Repository navigation
Expand file tree
/
Copy pathiomenu.py
More file actions
468 lines (420 loc) · 17 KB
/
Copy pathiomenu.py
File metadata and controls
468 lines (420 loc) · 17 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
import io
import os
import shlex
import sys
import tempfile
import tokenize
from tkinter import filedialog
from tkinter import messagebox
from tkinter.simpledialog import askstring # loadfile encoding.
from idlelib.config import idleConf
from idlelib.util import py_extensions
py_extensions = ' '.join("*"+ext for ext in py_extensions)
encoding = 'utf-8'
errors = 'surrogatepass' if sys.platform == 'win32' else 'surrogateescape'
class IOBinding:
# One instance per editor Window so methods know which to save, close.
# Open returns focus to self.editwin if aborted.
# EditorWindow.open_module, others, belong here.
def __init__(self, editwin):
self.editwin = editwin
self.text = editwin.text
self.__id_open = self.text.bind("<<open-window-from-file>>", self.open)
self.__id_save = self.text.bind("<<save-window>>", self.save)
self.__id_saveas = self.text.bind("<<save-window-as-file>>",
self.save_as)
self.__id_savecopy = self.text.bind("<<save-copy-of-window-as-file>>",
self.save_a_copy)
self.fileencoding = 'utf-8'
self.__id_print = self.text.bind("<<print-window>>", self.print_window)
def close(self):
# Undo command bindings
self.text.unbind("<<open-window-from-file>>", self.__id_open)
self.text.unbind("<<save-window>>", self.__id_save)
self.text.unbind("<<save-window-as-file>>",self.__id_saveas)
self.text.unbind("<<save-copy-of-window-as-file>>", self.__id_savecopy)
self.text.unbind("<<print-window>>", self.__id_print)
# Break cycles
self.editwin = None
self.text = None
self.filename_change_hook = None
def get_saved(self):
return self.editwin.get_saved()
def set_saved(self, flag):
self.editwin.set_saved(flag)
def reset_undo(self):
self.editwin.reset_undo()
filename_change_hook = None
def set_filename_change_hook(self, hook):
self.filename_change_hook = hook
filename = None
file_timestamp = None
dirname = None
def set_filename(self, filename):
if filename and os.path.isdir(filename):
self.filename = None
self.dirname = filename
else:
self.filename = filename
self.dirname = None
self.set_saved(1)
if self.filename_change_hook:
self.filename_change_hook()
def open(self, event=None, editFile=None):
flist = self.editwin.flist
# Save in case parent window is closed (ie, during askopenfile()).
if flist:
if not editFile:
filename = self.askopenfile()
else:
filename=editFile
if filename:
# If editFile is valid and already open, flist.open will
# shift focus to its existing window.
# If the current window exists and is a fresh unnamed,
# unmodified editor window (not an interpreter shell),
# pass self.loadfile to flist.open so it will load the file
# in the current window (if the file is not already open)
# instead of a new window.
if (self.editwin and
not getattr(self.editwin, 'interp', None) and
not self.filename and
self.get_saved()):
flist.open(filename, self.loadfile)
else:
flist.open(filename)
else:
if self.text:
self.text.focus_set()
return "break"
# Code for use outside IDLE:
if self.get_saved():
reply = self.maybesave()
if reply == "cancel":
self.text.focus_set()
return "break"
if not editFile:
filename = self.askopenfile()
else:
filename=editFile
if filename:
self.loadfile(filename)
else:
self.text.focus_set()
return "break"
eol_convention = os.linesep # default
def loadfile(self, filename):
try:
try:
with tokenize.open(filename) as f:
chars = f.read()
fileencoding = f.encoding
eol_convention = f.newlines
file_timestamp = self.getmtime(filename)
converted = False
except (UnicodeDecodeError, SyntaxError):
# Wait for the editor window to appear
self.editwin.text.update()
enc = askstring(
"Specify file encoding",
"The file's encoding is invalid for Python 3.x.\n"
"IDLE will convert it to UTF-8.\n"
"What is the current encoding of the file?",
initialvalue='utf-8',
parent=self.editwin.text)
with open(filename, encoding=enc) as f:
chars = f.read()
fileencoding = f.encoding
eol_convention = f.newlines
file_timestamp = self.getmtime(filename)
converted = True
except OSError as err:
messagebox.showerror("I/O Error", str(err), parent=self.text)
return False
except UnicodeDecodeError:
messagebox.showerror("Decoding Error",
"File %s\nFailed to Decode" % filename,
parent=self.text)
return False
if not isinstance(eol_convention, str):
# If the file does not contain line separators, it is None.
# If the file contains mixed line separators, it is a tuple.
if eol_convention is not None:
messagebox.showwarning("Mixed Newlines",
"Mixed newlines detected.\n"
"The file will be changed on save.",
parent=self.text)
converted = True
eol_convention = os.linesep # default
self.text.delete("1.0", "end")
self.set_filename(None)
self.fileencoding = fileencoding
self.eol_convention = eol_convention
self.text.insert("1.0", chars)
self.reset_undo()
self.set_filename(filename)
self.file_timestamp = file_timestamp
if converted:
# We need to save the conversion results first
# before being able to execute the code
self.set_saved(False)
self.text.mark_set("insert", "1.0")
self.text.yview("insert")
self.updaterecentfileslist(filename)
return True
def maybesave(self):
"""Return 'yes', 'no', 'cancel' as appropriate.
Tkinter messagebox.askyesnocancel converts these tk responses
to True, False, None. Convert back, as now expected elsewhere.
"""
if self.get_saved():
return "yes"
message = ("Do you want to save "
f"{self.filename or 'this untitled document'}"
" before closing?")
confirm = messagebox.askyesnocancel(
title="Save On Close",
message=message,
default=messagebox.YES,
parent=self.text)
if confirm:
self.save(None)
reply = "yes" if self.get_saved() else "cancel"
else: reply = "cancel" if confirm is None else "no"
self.text.focus_set()
return reply
def save(self, event):
if not self.filename:
self.save_as(event)
else:
# Check the time of most recent content modification so the
# user doesn't accidentally overwrite a newer version of the file.
try:
file_timestamp = self.getmtime(self.filename)
except OSError:
pass
else:
if self.file_timestamp != file_timestamp:
confirm = messagebox.askokcancel(
title="File has changed",
message=(
"The file has changed on disk since reading it!\n\n"
"Do you really want to overwrite it?"),
default=messagebox.CANCEL,
parent=self.text)
if not confirm:
return "break"
if self.writefile(self.filename):
self.file_timestamp = self.getmtime(self.filename)
self.set_saved(True)
try:
self.editwin.store_file_breaks()
except AttributeError: # may be a PyShell
pass
self.text.focus_set()
return "break"
def save_as(self, event):
filename = self.asksavefile()
if filename:
if self.writefile(filename):
self.file_timestamp = self.getmtime(filename)
self.set_filename(filename)
self.set_saved(1)
try:
self.editwin.store_file_breaks()
except AttributeError:
pass
self.text.focus_set()
self.updaterecentfileslist(filename)
return "break"
def save_a_copy(self, event):
filename = self.asksavefile()
if filename:
self.writefile(filename)
self.text.focus_set()
self.updaterecentfileslist(filename)
return "break"
def writefile(self, filename):
text = self.fixnewlines()
chars = self.encode(text)
try:
with open(filename, "wb") as f:
f.write(chars)
f.flush()
os.fsync(f.fileno())
return True
except OSError as msg:
messagebox.showerror("I/O Error", str(msg),
parent=self.text)
return False
def getmtime(self, filename):
return os.stat(filename).st_mtime
def fixnewlines(self):
"""Return text with os eols.
Add prompts if shell else final \n if missing.
"""
if hasattr(self.editwin, "interp"): # Saving shell.
text = self.editwin.get_prompt_text('1.0', self.text.index('end-1c'))
else:
if self.text.get("end-2c") != '\n':
self.text.insert("end-1c", "\n") # Changes 'end-1c' value.
text = self.text.get('1.0', "end-1c")
if self.eol_convention != "\n":
text = text.replace("\n", self.eol_convention)
return text
def encode(self, chars):
if isinstance(chars, bytes):
# This is either plain ASCII, or Tk was returning mixed-encoding
# text to us. Don't try to guess further.
return chars
# Preserve a BOM that might have been present on opening
if self.fileencoding == 'utf-8-sig':
return chars.encode('utf-8-sig')
# See whether there is anything non-ASCII in it.
# If not, no need to figure out the encoding.
try:
return chars.encode('ascii')
except UnicodeEncodeError:
pass
# Check if there is an encoding declared
try:
encoded = chars.encode('ascii', 'replace')
enc, _ = tokenize.detect_encoding(io.BytesIO(encoded).readline)
return chars.encode(enc)
except SyntaxError as err:
failed = str(err)
except UnicodeEncodeError:
failed = "Invalid encoding '%s'" % enc
messagebox.showerror(
"I/O Error",
"%s.\nSaving as UTF-8" % failed,
parent=self.text)
# Fallback: save as UTF-8, with BOM - ignoring the incorrect
# declared encoding
return chars.encode('utf-8-sig')
def print_window(self, event):
confirm = messagebox.askokcancel(
title="Print",
message="Print to Default Printer",
default=messagebox.OK,
parent=self.text)
if not confirm:
self.text.focus_set()
return "break"
tempfilename = None
saved = self.get_saved()
if saved:
filename = self.filename
# shell undo is reset after every prompt, looks saved, probably isn't
if not saved or filename is None:
(tfd, tempfilename) = tempfile.mkstemp(prefix='IDLE_tmp_')
filename = tempfilename
os.close(tfd)
if not self.writefile(tempfilename):
os.unlink(tempfilename)
return "break"
platform = os.name
printPlatform = True
if platform == 'posix': #posix platform
command = idleConf.GetOption('main','General',
'print-command-posix')
command = command + " 2>&1"
elif platform == 'nt': #win32 platform
command = idleConf.GetOption('main','General','print-command-win')
else: #no printing for this platform
printPlatform = False
if printPlatform: #we can try to print for this platform
command = command % shlex.quote(filename)
pipe = os.popen(command, "r")
# things can get ugly on NT if there is no printer available.
output = pipe.read().strip()
status = pipe.close()
if status:
output = "Printing failed (exit status 0x%x)\n" % \
status + output
if output:
output = "Printing command: %s\n" % repr(command) + output
messagebox.showerror("Print status", output, parent=self.text)
else: #no printing for this platform
message = "Printing is not enabled for this platform: %s" % platform
messagebox.showinfo("Print status", message, parent=self.text)
if tempfilename:
os.unlink(tempfilename)
return "break"
opendialog = None
savedialog = None
filetypes = (
("Python files", py_extensions, "TEXT"),
("Text files", "*.txt", "TEXT"),
("All files", "*"),
)
defaultextension = '.py' if sys.platform == 'darwin' else ''
def askopenfile(self):
dir, base = self.defaultfilename("open")
if not self.opendialog:
self.opendialog = filedialog.Open(parent=self.text,
filetypes=self.filetypes)
filename = self.opendialog.show(initialdir=dir, initialfile=base)
return filename
def defaultfilename(self, mode="open"):
if self.filename:
return os.path.split(self.filename)
elif self.dirname:
return self.dirname, ""
else:
try:
pwd = os.getcwd()
except OSError:
pwd = ""
return pwd, ""
def asksavefile(self):
dir, base = self.defaultfilename("save")
if not self.savedialog:
self.savedialog = filedialog.SaveAs(
parent=self.text,
filetypes=self.filetypes,
defaultextension=self.defaultextension)
filename = self.savedialog.show(initialdir=dir, initialfile=base)
return filename
def updaterecentfileslist(self,filename):
"Update recent file list on all editor windows"
if self.editwin.flist:
self.editwin.update_recent_files_list(filename)
def _io_binding(parent): # htest #
from tkinter import Toplevel, Text
top = Toplevel(parent)
top.title("Test IOBinding")
x, y = map(int, parent.geometry().split('+')[1:])
top.geometry("+%d+%d" % (x, y + 175))
class MyEditWin:
def __init__(self, text):
self.text = text
self.flist = None
self.text.bind("<Control-o>", self.open)
self.text.bind('<Control-p>', self.print)
self.text.bind("<Control-s>", self.save)
self.text.bind("<Alt-s>", self.saveas)
self.text.bind('<Control-c>', self.savecopy)
def get_saved(self): return 0
def set_saved(self, flag): pass
def reset_undo(self): pass
def open(self, event):
self.text.event_generate("<<open-window-from-file>>")
def print(self, event):
self.text.event_generate("<<print-window>>")
def save(self, event):
self.text.event_generate("<<save-window>>")
def saveas(self, event):
self.text.event_generate("<<save-window-as-file>>")
def savecopy(self, event):
self.text.event_generate("<<save-copy-of-window-as-file>>")
text = Text(top)
text.pack()
text.focus_set()
editwin = MyEditWin(text)
IOBinding(editwin)
if __name__ == "__main__":
from unittest import main
main('idlelib.idle_test.test_iomenu', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(_io_binding)