aboutsummaryrefslogtreecommitdiff
path: root/ponysay
blob: ccdd244abc7fe18c8ab444d2e44c65957b14c21d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
#!/usr/bin/env python
# -*- coding: utf-8 -*-

'''
ponysay.py - Ponysay, cowsay reimplementation for ponies
Copyright (C) 2012  Erkin Batu AltunbaÅŸ et al.

This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.


Authors of ponysay.py:

         Erkin Batu AltunbaÅŸ:              Project leader, helped write the first implementation
         Mattias "maandree" Andrée:        Major contributor of both implementions
         Elis "etu" Axelsson:              Major contributor of current implemention and patcher of the first implementation
         Sven-Hendrik "svenstaro" Haase:   Major contributor of the first implementation
         Jan Alexander "heftig" Steffens:  Major contributor of the first implementation
         Kyah "L-four" Rindlisbacher:      Patched the first implementation

'''

import os
import shutil
import sys
import random
from subprocess import Popen, PIPE


'''
The version of ponysay
'''
VERSION = '2.3'


'''
The directory where ponysay is installed, this is modified when building with make
'''
INSTALLDIR = '/usr'



'''
This is the mane class of ponysay
'''
class Ponysay():
    '''
    Starts the part of the program the arguments indicate
    '''
    def __init__(self, args):
        if (args.argcount == 0) and not pipelinein:
            args.help()
            return
        
        
        if   args.opts['-h']        is not None:  args.help()
        elif args.opts['--quoters'] is not None:  self.quoters()
        elif args.opts['--onelist'] is not None:  self.onelist()
        elif args.opts['-v']        is not None:  self.version()
        elif args.opts['-l']        is not None:  self.list()
        elif args.opts['-L']        is not None:  self.linklist()
        elif args.opts['-B']        is not None:  self.balloonlist()
        elif args.opts['++onelist'] is not None:  self.__extraponies(); self.onelist()
        elif args.opts['+l']        is not None:  self.__extraponies(); self.list()
        elif args.opts['+L']        is not None:  self.__extraponies(); self.linklist()
        else:
            self.__extraponies(args)
            self.__bestpony(args)
            self.__ucsremap(args)
            if args.opts['-q'] is not None:  self.quote(args)
            else:                            self.print_pony(args)
    
    
    ##
    ## Methods that run before the mane methods
    ##
    
    '''
    Use extra ponies
    '''
    def __extraponies(self, args = None):
        if args is None:
            ponydirs[:] = extraponydirs
        elif args.opts['-F'] is not None:
            args.opts['-f'] = args.opts['-F']
            ponydirs[:] = extraponydirs
    
    
    '''
    Use best.pony if nothing else is set
    '''
    def __bestpony(self, args):
        if (args.opts['-f'] is None) or (args.opts['-q'] is None) or (len(args.opts['-q']) == 0):
            for ponydir in ponydirs:
                if os.path.isfile(ponydir + 'best.pony') or os.path.islink(ponydir + 'best.pony'):
                    pony = os.path.realpath(ponydir + 'best.pony') # Canonical path
                    args.opts['-f' if args.opts['-q'] is None else '-q'] = [pony]
                    break
    
    
    '''
    Apply pony name remapping to args according to UCS settings
    '''
    def __ucsremap(self, args):
        env_ucs = os.environ['PONYSAY_UCS_ME'] if 'PONYSAY_UCS_ME' in os.environ else ''
        ucs_conf = 0
        if   env_ucs in ('yes',    'y', '1'):  ucs_conf = 1
        elif env_ucs in ('harder', 'h', '2'):  ucs_conf = 2
        
        if ucs_conf == 0:
            return
        
        maplines = []
        for sharedir in sharedirs:
            if os.path.isfile(sharedir + 'ucsmap'):
                mapfile = None
                try:
                    mapfile = open(sharedir + 'ucsmap', 'r')
                    maplines += [line.replace('\n', '') for line in mapfile.readlines()]
                finally:
                    if mapfile is not None:
                        mapfile.close()
        
        map = {}
        stripset = ' \t' # must be string, wtf! and way doesn't python's doc say so
        for line in maplines:
            if (len(line) > 0) and not (line[0] == '#'):
                s = line.index('→')
                ucs   = line[:s]    .strip(stripset)
                ascii = line[s + 1:].strip(stripset)
                map[ucs] = ascii
        
        for flag in ('-f', '-q'):
            if args.opts[flag] is not None:
                for i in range(0, len(args.opts[flag])):
                    if args.opts[flag][i] in map:
                        args.opts[flag][i] = map[args.opts[flag][i]]
    
    
    ##
    ## Auxiliary methods
    ##
    
    '''
    Apply USC:ise pony names according to UCS settings
    '''
    def __ucsise(self, ponies, links = None):
        env_ucs = os.environ['PONYSAY_UCS_ME'] if 'PONYSAY_UCS_ME' in os.environ else ''
        ucs_conf = 0
        if   env_ucs in ('yes',    'y', '1'):  ucs_conf = 1
        elif env_ucs in ('harder', 'h', '2'):  ucs_conf = 2
        
        if ucs_conf == 0:
            return
        
        maplines = []
        for sharedir in sharedirs:
            if os.path.isfile(sharedir + 'ucsmap'):
                mapfile = None
                try:
                    mapfile = open(sharedir + 'ucsmap', 'r')
                    maplines += [line.replace('\n', '') for line in mapfile.readlines()]
                finally:
                    if mapfile is not None:
                        mapfile.close()
        
        map = {}
        stripset = ' \t' # must be string, wtf! and way doesn't python's doc say so
        for line in maplines:
            if (len(line) > 0) and not (line[0] == '#'):
                s = line.index('→')
                ucs   = line[:s]    .strip(stripset)
                ascii = line[s + 1:].strip(stripset)
                map[ascii] = ucs
        
        if ucs_conf == 1:
            for pony in ponies:
                if pony in map:
                    ponies.append(map[pony])
                    if links is not None:
                        links[map[pony]] = pony
        else:
            for j in range(0, len(ponies)):
                if ponies[j] in map:
                    ponies[j] = map[ponies[j]]
    
    
    '''
    Returns one file with full path, names is filter for names, also accepts filepaths
    '''
    def __getponypath(self, names = None):
        ponies = {}
        
        for ponydir in ponydirs:
            for ponyfile in os.listdir(ponydir):
                pony = ponyfile[:-5]
                if pony not in ponies:
                    ponies[pony] = ponydir + ponyfile
        
        if not names == None:
            for name in names:
                if os.path.exists(name):
                    ponies[name] = name
        
        if names == None:
            names = list(ponies.keys())
        
        pony = names[random.randrange(0, len(names))]
        if pony not in ponies:
            sys.stderr.write('I have never heared of any pony named %s\n' % (pony));
            exit(1)
        else:
            return ponies[pony]
    
    
    '''
    Returns a set with all ponies that have quotes and are displayable
    '''
    def __quoters(self):
        quotes = []
        quoteshash = set()
        _quotes = []
        for quotedir in quotedirs:
            _quotes += [item[:item.index('.')] for item in os.listdir(INSTALLDIR + '/share/ponysay/quotes/')]
        for quote in _quotes:
            if not quote == '':
                if not quote in quoteshash:
                    quoteshash.add(quote)
                    quotes.append(quote)
        
        ponies = set()
        for ponydir in ponydirs:
            for pony in os.listdir(ponydir):
                if not pony[0] == '.':
                    p = pony[:-5] # remove .pony
                    for quote in quotes:
                        if ('+' + p + '+') in ('+' + quote + '+'):
                            if not p in ponies:
                                ponies.add(p)
        
        return ponies
    
    
    '''
    Returns a list with all (pony, quote file) pairs
    '''
    def __quotes(self):
        quotes = []
        for quotedir in quotedirs:
            quotes += [quotedir + item for item in os.listdir(quotedir)]
        rc = []
        
        for ponydir in ponydirs:
            for pony in os.listdir(ponydir):
                if not pony[0] == '.':
                    p = pony[:-5] # remove .pony
                    for quote in quotes:
                        q = quote[quote.rindex('/') + 1:]
                        q = q[:q.rindex('.')]
                        if ('+' + p + '+') in ('+' + q + '+'):
                            rc.append((p, quote))
        
        return rc
    
    
    '''
    Gets the size of the terminal in (rows, columns)
    '''
    def __gettermsize(self):
        termsize = Popen(['stty', 'size'], stdout=PIPE, stdin=sys.stderr).communicate()[0]
        termsize = termsize.decode('utf8', 'replace')[:-1].split(' ') # [:-1] removes a \n
        termsize = [int(item) for item in termsize]
        return termsize
    
    
    
    ##
    ## Listing methods
    ##
    
    '''
    Columnise a list and prints it
    '''
    def __columnise(self, ponies):
        termwidth = self.__gettermsize()[1] + 2
        ponies.sort(key = lambda pony : pony[0])
        widths = [UCS.dispLen(pony[0]) for pony in ponies]
        width = max(widths) + 2 # longest pony file name + space between columns
        
        cols = termwidth // width
        rows = (len(ponies) + cols - 1) // cols
        columns = []
        for c in range(0, cols):  columns.append([])
        
        (y, x) = (0, 0)
        for j in range(0, len(ponies)):
            cell = ponies[j][1] + ' ' * (width - widths[j]);
            columns[x].append(cell)
            y += 1
            if y == rows:
                x += 1
                y = 0
        
        diff = rows * cols - len(ponies)
        if diff > 2:
            c = cols - 1
            diff -= 1
            while diff > 0:
                columns[c] = columns[c - 1][-diff:] + columns[c]
                c -= 1
                columns[c] = columns[c][:-diff]
                diff -= 1
                pass
        
        lines = []
        for r in range(0, rows):
             lines.append([])
             for c in range(0, cols):
                 if r < len(columns[c]):
                     line = lines[r].append(columns[c][r])
        
        print('\n'.join([''.join(line)[:-2] for line in lines]));
        print()
    
    
    '''
    Lists the available ponies
    '''
    def list(self):
        quoters = self.__quoters()
        
        for ponydir in ponydirs: # Loop ponydirs
            _ponies = os.listdir(ponydir)
            ponies = []
            for pony in _ponies:
                if (len(pony) > 5) and (pony[-5:] == '.pony'):
                    ponies.append(pony[:-5])
            self.__ucsise(ponies)
            
            if len(ponies) == 0:
                continue
            print('\033[1mponies located in ' + ponydir + '\033[21m')
            
            self.__columnise([(pony, '\033[1m' + pony + '\033[21m' if pony in quoters else pony) for pony in ponies])
    
    
    '''
    Lists the available ponies with alternatives inside brackets
    '''
    def linklist(self):
        termsize = self.__gettermsize()
        quoters = self.__quoters()
        
        for ponydir in ponydirs: # Loop ponydirs
            _ponies = os.listdir(ponydir)
            ponies = []
            for pony in _ponies:
                if (len(pony) > 5) and (pony[-5:] == '.pony'):
                    ponies.append(pony[:-5])
            
            if len(ponies) == 0:
                continue
            print('\033[1mponies located in ' + ponydir + '\033[21m')
            
            pseudolinkmap = {}
            self.__ucsise(ponies, pseudolinkmap)
            pairs = []
            for pony in ponies:
                if pony in pseudolinkmap:
                    pairs.append((pony, pseudolinkmap[pony] + '.pony'));
                else:
                    pairs.append((pony, os.path.realpath(ponydir + pony + '.pony') if os.path.islink(ponydir + pony + '.pony') else None))
            
            ponymap = {}
            for pair in pairs:
                if (pair[1] is None) or (pair[1] == ''):
                    if pair[0] not in ponymap:
                        ponymap[pair[0]] = []
                else:
                    target = pair[1][:-5]
                    if '/' in target:
                        target = target[target.rindex('/') + 1:]
                    if target in ponymap:
                        ponymap[target].append(pair[0])
                    else:
                        ponymap[target] = [pair[0]]
            
            width = 0
            ponies = {}
            for pony in ponymap:
                w = UCS.dispLen(pony)
                item = '\033[1m' + pony + '\033[21m' if (pony in quoters) else pony
                syms = ponymap[pony]
                syms.sort()
                if len(syms) > 0:
                    w += 2 + len(syms)
                    item += ' ('
                    first = True
                    for sym in syms:
                        w += UCS.dispLen(sym)
                        if first:  first = False
                        else:      item += ' '
                        item += '\033[1m' + sym + '\033[21m' if (sym in quoters) else sym
                    item += ')'
                ponies[(item.replace('\033[1m', '').replace('\033[21m', ''), item)] = w
                if width < w:
                    width = w
            
            self.__columnise(list(ponies))
    
    
    '''
    Lists with all ponies that have quotes and are displayable
    '''
    def quoters(self):
        last = ''
        ponies = []
        for pony in self.__quoters():
            ponies.append(pony)
        self.__ucsise(ponies)
        ponies.sort()
        for pony in ponies:
            if not pony == last:
                last = pony
                print(pony)
    
    
    '''
    Lists the available ponies one one column without anything bold
    '''
    def onelist(self):
        last = ''
        _ponies = []
        for ponydir in ponydirs: # Loop ponydirs
            _ponies += os.listdir(ponydir)
        ponies = []
        for pony in _ponies:
            if (len(pony) > 5) and (pony[-5:] == '.pony'):
                ponies.append(pony[:-5])
        self.__ucsise(ponies)
        ponies.sort()
        for pony in ponies:
            if not pony == last:
                last = pony
                print(pony)
    
    
    
    ##
    ## Balloon methods
    ##
    
    '''
    Prints a list of all balloons
    '''
    def balloonlist(self):
        termsize = self.__gettermsize()
        balloonset = set()
        
        for balloondir in balloondirs:
            for balloon in os.listdir(balloondir):
                if isthink and (len(balloon) > 6) and (balloon[-6:] == '.think'):
                    balloon = balloon[:-6]
                elif (not isthink) and (len(balloon) > 4) and (balloon[-4:] == '.say'):
                    balloon = balloon[:-4]
                else:
                    continue
                if balloon not in balloonset:
                    balloonset.add(balloon)
        
        self.__columnise([(balloon, balloon) for balloon in list(balloonset)])
    
    
    '''
    Returns one file with full path, names is filter for style names, also accepts filepaths
    '''
    def __getballoonpath(self, names):
        if names is None:
            return None
        balloons = {}
        
        for balloondir in balloondirs:
            for balloon in os.listdir(balloondir):
                balloonfile = balloon
                if isthink and (len(balloon) > 6) and (balloon[-6:] == '.think'):
                    balloon = balloon[:-6]
                elif (not isthink) and (len(balloon) > 4) and (balloon[-4:] == '.say'):
                    balloon = balloon[:-4]
                else:
                    continue
                if balloon not in balloons:
                    balloons[balloon] = balloondir + balloonfile
        
        for name in names:
            if os.path.exists(name):
                balloons[name] = name
        
        if names == None:
            names = list(balloons.keys())
        
        balloon = names[random.randrange(0, len(names))]
        if balloon not in balloons:
            sys.stderr.write('That balloon style %s does not exist\n' % (balloon));
            exit(1)
        else:
            return balloons[balloon]
    
    
    '''
    Creates the balloon style object
    '''
    def __getballoon(self, balloonfile):
        if balloonfile is None:
            if isthink:
                return Balloon('o', 'o', '( ', ' )', [' _'], ['_'], ['_'], ['_'], ['_ '], ' )', ' )', ' )', ['- '], ['-'], ['-'], ['-'], [' -'], '( ', '( ', '( ')
            return Balloon('\\', '/', '< ', ' >', [' _'], ['_'], ['_'], ['_'], ['_ '], ' \\', ' |', ' /', ['- '], ['-'], ['-'], ['-'], [' -'], '\\ ', '| ', '/ ')
        
        map = {}
        for elem in ('\\', '/', 'ww', 'ee', 'nw', 'nnw', 'n', 'nne', 'ne', 'nee', 'e', 'see', 'se', 'sse', 's', 'ssw', 'sw', 'sww', 'w', 'nww'):
            map[elem] = []
        
        balloonstream = None
        try:
            balloonstream = open(balloonfile, 'r')
            data = [line.replace('\n', '') for line in balloonstream.readlines()]
        finally:
            if balloonstream is not None:
                balloonstream.close()
        
        last = None
        for line in data:
            if len(line) > 0:
                if line[0] == ':':
                    map[last].append(line[1:])
                else:
                    last = line[:line.index(':')]
                    value = line[len(last) + 1:]
                    map[last].append(value)
        
        return Balloon(map['\\'][0], map['/'][0], map['ww'][0], map['ee'][0], map['nw'], map['nnw'], map['n'],
                       map['nne'], map['ne'], map['nee'][0], map['e'][0], map['see'][0], map['se'], map['sse'],
                       map['s'], map['ssw'], map['sw'], map['sww'][0], map['w'][0], map['nww'][0])
    
    
    
    ##
    ## Displaying methods
    ##
    
    '''
    Prints the name of the program and the version of the program
    '''
    def version(self):
        print('%s %s' % ('ponysay', VERSION))
    
    
    '''
    Print the pony with a speech or though bubble. message, pony and wrap from args are used.
    '''
    def print_pony(self, args):
        if args.message == None:
            msg = ''.join(sys.stdin.readlines()).rstrip()
        else:
            msg = args.message
        
        if args.opts['-c'] is not None: ## This algorithm should give some result as cowsay's (according to tests)
            buf = ''
            last = ' '
            CHARS = '\t \n'
            for c in msg:
                if (c in CHARS) and (last in CHARS):
                    if last == '\n':
                        buf += last
                    last = c
                else:
                    buf += c
                    last = c
            msg = buf.strip(CHARS)
            buf = ''
            for c in msg:
                if (c != '\n') or (last != '\n'):
                    buf += c
                    last = c
            msg = buf.replace('\n', '\n\n')
        
        pony = self.__getponypath(args.opts['-f'])
        
        if (len(pony) > 4) and (pony[-4:].lower() == '.png'):
            pony = '\'' + pony.replace('\'', '\'\\\'\'') + '\''
            pngcmd = ('img2ponysay -p -- ' if linuxvt else 'img2ponysay -- ') + pony
            pngpipe = os.pipe()
            Popen(pngcmd, stdout=os.fdopen(pngpipe[1], 'w'), shell=True).wait()
            pony = '/proc/' + str(os.getpid()) + '/fd/' + str(pngpipe[0])
        
        pony = self.__kms(pony)
        
        if linuxvt:
            print('\033[H\033[2J', end='')
        
        env_width = os.environ['PONYSAY_FULL_WIDTH'] if 'PONYSAY_FULL_WIDTH' in os.environ else None
        if env_width is None:  env_width = ''
        widthtruncation = self.__gettermsize()[1] if env_width not in ('yes', 'y', '1') else None
        messagewrap = int(args.opts['-W'][0]) if args.opts['-W'] is not None else None
        
        balloon = self.__getballoon(self.__getballoonpath(args.opts['-b']))
        
        backend = Backend(message = msg, ponyfile = pony, wrapcolumn = messagewrap if messagewrap is not None else 40, width = widthtruncation, balloon = balloon)
        backend.parse()
        output = backend.output
        if (len(output) > 0) and (output[-1] == '\n'):
            output = output[:-1]
        
        
        env_bottom = os.environ['PONYSAY_BOTTOM'] if 'PONYSAY_BOTTOM' in os.environ else None
        if env_bottom is None:  env_bottom = ''
        
        env_height = os.environ['PONYSAY_TRUNCATE_HEIGHT'] if 'PONYSAY_TRUNCATE_HEIGHT' in os.environ else None
        if env_height is None:  env_height = ''
        
        env_lines = os.environ['PONYSAY_SHELL_LINES'] if 'PONYSAY_SHELL_LINES' in os.environ else None
        if (env_lines is None) or (env_lines == ''):  env_lines = '2'
        
        lines = self.__gettermsize()[0] - int(env_lines)
        
        
        if linuxvt or (env_height is ('yes', 'y', '1')):
            if env_bottom is ('yes', 'y', '1'):
                for line in output.split('\n')[: -lines]:
                    print(line)
            else:
                for line in output.split('\n')[: lines]:
                    print(line)
        else:
            print(output);
    
    
    '''
    Print the pony with a speech or though bubble and a self quote
    '''
    def quote(self, args):
        pairs = self.__quotes()
        if len(args.opts['-q']) > 0:
            ponyset = {}
            for pony in args.opts['-q']:
                if (len(pony) > 5) and (pony[-5:] == '.pony'):
                    ponyname = pony[:-5]
                    if '/' in ponyname:
                        ponyname = ponyname[ponyname.rindex('/') + 1:]
                    ponyset[ponyname] = pony
                else:
                    ponyset[pony] = pony
            alts = []
            for pair in pairs:
                if pair[0] in ponyset:
                    alts.append((ponyset[pair[0]], pair[1]))
            pairs = alts
            
        if not len(pairs) == 0:
            pair = pairs[random.randrange(0, len(pairs))]
            qfile = None
            try:
                qfile = open(pair[1], 'r')
                args.message = '\n'.join(qfile.readlines()).strip()
            finally:
                if qfile is not None:
                    qfile.close()
            args.opts['-f'] = [pair[0]]
        elif len(args.opts['-q']) == 0:
            sys.stderr.write('Princess Celestia! All the ponies are mute!\n')
            exit(1)
        else:
            args.opts['-f'] = [args.opts['-q'][random.randrange(0, len(args.opts['-q']))]]
            args.message = 'Zecora! Help me, I am mute!'
        
        self.print_pony(args)
    
    
    '''
    Indentifies whether KMS support is utilised
    '''
    @staticmethod
    def isUsingKMS():
        if not linuxvt:
            return False
        
        env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
        if env_kms is None:  env_kms = ''
        
        env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None
        if (env_kms_cmd is not None) and (not env_kms_cmd == ''):
            env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace')
            if env_kms[-1] == '\n':
                env_kms = env_kms[:-1]
        
        return env_kms != ''
    
    
    '''
    Returns the file name of the input pony converted to a KMS pony, or if KMS is not used, the input pony itself
    '''
    def __kms(self, pony):
        if not linuxvt:
            return pony
        
        KMS_VERSION = '1'
        
        env_kms = os.environ['PONYSAY_KMS_PALETTE'] if 'PONYSAY_KMS_PALETTE' in os.environ else None
        if env_kms is None:  env_kms = ''
        
        env_kms_cmd = os.environ['PONYSAY_KMS_PALETTE_CMD'] if 'PONYSAY_KMS_PALETTE_CMD' in os.environ else None
        if (env_kms_cmd is not None) and (not env_kms_cmd == ''):
            env_kms = Popen(shlex.split(env_kms_cmd), stdout=PIPE, stdin=sys.stderr).communicate()[0].decode('utf8', 'replace')
            if env_kms[-1] == '\n':
                env_kms = env_kms[:-1]
        
        if env_kms == '':
            return pony
        
        palette = env_kms
        palettefile = env_kms.replace('\033]P', '')
        
        cachedir = '/var/cache/ponysay'
        if not os.path.isdir(cachedir):
            cachedir = HOME + '/.cache/ponysay'
            if not os.path.isdir(cachedir):
                os.makedirs(cachedir)
        
        newversion = False
        if not os.path.isfile(cachedir + '/.version'):
            newversion = True
        else:
            cachev = None
            try:
                cachev = open(cachedir + '/.version', 'r')
                if ''.join(cachev.readlines()) == KMS_VERSION:
                    newversion = True
            finally:
                if cachev is not None:
                    cachev.close()
        if newversion:
            for cached in os.listdir(cachedir):
                cached = cachedir + '/' + cached
                if os.path.isdir(cached) and not os.path.islink(cached):
                    shutil.rmtree(cached, False)
                else:
                    os.remove(cached)
            cachev = None
            try:
                cachev = open(cachedir + '/.version', 'w+')
                cachev.write(KMS_VERSION)
            finally:
                if cachev is not None:
                    cachev.close()
        
        kmsponies = cachedir + '/kmsponies/' + palettefile
        kmspony = (kmsponies + pony).replace('//', '/')
        
        if not os.path.isfile(kmspony):
            protokmsponies = cachedir + '/protokmsponies/'
            protokmspony = (protokmsponies + pony).replace('//', '/')
            
            protokmsponydir = protokmspony[:protokmspony.rindex('/')]
            kmsponydir      =      kmspony[:     kmspony.rindex('/')]
            
            _protokmspony = '\'' + protokmspony.replace('\'', '\'\\\'\'') + '\''
            _kmspony      = '\'' +      kmspony.replace('\'', '\'\\\'\'') + '\''
            _pony         = '\'' +         pony.replace('\'', '\'\\\'\'') + '\''
            
            if not os.path.isfile(protokmspony):
                if not os.path.isdir(protokmsponydir):
                    os.makedirs(protokmsponydir)
                if not os.system('ponysay2ttyponysay < ' + _pony + ' > ' + _protokmspony) == 0:
                    sys.stderr.write('Unable to run ponysay2ttyponysay successfully, you need util-say for KMS support\n')
                    exit(1)
            
            if not os.path.isdir(kmsponydir):
                os.makedirs(kmsponydir)
            if not os.system('tty2colourfultty -p ' + palette + ' < ' + _protokmspony + ' > ' + _kmspony) == 0:
                sys.stderr.write('Unable to run tty2colourfultty successfully, you need util-say for KMS support\n')
                exit(1)
        
        return kmspony



ARGUMENTLESS = 0
ARGUMENTED = 1
VARIADIC = 2
'''
Simple argument parser
'''
class ArgParser():
    '''
    Constructor.
    The short description is printed on same line as the program name
    '''
    def __init__(self, program, description, usage, longdescription = None):
        self.__program = program
        self.__description = description
        self.__usage = usage
        self.__longdescription = longdescription
        self.__arguments = []
        self.opts = {}
        self.optmap = {}
    
    
    '''
    Add option that takes no arguments
    '''
    def add_argumentless(self, alternatives, help = None):
        ARGUMENTLESS
        self.__arguments.append((ARGUMENTLESS, alternatives, None, help))
        stdalt = alternatives[0]
        self.opts[stdalt] = None
        for alt in alternatives:
            self.optmap[alt] = (stdalt, ARGUMENTLESS)
    
    '''
    Add option that takes one argument
    '''
    def add_argumented(self, alternatives, arg, help = None):
        self.__arguments.append((ARGUMENTED, alternatives, arg, help))
        stdalt = alternatives[0]
        self.opts[stdalt] = None
        for alt in alternatives:
            self.optmap[alt] = (stdalt, ARGUMENTED)
    
    '''
    Add option that takes all following argument
    '''
    def add_variadic(self, alternatives, arg, help = None):
        self.__arguments.append((VARIADIC, alternatives, arg, help))
        stdalt = alternatives[0]
        self.opts[stdalt] = None
        for alt in alternatives:
            self.optmap[alt] = (stdalt, VARIADIC)
    
    
    '''
    Parse arguments
    '''
    def parse(self, argv = sys.argv):
        self.argcount = len(argv) - 1
        self.files = []
        
        argqueue = []
        optqueue = []
        deque = []
        for arg in argv[1:]:
            deque.append(arg)
        
        dashed = False
        tmpdashed = False
        get = 0
        dontget = 0
        
        def unrecognised(arg):
            sys.stderr.write('%s: warning: unrecognised option %s\n' % (self.__program, arg))
        
        while len(deque) != 0:
            arg = deque[0]
            deque = deque[1:]
            if (get > 0) and (dontget == 0):
                get -= 1
                argqueue.append(arg)
            elif tmpdashed:
                self.files.append(arg)
                tmpdashed = False
            elif dashed:        self.files.append(arg)
            elif arg == '++':   tmpdashed = True
            elif arg == '--':   dashed = True
            elif (len(arg) > 1) and (arg[0] in ('-', '+')):
                if (len(arg) > 2) and (arg[:2] in ('--', '++')):
                    if dontget > 0:
                        dontget -= 1
                    elif (arg in self.optmap) and (self.optmap[arg][1] == ARGUMENTLESS):
                        optqueue.append(arg)
                        argqueue.append(None)
                    elif '=' in arg:
                        arg_opt = arg[:arg.index('=')]
                        if (arg_opt in self.optmap) and (self.optmap[arg_opt][1] >= ARGUMENTED):
                            optqueue.append(arg_opt)
                            argqueue.append(arg[arg.index('=') + 1:])
                            if self.optmap[arg_opt][1] == VARIADIC:
                                dashed = True
                        else:
                            unrecognised(arg)
                    elif (arg in self.optmap) and (self.optmap[arg][1] == ARGUMENTED):
                        optqueue.append(arg)
                        get += 1
                    elif (arg in self.optmap) and (self.optmap[arg][1] == VARIADIC):
                        optqueue.append(arg)
                        argqueue.append(None)
                        dashed = True
                    else:
                        unrecognised(arg)
                else:
                    sign = arg[0]
                    i = 1
                    n = len(arg)
                    while i < n:
                        narg = sign + arg[i]
                        i += 1
                        if (narg in self.optmap):
                            if self.optmap[narg][1] == ARGUMENTLESS:
                                optqueue.append(narg)
                                argqueue.append(None)
                            elif self.optmap[narg][1] == ARGUMENTED:
                                optqueue.append(narg)
                                nargarg = arg[i:]
                                if len(nargarg) == 0:
                                    get += 1
                                else:
                                    argqueue.append(nargarg)
                                break
                            elif self.optmap[narg][1] == VARIADIC:
                                optqueue.append(narg)
                                nargarg = arg[i:]
                                argqueue.append(nargarg if len(nargarg) > 0 else None)
                                dashed = True
                                break
                        else:
                            unrecognised(arg)
            else:
                self.files.append(arg)
        
        i = 0
        n = len(optqueue)
        while i < n:
            opt = optqueue[i]
            arg = argqueue[i]
            i += 1
            opt = self.optmap[opt][0]
            if (opt not in self.opts) or (self.opts[opt] is None):
                self.opts[opt] = []
            self.opts[opt].append(arg)
        
        for arg in self.__arguments:
            if (arg[0] == VARIADIC):
                varopt = self.opts[arg[1][0]]
                if varopt is not None:
                    additional = ','.join(self.files).split(',') if len(self.files) > 0 else []
                    if varopt[0] is None:
                        self.opts[arg[1][0]] = additional
                    else:
                        self.opts[arg[1][0]] = varopt[0].split(',') + additional
                    self.files = []
                    break
        
        self.message = ' '.join(self.files) if len(self.files) > 0 else None
    
    
    '''
    Prints a colourful help message
    '''
    def help(self):
        print('\033[1m%s\033[21m %s %s' % (self.__program, '-' if linuxvt else '—', self.__description))
        print()
        if self.__longdescription is not None:
            print(self.__longdescription)
            print()
        print()
        
        print('\033[1mUSAGE:\033[21m', end='')
        first = True
        for line in self.__usage.split('\n'):
            if first:
                first = False
            else:
                print('    or', end='')
            print('\t%s' % (line))
        print()
        
        print('\033[1mSYNOPSIS:\033[21m')
        print()
        for opt in self.__arguments:
            opt_type = opt[0]
            opt_alts = opt[1]
            opt_arg = opt[2]
            opt_help = opt[3]
            if opt_help is None:
                continue
            for opt_alt in opt_alts:
                if opt_alt is opt_alts[-1]:
                    print('\t' + opt_alt, end='')
                    if   opt_type == ARGUMENTED:  print(' \033[4m%s\033[24m'      % (opt_arg))
                    elif opt_type == VARIADIC:    print(' [\033[4m%s\033[24m...]' % (opt_arg))
                    else:                         print()
                else:
                    print('\t\033[2m' + opt_alt + '\033[22m')
            first = True
            for line in opt_help.split('\n'):
                if first:
                    first = False
                    print('\t\t\033[32;1m%s\033[21;39m' % (line))
                else:
                    print('\t\t%s' % (line))
            print()
        
        print()



'''
Balloon format class
'''
class Balloon():
    '''
    Constructor
    '''
    def __init__(self, link, linkmirror, ww, ee, nw, nnw, n, nne, ne, nee, e, see, se, sse, s, ssw, sw, sww, w, nww):
        (self.link, self.linkmirror) = (link, linkmirror)
        (self.ww, self.ee) = (ww, ee)
        (self.nw, self.ne, self.se, self.sw) = (nw, ne, se, sw)
        (self.nnw, self.n, self.nne) = (nnw, n, nne)
        (self.nee, self.e, self.see) = (nee, e, see)
        (self.sse, self.s, self.ssw) = (sse, s, ssw)
        (self.sww, self.w, self.nww) = (sww, w, nww)
        
        _ne = max(ne, key = UCS.dispLen)
        _nw = max(nw, key = UCS.dispLen)
        _se = max(se, key = UCS.dispLen)
        _sw = max(sw, key = UCS.dispLen)
        
        minE = UCS.dispLen(max([_ne, nee, e, see, _se, ee], key = UCS.dispLen))
        minW = UCS.dispLen(max([_nw, nww, e, sww, _sw, ww], key = UCS.dispLen))
        minN = len(max([ne, nne, n, nnw, nw], key = len))
        minS = len(max([se, sse, s, ssw, sw], key = len))
        
        self.minwidth = minE + minE
        self.minheight = minN + minS
    
    
    '''
    Generates a balloon with a message
    '''
    def get(self, minw, minh, lines, lencalc):
        h = self.minheight + len(lines)
        w = self.minwidth + lencalc(max(lines, key = lencalc))
        if w < minw:  w = minw
        if h < minh:  h = minh
        
        if len(lines) > 1:
            (ws, es) = ({0 : self.nww, len(lines) - 1 : self.sww}, {0 : self.nee, len(lines) - 1 : self.see})
            for j in range(1, len(lines) - 1):
                ws[j] = self.w
                es[j] = self.e
        else:
            (ws, es) = ({0 : self.ww}, {0 : self.ee})
        
        rc = []
        
        for j in range(0, len(self.n)):
            outer = UCS.dispLen(self.nw[j]) + UCS.dispLen(self.ne[j])
            inner = UCS.dispLen(self.nnw[j]) + UCS.dispLen(self.nne[j])
            if outer + inner >= w:
                rc.append(self.nw[j] + self.nnw[j] + self.n[j] * (w - outer - inner) + self.nne[j] + self.ne[j])
            else:
                rc.append(self.nw[j] + self.n[j] * (w - outer) + self.ne[j])
        
        for j in range(0, len(lines)):
            rc.append(ws[j] + lines[j] + ' ' * (w - lencalc(lines[j]) - UCS.dispLen(self.w) - UCS.dispLen(self.e)) + es[j])
        
        for j in range(0, len(self.s)):
            outer = UCS.dispLen(self.sw[j]) + UCS.dispLen(self.se[j])
            inner = UCS.dispLen(self.ssw[j]) + UCS.dispLen(self.sse[j])
            if outer + inner >= w:
                rc.append(self.sw[j] + self.ssw[j] + self.s[j] * (w - outer - inner) + self.sse[j] + self.se[j])
            else:
                rc.append(self.sw[j] + self.s[j] * (w - outer) + self.se[j])
        
        return '\n'.join(rc)



'''
Replacement for cowsay
'''
class Backend():
    '''
    Constructor
    Takes message [string], ponyfile [filename string], wrapcolumn [None or an int], width [None or an int] and balloon [Balloon object]
    '''
    def __init__(self, message, ponyfile, wrapcolumn, width, balloon):
        self.message = message
        self.ponyfile = ponyfile
        self.wrapcolumn = wrapcolumn
        self.width = width
        self.balloon = balloon
        
        self.link = {'\\' : self.balloon.link, '/' : self.balloon.linkmirror}
        
        self.output = ''
        self.pony = None
    
    
    '''
    Process all data
    '''
    def parse(self):
        self.__expandMessage()
        self.__loadFile()
        self.__processPony()
        self.__truncate()
    
    
    '''
    Converts all tabs in the message to spaces by expanding
    '''
    def __expandMessage(self):
        lines = self.message.split('\n')
        buf = ''
        for line in lines:
            (i, n, x) = (0, len(line), 0)
            while i < n:
                c = line[i]
                i += 1
                if c == '\033':
                    colour = self.__getcolour(line, i - 1)
                    i += len(colour) - 1
                    buf += colour
                elif c == '\t':
                    nx = 8 - (x & 7)
                    buf += ' ' * nx
                    x += nx
                else:
                    buf += c
                    if not UCS.isCombining(c):
                        x += 1
            buf += '\n'
        self.message = buf[:-1]
    
    
    '''
    Loads the pony file
    '''
    def __loadFile(self):
        ponystream = None
        try:
            ponystream = open(self.ponyfile, 'r')
            self.pony = ''.join(ponystream.readlines())
        finally:
            if ponystream is not None:
                ponystream.close()
    
    
    '''
    Truncate output to the width of the screen
    '''
    def __truncate(self):
        if self.width is None:
            return
        lines = self.output.split('\n')
        self.output = ''
        for line in lines:
            (i, n, x) = (0, len(line), 0)
            while i < n:
                c = line[i]
                i += 1
                if c == '\033':
                    colour = self.__getcolour(line, i - 1)
                    i += len(colour) - 1
                    self.output += colour
                else:
                    if x < self.width:
                        self.output += c
                        if not UCS.isCombining(c):
                            x += 1
            self.output += '\n'
        self.output = self.output[:-1]
    
    
    '''
    Process the pony file and generate output to self.output
    '''
    def __processPony(self):
        self.output = ''
        
        AUTO_PUSH = '\033[01010~'
        AUTO_POP  = '\033[10101~'
        
        variables = {'' : '$'}
        for key in self.link:
            variables[key] = AUTO_PUSH + self.link[key] + AUTO_POP
        
        indent = 0
        dollar = None
        balloonLines = None
        colourstack = ColourStack(AUTO_PUSH, AUTO_POP)
        
        (i, n, lineindex, skip, nonskip) = (0, len(self.pony), 0, 0, 0)
        while i < n:
            c = self.pony[i]
            if c == '\t':
                n += 8 - (indent & 7)
                ed = ' ' * (7 - (indent & 7))
                c = ' '
                self.pony = self.pony[:i] + ed + self.pony[i:]
            i += 1
            if c == '$':
                if dollar is not None:
                    if '=' in dollar:
                        name = dollar[:find('=')]
                        value = dollar[find('=') + 1:]
                        variables[name] = value
                    elif (len(dollar) < 7) or not (dollar[:7] == 'balloon'):
                        data = variables[dollar].replace('$', '$$')
                        if data == '$$': # if not handled specially we will get an infinity loop
                            if (skip == 0) or (nonskip > 0):
                                if nonskip > 0:
                                    nonskip -= 1
                                self.output += '$'
                                indent += 1
                            else:
                                skip -= 1
                        else:
                            n += len(data)
                            self.pony = self.pony[:i] + data + self.pony[i:]
                    else:
                        (w, h) = (0, 0)
                        props = dollar[7:]
                        if len(props) > 0:
                            if ',' in props:
                                if props[0] is not ',':
                                    w = int(props[:props.index(',')])
                                h = int(props[props.index(',') + 1:])
                            else:
                                w = int(props)
                        balloon = self.__getballoon(w, h, indent).split('\n')
                        balloon = [AUTO_PUSH + item + AUTO_POP for item in balloon]
                        for b in balloon[0]:
                            self.output += b + colourstack.feed(b)
                        if lineindex == 0:
                            balloonpre = '\n' + (' ' * indent)
                            for line in balloon[1:]:
                                self.output += balloonpre;
                                for b in line:
                                    self.output += b + colourstack.feed(b);
                            indent = 0
                        elif len(balloon) > 1:
                            balloonLines = balloon
                            balloonLine = 0
                            balloonIndent = indent
                            indent += self.__len(balloonLines[0])
                            balloonLines[0] = None
                    dollar = None
                else:
                    dollar = ''
            elif dollar is not None:
                if c == '\033':
                    c = self.pony[i]
                    i += 1
                dollar += c
            elif c == '\033':
                colour = self.__getcolour(self.pony, i - 1)
                for b in colour:
                    self.output += b + colourstack.feed(b);
                i += len(colour) - 1
            elif c == '\n':
                self.output += c
                indent = 0
                (skip, nonskip) = (0, 0)
                lineindex += 1
                if balloonLines is not None:
                    balloonLine += 1
                    if balloonLine == len(balloonLines):
                        balloonLines = None
            else:
                if (balloonLines is not None) and (balloonLines[balloonLine] is not None) and (balloonIndent == indent):
                    data = balloonLines[balloonLine]
                    datalen = self.__len(data)
                    skip += datalen
                    nonskip += datalen
                    data = data.replace('$', '$$')
                    n += len(data)
                    self.pony = self.pony[:i] + data + self.pony[i:]
                    balloonLines[balloonLine] = None
                else:
                    if (skip == 0) or (nonskip > 0):
                        if nonskip > 0:
                            nonskip -= 1
                        self.output += c + colourstack.feed(c);
                        if not UCS.isCombining(c):
                            indent += 1
                    else:
                        skip -= 1
        
        if balloonLines is not None:
            for line in balloonLines[balloonLine:]:
                data = ' ' * (balloonIndent - indent) + line + '\n'
                for b in data:
                    self.output += b + colourstack.feed(b);
                indent = 0
        
        self.output = self.output.replace(AUTO_PUSH, '').replace(AUTO_POP, '')
    
    
    '''
    Gets colour code att the currect offset in a buffer
    '''
    def __getcolour(self, input, offset):
        (i, n) = (offset, len(input))
        rc = input[i]
        i += 1
        if i == n: return rc
        c = input[i]
        i += 1
        rc += c
        
        if c == ']':
            if i == n: return rc
            c = input[i]
            i += 1
            rc += c
            if c == 'P':
                di = 0
                while (di < 7) and (i < n):
                    c = input[i]
                    i += 1
                    di += 1
                    rc += c
        elif c == '[':
            while i < n:
                c = input[i]
                i += 1
                rc += c
                if (c == '~') or (('a' <= c) and (c <= 'z')) or (('A' <= c) and (c <= 'Z')):
                    break
        
        return rc
    
    
    '''
    Calculates the number of visible characters in a text
    '''
    def __len(self, input):
        (rc, i, n) = (0, 0, len(input))
        while i < n:
            c = input[i]
            if c == '\033':
                i += len(self.__getcolour(input, i))
            else:
                i += 1
                if not UCS.isCombining(c):
                    rc += 1
        return rc
    
    
    '''
    Generates a balloon with the message
    '''
    def __getballoon(self, width, height, left):
        wrap = None
        if self.wrapcolumn is not None:
            wrap = self.wrapcolumn - left
            if wrap < 8:
                wrap = 8
        
        msg = self.message
        if wrap is not None:
            msg = self.__wrapMessage(msg, wrap)
        lines = msg.split('\n')
        
        return self.balloon.get(width, height, lines, self.__len)
    
    
    '''
    Wraps the message
    '''
    def __wrapMessage(self, message, wrap):
        lines = message.split('\n')
        buf = ''
        for line in lines:
            b = [None] * len(line)
            map = {}
            (bi, cols, w) = (0, 0, wrap)
            (indent, indentc) = (-1, 0)
            
            (i, n) = (0, len(line))
            while i <= n:
                d = None
                if i != n:
                    d = line[i]
                i += 1
                if d == '\033':  # TODO this should use self.__getcolour()
                    b[bi] = d
                    bi += 1
                    b[bi] = line[i]
                    d = line[i]
                    bi += 1
                    i += 1
                    if d == '[':
                        while True:
                            b[bi] = line[i]
                            d = line[i]
                            bi += 1
                            i += 1
                            if (('a' <= d) and (d <= 'z')) or (('A' <= d) and (d <= 'Z')) or (d == '~'):
                                break
                    elif d == ']':
                        b[bi] = line[i]
                        d = line[i]
                        bi += 1
                        i += 1
                        if d == 'P':
                            for j in range(0, 7):
                                b[bi] = line[i]
                                bi += 1
                                i += 1
                elif (d is not None) and (d != ' '):
                    if indent == -1:
                        indent = i - 1
                        for j in range(0, indent):
                            if line[j] == ' ':
                                indentc += 1
                    b[bi] = d
                    bi += 1
                    if not UCS.isCombining(d):
                        cols += 1
                    map[cols] = bi
                else:
                    mm = 0
                    while (w > 8) and (cols > w + 3):
                        mm += w - 1
                        m = map[mm]
                        for bb in b[:m]:
                            buf += bb
                        buf += '-\n'
                        cols -= w - 1
                        m += w -1
                        bi -= m
                        bb = b[m:]
                        for j in range(0, bi):
                            b[j] = bb[j]
                        w = wrap
                        if indent != -1:
                            buf += line[:indent]
                            w -= indentc
                    if cols > w:
                        buf += '\n'
                        w = wrap
                        if indent != -1:
                            buf += line[:indent]
                            w -= indentc
                    for bb in b[:bi]:
                        buf += bb
                    w -= cols
                    cols = 0
                    bi = 0
                    if d == -1:
                        i += 1
                    else:
                        if w > 0:
                            buf += ' '
                            w -= 1
                        else:
                            buf += '\n'
                            w = wrap
                            if indent != -1:
                                buf + line[:indent]
                                w -= indentc
            
            buf += '\n'
        return '\n'.join(line.rstrip() for line in buf[:-1].split('\n'))


'''
ANSI colour stack
'''
class ColourStack():
    '''
    Constructor
    '''
    def __init__(self, autopush, autopop):
        self.autopush = autopush
        self.autopop = autopop
        self.lenpush = len(autopush)
        self.lenpop = len(autopop)
        self.bufproto = ' ' * (self.lenpush if self.lenpush > self.lenpop else self.lenpop)
        self.stack = []
        self.push()
        self.seq = None
    
    
    def push(self):
        self.stack = [[self.bufproto, None, None, [False] * 9]] + self.stack
        if len(self.stack) == 1:
            return None
        old = self.stack[1]
        rc = '\033['
        if old[1] is not None:  rc += '39;'
        if old[2] is not None:  rc += '49;'
        for i in range(0, 9):
            if old[3][i]:
                rc += '2%i;' % (i + 1)
        return '' if len(rc) == 2 else (rc[:-1] + 'm')
    
    
    def pop(self):
        old = self.stack[0]
        self.stack = self.stack[1:]
        rc = '\033['
        if old[1] is not None:  rc += '39;'
        if old[2] is not None:  rc += '49;'
        for i in range(0, 9):
            if old[3][i]:
                rc += str(i + 21) + ';'
        new = self.stack[0]
        if new[1] is not None:  rc += new[1] + ';'
        if new[2] is not None:  rc += new[2] + ';'
        for i in range(0, 9):
            if new[3][i]:
                rc += str(i + 1) + ';'
        return '' if len(rc) == 2 else (rc[:-1] + 'm')
    
    
    def feed(self, char):
        if self.seq is not None:
            self.seq += char
            if (char == '~') or (('a' <= char) and (char <= 'z')) or (('A' <= char) and (char <= 'Z')):
                if (self.seq[0] == '[') and (self.seq[-1] == 'm'):
                    self.seq = self.seq[1:-1].split(';')
                    (i, n) = (0, len(self.seq))
                    while i < n:
                        part = self.seq[i]
                        p = 0 if part == '' else int(part)
                        i += 1
                        if p == 0:                       self.stack[0][1:] = [None, None, [False] * 9]
                        elif (1 <= p) and (p <= 9):      self.stack[0][3][p - 1] = True
                        elif (21 <= p) and (p <= 29):    self.stack[0][3][p - 21] = False
                        elif p == 39:                    self.stack[0][1] = None
                        elif p == 49:                    self.stack[0][2] = None
                        elif (30 <= p) and (p <= 37):    self.stack[0][1] = part
                        elif (90 <= p) and (p <= 97):    self.stack[0][1] = part
                        elif (40 <= p) and (p <= 47):    self.stack[0][2] = part
                        elif (100 <= p) and (p <= 107):  self.stack[0][2] = part
                        elif p == 38:
                            self.stack[0][1] = '%s;%s;%s' % (part, self.seq[i], self.seq[i + 1])
                            i += 2
                        elif p == 48:
                            self.stack[0][2] = '%s;%s;%s' % (part, self.seq[i], self.seq[i + 1])
                            i += 2
                self.seq = None
        elif char == '\033':
            self.seq = ''
        buf = self.stack[0][0]
        buf = buf[1:] + char
        rc = ''
        if buf[-self.lenpush:] == self.autopush:  rc = self.push()
        elif buf[-self.lenpop:] == self.autopop:  rc = self.pop()
        self.stack[0][0] = buf
        return rc



'''
UCS utility class
'''
class UCS():
    '''
    Checks whether a character is a combining character
    '''
    @staticmethod
    def isCombining(char):
        o = ord(char)
        if (0x0300 <= o) and (o <= 0x036F):  return True
        if (0x20D0 <= o) and (o <= 0x20FF):  return True
        if (0x1DC0 <= o) and (o <= 0x1DFF):  return True
        if (0xFE20 <= o) and (o <= 0xFE2F):  return True
        return False
    
    
    '''
    Gets the number of combining characters in a string
    '''
    @staticmethod
    def countCombining(string):
        rc = 0
        for char in string:
            if UCS.isCombining(char):
                rc += 1
        return rc
    
    
    '''
    Gets length of a string not counting combining characters
    '''
    @staticmethod
    def dispLen(string):
        return len(string) - UCS.countCombining(string)



'''
The user's home directory
'''
HOME = os.environ['HOME'] if 'HOME' in os.environ else os.path.expanduser('~')


'''
Whether the program is execute in Linux VT (TTY)
'''
linuxvt = ('TERM' in os.environ) and (os.environ['TERM'] == 'linux')


'''
Whether the script is executed as ponythink
'''
isthink =  (len(__file__) >= 5) and (__file__[-5:] == 'think')
isthink = ((len(__file__) >= 8) and (__file__[-8:] == 'think.py')) or isthink


'''
Whether stdin is piped
'''
pipelinein = not sys.stdin.isatty()

'''
Whether stdout is piped
'''
pipelineout = not sys.stdout.isatty()

'''
Whether stderr is piped
'''
pipelineerr = not sys.stderr.isatty()


'''
Whether KMS is used
'''
usekms = Ponysay.isUsingKMS()


'''
Root share/ directories
'''
sharedirs = []
_sharedirs = [HOME + '/.local/share/ponysay/',  INSTALLDIR + '/share/ponysay/']
for sharedir in _sharedirs:
    if os.path.isdir(sharedir):
        sharedirs.append(sharedir)


'''
The directories where pony files are stored, ttyponies/ are used if the terminal is Linux VT (also known as TTY) and not with KMS
'''
ponydirs = []
if linuxvt and not usekms:  _ponydirs = [d + 'ttyponies/' for d in sharedirs]
else:                       _ponydirs = [d + 'ponies/'    for d in sharedirs]
for ponydir in _ponydirs:
    if os.path.isdir(ponydir):
        ponydirs.append(ponydir)


'''
The directories where pony files are stored, extrattyponies/ are used if the terminal is Linux VT (also known as TTY) and not with KMS
'''
extraponydirs = []
if linuxvt and not usekms:  _extraponydirs = [d + 'extrattyponies/' for d in sharedirs]
else:                       _extraponydirs = [d + 'extraponies/'    for d in sharedirs]
for extraponydir in _extraponydirs:
    if os.path.isdir(extraponydir):
        extraponydirs.append(extraponydir)


'''
The directories where quotes files are stored
'''
quotedirs = []
_quotedirs = [d + 'quotes/' for d in sharedirs]
for quotedir in _quotedirs:
    if os.path.isdir(quotedir):
        quotedirs.append(quotedir)


'''
The directories where balloon style files are stored
'''
balloondirs = []
_balloondirs = [d + 'balloons/' for d in sharedirs]
for balloondir in _balloondirs:
    if os.path.isdir(balloondir):
        balloondirs.append(balloondir)


usage_saythink = '\033[34;1m(ponysay | ponythink)\033[21;39m'
usage_common   = '[-c] [-W \033[4mCOLUMN\033[24m] [-b \033[4mSTYLE\033[24m]'
usage_listhelp = '(-l | -L | -B | +l | +L | -v | -h)'
usage_file     = '[(-f | -F) \033[4mPONY\033[24m]... ([--] \033[4mmessage\033[24m | <<<\033[4mmessage\033[24m)'
usage_quote    = '-q [\033[4mPONY\033[24m...]'

usage = '%s %s\n%s %s %s\n%s %s %s' % (usage_saythink, usage_listhelp,
                                       usage_saythink, usage_common, usage_file,
                                       usage_saythink, usage_common, usage_quote)

usage = usage.replace('\033[', '\0')
for sym in ('[', ']', '(', ')', '|', '...'):
    usage = usage.replace(sym, '\033[2m' + sym + '\033[22m')
usage = usage.replace('\0', '\033[')

'''
Argument parsing
'''
opts = ArgParser(program     = 'ponythink' if isthink else 'ponysay',
                 description = 'cowsay reimplemention for ponies',
                 usage       = usage,
                 longdescription =
'''Ponysay displays an image of a pony saying some text provided by the user.
If \033[4mmessage\033[24m is not provided, it accepts standard input. For an extensive
documentation run `info ponysay`, or for just a little more help than this
run `man ponysay`. Ponysay has so much more to offer than described here.''')

opts.add_argumentless(['--quoters'])
opts.add_argumentless(['--onelist'])
opts.add_argumentless(['++onelist'])

opts.add_argumentless(['-h', '--help'],                                   help = 'Print this help message.')
opts.add_argumentless(['-v', '--version'],                                help = 'Print the version of the program.')
opts.add_argumentless(['-l', '--list'],                                   help = 'List pony names.')
opts.add_argumentless(['-L', '--symlist', '--altlist'],                   help = 'List pony names with alternatives.')
opts.add_argumentless(['+l', '++list'],                                   help = 'List non-MLP:FiM pony names.')
opts.add_argumentless(['+L', '++symlist', '++altlist'],                   help = 'List non-MLP:FiM pony names with alternatives.')
opts.add_argumentless(['-B', '--bubblelist', '--balloonlist'],            help = 'List balloon styles.')
opts.add_argumentless(['-c', '--compact'],                                help = 'Compress messages.')
opts.add_argumented(  ['-W', '--wrap'],                  arg = 'COLUMN',  help = 'Specify the column when the message should be wrapped.')
opts.add_argumented(  ['-b', '--bubble', '--balloon'],   arg = 'STYLE',   help = 'Select a balloon style.')
opts.add_argumented(  ['-f', '--file', '--pony'],        arg = 'PONY',    help = 'Select a pony.\nEither a file name or a pony name.')
opts.add_argumented(  ['-F', '++file', '++pony'],        arg = 'PONY',    help = 'Select a non-MLP:FiM pony.')
opts.add_variadic(    ['-q', '--quote'],                 arg = 'PONY',    help = 'Select a ponies which will quote themself.')

opts.parse()



'''
Start the program from ponysay.__init__ if this is the executed file
'''
if __name__ == '__main__':
    Ponysay(opts)