Learn how easy it is to sync an existing GitHub or Google Code repo to a SourceForge project! See Demo

Close

[278842]: Lib / idlelib / EditorWindow.py Maximize Restore History

Repo status: analyzing...

Download this file

EditorWindow.py    1417 lines (1263 with data), 52.7 kB

   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
import sys
import os
import re
import imp
from itertools import count
from Tkinter import *
import tkSimpleDialog
import tkMessageBox
import webbrowser
import idlever
import WindowList
import SearchDialog
import GrepDialog
import ReplaceDialog
import PyParse
from configHandler import idleConf
import aboutDialog, textView, configDialog
# The default tab setting for a Text widget, in average-width characters.
TK_TABWIDTH_DEFAULT = 8
def _find_module(fullname, path=None):
"""Version of imp.find_module() that handles hierarchical module names"""
file = None
for tgt in fullname.split('.'):
if file is not None:
file.close() # close intermediate files
(file, filename, descr) = imp.find_module(tgt, path)
if descr[2] == imp.PY_SOURCE:
break # find but not load the source file
module = imp.load_module(tgt, file, filename, descr)
try:
path = module.__path__
except AttributeError:
raise ImportError, 'No source for module ' + module.__name__
return file, filename, descr
class EditorWindow:
from Percolator import Percolator
from ColorDelegator import ColorDelegator
from UndoDelegator import UndoDelegator
from IOBinding import IOBinding
import Bindings
from Tkinter import Toplevel
from MultiStatusBar import MultiStatusBar
help_url = None
def __init__(self, flist=None, filename=None, key=None, root=None):
if EditorWindow.help_url is None:
dochome = os.path.join(sys.prefix, 'Doc', 'index.html')
if sys.platform.count('linux'):
# look for html docs in a couple of standard places
pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
if os.path.isdir('/var/www/html/python/'): # "python2" rpm
dochome = '/var/www/html/python/index.html'
else:
basepath = '/usr/share/doc/' # standard location
dochome = os.path.join(basepath, pyver,
'Doc', 'index.html')
elif sys.platform[:3] == 'win':
chmfile = os.path.join(sys.prefix, 'Doc',
'Python%d%d.chm' % sys.version_info[:2])
if os.path.isfile(chmfile):
dochome = chmfile
elif sys.platform == 'darwin':
dochome = os.path.join(sys.prefix,
'Resources/English.lproj/Documentation/index.html')
dochome = os.path.normpath(dochome)
if os.path.isfile(dochome):
EditorWindow.help_url = dochome
if sys.platform == 'darwin':
# Safari requires real file:-URLs
EditorWindow.help_url = 'file://' + EditorWindow.help_url
else:
EditorWindow.help_url = "http://www.python.org/doc/current"
currentTheme=idleConf.CurrentTheme()
self.flist = flist
root = root or flist.root
self.root = root
self.menubar = Menu(root)
self.top = top = WindowList.ListedToplevel(root, menu=self.menubar)
if flist:
self.tkinter_vars = flist.vars
#self.top.instance_dict makes flist.inversedict avalable to
#configDialog.py so it can access all EditorWindow instaces
self.top.instance_dict=flist.inversedict
else:
self.tkinter_vars = {} # keys: Tkinter event names
# values: Tkinter variable instances
self.recent_files_path=os.path.join(idleConf.GetUserCfgDir(),
'recent-files.lst')
self.vbar = vbar = Scrollbar(top, name='vbar')
self.text_frame = text_frame = Frame(top)
self.width = idleConf.GetOption('main','EditorWindow','width')
self.text = text = Text(text_frame, name='text', padx=5, wrap='none',
foreground=idleConf.GetHighlight(currentTheme,
'normal',fgBg='fg'),
background=idleConf.GetHighlight(currentTheme,
'normal',fgBg='bg'),
highlightcolor=idleConf.GetHighlight(currentTheme,
'hilite',fgBg='fg'),
highlightbackground=idleConf.GetHighlight(currentTheme,
'hilite',fgBg='bg'),
insertbackground=idleConf.GetHighlight(currentTheme,
'cursor',fgBg='fg'),
width=self.width,
height=idleConf.GetOption('main','EditorWindow','height') )
self.top.focused_widget = self.text
self.createmenubar()
self.apply_bindings()
self.top.protocol("WM_DELETE_WINDOW", self.close)
self.top.bind("<<close-window>>", self.close_event)
text.bind("<<cut>>", self.cut)
text.bind("<<copy>>", self.copy)
text.bind("<<paste>>", self.paste)
text.bind("<<center-insert>>", self.center_insert_event)
text.bind("<<help>>", self.help_dialog)
text.bind("<<python-docs>>", self.python_docs)
text.bind("<<about-idle>>", self.about_dialog)
text.bind("<<open-config-dialog>>", self.config_dialog)
text.bind("<<open-module>>", self.open_module)
text.bind("<<do-nothing>>", lambda event: "break")
text.bind("<<select-all>>", self.select_all)
text.bind("<<remove-selection>>", self.remove_selection)
text.bind("<<find>>", self.find_event)
text.bind("<<find-again>>", self.find_again_event)
text.bind("<<find-in-files>>", self.find_in_files_event)
text.bind("<<find-selection>>", self.find_selection_event)
text.bind("<<replace>>", self.replace_event)
text.bind("<<goto-line>>", self.goto_line_event)
text.bind("<3>", self.right_menu_event)
text.bind("<<smart-backspace>>",self.smart_backspace_event)
text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
text.bind("<<smart-indent>>",self.smart_indent_event)
text.bind("<<indent-region>>",self.indent_region_event)
text.bind("<<dedent-region>>",self.dedent_region_event)
text.bind("<<comment-region>>",self.comment_region_event)
text.bind("<<uncomment-region>>",self.uncomment_region_event)
text.bind("<<tabify-region>>",self.tabify_region_event)
text.bind("<<untabify-region>>",self.untabify_region_event)
text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
text.bind("<Left>", self.move_at_edge_if_selection(0))
text.bind("<Right>", self.move_at_edge_if_selection(1))
if flist:
flist.inversedict[self] = key
if key:
flist.dict[key] = self
text.bind("<<open-new-window>>", self.new_callback)
text.bind("<<close-all-windows>>", self.flist.close_all_callback)
text.bind("<<open-class-browser>>", self.open_class_browser)
text.bind("<<open-path-browser>>", self.open_path_browser)
self.set_status_bar()
vbar['command'] = text.yview
vbar.pack(side=RIGHT, fill=Y)
text['yscrollcommand'] = vbar.set
fontWeight='normal'
if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
fontWeight='bold'
text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
idleConf.GetOption('main','EditorWindow','font-size'),
fontWeight))
text_frame.pack(side=LEFT, fill=BOTH, expand=1)
text.pack(side=TOP, fill=BOTH, expand=1)
text.focus_set()
self.per = per = self.Percolator(text)
if self.ispythonsource(filename):
self.color = color = self.ColorDelegator()
per.insertfilter(color)
else:
self.color = None
self.undo = undo = self.UndoDelegator()
per.insertfilter(undo)
text.undo_block_start = undo.undo_block_start
text.undo_block_stop = undo.undo_block_stop
undo.set_saved_change_hook(self.saved_change_hook)
# IOBinding implements file I/O and printing functionality
self.io = io = self.IOBinding(self)
io.set_filename_change_hook(self.filename_change_hook)
# Create the recent files submenu
self.recent_files_menu = Menu(self.menubar)
self.menudict['file'].insert_cascade(3, label='Recent Files',
underline=0,
menu=self.recent_files_menu)
self.update_recent_files_list()
if filename:
if os.path.exists(filename) and not os.path.isdir(filename):
io.loadfile(filename)
else:
io.set_filename(filename)
self.saved_change_hook()
self.load_extensions()
menu = self.menudict.get('windows')
if menu:
end = menu.index("end")
if end is None:
end = -1
if end >= 0:
menu.add_separator()
end = end + 1
self.wmenu_end = end
WindowList.register_callback(self.postwindowsmenu)
# Some abstractions so IDLE extensions are cross-IDE
self.askyesno = tkMessageBox.askyesno
self.askinteger = tkSimpleDialog.askinteger
self.showerror = tkMessageBox.showerror
if self.extensions.has_key('AutoIndent'):
self.extensions['AutoIndent'].set_indentation_params(
self.ispythonsource(filename))
def new_callback(self, event):
dirname, basename = self.io.defaultfilename()
self.flist.new(dirname)
return "break"
def set_status_bar(self):
self.status_bar = self.MultiStatusBar(self.top)
self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
self.status_bar.pack(side=BOTTOM, fill=X)
self.text.bind('<KeyRelease>', self.set_line_and_column)
self.text.bind('<ButtonRelease>', self.set_line_and_column)
self.text.after_idle(self.set_line_and_column)
def set_line_and_column(self, event=None):
line, column = self.text.index(INSERT).split('.')
self.status_bar.set_label('column', 'Col: %s' % column)
self.status_bar.set_label('line', 'Ln: %s' % line)
menu_specs = [
("file", "_File"),
("edit", "_Edit"),
("format", "F_ormat"),
("run", "_Run"),
("options", "_Options"),
("windows", "_Windows"),
("help", "_Help"),
]
def createmenubar(self):
mbar = self.menubar
self.menudict = menudict = {}
for name, label in self.menu_specs:
underline, label = prepstr(label)
menudict[name] = menu = Menu(mbar, name=name)
mbar.add_cascade(label=label, menu=menu, underline=underline)
self.fill_menus()
self.base_helpmenu_length = self.menudict['help'].index(END)
self.reset_help_menu_entries()
def postwindowsmenu(self):
# Only called when Windows menu exists
menu = self.menudict['windows']
end = menu.index("end")
if end is None:
end = -1
if end > self.wmenu_end:
menu.delete(self.wmenu_end+1, end)
WindowList.add_windows_to_menu(menu)
rmenu = None
def right_menu_event(self, event):
self.text.tag_remove("sel", "1.0", "end")
self.text.mark_set("insert", "@%d,%d" % (event.x, event.y))
if not self.rmenu:
self.make_rmenu()
rmenu = self.rmenu
self.event = event
iswin = sys.platform[:3] == 'win'
if iswin:
self.text.config(cursor="arrow")
rmenu.tk_popup(event.x_root, event.y_root)
if iswin:
self.text.config(cursor="ibeam")
rmenu_specs = [
# ("Label", "<<virtual-event>>"), ...
("Close", "<<close-window>>"), # Example
]
def make_rmenu(self):
rmenu = Menu(self.text, tearoff=0)
for label, eventname in self.rmenu_specs:
def command(text=self.text, eventname=eventname):
text.event_generate(eventname)
rmenu.add_command(label=label, command=command)
self.rmenu = rmenu
def about_dialog(self, event=None):
aboutDialog.AboutDialog(self.top,'About IDLE')
def config_dialog(self, event=None):
configDialog.ConfigDialog(self.top,'Settings')
def help_dialog(self, event=None):
fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
textView.TextViewer(self.top,'Help',fn)
def python_docs(self, event=None):
if sys.platform[:3] == 'win':
os.startfile(self.help_url)
else:
webbrowser.open(self.help_url)
return "break"
def cut(self,event):
self.text.event_generate("<<Cut>>")
return "break"
def copy(self,event):
self.text.event_generate("<<Copy>>")
return "break"
def paste(self,event):
self.text.event_generate("<<Paste>>")
return "break"
def select_all(self, event=None):
self.text.tag_add("sel", "1.0", "end-1c")
self.text.mark_set("insert", "1.0")
self.text.see("insert")
return "break"
def remove_selection(self, event=None):
self.text.tag_remove("sel", "1.0", "end")
self.text.see("insert")
def move_at_edge_if_selection(self, edge_index):
"""Cursor move begins at start or end of selection
When a left/right cursor key is pressed create and return to Tkinter a
function which causes a cursor move from the associated edge of the
selection.
"""
self_text_index = self.text.index
self_text_mark_set = self.text.mark_set
edges_table = ("sel.first+1c", "sel.last-1c")
def move_at_edge(event):
if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
try:
self_text_index("sel.first")
self_text_mark_set("insert", edges_table[edge_index])
except TclError:
pass
return move_at_edge
def find_event(self, event):
SearchDialog.find(self.text)
return "break"
def find_again_event(self, event):
SearchDialog.find_again(self.text)
return "break"
def find_selection_event(self, event):
SearchDialog.find_selection(self.text)
return "break"
def find_in_files_event(self, event):
GrepDialog.grep(self.text, self.io, self.flist)
return "break"
def replace_event(self, event):
ReplaceDialog.replace(self.text)
return "break"
def goto_line_event(self, event):
text = self.text
lineno = tkSimpleDialog.askinteger("Goto",
"Go to line number:",parent=text)
if lineno is None:
return "break"
if lineno <= 0:
text.bell()
return "break"
text.mark_set("insert", "%d.0" % lineno)
text.see("insert")
def open_module(self, event=None):
# XXX Shouldn't this be in IOBinding or in FileList?
try:
name = self.text.get("sel.first", "sel.last")
except TclError:
name = ""
else:
name = name.strip()
name = tkSimpleDialog.askstring("Module",
"Enter the name of a Python module\n"
"to search on sys.path and open:",
parent=self.text, initialvalue=name)
if name:
name = name.strip()
if not name:
return
# XXX Ought to insert current file's directory in front of path
try:
(f, file, (suffix, mode, type)) = _find_module(name)
except (NameError, ImportError), msg:
tkMessageBox.showerror("Import error", str(msg), parent=self.text)
return
if type != imp.PY_SOURCE:
tkMessageBox.showerror("Unsupported type",
"%s is not a source module" % name, parent=self.text)
return
if f:
f.close()
if self.flist:
self.flist.open(file)
else:
self.io.loadfile(file)
def open_class_browser(self, event=None):
filename = self.io.filename
if not filename:
tkMessageBox.showerror(
"No filename",
"This buffer has no associated filename",
master=self.text)
self.text.focus_set()
return None
head, tail = os.path.split(filename)
base, ext = os.path.splitext(tail)
import ClassBrowser
ClassBrowser.ClassBrowser(self.flist, base, [head])
def open_path_browser(self, event=None):
import PathBrowser
PathBrowser.PathBrowser(self.flist)
def gotoline(self, lineno):
if lineno is not None and lineno > 0:
self.text.mark_set("insert", "%d.0" % lineno)
self.text.tag_remove("sel", "1.0", "end")
self.text.tag_add("sel", "insert", "insert +1l")
self.center()
def ispythonsource(self, filename):
if not filename:
return True
base, ext = os.path.splitext(os.path.basename(filename))
if os.path.normcase(ext) in (".py", ".pyw"):
return True
try:
f = open(filename)
line = f.readline()
f.close()
except IOError:
return False
return line.startswith('#!') and line.find('python') >= 0
def close_hook(self):
if self.flist:
self.flist.close_edit(self)
def set_close_hook(self, close_hook):
self.close_hook = close_hook
def filename_change_hook(self):
if self.flist:
self.flist.filename_changed_edit(self)
self.saved_change_hook()
self.top.update_windowlist_registry(self)
if self.ispythonsource(self.io.filename):
self.addcolorizer()
else:
self.rmcolorizer()
def addcolorizer(self):
if self.color:
return
self.per.removefilter(self.undo)
self.color = self.ColorDelegator()
self.per.insertfilter(self.color)
self.per.insertfilter(self.undo)
def rmcolorizer(self):
if not self.color:
return
self.per.removefilter(self.undo)
self.per.removefilter(self.color)
self.color = None
self.per.insertfilter(self.undo)
def ResetColorizer(self):
"Update the colour theme if it is changed"
# Called from configDialog.py
if self.color:
self.color = self.ColorDelegator()
self.per.insertfilter(self.color)
theme = idleConf.GetOption('main','Theme','name')
self.text.config(idleConf.GetHighlight(theme, "normal"))
def ResetFont(self):
"Update the text widgets' font if it is changed"
# Called from configDialog.py
fontWeight='normal'
if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
fontWeight='bold'
self.text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
idleConf.GetOption('main','EditorWindow','font-size'),
fontWeight))
def ResetKeybindings(self):
"Update the keybindings if they are changed"
# Called from configDialog.py
self.Bindings.default_keydefs=idleConf.GetCurrentKeySet()
keydefs = self.Bindings.default_keydefs
for event, keylist in keydefs.items():
self.text.event_delete(event)
self.apply_bindings()
#update menu accelerators
menuEventDict={}
for menu in self.Bindings.menudefs:
menuEventDict[menu[0]]={}
for item in menu[1]:
if item:
menuEventDict[menu[0]][prepstr(item[0])[1]]=item[1]
for menubarItem in self.menudict.keys():
menu=self.menudict[menubarItem]
end=menu.index(END)+1
for index in range(0,end):
if menu.type(index)=='command':
accel=menu.entrycget(index,'accelerator')
if accel:
itemName=menu.entrycget(index,'label')
event=''
if menuEventDict.has_key(menubarItem):
if menuEventDict[menubarItem].has_key(itemName):
event=menuEventDict[menubarItem][itemName]
if event:
accel=get_accelerator(keydefs, event)
menu.entryconfig(index,accelerator=accel)
def reset_help_menu_entries(self):
"Update the additional help entries on the Help menu"
help_list = idleConf.GetAllExtraHelpSourcesList()
helpmenu = self.menudict['help']
# first delete the extra help entries, if any
helpmenu_length = helpmenu.index(END)
if helpmenu_length > self.base_helpmenu_length:
helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
# then rebuild them
if help_list:
helpmenu.add_separator()
for entry in help_list:
cmd = self.__extra_help_callback(entry[1])
helpmenu.add_command(label=entry[0], command=cmd)
# and update the menu dictionary
self.menudict['help'] = helpmenu
def __extra_help_callback(self, helpfile):
"Create a callback with the helpfile value frozen at definition time"
def display_extra_help(helpfile=helpfile):
if not (helpfile.startswith('www') or helpfile.startswith('http')):
url = os.path.normpath(helpfile)
if sys.platform[:3] == 'win':
os.startfile(helpfile)
else:
webbrowser.open(helpfile)
return display_extra_help
def update_recent_files_list(self, new_file=None):
"Load and update the recent files list and menus"
rf_list = []
if os.path.exists(self.recent_files_path):
rf_list_file = open(self.recent_files_path,'r')
try:
rf_list = rf_list_file.readlines()
finally:
rf_list_file.close()
if new_file:
new_file = os.path.abspath(new_file) + '\n'
if new_file in rf_list:
rf_list.remove(new_file) # move to top
rf_list.insert(0, new_file)
# clean and save the recent files list
bad_paths = []
for path in rf_list:
if '\0' in path or not os.path.exists(path[0:-1]):
bad_paths.append(path)
rf_list = [path for path in rf_list if path not in bad_paths]
ulchars = "1234567890ABCDEFGHIJK"
rf_list = rf_list[0:len(ulchars)]
rf_file = open(self.recent_files_path, 'w')
try:
rf_file.writelines(rf_list)
finally:
rf_file.close()
# for each edit window instance, construct the recent files menu
for instance in self.top.instance_dict.keys():
menu = instance.recent_files_menu
menu.delete(1, END) # clear, and rebuild:
for i, file in zip(count(), rf_list):
file_name = file[0:-1] # zap \n
callback = instance.__recent_file_callback(file_name)
menu.add_command(label=ulchars[i] + " " + file_name,
command=callback,
underline=0)
def __recent_file_callback(self, file_name):
def open_recent_file(fn_closure=file_name):
self.io.open(editFile=fn_closure)
return open_recent_file
def saved_change_hook(self):
short = self.short_title()
long = self.long_title()
if short and long:
title = short + " - " + long
elif short:
title = short
elif long:
title = long
else:
title = "Untitled"
icon = short or long or title
if not self.get_saved():
title = "*%s*" % title
icon = "*%s" % icon
self.top.wm_title(title)
self.top.wm_iconname(icon)
def get_saved(self):
return self.undo.get_saved()
def set_saved(self, flag):
self.undo.set_saved(flag)
def reset_undo(self):
self.undo.reset_undo()
def short_title(self):
filename = self.io.filename
if filename:
filename = os.path.basename(filename)
return filename
def long_title(self):
return self.io.filename or ""
def center_insert_event(self, event):
self.center()
def center(self, mark="insert"):
text = self.text
top, bot = self.getwindowlines()
lineno = self.getlineno(mark)
height = bot - top
newtop = max(1, lineno - height//2)
text.yview(float(newtop))
def getwindowlines(self):
text = self.text
top = self.getlineno("@0,0")
bot = self.getlineno("@0,65535")
if top == bot and text.winfo_height() == 1:
# Geometry manager hasn't run yet
height = int(text['height'])
bot = top + height - 1
return top, bot
def getlineno(self, mark="insert"):
text = self.text
return int(float(text.index(mark)))
def get_geometry(self):
"Return (width, height, x, y)"
geom = self.top.wm_geometry()
m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
tuple = (map(int, m.groups()))
return tuple
def close_event(self, event):
self.close()
def maybesave(self):
if self.io:
if not self.get_saved():
if self.top.state()!='normal':
self.top.deiconify()
self.top.lower()
self.top.lift()
return self.io.maybesave()
def close(self):
reply = self.maybesave()
if reply != "cancel":
self._close()
return reply
def _close(self):
if self.io.filename:
self.update_recent_files_list(new_file=self.io.filename)
WindowList.unregister_callback(self.postwindowsmenu)
if self.close_hook:
self.close_hook()
self.flist = None
colorizing = 0
self.unload_extensions()
self.io.close(); self.io = None
self.undo = None # XXX
if self.color:
colorizing = self.color.colorizing
doh = colorizing and self.top
self.color.close(doh) # Cancel colorization
self.text = None
self.tkinter_vars = None
self.per.close(); self.per = None
if not colorizing:
self.top.destroy()
def load_extensions(self):
self.extensions = {}
self.load_standard_extensions()
def unload_extensions(self):
for ins in self.extensions.values():
if hasattr(ins, "close"):
ins.close()
self.extensions = {}
def load_standard_extensions(self):
for name in self.get_standard_extension_names():
try:
self.load_extension(name)
except:
print "Failed to load extension", repr(name)
import traceback
traceback.print_exc()
def get_standard_extension_names(self):
return idleConf.GetExtensions(editor_only=True)
def load_extension(self, name):
try:
mod = __import__(name, globals(), locals(), [])
except ImportError:
print "\nFailed to import extension: ", name
return None
cls = getattr(mod, name)
keydefs = idleConf.GetExtensionBindings(name)
if hasattr(cls, "menudefs"):
self.fill_menus(cls.menudefs, keydefs)
ins = cls(self)
self.extensions[name] = ins
if keydefs:
self.apply_bindings(keydefs)
for vevent in keydefs.keys():
methodname = vevent.replace("-", "_")
while methodname[:1] == '<':
methodname = methodname[1:]
while methodname[-1:] == '>':
methodname = methodname[:-1]
methodname = methodname + "_event"
if hasattr(ins, methodname):
self.text.bind(vevent, getattr(ins, methodname))
return ins
def apply_bindings(self, keydefs=None):
if keydefs is None:
keydefs = self.Bindings.default_keydefs
text = self.text
text.keydefs = keydefs
for event, keylist in keydefs.items():
if keylist:
text.event_add(event, *keylist)
def fill_menus(self, menudefs=None, keydefs=None):
"""Add appropriate entries to the menus and submenus
Menus that are absent or None in self.menudict are ignored.
"""
if menudefs is None:
menudefs = self.Bindings.menudefs
if keydefs is None:
keydefs = self.Bindings.default_keydefs
menudict = self.menudict
text = self.text
for mname, entrylist in menudefs:
menu = menudict.get(mname)
if not menu:
continue
for entry in entrylist:
if not entry:
menu.add_separator()
else:
label, eventname = entry
checkbutton = (label[:1] == '!')
if checkbutton:
label = label[1:]
underline, label = prepstr(label)
accelerator = get_accelerator(keydefs, eventname)
def command(text=text, eventname=eventname):
text.event_generate(eventname)
if checkbutton:
var = self.get_var_obj(eventname, BooleanVar)
menu.add_checkbutton(label=label, underline=underline,
command=command, accelerator=accelerator,
variable=var)
else:
menu.add_command(label=label, underline=underline,
command=command,
accelerator=accelerator)
def getvar(self, name):
var = self.get_var_obj(name)
if var:
value = var.get()
return value
else:
raise NameError, name
def setvar(self, name, value, vartype=None):
var = self.get_var_obj(name, vartype)
if var:
var.set(value)
else:
raise NameError, name
def get_var_obj(self, name, vartype=None):
var = self.tkinter_vars.get(name)
if not var and vartype:
# create a Tkinter variable object with self.text as master:
self.tkinter_vars[name] = var = vartype(self.text)
return var
# Tk implementations of "virtual text methods" -- each platform
# reusing IDLE's support code needs to define these for its GUI's
# flavor of widget.
# Is character at text_index in a Python string? Return 0 for
# "guaranteed no", true for anything else. This info is expensive
# to compute ab initio, but is probably already known by the
# platform's colorizer.
def is_char_in_string(self, text_index):
if self.color:
# Return true iff colorizer hasn't (re)gotten this far
# yet, or the character is tagged as being in a string
return self.text.tag_prevrange("TODO", text_index) or \
"STRING" in self.text.tag_names(text_index)
else:
# The colorizer is missing: assume the worst
return 1
# If a selection is defined in the text widget, return (start,
# end) as Tkinter text indices, otherwise return (None, None)
def get_selection_indices(self):
try:
first = self.text.index("sel.first")
last = self.text.index("sel.last")
return first, last
except TclError:
return None, None
# Return the text widget's current view of what a tab stop means
# (equivalent width in spaces).
def get_tabwidth(self):
current = self.text['tabs'] or TK_TABWIDTH_DEFAULT
return int(current)
# Set the text widget's current view of what a tab stop means.
def set_tabwidth(self, newtabwidth):
text = self.text
if self.get_tabwidth() != newtabwidth:
pixels = text.tk.call("font", "measure", text["font"],
"-displayof", text.master,
"n" * newtabwidth)
text.configure(tabs=pixels)
### begin autoindent code ###
# usetabs true -> literal tab characters are used by indent and
# dedent cmds, possibly mixed with spaces if
# indentwidth is not a multiple of tabwidth
# false -> tab characters are converted to spaces by indent
# and dedent cmds, and ditto TAB keystrokes
# indentwidth is the number of characters per logical indent level.
# tabwidth is the display width of a literal tab character.
# CAUTION: telling Tk to use anything other than its default
# tab setting causes it to use an entirely different tabbing algorithm,
# treating tab stops as fixed distances from the left margin.
# Nobody expects this, so for now tabwidth should never be changed.
usetabs = 0
indentwidth = 4
tabwidth = 8 # for IDLE use, must remain 8 until Tk is fixed
# If context_use_ps1 is true, parsing searches back for a ps1 line;
# else searches for a popular (if, def, ...) Python stmt.
context_use_ps1 = 0
# When searching backwards for a reliable place to begin parsing,
# first start num_context_lines[0] lines back, then
# num_context_lines[1] lines back if that didn't work, and so on.
# The last value should be huge (larger than the # of lines in a
# conceivable file).
# Making the initial values larger slows things down more often.
num_context_lines = 50, 500, 5000000
def config(self, **options):
for key, value in options.items():
if key == 'usetabs':
self.usetabs = value
elif key == 'indentwidth':
self.indentwidth = value
elif key == 'tabwidth':
self.tabwidth = value
elif key == 'context_use_ps1':
self.context_use_ps1 = value
else:
raise KeyError, "bad option name: %r" % (key,)
# If ispythonsource and guess are true, guess a good value for
# indentwidth based on file content (if possible), and if
# indentwidth != tabwidth set usetabs false.
# In any case, adjust the Text widget's view of what a tab
# character means.
def set_indentation_params(self, ispythonsource, guess=1):
if guess and ispythonsource:
i = self.guess_indent()
if 2 <= i <= 8:
self.indentwidth = i
if self.indentwidth != self.tabwidth:
self.usetabs = 0
self.set_tabwidth(self.tabwidth)
def smart_backspace_event(self, event):
text = self.text
first, last = self.get_selection_indices()
if first and last:
text.delete(first, last)
text.mark_set("insert", first)
return "break"
# Delete whitespace left, until hitting a real char or closest
# preceding virtual tab stop.
chars = text.get("insert linestart", "insert")
if chars == '':
if text.compare("insert", ">", "1.0"):
# easy: delete preceding newline
text.delete("insert-1c")
else:
text.bell() # at start of buffer
return "break"
if chars[-1] not in " \t":
# easy: delete preceding real char
text.delete("insert-1c")
return "break"
# Ick. It may require *inserting* spaces if we back up over a
# tab character! This is written to be clear, not fast.
tabwidth = self.tabwidth
have = len(chars.expandtabs(tabwidth))
assert have > 0
want = ((have - 1) // self.indentwidth) * self.indentwidth
# Debug prompt is multilined....
last_line_of_prompt = sys.ps1.split('\n')[-1]
ncharsdeleted = 0
while 1:
if chars == last_line_of_prompt:
break
chars = chars[:-1]
ncharsdeleted = ncharsdeleted + 1
have = len(chars.expandtabs(tabwidth))
if have <= want or chars[-1] not in " \t":
break
text.undo_block_start()
text.delete("insert-%dc" % ncharsdeleted, "insert")
if have < want:
text.insert("insert", ' ' * (want - have))
text.undo_block_stop()
return "break"
def smart_indent_event(self, event):
# if intraline selection:
# delete it
# elif multiline selection:
# do indent-region & return
# indent one level
text = self.text
first, last = self.get_selection_indices()
text.undo_block_start()
try:
if first and last:
if index2line(first) != index2line(last):
return self.indent_region_event(event)
text.delete(first, last)
text.mark_set("insert", first)
prefix = text.get("insert linestart", "insert")
raw, effective = classifyws(prefix, self.tabwidth)
if raw == len(prefix):
# only whitespace to the left
self.reindent_to(effective + self.indentwidth)
else:
if self.usetabs:
pad = '\t'
else:
effective = len(prefix.expandtabs(self.tabwidth))
n = self.indentwidth
pad = ' ' * (n - effective % n)
text.insert("insert", pad)
text.see("insert")
return "break"
finally:
text.undo_block_stop()
def newline_and_indent_event(self, event):
text = self.text
first, last = self.get_selection_indices()
text.undo_block_start()
try:
if first and last:
text.delete(first, last)
text.mark_set("insert", first)
line = text.get("insert linestart", "insert")
i, n = 0, len(line)
while i < n and line[i] in " \t":
i = i+1
if i == n:
# the cursor is in or at leading indentation in a continuation
# line; just inject an empty line at the start
text.insert("insert linestart", '\n')
return "break"
indent = line[:i]
# strip whitespace before insert point unless it's in the prompt
i = 0
last_line_of_prompt = sys.ps1.split('\n')[-1]
while line and line[-1] in " \t" and line != last_line_of_prompt:
line = line[:-1]
i = i+1
if i:
text.delete("insert - %d chars" % i, "insert")
# strip whitespace after insert point
while text.get("insert") in " \t":
text.delete("insert")
# start new line
text.insert("insert", '\n')
# adjust indentation for continuations and block
# open/close first need to find the last stmt
lno = index2line(text.index('insert'))
y = PyParse.Parser(self.indentwidth, self.tabwidth)
for context in self.num_context_lines:
startat = max(lno - context, 1)
startatindex = repr(startat) + ".0"
rawtext = text.get(startatindex, "insert")
y.set_str(rawtext)
bod = y.find_good_parse_start(
self.context_use_ps1,
self._build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
y.set_lo(bod or 0)
c = y.get_continuation_type()
if c != PyParse.C_NONE:
# The current stmt hasn't ended yet.
if c == PyParse.C_STRING:
# inside a string; just mimic the current indent
text.insert("insert", indent)
elif c == PyParse.C_BRACKET:
# line up with the first (if any) element of the
# last open bracket structure; else indent one
# level beyond the indent of the line with the
# last open bracket
self.reindent_to(y.compute_bracket_indent())
elif c == PyParse.C_BACKSLASH:
# if more than one line in this stmt already, just
# mimic the current indent; else if initial line
# has a start on an assignment stmt, indent to
# beyond leftmost =; else to beyond first chunk of
# non-whitespace on initial line
if y.get_num_lines_in_stmt() > 1:
text.insert("insert", indent)
else:
self.reindent_to(y.compute_backslash_indent())
else:
assert 0, "bogus continuation type %r" % (c,)
return "break"
# This line starts a brand new stmt; indent relative to
# indentation of initial line of closest preceding
# interesting stmt.
indent = y.get_base_indent_string()
text.insert("insert", indent)
if y.is_block_opener():
self.smart_indent_event(event)
elif indent and y.is_block_closer():
self.smart_backspace_event(event)
return "break"
finally:
text.see("insert")
text.undo_block_stop()
# Our editwin provides a is_char_in_string function that works
# with a Tk text index, but PyParse only knows about offsets into
# a string. This builds a function for PyParse that accepts an
# offset.
def _build_char_in_string_func(self, startindex):
def inner(offset, _startindex=startindex,
_icis=self.is_char_in_string):
return _icis(_startindex + "+%dc" % offset)
return inner
def indent_region_event(self, event):
head, tail, chars, lines = self.get_region()
for pos in range(len(lines)):
line = lines[pos]
if line:
raw, effective = classifyws(line, self.tabwidth)
effective = effective + self.indentwidth
lines[pos] = self._make_blanks(effective) + line[raw:]
self.set_region(head, tail, chars, lines)
return "break"
def dedent_region_event(self, event):
head, tail, chars, lines = self.get_region()
for pos in range(len(lines)):
line = lines[pos]
if line:
raw, effective = classifyws(line, self.tabwidth)
effective = max(effective - self.indentwidth, 0)
lines[pos] = self._make_blanks(effective) + line[raw:]
self.set_region(head, tail, chars, lines)
return "break"
def comment_region_event(self, event):
head, tail, chars, lines = self.get_region()
for pos in range(len(lines) - 1):
line = lines[pos]
lines[pos] = '##' + line
self.set_region(head, tail, chars, lines)
def uncomment_region_event(self, event):
head, tail, chars, lines = self.get_region()
for pos in range(len(lines)):
line = lines[pos]
if not line:
continue
if line[:2] == '##':
line = line[2:]
elif line[:1] == '#':
line = line[1:]
lines[pos] = line
self.set_region(head, tail, chars, lines)
def tabify_region_event(self, event):
head, tail, chars, lines = self.get_region()
tabwidth = self._asktabwidth()
for pos in range(len(lines)):
line = lines[pos]
if line:
raw, effective = classifyws(line, tabwidth)
ntabs, nspaces = divmod(effective, tabwidth)
lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:]
self.set_region(head, tail, chars, lines)
def untabify_region_event(self, event):
head, tail, chars, lines = self.get_region()
tabwidth = self._asktabwidth()
for pos in range(len(lines)):
lines[pos] = lines[pos].expandtabs(tabwidth)
self.set_region(head, tail, chars, lines)
def toggle_tabs_event(self, event):
if self.askyesno(
"Toggle tabs",
"Turn tabs " + ("on", "off")[self.usetabs] + "?",
parent=self.text):
self.usetabs = not self.usetabs
return "break"
# XXX this isn't bound to anything -- see class tabwidth comments
def change_tabwidth_event(self, event):
new = self._asktabwidth()
if new != self.tabwidth:
self.tabwidth = new
self.set_indentation_params(0, guess=0)
return "break"
def change_indentwidth_event(self, event):
new = self.askinteger(
"Indent width",
"New indent width (2-16)",
parent=self.text,
initialvalue=self.indentwidth,
minvalue=2,
maxvalue=16)
if new and new != self.indentwidth:
self.indentwidth = new
return "break"
def get_region(self):
text = self.text
first, last = self.get_selection_indices()
if first and last:
head = text.index(first + " linestart")
tail = text.index(last + "-1c lineend +1c")
else:
head = text.index("insert linestart")
tail = text.index("insert lineend +1c")
chars = text.get(head, tail)
lines = chars.split("\n")
return head, tail, chars, lines
def set_region(self, head, tail, chars, lines):
text = self.text
newchars = "\n".join(lines)
if newchars == chars:
text.bell()
return
text.tag_remove("sel", "1.0", "end")
text.mark_set("insert", head)
text.undo_block_start()
text.delete(head, tail)
text.insert(head, newchars)
text.undo_block_stop()
text.tag_add("sel", head, "insert")
# Make string that displays as n leading blanks.
def _make_blanks(self, n):
if self.usetabs:
ntabs, nspaces = divmod(n, self.tabwidth)
return '\t' * ntabs + ' ' * nspaces
else:
return ' ' * n
# Delete from beginning of line to insert point, then reinsert
# column logical (meaning use tabs if appropriate) spaces.
def reindent_to(self, column):
text = self.text
text.undo_block_start()
if text.compare("insert linestart", "!=", "insert"):
text.delete("insert linestart", "insert")
if column:
text.insert("insert", self._make_blanks(column))
text.undo_block_stop()
def _asktabwidth(self):
return self.askinteger(
"Tab width",
"Spaces per tab? (2-16)",
parent=self.text,
initialvalue=self.indentwidth,
minvalue=2,
maxvalue=16) or self.tabwidth
# Guess indentwidth from text content.
# Return guessed indentwidth. This should not be believed unless
# it's in a reasonable range (e.g., it will be 0 if no indented
# blocks are found).
def guess_indent(self):
opener, indented = IndentSearcher(self.text, self.tabwidth).run()
if opener and indented:
raw, indentsmall = classifyws(opener, self.tabwidth)
raw, indentlarge = classifyws(indented, self.tabwidth)
else:
indentsmall = indentlarge = 0
return indentlarge - indentsmall
# "line.col" -> line, as an int
def index2line(index):
return int(float(index))
# Look at the leading whitespace in s.
# Return pair (# of leading ws characters,
# effective # of leading blanks after expanding
# tabs to width tabwidth)
def classifyws(s, tabwidth):
raw = effective = 0
for ch in s:
if ch == ' ':
raw = raw + 1
effective = effective + 1
elif ch == '\t':
raw = raw + 1
effective = (effective // tabwidth + 1) * tabwidth
else:
break
return raw, effective
import tokenize
_tokenize = tokenize
del tokenize
class IndentSearcher:
# .run() chews over the Text widget, looking for a block opener
# and the stmt following it. Returns a pair,
# (line containing block opener, line containing stmt)
# Either or both may be None.
def __init__(self, text, tabwidth):
self.text = text
self.tabwidth = tabwidth
self.i = self.finished = 0
self.blkopenline = self.indentedline = None
def readline(self):
if self.finished:
return ""
i = self.i = self.i + 1
mark = repr(i) + ".0"
if self.text.compare(mark, ">=", "end"):
return ""
return self.text.get(mark, mark + " lineend+1c")
def tokeneater(self, type, token, start, end, line,
INDENT=_tokenize.INDENT,
NAME=_tokenize.NAME,
OPENERS=('class', 'def', 'for', 'if', 'try', 'while')):
if self.finished:
pass
elif type == NAME and token in OPENERS:
self.blkopenline = line
elif type == INDENT and self.blkopenline:
self.indentedline = line
self.finished = 1
def run(self):
save_tabsize = _tokenize.tabsize
_tokenize.tabsize = self.tabwidth
try:
try:
_tokenize.tokenize(self.readline, self.tokeneater)
except _tokenize.TokenError:
# since we cut off the tokenizer early, we can trigger
# spurious errors
pass
finally:
_tokenize.tabsize = save_tabsize
return self.blkopenline, self.indentedline
### end autoindent code ###
def prepstr(s):
# Helper to extract the underscore from a string, e.g.
# prepstr("Co_py") returns (2, "Copy").
i = s.find('_')
if i >= 0:
s = s[:i] + s[i+1:]
return i, s
keynames = {
'bracketleft': '[',
'bracketright': ']',
'slash': '/',
}
def get_accelerator(keydefs, eventname):
keylist = keydefs.get(eventname)
if not keylist:
return ""
s = keylist[0]
s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s)
s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s)
s = re.sub("Key-", "", s)
s = re.sub("Cancel","Ctrl-Break",s) # dscherer@cmu.edu
s = re.sub("Control-", "Ctrl-", s)
s = re.sub("-", "+", s)
s = re.sub("><", " ", s)
s = re.sub("<", "", s)
s = re.sub(">", "", s)
return s
def fixwordbreaks(root):
# Make sure that Tk's double-click and next/previous word
# operations use our definition of a word (i.e. an identifier)
tk = root.tk
tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')
def test():
root = Tk()
fixwordbreaks(root)
root.withdraw()
if sys.argv[1:]:
filename = sys.argv[1]
else:
filename = None
edit = EditorWindow(root=root, filename=filename)
edit.set_close_hook(root.quit)
root.mainloop()
root.destroy()
if __name__ == '__main__':
test()