FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
winpython/winpython/utils.py at master · rabihcedar/winpython · GitHub
rabihcedar
/
winpython
Public
forked from
winpython/winpython
Notifications
You must be signed in to change notification settings
Fork
0
Star
0
Code
Pull requests
0
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
winpython
/
winpython
/
utils.py
Copy path
More file actions
More file actions
Latest commit
History
History
History
989 lines (876 loc) · 32.2 KB
Breadcrumbs
winpython
/
winpython
/
utils.py
Copy path
File metadata and controls
989 lines (876 loc) · 32.2 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
# -*- coding: utf-8 -*-
#
# Copyright © 2012 Pierre Raybaut
# Licensed under the terms of the MIT License
# (see winpython/__init__.py for details)
"""
WinPython utilities
Created on Tue Aug 14 14:08:40 2012
"""
import
os
from
pathlib
import
Path
import
subprocess
import
re
import
tarfile
import
zipfile
import
tempfile
import
shutil
import
atexit
import
sys
import
stat
import
locale
import
io
# Local imports
import
winreg
def
get_python_executable
(
path
=
None
):
"""return the python executable"""
my_path
=
sys
.
executable
if
path
==
None
else
path
# default = current one
my_path
=
my_path
if
Path
(
my_path
).
is_dir
()
else
str
(
Path
(
my_path
).
parent
)
exec_py
=
str
(
Path
(
my_path
)
/
'python.exe'
)
exec_pypy
=
str
(
Path
(
my_path
)
/
'pypy3.exe'
)
# PyPy !
# PyPy >=7.3.6 3.8 aligns to python.exe and Lib\site-packages
python_executable
=
exec_py
if
Path
(
exec_py
).
is_file
()
else
exec_pypy
return
python_executable
def
get_site_packages_path
(
path
=
None
):
"""return the python site-packages"""
my_path
=
sys
.
executable
if
path
==
None
else
path
# default = current one
my_path
=
my_path
if
Path
(
my_path
).
is_dir
()
else
str
(
Path
(
my_path
).
parent
)
site_py
=
str
(
Path
(
my_path
)
/
'Lib'
/
'site-packages'
)
site_pypy
=
str
(
Path
(
my_path
)
/
'site-packages'
)
# PyPy !!
site_packages_path
=
site_pypy
if
Path
(
site_pypy
).
is_dir
()
else
site_py
return
site_packages_path
def
onerror
(
function
,
path
,
excinfo
):
"""Error handler for `shutil.rmtree`.
If the error is due to an access error (read-only file), it
attempts to add write permission and then retries.
If the error is for another reason, it re-raises the error.
Usage: `shutil.rmtree(path, onerror=onerror)"""
if
not
os
.
access
(
path
,
os
.
W_OK
):
# Is the error an access error?
os
.
chmod
(
path
,
stat
.
S_IWUSR
)
function
(
path
)
else
:
raise
# Exact copy of 'spyderlib.utils.programs.is_program_installed' function
def
is_program_installed
(
basename
):
"""Return program absolute path if installed in PATH
Otherwise, return None"""
for
path
in
os
.
environ
[
"PATH"
].
split
(
os
.
pathsep
):
abspath
=
str
(
Path
(
path
)
/
basename
)
if
Path
(
abspath
).
is_file
():
return
abspath
# =============================================================================
# Environment variables
# =============================================================================
def
get_env
(
name
,
current
=
True
):
"""Return HKCU/HKLM environment variable name and value
For example, get_user_env('PATH') may returns:
('Path', u'C:
\\
Program Files
\\
Intel
\\
WiFi
\\
bin
\\
')"""
root
=
(
winreg
.
HKEY_CURRENT_USER
if
current
else
winreg
.
HKEY_LOCAL_MACHINE
)
key
=
winreg
.
OpenKey
(
root
,
"Environment"
)
for
index
in
range
(
0
,
winreg
.
QueryInfoKey
(
key
)[
1
]):
try
:
value
=
winreg
.
EnumValue
(
key
,
index
)
if
value
[
0
].
lower
()
==
name
.
lower
():
# Return both value[0] and value[1] because value[0] could be
# different from name (lowercase/uppercase)
return
value
[
0
],
value
[
1
]
except
:
break
def
set_env
(
name
,
value
,
current
=
True
):
"""Set HKCU/HKLM environment variables"""
root
=
(
winreg
.
HKEY_CURRENT_USER
if
current
else
winreg
.
HKEY_LOCAL_MACHINE
)
key
=
winreg
.
OpenKey
(
root
,
"Environment"
)
try
:
_x
,
key_type
=
winreg
.
QueryValueEx
(
key
,
name
)
except
WindowsError
:
key_type
=
winreg
.
REG_EXPAND_SZ
key
=
winreg
.
OpenKey
(
root
,
"Environment"
,
0
,
winreg
.
KEY_SET_VALUE
)
winreg
.
SetValueEx
(
key
,
name
,
0
,
key_type
,
value
)
from
win32gui
import
SendMessageTimeout
from
win32con
import
(
HWND_BROADCAST
,
WM_SETTINGCHANGE
,
SMTO_ABORTIFHUNG
,
)
SendMessageTimeout
(
HWND_BROADCAST
,
WM_SETTINGCHANGE
,
0
,
"Environment"
,
SMTO_ABORTIFHUNG
,
5000
,
)
#==============================================================================
# https://stackoverflow.com/questions/580924/how-to-access-a-files-properties-on-windows
def
getFileProperties
(
fname
):
#==============================================================================
"""
Read all properties of the given file return them as a dictionary.
"""
import
win32api
propNames
=
(
'Comments'
,
'InternalName'
,
'ProductName'
,
'CompanyName'
,
'LegalCopyright'
,
'ProductVersion'
,
'FileDescription'
,
'LegalTrademarks'
,
'PrivateBuild'
,
'FileVersion'
,
'OriginalFilename'
,
'SpecialBuild'
)
props
=
{
'FixedFileInfo'
:
None
,
'StringFileInfo'
:
None
,
'FileVersion'
:
None
}
try
:
# backslash as parm returns dictionary of numeric info corresponding to VS_FIXEDFILEINFO struc
fixedInfo
=
win32api
.
GetFileVersionInfo
(
fname
,
'
\\
'
)
props
[
'FixedFileInfo'
]
=
fixedInfo
props
[
'FileVersion'
]
=
"%d.%d.%d.%d"
%
(
fixedInfo
[
'FileVersionMS'
]
/
65536
,
fixedInfo
[
'FileVersionMS'
]
%
65536
,
fixedInfo
[
'FileVersionLS'
]
/
65536
,
fixedInfo
[
'FileVersionLS'
]
%
65536
)
# \VarFileInfo\Translation returns list of available (language, codepage)
# pairs that can be used to retreive string info. We are using only the first pair.
lang
,
codepage
=
win32api
.
GetFileVersionInfo
(
fname
,
'
\\
VarFileInfo
\\
Translation'
)[
0
]
# any other must be of the form \StringfileInfo\%04X%04X\parm_name, middle
# two are language/codepage pair returned from above
strInfo
=
{}
for
propName
in
propNames
:
strInfoPath
=
u'
\\
StringFileInfo
\\
%04X%04X
\\
%s'
%
(
lang
,
codepage
,
propName
)
## print str_info
strInfo
[
propName
]
=
win32api
.
GetFileVersionInfo
(
fname
,
strInfoPath
)
props
[
'StringFileInfo'
]
=
strInfo
except
:
pass
return
props
# =============================================================================
# Shortcuts, start menu
# =============================================================================
def
get_special_folder_path
(
path_name
):
"""Return special folder path"""
from
win32com
.
shell
import
shell
,
shellcon
for
maybe
in
"""
CSIDL_COMMON_STARTMENU CSIDL_STARTMENU CSIDL_COMMON_APPDATA
CSIDL_LOCAL_APPDATA CSIDL_APPDATA CSIDL_COMMON_DESKTOPDIRECTORY
CSIDL_DESKTOPDIRECTORY CSIDL_COMMON_STARTUP CSIDL_STARTUP
CSIDL_COMMON_PROGRAMS CSIDL_PROGRAMS CSIDL_PROGRAM_FILES_COMMON
CSIDL_PROGRAM_FILES CSIDL_FONTS"""
.
split
():
if
maybe
==
path_name
:
csidl
=
getattr
(
shellcon
,
maybe
)
return
shell
.
SHGetSpecialFolderPath
(
0
,
csidl
,
False
)
raise
ValueError
(
f"
{
path_name
}
is an unknown path ID"
)
def
get_winpython_start_menu_folder
(
current
=
True
):
"""Return WinPython Start menu shortcuts folder"""
if
current
:
# non-admin install - always goes in this user's start menu.
folder
=
get_special_folder_path
(
"CSIDL_PROGRAMS"
)
else
:
try
:
folder
=
get_special_folder_path
(
"CSIDL_COMMON_PROGRAMS"
)
except
OSError
:
# No CSIDL_COMMON_PROGRAMS on this platform
folder
=
get_special_folder_path
(
"CSIDL_PROGRAMS"
)
return
str
(
Path
(
folder
)
/
'WinPython'
)
def
remove_winpython_start_menu_folder
(
current
=
True
):
"""Create WinPython Start menu folder -- remove it if it already exists"""
path
=
get_winpython_start_menu_folder
(
current
=
current
)
if
Path
(
path
).
is_dir
():
try
:
shutil
.
rmtree
(
path
,
onerror
=
onerror
)
except
WindowsError
:
print
(
f"Directory
{
path
}
could not be removed"
,
file
=
sys
.
stderr
,
)
def
create_winpython_start_menu_folder
(
current
=
True
):
"""Create WinPython Start menu folder -- remove it if it already exists"""
path
=
get_winpython_start_menu_folder
(
current
=
current
)
if
Path
(
path
).
is_dir
():
try
:
shutil
.
rmtree
(
path
,
onerror
=
onerror
)
except
WindowsError
:
print
(
f"Directory
{
path
}
could not be removed"
,
file
=
sys
.
stderr
,
)
# create, or re-create !
os
.
mkdir
(
path
)
return
path
def
create_shortcut
(
path
,
description
,
filename
,
arguments
=
""
,
workdir
=
""
,
iconpath
=
""
,
iconindex
=
0
,
):
"""Create Windows shortcut (.lnk file)"""
import
pythoncom
from
win32com
.
shell
import
shell
ilink
=
pythoncom
.
CoCreateInstance
(
shell
.
CLSID_ShellLink
,
None
,
pythoncom
.
CLSCTX_INPROC_SERVER
,
shell
.
IID_IShellLink
,
)
ilink
.
SetPath
(
path
)
ilink
.
SetDescription
(
description
)
if
arguments
:
ilink
.
SetArguments
(
arguments
)
if
workdir
:
ilink
.
SetWorkingDirectory
(
workdir
)
if
iconpath
or
iconindex
:
ilink
.
SetIconLocation
(
iconpath
,
iconindex
)
# now save it.
ipf
=
ilink
.
QueryInterface
(
pythoncom
.
IID_IPersistFile
)
if
not
filename
.
endswith
(
'.lnk'
):
filename
+=
'.lnk'
print
(
f'ipf.save *
{
filename
}
*'
)
try
:
ipf
.
Save
(
filename
,
0
)
except
:
print
(
"a fail !"
)
pass
# =============================================================================
# Misc.
# =============================================================================
def
print_box
(
text
):
"""Print text in a box"""
line0
=
"+"
+
(
"-"
*
(
len
(
text
)
+
2
))
+
"+"
line1
=
"| "
+
text
+
" |"
print
(
(
"
\n
\n
"
+
"
\n
"
.
join
([
line0
,
line1
,
line0
])
+
"
\n
"
)
)
def
is_python_distribution
(
path
):
"""Return True if path is a Python distribution"""
# XXX: This test could be improved but it seems to be sufficient
has_exec
=
Path
(
get_python_executable
(
path
)).
is_file
()
has_site
=
Path
(
get_site_packages_path
(
path
)).
is_dir
()
return
has_exec
and
has_site
# =============================================================================
# Shell, Python queries
# =============================================================================
def
decode_fs_string
(
string
):
"""Convert string from file system charset to unicode"""
charset
=
sys
.
getfilesystemencoding
()
if
charset
is
None
:
charset
=
locale
.
getpreferredencoding
()
return
string
.
decode
(
charset
)
def
exec_shell_cmd
(
args
,
path
):
"""Execute shell command (*args* is a list of arguments) in *path*"""
# print " ".join(args)
process
=
subprocess
.
Popen
(
args
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
cwd
=
path
,
shell
=
True
,
)
return
decode_fs_string
(
process
.
stdout
.
read
())
def
exec_run_cmd
(
args
,
path
=
None
):
"""run a single command (*args* is a list of arguments) in optional *path*"""
# only applicable to Python-3.5+
# python-3.7+ allows to replace "stdout and stderr ", per "capture_output=True"
if
path
:
process
=
subprocess
.
run
(
args
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
cwd
=
path
)
else
:
process
=
subprocess
.
run
(
args
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
)
return
decode_fs_string
(
process
.
stdout
)
def
get_r_version
(
path
):
"""Return version of the R installed in *path*"""
return
(
exec_shell_cmd
(
'dir ..\README.R*'
,
path
)
.
splitlines
()[
-
3
]
.
split
(
"-"
)[
-
1
]
)
def
get_julia_version
(
path
):
"""Return version of the Julia installed in *path*"""
return
(
exec_shell_cmd
(
'julia.exe -v'
,
path
)
.
splitlines
()[
0
]
.
split
(
" "
)[
-
1
]
)
def
get_nodejs_version
(
path
):
"""Return version of the Nodejs installed in *path*"""
return
exec_shell_cmd
(
'node -v'
,
path
).
splitlines
()[
0
]
def
get_npmjs_version
(
path
):
"""Return version of the Nodejs installed in *path*"""
return
exec_shell_cmd
(
'npm -v'
,
path
).
splitlines
()[
0
]
def
get_pandoc_version
(
path
):
"""Return version of the Pandoc executable in *path*"""
return
(
exec_shell_cmd
(
'pandoc -v'
,
path
)
.
splitlines
()[
0
]
.
split
(
" "
)[
-
1
]
)
def
python_query
(
cmd
,
path
):
"""Execute Python command using the Python interpreter located in *path*"""
the_exe
=
get_python_executable
(
path
)
# debug2021-09-12
print
(
f'"
{
the_exe
}
" -c "
{
cmd
}
"'
,
' * '
,
path
)
return
exec_shell_cmd
(
f'"
{
the_exe
}
" -c "
{
cmd
}
"'
,
path
).
splitlines
()[
0
]
def
python_execmodule
(
cmd
,
path
):
"""Execute Python command using the Python interpreter located in *path*"""
the_exe
=
get_python_executable
(
path
)
exec_shell_cmd
(
f'
{
the_exe
}
-m
{
cmd
}
'
,
path
)
def
get_python_infos
(
path
):
"""Return (version, architecture) for the Python distribution located in
*path*. The version number is limited to MAJOR.MINOR, the architecture is
an integer: 32 or 64"""
is_64
=
python_query
(
'import sys; print(sys.maxsize > 2**32)'
,
path
)
arch
=
{
'True'
:
64
,
'False'
:
32
}.
get
(
is_64
,
None
)
ver
=
python_query
(
"import sys;print(f'{sys.version_info.major}.{sys.version_info.minor}')"
,
path
,
)
if
re
.
match
(
r'([0-9]*)\.([0-9]*)'
,
ver
)
is
None
:
ver
=
None
return
ver
,
arch
def
get_python_long_version
(
path
):
"""Return long version (X.Y.Z) for the Python distribution located in
*path*"""
ver
=
python_query
(
"import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro}')"
,
path
,
)
if
(
re
.
match
(
r'([0-9]*)\.([0-9]*)\.([0-9]*)'
,
ver
)
is
None
):
ver
=
None
return
ver
# =============================================================================
# Patch chebang line (courtesy of Christoph Gohlke)
# =============================================================================
def
patch_shebang_line
(
fname
,
pad
=
b' '
,
to_movable
=
True
,
targetdir
=
""
):
"""Remove absolute path to python.exe in shebang lines, or re-add it"""
import
re
import
sys
import
os
target_dir
=
targetdir
# movable option
if
to_movable
==
False
:
target_dir
=
os
.
path
.
abspath
(
os
.
path
.
dirname
(
fname
))
target_dir
=
(
os
.
path
.
abspath
(
os
.
path
.
join
(
target_dir
,
r'..'
))
+
'
\\
'
)
executable
=
sys
.
executable
if
sys
.
version_info
[
0
]
==
2
:
shebang_line
=
re
.
compile
(
r"(#!.*pythonw?\.exe)"
)
# Python2.7
else
:
shebang_line
=
re
.
compile
(
b"(#!.*pythonw?\.exe)"
)
# Python3+
if
'pypy3'
in
sys
.
executable
:
shebang_line
=
re
.
compile
(
b"(#!.*pypy3w?\.exe)"
)
# Pypy3+
target_dir
=
target_dir
.
encode
(
'utf-8'
)
with
open
(
fname
,
'rb'
)
as
fh
:
initial_content
=
fh
.
read
()
fh
.
close
fh
=
None
content
=
shebang_line
.
split
(
initial_content
,
maxsplit
=
1
)
if
len
(
content
)
!=
3
:
return
exe
=
os
.
path
.
basename
(
content
[
1
][
2
:])
content
[
1
]
=
(
b'#!'
+
target_dir
+
exe
)
# + (pad * (len(content[1]) - len(exe) - 2))
final_content
=
b''
.
join
(
content
)
if
initial_content
==
final_content
:
return
try
:
with
open
(
fname
,
'wb'
)
as
fo
:
fo
.
write
(
final_content
)
fo
.
close
fo
=
None
print
(
"patched"
,
fname
)
except
Exception
:
print
(
"failed to patch"
,
fname
)
# =============================================================================
# Patch shebang line in .py files
# =============================================================================
def
patch_shebang_line_py
(
fname
,
to_movable
=
True
,
targetdir
=
""
):
"""Changes shebang line in '.py' file to relative or absolue path"""
import
fileinput
import
re
import
sys
if
sys
.
version_info
[
0
]
==
2
:
# Python 2.x doesn't create .py files for .exe files. So, Moving
# WinPython doesn't break running executable files.
return
if
to_movable
:
exec_path
=
'#!.\python.exe'
if
'pypy3'
in
sys
.
executable
:
# PyPy !
exec_path
=
'#!.\pypy3.exe'
else
:
exec_path
=
'#!'
+
sys
.
executable
for
line
in
fileinput
.
input
(
fname
,
inplace
=
True
):
if
re
.
match
(
'^#\!.*python\.exe$'
,
line
)
is
not
None
:
print
(
exec_path
)
elif
re
.
match
(
'^#\!.*pypy3\.exe$'
,
line
)
is
not
None
:
# PyPy !
print
(
exec_path
)
else
:
print
(
line
,
end
=
''
)
# =============================================================================
# Guess encoding (shall rather be utf-8 per default)
# =============================================================================
def
guess_encoding
(
csv_file
):
"""guess the encoding of the given file"""
# UTF_8_BOM = "\xEF\xBB\xBF"
# Python behavior on UTF-16 not great on write, so we drop it
with
io
.
open
(
csv_file
,
"rb"
)
as
f
:
data
=
f
.
read
(
5
)
if
data
.
startswith
(
b"
\xEF
\xBB
\xBF
"
):
# UTF-8 with a "BOM" (normally no BOM in utf-8)
return
[
"utf-8-sig"
]
else
:
# in Windows, guessing utf-8 doesn't work, so we have to try
try
:
with
io
.
open
(
csv_file
,
encoding
=
"utf-8"
)
as
f
:
preview
=
f
.
read
(
222222
)
return
[
"utf-8"
]
except
:
return
[
locale
.
getdefaultlocale
()[
1
],
"utf-8"
]
# =============================================================================
# Patch sourcefile (instead of forking packages)
# =============================================================================
def
patch_sourcefile
(
fname
,
in_text
,
out_text
,
silent_mode
=
False
):
"""Replace a string in a source file"""
import
io
if
Path
(
fname
).
is_file
()
and
not
in_text
==
out_text
:
the_encoding
=
guess_encoding
(
fname
)[
0
]
with
io
.
open
(
fname
,
'r'
,
encoding
=
the_encoding
)
as
fh
:
content
=
fh
.
read
()
new_content
=
content
.
replace
(
in_text
,
out_text
)
if
not
new_content
==
content
:
if
not
silent_mode
:
print
(
"patching "
,
fname
,
"from"
,
in_text
,
"to"
,
out_text
,
)
with
io
.
open
(
fname
,
'wt'
,
encoding
=
the_encoding
)
as
fh
:
fh
.
write
(
new_content
)
# =============================================================================
# Patch sourcelines (instead of forking packages)
# =============================================================================
def
patch_sourcelines
(
fname
,
in_line_start
,
out_line
,
endline
=
'
\n
'
,
silent_mode
=
False
,
):
"""Replace the middle of lines between in_line_start and endline """
import
io
if
Path
(
fname
).
is_file
():
the_encoding
=
guess_encoding
(
fname
)[
0
]
with
io
.
open
(
fname
,
'r'
,
encoding
=
the_encoding
)
as
fh
:
contents
=
fh
.
readlines
()
content
=
""
.
join
(
contents
)
for
l
in
range
(
len
(
contents
)):
if
contents
[
l
].
startswith
(
in_line_start
):
begining
,
middle
=
(
in_line_start
,
contents
[
l
][
len
(
in_line_start
) :],
)
ending
=
""
if
middle
.
find
(
endline
)
>
0
:
ending
=
endline
+
endline
.
join
(
middle
.
split
(
endline
)[
1
:]
)
middle
=
middle
.
split
(
endline
)[
0
]
middle
=
out_line
new_line
=
begining
+
middle
+
ending
if
not
new_line
==
contents
[
l
]:
if
not
silent_mode
:
print
(
"patching "
,
fname
,
" from
\n
"
,
contents
[
l
],
"
\n
to
\n
"
,
new_line
,
)
contents
[
l
]
=
new_line
new_content
=
""
.
join
(
contents
)
if
not
new_content
==
content
:
# if not silent_mode:
# print("patching ", fname, "from", content, "to", new_content)
with
io
.
open
(
fname
,
'wt'
,
encoding
=
the_encoding
)
as
fh
:
try
:
fh
.
write
(
new_content
)
except
:
print
(
"impossible to patch"
,
fname
,
"from"
,
content
,
"to"
,
new_content
,
)
# =============================================================================
# Extract functions
# =============================================================================
def
_create_temp_dir
():
"""Create a temporary directory and remove it at exit"""
tmpdir
=
tempfile
.
mkdtemp
(
prefix
=
'wppm_'
)
atexit
.
register
(
lambda
path
:
shutil
.
rmtree
(
path
,
onerror
=
onerror
),
tmpdir
,
)
return
tmpdir
def
extract_exe
(
fname
,
targetdir
=
None
,
verbose
=
False
):
"""Extract .exe archive to a temporary directory (if targetdir
is None). Return the temporary directory path"""
if
targetdir
is
None
:
targetdir
=
_create_temp_dir
()
extract
=
'7z.exe'
assert
is_program_installed
(
extract
), (
f"Required program '
{
extract
}
' was not found"
)
bname
=
Path
(
fname
).
name
args
=
[
'x'
,
f'-o
{
targetdir
}
'
,
'-aos'
,
bname
]
if
verbose
:
retcode
=
subprocess
.
call
(
[
extract
]
+
args
,
cwd
=
str
(
Path
(
fname
).
parent
)
)
else
:
p
=
subprocess
.
Popen
(
[
extract
]
+
args
,
cwd
=
str
(
Path
(
fname
).
parent
),
stdout
=
subprocess
.
PIPE
,
)
p
.
communicate
()
p
.
stdout
.
close
()
retcode
=
p
.
returncode
if
retcode
!=
0
:
raise
RuntimeError
(
f"Failed to extract
{
fname
}
(return code:
{
retcode
}
)"
)
return
targetdir
def
extract_archive
(
fname
,
targetdir
=
None
,
verbose
=
False
):
"""Extract .zip, .exe (considered to be a zip archive) or .tar.gz archive
to a temporary directory (if targetdir is None).
Return the temporary directory path"""
if
targetdir
is
None
:
targetdir
=
_create_temp_dir
()
else
:
try
:
os
.
mkdir
(
targetdir
)
except
:
pass
if
Path
(
fname
).
suffix
in
(
'.zip'
,
'.exe'
):
obj
=
zipfile
.
ZipFile
(
fname
,
mode
=
"r"
)
elif
fname
.
endswith
(
'.tar.gz'
):
obj
=
tarfile
.
open
(
fname
,
mode
=
'r:gz'
)
else
:
raise
RuntimeError
(
f"Unsupported archive filename
{
fname
}
"
)
obj
.
extractall
(
path
=
targetdir
)
return
targetdir
WININST_PATTERN
=
r'([a-zA-Z0-9\-\_]*|[a-zA-Z\-\_\.]*)-([0-9\.\-]*[a-z]*[0-9]?)(-Qt-([0-9\.]+))?.(win32|win\-amd64)(-py([0-9\.]+))?(-setup)?\.exe'
# SOURCE_PATTERN defines what an acceptable source package name is
# As of 2014-09-08 :
# - the wheel package format is accepte in source directory
# - the tricky regexp is tuned also to support the odd jolib naming :
# . joblib-0.8.3_r1-py2.py3-none-any.whl,
# . joblib-0.8.3-r1.tar.gz
SOURCE_PATTERN
=
r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z]*[\-]?[0-9]*)(\.zip|\.tar\.gz|\-(py[2-7]*|py[2-7]*\.py[2-7]*)\-none\-any\.whl)'
# WHEELBIN_PATTERN defines what an acceptable binary wheel package is
# "cp([0-9]*)" to replace per cp(34) for python3.4
# "win32|win\_amd64" to replace per "win\_amd64" for 64bit
WHEELBIN_PATTERN
=
r'([a-zA-Z0-9\-\_\.]*)-([0-9\.\_]*[a-z0-9\+]*[0-9]?)-cp([0-9]*)\-[0-9|c|o|n|e|p|m]*\-(win32|win\_amd64)\.whl'
def
get_source_package_infos
(
fname
):
"""Return a tuple (name, version) of the Python source package"""
if
fname
[
-
4
:]
==
'.whl'
:
return
Path
(
fname
).
name
.
split
(
"-"
)[:
2
]
match
=
re
.
match
(
SOURCE_PATTERN
,
Path
(
fname
).
name
)
if
match
is
not
None
:
return
match
.
groups
()[:
2
]
def
build_wininst
(
root
,
python_exe
=
None
,
copy_to
=
None
,
architecture
=
None
,
verbose
=
False
,
installer
=
'bdist_wininst'
,
):
"""Build wininst installer from Python package located in *root*
and eventually copy it to *copy_to* folder.
Return wininst installer full path."""
if
python_exe
is
None
:
python_exe
=
sys
.
executable
assert
Path
(
python_exe
).
is_file
()
cmd
=
[
python_exe
,
'setup.py'
,
'build'
]
if
architecture
is
not
None
:
archstr
=
(
'win32'
if
architecture
==
32
else
'win-amd64'
)
cmd
+=
[
f'--plat-name=
{
archstr
}
'
]
cmd
+=
[
installer
]
# root = a tmp dir in windows\tmp,
if
verbose
:
subprocess
.
call
(
cmd
,
cwd
=
root
)
else
:
p
=
subprocess
.
Popen
(
cmd
,
cwd
=
root
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
)
p
.
communicate
()
p
.
stdout
.
close
()
p
.
stderr
.
close
()
distdir
=
str
(
Path
(
root
)
/
'dist'
)
if
not
Path
(
distdir
).
is_dir
():
raise
RuntimeError
(
"Build failed: see package README file for further"
" details regarding installation requirements.
\n
\n
"
"For more concrete debugging infos, please try to build "
"the package from the command line:
\n
"
"1. Open a WinPython command prompt
\n
"
"2. Change working directory to the appropriate folder
\n
"
"3. Type `python setup.py build install`"
)
pattern
=
WININST_PATTERN
.
replace
(
r'(win32|win\-amd64)'
,
archstr
)
for
distname
in
os
.
listdir
(
distdir
):
match
=
re
.
match
(
pattern
,
distname
)
if
match
is
not
None
:
break
# for wheels (winpython here)
match
=
re
.
match
(
SOURCE_PATTERN
,
distname
)
if
match
is
not
None
:
break
match
=
re
.
match
(
WHEELBIN_PATTERN
,
distname
)
if
match
is
not
None
:
break
else
:
raise
RuntimeError
(
f"Build failed: not a pure Python package?
{
distdir
}
"
)
src_fname
=
str
(
Path
(
distdir
)
/
distname
)
if
copy_to
is
None
:
return
src_fname
else
:
dst_fname
=
str
(
Path
(
copy_to
)
/
distname
)
shutil
.
move
(
src_fname
,
dst_fname
)
if
verbose
:
print
(
(
f"Move:
{
src_fname
}
-->
{
dst_fname
}
"
)
)
# remove tempo dir 'root' no more needed
shutil
.
rmtree
(
root
,
onerror
=
onerror
)
return
dst_fname
def
buildflit_wininst
(
root
,
python_exe
=
None
,
copy_to
=
None
,
architecture
=
None
,
# shall be unused
verbose
=
False
,
installer
=
'bdist_wininst'
,
# unused
):
"""Build wininst installer from Python package located in *root*
with flit"""
if
python_exe
is
None
:
python_exe
=
sys
.
executable
assert
Path
(
python_exe
).
is_file
()
cmd
=
[
python_exe
,
'-m'
,
'flit'
,
'build'
]
if
architecture
is
not
None
:
archstr
=
(
'win32'
if
architecture
==
32
else
'win-amd64'
)
# root = a tmp dir in windows\tmp,
if
verbose
:
subprocess
.
call
(
cmd
,
cwd
=
root
)
else
:
p
=
subprocess
.
Popen
(
cmd
,
cwd
=
root
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
)
p
.
communicate
()
p
.
stdout
.
close
()
p
.
stderr
.
close
()
distdir
=
str
(
Path
(
root
)
/
'dist'
)
if
not
Path
(
distdir
).
is_dir
():
raise
RuntimeError
(
"Build failed: see package README file for further"
" details regarding installation requirements.
\n
\n
"
"For more concrete debugging infos, please try to build "
"the package from the command line:
\n
"
"1. Open a WinPython command prompt
\n
"
"2. Change working directory to the appropriate folder
\n
"
"3. Type `python -m filt build`"
)
pattern
=
WININST_PATTERN
.
replace
(
r'(win32|win\-amd64)'
,
archstr
)
for
distname
in
os
.
listdir
(
distdir
):
match
=
re
.
match
(
pattern
,
distname
)
if
match
is
not
None
:
break
# for wheels (winpython here)
match
=
re
.
match
(
SOURCE_PATTERN
,
distname
)
if
match
is
not
None
:
break
match
=
re
.
match
(
WHEELBIN_PATTERN
,
distname
)
if
match
is
not
None
:
break
else
:
raise
RuntimeError
(
f"Build failed: not a pure Python package?
{
distdir
}
"
)
src_fname
=
str
(
Path
(
distdir
)
/
distname
)
if
copy_to
is
None
:
return
src_fname
else
:
dst_fname
=
str
(
Path
(
copy_to
)
/
distname
)
shutil
.
move
(
src_fname
,
dst_fname
)
if
verbose
:
print
(
(
f"Move:
{
src_fname
}
-->
{
dst_fname
}
"
)
)
# remove tempo dir 'root' no more needed
shutil
.
rmtree
(
root
,
onerror
=
onerror
)
return
dst_fname
def
direct_pip_install
(
fname
,
python_exe
=
None
,
architecture
=
None
,
verbose
=
False
,
install_options
=
None
,
):
"""Direct install via pip !"""
copy_to
=
str
(
Path
(
fname
).
parent
)
if
python_exe
is
None
:
python_exe
=
sys
.
executable
assert
Path
(
python_exe
).
is_file
()
myroot
=
str
(
Path
(
python_exe
).
parent
)
cmd
=
[
python_exe
,
'-m'
,
'pip'
,
'install'
]
if
install_options
:
cmd
+=
install_options
# typically ['--no-deps']
print
(
'pip install_options'
,
install_options
)
cmd
+=
[
fname
]
if
verbose
:
subprocess
.
call
(
cmd
,
cwd
=
myroot
)
else
:
p
=
subprocess
.
Popen
(
cmd
,
cwd
=
myroot
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
)
stdout
,
stderr
=
p
.
communicate
()
the_log
=
f"
{
stdout
}
"
+
f"
\n
{
stderr
}
"
if
(
' not find '
in
the_log
or
' not found '
in
the_log
):
print
(
f"Failed to Install:
\n
{
fname
}
\n
"
)
print
(
f"msg:
{
the_log
}
"
)
raise
RuntimeError
p
.
stdout
.
close
()
p
.
stderr
.
close
()
src_fname
=
fname
if
copy_to
is
None
:
return
src_fname
else
:
if
verbose
:
print
(
f"Installed
{
src_fname
}
"
)
return
src_fname
def
do_script
(
this_script
,
python_exe
=
None
,
copy_to
=
None
,
architecture
=
None
,
verbose
=
False
,
install_options
=
None
,
):
"""Execute a script (get-pip typically)"""
if
python_exe
is
None
:
python_exe
=
sys
.
executable
myroot
=
os
.
path
.
dirname
(
python_exe
)
# cmd = [python_exe, myroot + r'\Scripts\pip-script.py', 'install']
cmd
=
[
python_exe
]
if
install_options
:
cmd
+=
install_options
# typically ['--no-deps']
print
(
'script install_options'
,
install_options
)
if
this_script
:
cmd
+=
[
this_script
]
# print('build_wheel', myroot, cmd)
print
(
"Executing "
,
cmd
)
if
verbose
:
subprocess
.
call
(
cmd
,
cwd
=
myroot
)
else
:
p
=
subprocess
.
Popen
(
cmd
,
cwd
=
myroot
,
stdout
=
subprocess
.
PIPE
,
stderr
=
subprocess
.
PIPE
,
)
p
.
communicate
()
p
.
stdout
.
close
()
p
.
stderr
.
close
()
if
verbose
:
print
(
"Executed "
,
cmd
)
return
'ok'
if
__name__
==
'__main__'
:
print_box
(
"Test"
)
dname
=
sys
.
prefix
print
((
dname
+
':'
,
'
\n
'
,
get_python_infos
(
dname
)))
# dname = r'E:\winpython\sandbox\python-2.7.3'
# print dname+':', '\n', get_python_infos(dname)
tmpdir
=
r'D:\Tests\winpython_tests'
if
not
Path
(
tmpdir
).
is_dir
():
os
.
mkdir
(
tmpdir
)
print
(
(
extract_archive
(
str
(
Path
(
r'D:\WinP\bd37'
)
/
'packages.win-amd64'
/
'python-3.7.3.amd64.zip'
),
tmpdir
,
)
)
)
Back
|
FazBrowse Home
|
New Git URL