[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

New submission from 孑影 :

== output ==
python2 /tmp/demo.py 
31749 task#1 result:(False, 'ls: cannot access alksdfjalkdsfadsfk: No such file 
or directoryn') 
31751 task#2 result:(False, 'ls: cannot access alksdfjalkdsfadsfk: No such file 
or directoryn') 
31752 task#3 result:(False, '3n') 
31750 task#4 result:(False, '4n') 
31749 task#6 result:(False, '6n') 
31752 task#7 result:(False, '7n') 
31750 task#8 result:(False, '8n') 
31751 task#9 result:(False, '9n') 
Traceback (most recent call last):
  File "/tmp/demo.py", line 74, in 
runner()
  File "/tmp/demo.py", line 64, in runner
rc_orig = value.get()
  File "/usr/lib64/python2.7/multiprocessing/pool.py", line 554, in get
raise self._value
ValueError: empty range for randrange() (1,1, 0)

== The python2.7 demo ==
http://paste.ubuntu.org.cn/4379593

== More ==
The interesting thing is if you modify demo.py like this .

http://paste.ubuntu.org.cn/4379595

Almost the code can be run normal.

--
components: Library (Lib)
files: demo.py
messages: 339767
nosy: 孑影
priority: normal
severity: normal
status: open
title: multiprocessing pool + subprocess ValueError: empty range for randrange
versions: Python 3.6
Added file: https://bugs.python.org/file48253/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Removed file: https://bugs.python.org/file48253/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Added file: https://bugs.python.org/file48254/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Added file: https://bugs.python.org/file48255/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Removed file: https://bugs.python.org/file48254/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Removed file: https://bugs.python.org/file48255/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

Change by 孑影 :


Added file: https://bugs.python.org/file48256/demo.py

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[issue36578] multiprocessing pool + subprocess ValueError: empty range for randrange

[孑影]

孑影  added the comment:

My python version info:

Python 2.7.13 (default, Sep 26 2018, 18:42:22) 
[GCC 6.3.0 20170516] on linux2

Python 3.5.3 (default, Sep 27 2018, 17:25:39) 
[GCC 6.3.0 20170516] on linux

--

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