u"c", # U+0441 (small es)
89 u"?": u"T", # U+0442 (small te)
90 u"?": u"y", # U+0443 (small u)
91 u"?": u"x", # U+0445 (small ha)
92 u"?": u"R", # U+044F (small ya)
93 u"?": u"i", # U+0456 (small byelorussian-ukrainian i)
94 u"?": u"j", # U+0458 (small je)
95 }
96
97 def unicode2ascii(text, replace=False):
98 """
99 Convert an unicode string (type 'unicode') to ascii string (type 'str').
100 Try to keep same visual result.
101
102 You can specify an ASCII character to replace non-ASCII character
103 in 'replace' argument (eg. replace='?').
104
105 >>> unicode2ascii(unicode("¡ Hé hø « español » ! Pythøn", "UTF-8"))
106 '! He ho " espanol " ! Python'
107 >>> unicode2ascii(unicode("L'œuf de læticia", "UTF-8"))
108 "L'oeuf de laeticia"
109 >>> unicode2ascii(unicode("????????????????????????????", "UTF-8"), u'?')
110 'IEOAB??EZHOIK?NM?OYanay?e?n?'
111 >>> unicode2ascii(unicode("??????????????????????????????????????????", "UTF-8"), u'?')
112 'EE??IIJKN?BE3NKMHOPCTYXabe3mho?pcTyxeeiijk'
113 """
114 assert isinstance(text, unicode)
115 if replace:
116 if isinstance(replace, str):
117 replace = unicode(replace, "latin-1")
118 if not isinstance(replace, unicode) \
119 or len(replace) != 1 \
120 or not (32 <= ord(replace) <= 127):
121 raise ValueError(
122 "invalid replace character (%r): "
123 "need one ascii printable character" % replace)
124
125 ascii = []
126 for char in text:
127 # Remove diacriticals
128 char = normalize("NFKD", char)[0]
129
130 # Known values
131 if char in UNICODE_TO_ASCII:
132 ascii.append(UNICODE_TO_ASCII[char])
133 continue
134
135 if ord(char) <= 127:
136 # Add valid ASCII
137 ascii.append(char)
138 elif replace:
139 # non-ASCII character
140 ascii.append(replace)
141 # else: ignore it
142
143 text = ''.join(ascii)
144 return text.encode("ascii", "strict")
145
146 if __name__ == "__main__":
147 from doctest import testmod
148 from sys import exit
149 failure, total = testmod()
150 if failure:
151 print "%s failure on %s tests" % (failure, total)
152 exit(1)
153 else:
154 print "All tests are OK (count=%s)" % total -
Jeu où il faut deviner un nombre entre 1 et 100
Little game: guess number between 001 and 100 Victor Stinner - 2007/10/04 - GPLv3 license
1 from time import time
2 l=int(time()*0111%100+1)
3 while(1):
4 print(chr(0100-(((((input(chr(~-0100))-l*(1^0))or(exit(0)))>0)<<1)+~0)-11+010>>0)) -
Serveur texte écoutant sur le port TCP 8080 : évalue l'entrée et envoie le résultat
text server listing on TCP 8080, evaluate input and send result usage:run server in one terminal, and "nc localhost 8080" in another Python script without any space nor tab, for digit: only use 0 and 1 Victor Stinner - 2007/10/02 - source code under GNU GPLv3 license
1 l=lambda(i):lambda(l):i.__getattribute__(\
2 O(l));i=lambda(i):l(__import__(O(i)));j=(\
3 ord,''.join);o=lambda(l):i('speniy')(l);O\
4 =lambda(I):j[1](chr((j[0](l)-i)%0x100)for\
5 (i,l)in(enumerate(I)));k=i('_`dxmqzpvhi')\
6 ;k=(k('rbpji'),k('ewco'),k('ljuw'),l(o(''\
7 'speniy')(o('AGaLRJZ'),o('SPENcXZYMJW')))\
8 );I=i('iuguxtus{')('tbmh{mosm');i=l([k[-1\
9 ](i[0])(*i[1:])for(i)in(('sfvvshqvx}',o(\
10 'SPNbWTIRM]'),o('SPaUIZYLIMN]'),1,),('bj'\
11 'pg',('',010*1010),),('ljuwis',1),('adeh'\
12 'ty',))][-1][0]);k=k[:-1];i=(i('rfey'),i(\
13 'sfpg'));k[-1](i[1]("%s\n"%k[1](j[-1](I(\
14 lambda(I):j[0](I)^10,(i[0](1)for(k)in(k[0\
15 ](101)))))))for(O)in(k[0](1010)))
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