-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathInstallDialog.py
1165 lines (975 loc) · 47.1 KB
/
InstallDialog.py
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
#!/usr/bin/env python
import wx
import ast
import builtins as __builtin__
import ctypes
import datetime
import inspect
import math
import os
#from PIL import Image, ImageOps # ExifTags,
import platform
import queue
import re
import socket
import subprocess
import sys
import threading
import time
from urllib.error import URLError
from urllib.request import Request, urlopen
#import urllib.request, urllib.error # urllib.parse,
moduleList = {'osvmGlobals':'globs',
'LedControl' :'LedControl',
'ExifDialog' :'ExifDialog',
'rotateImage':'rotateImage'}
for k,v in moduleList.items():
print('Loading: %s as %s' % (k,v))
mod = __import__(k, fromlist=[None])
globals()[v] = globals().pop('mod') # Rename module in globals()
exifFilePath = ''
exifDataDict = {}
####
def downloadFile(op, pDialog):
global exifFilePath
global exifDataDict
fileName = op[globs.OP_FILENAME]
localFile = op[globs.OP_FILEPATH]
remoteFile = op[globs.OP_REMURL]
remSize = op[globs.OP_SIZE][0]
remBlocks = op[globs.OP_SIZE][1]
thr = op[globs.OP_INTH]
myprint('%s: %s %s %d %d' % (thr.name, remoteFile, localFile, remSize, remBlocks))
# Hack to use existing local file to save download time
if not globs.overwriteLocalFiles:
myprint('%s: Checking for local file: %s' % (thr.name, localFile))
if os.path.isfile(localFile):
try:
f = open(localFile, 'r')
except IOError:
os.remove(localFile)
myprint('%s: Cannnot use existing local file %s. Will download' % (thr.name, fileName))
else:
f.close()
# Should check local file size here...
statinfo = os.stat(localFile)
myprint("%s: file: %s size: local: %d remote: %d" % (thr.name, fileName, statinfo.st_size, remSize))
if statinfo.st_size != remSize:
msg = "%s: Local file %s has a wrong size (%d/%d). Deleting local file" % (thr.name, fileName, statinfo.st_size, remSize)
myprint(msg)
os.remove(localFile)
else:
myprint('%s: Skipping download. Using available local file: %s' % (thr.name, fileName))
return (0, '')
try:
out = open(localFile, 'wb')
except IOError as e:
msg = "%s: I/O error: Opening output file %s %s" % (thr.name, localFile, "({0}): {1}".format(e.errno, e.strerror))
myprint (msg)
return (-1, msg)
req = Request(remoteFile)
try:
myprint('Opening %s' % req)
response = urlopen(req, timeout=10)
except socket.error as e:
myprint('Connection Timed Out')
return (-1, 'Connection Timed Out (%s)' % remoteFile)
except ConnectionResetError as e:
myprint('ConnectionResetError',e)
return (-1, 'Connection Reset Error (%s)' % remoteFile)
except URLError as e:
if hasattr(e, 'reason'):
myprint('Failed to reach the server/camera.')
myprint('Reason: ', e.reason)
return (-1, e.reason)
elif hasattr(e, 'code'):
myprint('The server/camera couldn\'t fulfill the request.')
myprint('Error code: ', e.code)
return (-1, e.code)
else:
pass # everything is fine
msg = "%s: Starting transfer %s" % (thr.name,remoteFile)
myprint (msg)
blockSize = globs.URLLIB_READ_BLKSIZE
op[globs.OP_INCOUNT] = 0
ret = 0
while pDialog.keepGoing:
try:
#myprint('Reading chunk')
chunk = response.read(blockSize)
if thr.isStopped():
myprint('%s: Thread stopped. Aborting transfer' % thr.name)
ret = -2
break
except:
myprint('%s: Error: Downloading file' % thr.name)
ret = -1
break
if not chunk:
# End of transfer
myprint('%s: End of transfer detected' % thr.name)
#wx.CallAfter(pDialog.updateCounter, op, 1)
pDialog.updateCounter(op, 1)
break
out.write(chunk)
#time.sleep(1)#XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
op[globs.OP_INCOUNT] += 1
#print ('downloadFile(): blkno=',op[globs.OP_INCOUNT],keepGoing)
out.flush()
out.close()
# Sanity check:
# Check if user has cancelled the transfer or wrong transfer size
try:
statinfo = os.stat(localFile)
except:
myprint('%s does not exist anymore' % localFile)
return (ret, '')
else:
myprint('keepGoing=%s localSize=%d remoteSize=%d' % (pDialog.keepGoing,statinfo.st_size,remSize))
if not pDialog.keepGoing or statinfo.st_size != remSize:
msg = "%s: Downloaded file %s has a wrong size (%d/%d). Deleting" % (thr.name, fileName, statinfo.st_size, remSize)
os.remove(localFile)
ret = -1
return (ret, msg)
elif statinfo.st_size == remSize:
# Set modification date to date of media file
d1 = getHumanDate(globs.availRemoteFiles[fileName][globs.F_DATE])
t1 = getHumanTime(globs.availRemoteFiles[fileName][globs.F_TIME])
m,d,y = d1.split('/')
H,M,S = t1.split(':')
dt = datetime.datetime(int(y),int(m),int(d),int(H),int(M),int(S)) # year, month, day, hour, min, sec
modTime = time.mktime(dt.timetuple())
os.utime(localFile, (modTime, modTime))
# Check if file needs rotation
try:
myprint('Checking if %s needs rotation' % os.path.basename(localFile))
exifDataAsStr = exifDataDict[os.path.basename(localFile)]
except:
myprint('No Exif data for %s' % localFile)
else:
rotateImage.rotateImage(localFile, ast.literal_eval(exifDataAsStr))
# Update Exif data cache file and re-load cache
myprint('Updating Exif cache')
if not os.path.exists(exifFilePath):
myprint('%s does not exist. Creating' % exifFilePath)
ExifDialog.saveExifDataFromImages(exifFilePath)
else: # Exif cache file already exists. Must update it
try:
myprint('Retrieving Exif Data for %s' % localFile)
ed = ExifDialog.getExifData(localFile)
except:
myprint('Unable to get Exif data from file %s' % localFile)
else:
# Load existing exif data from file
exifDataDict = ExifDialog.buildDictFromFile(exifFilePath)
# Update dictionary containing exif data for all files
myprint('Updating Exif Data Dict. Length=%d' % len(exifDataDict))
try:
foo = exifDataDict[os.path.basename(localFile)]
except:
myprint('exifDataDict[%s] does not exist. Adding.' % os.path.basename(localFile))
exifDataDict[os.path.basename(localFile)] = str(ed)
else:
myprint('exifDataDict[%s] already exists.' % os.path.basename(localFile))
# Update exif data cache file
ExifDialog.saveFileFromDict(exifDataDict, exifFilePath)
myprint('Updated Exif Data File. Reloading...')
# Re-Load existing data from file after update
exifDataDict = ExifDialog.buildDictFromFile(exifFilePath)
return (ret, '')
####
class InstallThread(threading.Thread):
def __init__(self, name, dialog, thrLock, queueLock, workQueue):
threading.Thread.__init__(self)
self._name = name
self._pDialog = dialog
self._thrLock = thrLock
self._queueLock = queueLock
self._workQueue = workQueue
self._stopper = threading.Event()
self._id = threading.current_thread().ident
myprint('%s: Inited. id=%d' % (self._name, self._id))
def stopIt(self):
print('%s: Stopping' % self._name)
self._stopper.set()
myprint('%s: isStopped(): %s' % (self._name, self.isStopped()))
def isStopped(self):
return self._stopper.isSet()
def getId(self):
return self._id
# returns id of the respective thread
if hasattr(self, '_thread_id'):
return self._thread_id
for id, thread in threading._active.items():
if thread is self:
return id
# Raise an exception to unblock a working thread
def raiseException(self):
thread_id = self.getId()
myprint('InstallThread %s, id %d raising exception' % (self._name, thread_id))
#thread_id = self._id
#myprint('%s: id=%d Raising exception' % (self._name, thread_id))
#res = ctypes.pythonapi.PyThreadState_SetAsyncExc(thread_id,
# ctypes.py_object(SystemExit))
#if res == 0:
# raise ValueError("Nonexistent thread id %d %d", thread_id, threading.current_thread().ident)
#elif res > 1:
# myprint('Exception raise failure')
# """if it returns a number greater than one, you're in trouble,
# and you should call it again with exc=NULL to revert the effect"""
# ctypes.pythonapi.PyThreadState_SetAsyncExc(thread_id, 0)
# raise SystemError("PyThreadState_SetAsyncExc failed")
def run(self):
myprint('%s: Running. id=%d' % (self._name,self._id))
while True:
try:
myprint("%s: Queue size: %d isStopped: %s" % (self._name, self._workQueue.qsize(), self.isStopped()))
if self.isStopped():
myprint('%s: Thread is stopped, Exiting' % self._name)
return
self._queueLock.acquire()
if self._workQueue.empty():
self._queueLock.release()
myprint('%s: Queue is now empty, Exiting' % self._name)
return
op = self._workQueue.get()
self._queueLock.release()
self.fileName = op[globs.OP_FILENAME]
self.localFile = op[globs.OP_FILEPATH]
self.remoteFile = op[globs.OP_REMURL]
self.remSize = op[globs.OP_SIZE][0]
self.remBlocks = op[globs.OP_SIZE][1]
self.fileSize = globs.availRemoteFiles[self.fileName][globs.F_SIZE]
# Update subpanel to use for this operation
#wx.CallAfter(self._pDialog.nextInstallSubPanel, op)
self._pDialog.nextInstallSubPanel(op)
myprint('%s: Processing file %s: (%sB, %d bytes %d blocks)' % (self._name, self.fileName, self.fileSize, self.remSize, self.remBlocks))
# Store thread in current operation
op[globs.OP_INTH] = self
# step 0. Download file from camera
wx.CallAfter(self._pDialog.startStep, op, 0, self._workQueue.qsize())
(ret, msg) = downloadFile(op=op, pDialog=self._pDialog)
myprint('%s: ret=%d msg=%s' % (self._name, ret, msg))
if ret < 0:
if ret != -2:
#wx.CallAfter(self._pDialog.installError, 1, msg, op)
self._pDialog.installError(1, msg, op)
time.sleep(1) # some time for the GUI to refresh
op[globs.OP_INTH] = 0 # Done with this op
self._workQueue.task_done()
continue
# End of transfer. Update total counter
wx.CallAfter(self._pDialog.endStep, op, 0)
time.sleep(1) # some time for the GUI to refresh
op[globs.OP_INTH] = 0 # Done with this op
self._workQueue.task_done()
except socket.error as e:
myprint('SocketError:',e)
except ConnectionResetError as e:
myprint('ConnectionResetError',e)
self.stopIt()
# except urllib.error.HTTPError as e:
# print("HTTP Error:",e.code,e.reason)
# except urllib.error.URLError as e:
# print ("Connection Error:",e.reason)
# except:
# myprint('%s: *** Got Exception. Stopping thread ***' % self._name)
# self.stopIt()
class MainInstallThread(threading.Thread):
def __init__(self, parent, name, thrLock):
threading.Thread.__init__(self)
self._parent = parent
self._name = name
self._thrLock = thrLock
self._threads = list() # List of threads
self._queueLock = threading.Lock()
self._workQueue = queue.Queue(globs.MAX_OPERATIONS)
self._stopper = threading.Event()
self._downloadDir = globs.osvmDownloadDir
myprint ('Started')
def stopIt(self):
myprint('Stopping child threads')
for thr in self._threads:
if thr.isAlive():
myprint('Stopping thread: %s' % (thr.name))
thr.stopIt()
#thr.raiseException()
thr.join()
myprint('All child threads now stopped')
def isStopped(self):
return self._stopper.isSet()
def run(self):
myprint('Running, Waiting for Lock')
self._thrLock.acquire() # will block until the 'InstallDialog' starts
myprint('Lock acquired')
# Clear list of threads
self._threads = list()
# Fill the queue with pending operations
for op in globs.opList:
if op[globs.OP_STATUS]:
self._workQueue.put(op)
myprint('workQueue size: %d, globs.maxDownload: %d' % (self._workQueue.qsize(),globs.maxDownload))
# Exit if nothing to do
if not self._workQueue.qsize():
wx.CallAfter(self._parent.finish, '')
self._thrLock.release()
return
# Create new install threads
for i in range(globs.maxDownload):
tName = 'th-%d' % i
thr = InstallThread(tName, self._parent, self._thrLock, self._queueLock, self._workQueue)
myprint('Thread created', thr)
# Start the new thread in background
thr.setDaemon(True)
myprint('Starting thread %s' % (tName))
thr.start()
myprint('Thread started', thr)
# Add the thread to the thread list
self._threads.append(thr)
# Wait for all threads to complete
for t in self._threads:
if t.is_alive():
t.join()
myprint('All threads have finished')
# All Threads are exited.
myprint('Updating globs.localFileInfos')
globs.localFilesCnt = localFilesInfo(globs.osvmDownloadDir)
myprint('%d files on local host' % (globs.localFilesCnt))
# Dialog cleanup if possible
try:
wx.CallAfter(self._parent.finish, '')
except:
pass
# All Threads are exited.
myprint('Exiting')
# Raise an exception to all worker threads to release threads
def raiseException(self):
for thr in self._threads:
if thr.is_alive():
myprint('Main Install Thread raising exception', thr.getId())
self.keepGoing = False
# #thr.raiseException()
# res = ctypes.pythonapi.PyThreadState_SetAsyncExc(thr.getId(),
# ctypes.py_object(SystemExit))
# if res == 0:
# raise ValueError("Nonexistent thread id %d",thr.getId())
# elif res > 1:
# myprint('Exception raise failure')
# # """if it returns a number greater than one, you're in trouble,
# # and you should call it again with exc=NULL to revert the effect"""
# ctypes.pythonapi.PyThreadState_SetAsyncExc(thr.getId(), 0)
# raise SystemError("PyThreadState_SetAsyncExc failed")
class InstallDialog(wx.Dialog):
def __init__(self, parent, download, title):
wx.Dialog.__init__(self, None, wx.ID_ANY, title, size=(600,500))#was 500,500
self.parent = parent
self.downloadDir = download
self.keepGoing = True
self.installCanceled = False
self.totalSecs = 0
self.timerTicks = 0
self.numOps = 0
self.totalBlocks = 0
self.totalCount = 0
self.errorCnt = 0
self.tmpOpList = []
self.installSubPanelIdx = 0
self.installSubPanels = []
# Create the main thread
self.mainInstallThrLock = threading.Lock()
self.mainInstallThrLock.acquire() # Acquire the lock to prevent the thread from running
self.mainInstallThr = MainInstallThread(self, "MainInstallThread", self.mainInstallThrLock)
self.mainInstallThr.setDaemon(True)
self.mainInstallThr.start()
myprint('Main Install Thread stopped:', self.mainInstallThr.isStopped())
self._initialize()
self._runThread()
def _initialize(self):
global exifFilePath
global exifDataDict
self.panel1 = wx.Panel(id=wx.ID_ANY, name='panel1', parent=self,
size=wx.DefaultSize, style=wx.TAB_TRAVERSAL)
# Create Top Level BoxSizer
self.topBoxSizer = wx.BoxSizer(orient=wx.VERTICAL)
# Loop thru all operations and fill details
for i in range(len(globs.opList)):
op = globs.opList[i]
opStatus = op[globs.OP_STATUS]
# If this operation is not used, skip it
if not opStatus:
continue
fileName = op[globs.OP_FILENAME]
self.numOps += 1
dirName = globs.availRemoteFiles[fileName][globs.F_DIRNAME]
fileSize = globs.availRemoteFiles[fileName][globs.F_SIZE]
# Save full pathname of local file
op[globs.OP_FILEPATH] = os.path.join(self.downloadDir, fileName)
nBlocks = fileSize / globs.URLLIB_READ_BLKSIZE
op[globs.OP_SIZE] = (fileSize, nBlocks)
fileUrl = '%s%s/%s' % (globs.osvmFilesDownloadUrl, dirName, fileName)
op[globs.OP_REMURL] = fileUrl
self.totalBlocks += math.ceil(nBlocks)
myprint('%d operations configured' % self.numOps)
self._createInstallSubPanels()
self._createOtherControls()
# Set a timer to count the elapsed time
self.timer = wx.Timer(self, wx.ID_ANY)
self.Bind(wx.EVT_TIMER, self.OnTimer, self.timer)
# Initialize the Exif Data dict from Exif cache
exifFilePath = os.path.join(globs.osvmDownloadDir, globs.exifFile)
exifDataDict = ExifDialog.buildDictFromFile(exifFilePath)
self.panel1.SetSizerAndFit(self.topBoxSizer)
self.SetClientSize(self.topBoxSizer.GetSize())
self.Centre()
def _createInstallSubPanels(self):
# sub-panel to contain 5 pending operations
h = min(globs.installSubPanelsCount,self.numOps) * 60 + 40
self.panel2 = wx.Panel(parent=self.panel1, id=wx.ID_ANY, size=(500,h),
style=wx.TAB_TRAVERSAL)
# Create a BoxSizer (managed by panel2) for all the pending operations
self.operationsGridSizer = wx.GridSizer(cols=1, vgap=5, hgap=5)
for i in range(min(globs.installSubPanelsCount,self.numOps)):
myprint('Creating subpanel #%d' % i)
# List of all widgets related to this operation
opWidgets = []
# widget0. Progress gauge. Range is rounded up
w = wx.Gauge(range=10, parent=self.panel2, id=wx.ID_ANY, size=(200, 15))
opWidgets.append(w)
# widget1
w = wx.StaticText(label='Time elapsed:', parent=self.panel2, id=wx.ID_ANY)
opWidgets.append(w)
# widget2. contains time elapsed counter
w = wx.StaticText(label='00:00:00', parent=self.panel2, id=wx.ID_ANY)
opWidgets.append(w)
# widget3
w = wx.StaticText(label='Time remaining:', parent=self.panel2, id=wx.ID_ANY)
opWidgets.append(w)
# widget4. contains time remainining counter
w = wx.StaticText(label='00:00:00', parent=self.panel2, id=wx.ID_ANY)
opWidgets.append(w)
# widget5. file name and size
w = wx.StaticBox(label='', id=wx.ID_ANY, parent=self.panel2, style=0)
opWidgets.append(w)
# widget6. global box sizer for 1 operation
w = wx.StaticBoxSizer(box=opWidgets[globs.INST_STBOX], orient=wx.HORIZONTAL)
opWidgets.append(w)
# widget7. To contain time related widgets (globs.INST_GRDSZ)
w = wx.FlexGridSizer(2, 2, vgap=5, hgap=5)
opWidgets.append(w)
# Add all time related widgets to its sizer
w.Add(opWidgets[globs.INST_ELAPTXT], 0, border=5, flag=wx.EXPAND)
w.Add(opWidgets[globs.INST_ELAPCNT], 0, border=5, flag=wx.EXPAND)
w.Add(opWidgets[globs.INST_REMTXT], 0, border=5, flag=wx.EXPAND)
w.Add(opWidgets[globs.INST_REMCNT], 0, border=5, flag=wx.EXPAND)
# widget8 (globs.INST_LEDBOXSZ). Add 3 LEDs per operation: download, extract, install
ledBoxSz = wx.BoxSizer(orient=wx.VERTICAL)
opWidgets.append(ledBoxSz)
ledList = [0,0,0] # List of 3 LEDs
# Meaning of each LED. Used by SetToolTip()
ledMeans = [ 'File Download', 'File Extraction', 'File Installation' ]
# Only 1 LED is enough
myprint('color=%s' % globs.LEDS_COLOURS[globs.LED_GREY][0])
ledList[0] = w = LedControl.ColorLED(self.panel2, globs.LEDS_COLOURS[globs.LED_GREY][0])
w.SetToolTip(ledMeans[0])
# Add this LED in the sizer
ledBoxSz.Add(w, 0, border=0, flag=wx.EXPAND)
# Add ledList (globs.INST_LEDLIST) to the list of widgets for this op
opWidgets.append(ledList)
# Put the Gauge widgets in a sizer (globs.INST_GKBOXSZ)
gkBoxSz = wx.BoxSizer(orient=wx.VERTICAL)
opWidgets.append(gkBoxSz)
gkBoxSz.AddStretchSpacer(prop=1)
gkBoxSz.Add(opWidgets[globs.INST_GAUGE], 0, border=0, flag=wx.EXPAND)
gkBoxSz.AddStretchSpacer(prop=1)
# Add widgets related to this op in its sizer
opWidgets[globs.INST_OPBOXSZ].Add(opWidgets[globs.INST_GKBOXSZ], 0, border=5,
flag=wx.ALL | wx.ALIGN_CENTER_VERTICAL)
opWidgets[globs.INST_OPBOXSZ].Add(8, 0, 1, border=0, flag=wx.EXPAND)
opWidgets[globs.INST_OPBOXSZ].Add(opWidgets[globs.INST_LEDBOXSZ], 0, border=5,
flag=wx.ALL | wx.ALIGN_CENTER_VERTICAL)
opWidgets[globs.INST_OPBOXSZ].Add(8, 0, 1, border=0, flag=wx.EXPAND)
opWidgets[globs.INST_OPBOXSZ].Add(opWidgets[globs.INST_GRDSZ], 0, border=5,
flag= wx.ALIGN_CENTER_VERTICAL) #211 wx.ALIGN_RIGHT |
# Finally add this operation in the operations grid sizer
self.operationsGridSizer.Add(opWidgets[globs.INST_OPBOXSZ], 0, border=0,
flag=wx.TOP | wx.LEFT | wx.RIGHT | wx.EXPAND)
# Store all widgets in this subpanel in the installSubPanels list
self.installSubPanels.append(opWidgets)
# Add the panel in the topBoxSizer
self.topBoxSizer.Add(self.panel2, 0, border=10, flag=wx.ALL | wx.EXPAND)
self.panel2.SetSizer(self.operationsGridSizer)
self.panel2.SetAutoLayout(True)
def _createOtherControls(self):
# TextCtrl to display installation output messages
self.statusBar = wx.TextCtrl(parent=self.panel1, size=(300, 100), id=wx.ID_ANY, style=wx.TE_MULTILINE)
# Add a Gauge at the bottom for the overall installation process.
# the range is rounded up to meet wxwidget 3.0.
self.ggAll = wx.Gauge(range=math.ceil(self.totalBlocks), parent=self.panel1,
id=wx.ID_ANY, size=(-1, 20))
myprint('totalBlocks=%f range=%d' % (self.totalBlocks,
math.ceil(self.totalBlocks)))
# Add a Total elapsed time counter and gauge
self.totalElapTxt = wx.StaticText(label='Total Time:',
parent=self.panel1, id=wx.ID_ANY)
self.totalElapCnt = wx.StaticText(label='00:00:00', parent=self.panel1, id=wx.ID_ANY)
self.totalElapSz = wx.BoxSizer(orient=wx.HORIZONTAL)
self.totalElapSz.Add(self.ggAll, 1, border=10, flag=wx.TOP | wx.EXPAND)
self.totalElapSz.Add(8, 4, 0, border=0, flag=wx.EXPAND)
self.totalElapSz.Add(self.totalElapTxt, 0, border=10, flag=wx.TOP | wx.EXPAND)
self.totalElapSz.Add(4, 4, 0, border=0, flag=0)
self.totalElapSz.Add(self.totalElapCnt, 0, border=10, flag=wx.TOP | wx.EXPAND)
# Finally add bottom buttons in a sizer
# Add various counters at the bottom in a sizer
self.fileQueueLabel = wx.StaticText(label='Files:', parent=self.panel1, id=wx.ID_ANY)
# Format the fileQueueCnt initial label
try:
n = int(math.log10(self.numOps))+1
except:
n = 0
lbl = '{s:0{width}}/{s:0{width}}'.format(s=0,width=n)
self.fileQueueCnt = wx.StaticText(label=lbl, parent=self.panel1, id=wx.ID_ANY)
self.sizeQueueLabel = wx.StaticText(label='Blocks:', parent=self.panel1, id=wx.ID_ANY)
# Format the sizeQueueCnt initial label
try:
n = int(math.log10(self.totalBlocks))+1
except:
n = 0
lbl = '{s:0{width}}/{s:0{width}}'.format(s=0,width=n)
self.sizeQueueCnt = wx.StaticText(label=lbl, parent=self.panel1, id=wx.ID_ANY)
self.avSpeedTxt = wx.StaticText(label='Average Speed:',
parent=self.panel1, id=wx.ID_ANY)
self.avSpeedCnt = wx.StaticText(label='000 KB/s', parent=self.panel1, id=wx.ID_ANY)
self.ETATxt = wx.StaticText(label='ETA:', parent=self.panel1, id=wx.ID_ANY)
self.ETACnt = wx.StaticText(label='00:00:00', parent=self.panel1, id=wx.ID_ANY)
self.btnCancel = wx.Button(id=wx.ID_CANCEL, label='Cancel All',
parent=self.panel1, style=0)
self.btnCancel.SetToolTip('Cancel all pending operations')
self.btnCancel.Bind(wx.EVT_BUTTON, self.OnBtnCancel)
self.btnDone = wx.Button(id=wx.ID_ANY, label='Done', parent=self.panel1, style=0)
self.btnDone.SetToolTip('Exit Installation Dialog')
self.btnDone.Bind(wx.EVT_BUTTON, self.OnBtnDone)
self.btnDone.Disable()
self.opBoxSizer = wx.BoxSizer(orient=wx.HORIZONTAL)
self.opBoxSizer.Add(self.fileQueueLabel, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=0)
self.opBoxSizer.Add(self.fileQueueCnt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=3)
self.opBoxSizer.Add(self.sizeQueueLabel, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=0)
self.opBoxSizer.Add(self.sizeQueueCnt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=3)
self.opBoxSizer.Add(self.avSpeedTxt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=0)
self.opBoxSizer.Add(self.avSpeedCnt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=3)
self.opBoxSizer.Add(self.ETATxt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=0)
self.opBoxSizer.Add(self.ETACnt, 0, border=0, flag=wx.ALIGN_CENTER_VERTICAL)
self.opBoxSizer.AddStretchSpacer(prop=3)
self.opBoxSizer.Add(self.btnCancel, 0, border=0, flag=0)
self.opBoxSizer.AddStretchSpacer(prop=3)
self.opBoxSizer.Add(self.btnDone, 0, border=0, flag=0)
# Add button box sizer in top box sizer
self.topBoxSizer.Add(self.statusBar, 0, border=10, flag=wx.ALL | wx.EXPAND)
self.topBoxSizer.Add(self.totalElapSz, 0, border=10, flag=wx.ALL | wx.EXPAND)
self.topBoxSizer.Add(4, 4, 0, border=0, flag=wx.EXPAND)
self.topBoxSizer.Add(self.opBoxSizer, 0, border=10,
flag=wx.ALL | wx.EXPAND)#211 | wx.ALIGN_RIGHT)
# Local methods
def _ping(self, server, timeout=10):
#myprint('Pinging %s' % (server))
ret = subprocess.call("ping -t %d -c 1 %s" % (timeout,server),
shell=True,
stdout=open('/dev/null', 'w'),
stderr=subprocess.STDOUT)
return not ret # ret == 0 means server is alive
def _checkConnectivity(self):
import urllib.request
import socket
uri = globs.rootUrl
try:
urllib.request.urlopen(uri, timeout=1)
return True
except urllib.request.URLError:
myprint('URLError while opening %s' % uri)
return False
except socket.timeout:
myprint('Timeout while opening %s' % uri)
return False
except IOError as e:
mymsg = "I/O error: Opening URL %s %s" % (uri, "({0}): {1}".format(e.errno, e.strerror))
print(msg)
return False
def _runThread(self):
# Process all DELETE operations first
#deleteLocalFiles(self, globs.opList, globs)
#dumpOperationList("Global Operation List")
# Process all pending INSTALL/UPDATE operations
# Start the main thread which will create all the sub-threads
# to do the actual transfer
myprint('Releasing IntallThreadLock')
self.mainInstallThrLock.release() #Let the install threads run
self.timer.Start(globs.TIMER1_FREQ)
# Check if a package URL is valid
def _checkRemoteFile(self, dirName, fileName):
fileUrl = '%s%s/%s' % (globs.osvmFilesDownloadUrl, dirName, fileName)
try:
u = urllib.request.urlopen(fileUrl)
except urllib.error.URLError as e:
print(e.reason)
return (-1, e.reason)
totalSize = int(u.info()["Content-Length"])
print('Remote File: %s size: %s bytes...' % (fileUrl,totalSize))
return (totalSize, fileUrl)
def _updateLabel(self, op):
stBox = self.subPanel[globs.INST_STBOX]
try:
statinfo = os.stat(op[globs.OP_FILEPATH])
except:
myprint('%s does not exist' % op[globs.OP_FILEPATH])
return
wlabel = '%s %s / %s' % (os.path.basename(op[globs.OP_FILEPATH]),
humanBytes(statinfo.st_size),
humanBytes(op[globs.OP_SIZE][0]))
stBox.SetLabel(wlabel)
def _updateLeds(self, op):
ledList = self.subPanel[globs.INST_LEDLIST]
led = ledList[op[globs.OP_INSTEP]] # LED to update
state = op[globs.OP_INLEDSTATE] # ON/BLINK/OFF
color = globs.LEDS_COLOURS[op[globs.OP_INLEDCOL]][0]
if state == globs.LED_BLINK:
if self.totalSecs % 2:
led.SetState(color)
else:
led.SetState(globs.LEDS_COLOURS[globs.LED_GREY][0])
else:
led.SetState(color)
def _updateTotalCounter(self):
self.totalCount = 0
# How much has been done so far?
for op in globs.opList:
if not op[globs.OP_STATUS]: # or op[globs.OP_TYPE] == globs.FILE_DELETE:
continue
self.totalCount += op[globs.OP_INCOUNT]
# update overall gauge
try:
self.ggAll.SetValue(self.totalCount)
except:
print('_updateTotalCounter(): Exception in SetValue(). count=%d' % (self.totalCount))
elapsed = time.strftime('%H:%M:%S', time.gmtime(self.totalSecs))
self.totalElapCnt.SetLabel(elapsed)
if self.totalSecs:
bandWidth = ((self.totalCount) * globs.URLLIB_READ_BLKSIZE) / (self.totalSecs * 1024)
self.avSpeedCnt.SetLabel('%d KB/s' % bandWidth)
# compute total remaining time (ETA)
KBytesRemaining = ((self.totalBlocks - self.totalCount) * globs.URLLIB_READ_BLKSIZE) / 1024
SecondsRemaining = int(KBytesRemaining / (bandWidth+1)) # Avoid div by 0
self.ETACnt.SetLabel('%s' % (str(datetime.timedelta(seconds=SecondsRemaining))))
# External callable methods
# Set the subpanel to use. Update some widgets (filename, size,...)
def nextInstallSubPanel(self, op):
myprint('Using subpanel %d' % self.installSubPanelIdx)
self.subPanel = self.installSubPanels[self.installSubPanelIdx]
self.subPanel[globs.INST_GAUGE].SetRange(range=math.ceil(op[globs.OP_SIZE][1]))
wlabel = '%s %s' % (op[globs.OP_FILENAME], humanBytes(op[globs.OP_SIZE][0]))
self.subPanel[globs.INST_STBOX].SetLabel(wlabel)
self.installSubPanelIdx = (self.installSubPanelIdx + 1) % globs.installSubPanelsCount
# Update the Install Dialog window containing the gauges
# Called by the timer handler and by the worker thread
def updateCounter(self, op, reason=0):
# reason = 1 means final update for this download
if reason:
count = op[globs.OP_SIZE][1]
myprint('final update:',count)
else:
count = op[globs.OP_INCOUNT]
# update gauge for this operation
self.subPanel[globs.INST_GAUGE].SetValue(count)
# Update Elapsed time widget
op[globs.OP_INTICKS] += 1
elapsed = time.strftime('%H:%M:%S', time.gmtime(op[globs.OP_INTICKS]/globs.TICK_PER_SEC))
# Update Remaining time widget
approxTime = (op[globs.OP_INTICKS] * op[globs.OP_SIZE][1]) / max(count, 1)
remaining = time.strftime('%H:%M:%S', time.gmtime(abs((approxTime - op[globs.OP_INTICKS])/globs.TICK_PER_SEC)))
# Update Elapsed time widget
self.subPanel[globs.INST_ELAPCNT].SetLabel(elapsed)
# Update Remaining time widget
self.subPanel[globs.INST_REMCNT].SetLabel(remaining)
# Update the block transferred counter
n = int(math.log10(self.totalBlocks))+1
self.sizeQueueCnt.SetLabel('{s}/{t}'.format(s=self.totalCount,t=self.totalBlocks))
# Any click on the Cancel button
if self.installCanceled:
self.keepGoing = False
#print count,nBlocks,self.keepGoing,elapsed,approxTime,remaining
def finish(self, msg):
myprint('All transfers finished (%d/%d)' % (self.totalCount, self.totalBlocks))
self.btnDone.Enable()
self.btnCancel.Disable()
self.timer.Stop()
oMsg = self.statusBar.GetValue()
self.statusBar.SetValue(oMsg + '\n' + msg + '\n' + 'End Of Transfer. %d error(s)' % self.errorCnt)
# Notify parent to stop any animation
wx.CallAfter(self.parent.finish)
def installError(self, err, msg, op=None):
#myprint(msg)
self.errorCnt += err
oldMsg = self.statusBar.GetValue()
self.statusBar.SetValue(oldMsg + '\n' + str(msg))
if op:
op[globs.OP_INLEDSTATE] = globs.LED_ON
op[globs.OP_INLEDCOL] = globs.LED_RED
try:
self._updateLeds(op)
except:
pass
# Called at beginning of a given step: download/0, extract/1 or install/2
def startStep(self, op, step, qSize):
op[globs.OP_INSTEP] = step # LED number
op[globs.OP_INLEDSTATE] = globs.LED_BLINK
op[globs.OP_INLEDCOL] = globs.LED_ORANGE
# Get # digits in numOps
numDigits = int(math.log10(self.numOps))+1
# Format the fileQueueCnt label
self.fileQueueCnt.SetLabel('{s:0{width}}/{t:0{width}}'.format(s=qSize,width=numDigits,t=self.numOps))
# Called at end of a given install step: download/0, extract/1 or install/2
def endStep(self, op, step):
op[globs.OP_INSTEP] = step # LED number
op[globs.OP_INLEDSTATE] = globs.LED_ON
op[globs.OP_INLEDCOL] = globs.LED_GREEN
self._updateLeds(op)
if step == 2:
# Clear emaining time widget
self.subPanel[globs.INST_REMCNT].SetLabel('00:00:00')
def getTransferInfo(self):
return (self.totalBlocks,self.totalCount)
#### Events ####
def OnBtnCancel(self, event):
self.timer.Stop()
self.installCanceled = True
# Stop the install threads
self.mainInstallThr.stopIt()
while self.mainInstallThr.isAlive():
time.sleep(1)
myprint('All Install threads are stopped')
def OnBtnDone(self, event):
self.timer.Stop()
myprint('totalBlocks=%d totalCount=%d' % (self.totalBlocks,self.totalCount))
self.EndModal(wx.ID_CLOSE)
self.Close()
event.Skip()
def OnTimer(self, event):
server = globs.rootUrl.split('/')[2].split(':')[0] # Get IP address from URL of the camera
if not self._ping(server, 15):
myprint('%s: Lost connection with %s. Aborting download' % (datetime.datetime.now().time(), server))
self.keepGoing = False
#self.mainInstallThr.raiseException()
# Simulate a 'Cancel' event
#evt = wx.PyCommandEvent(wx.EVT_BUTTON.typeId, self.btnCancel.GetId())
#evt.SetEventObject(self.btnCancel)
#wx.PostEvent(self.btnCancel, evt)
else:
self.keepGoing = True
if self.numOps: # Only if some file install/update
for op in globs.opList:
if not op[globs.OP_STATUS]:
continue
# Update Counters/LEDs/Labels if transfer is active
if op[globs.OP_INTH] and op[globs.OP_INTH].isAlive():
self.updateCounter(op)
self._updateLeds(op)
self._updateLabel(op)
self.timerTicks += globs.TIMER1_FREQ
self.totalSecs = self.timerTicks / 1000
self._updateTotalCounter()
#######
def myprint(*args, **kwargs):
"""My custom print() function."""
# Adding new arguments to the print function signature
# is probably a bad idea.
# Instead consider testing if custom argument keywords
# are present in kwargs
__builtin__.print('%s():' % inspect.stack()[1][3], *args, **kwargs)
def getHumanDate(d):
''' return a string containing a date in human/readable format. '''
#d = 19330 # 2/12/2017
maskDay = 0x1F # "0000000000011111"
maskMonth = 0x1E0 # "0000000111100000"
maskYear = 0xFE00 # "1111 1110 0000 0000"
day = (d & maskDay) >> 0
month = (d & maskMonth) >> 5
year = ((d & maskYear) >> 9) + 1980
humanDate = "%d/%d/%d" % (month,day,year)
return humanDate
def getHumanTime(t):
''' return a string containing a time in human/readable format. '''
maskSeconds = 0x001F # 0000000000011111
maskMinutes = 0x07E0 # 0000011111100000
maskHours = 0xF800 # 1111100000000000
hours = ((t & maskHours) >> 11) # + 1 # XXX ???
minutes = (t & maskMinutes) >> 5
seconds = (t & maskSeconds) * 2
humanTime = "%d:%d:%d" % (hours,minutes,seconds)
return humanTime
def humanBytes(size):
power = float(2**10) # 2**10 = 1024
n = 0
power_labels = {0 : 'B', 1: 'KB', 2: 'MB', 3: 'GB', 4: 'TB'}
while size > power:
size = float(size / power)
n += 1
return '%s %s' % (('%.2f' % size).rstrip('0').rstrip('.'), power_labels[n])
# Browse a directory, looking for filenames ending with: JPG, MOV, ORF, MPO, MP4
def listLocalFiles(dir, hidden=False, relative=True, suffixes=('jpg', 'mov', 'orf', 'mpo', 'mp4')):
# suffixes = ('jpg', 'mov', 'orf', 'mpo', 'mp4')
myprint('Looking for files with suffix:', suffixes)
nodes = []
try:
for fname in os.listdir(dir):
if not hidden and fname.startswith('.'):
continue
if not fname.lower().endswith(suffixes):
continue