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by: John Abel |
last post by:
Hi!
I'm currently writing a script which launches external programs, but it
keeps leaving zombie/defunct processes behind, until I kill the
launching script, which is a bit of a pain, as it's supposed to be a
daemon. The code I'm using is:
newPid = subprocess.Popen( cmdLine, executable=cmdLine,
close_fds=True ).pid
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by: Darren Dale |
last post by:
I'm a developer on the matplotlib project, and I am having trouble with the
subprocess module on windows (Python 2.4.2 on winXP). No trouble to report
with linux. I need to use _subprocess instead of pywin32, but my trouble
exists with either option:
import subprocess
process = subprocess.Popen(, stderr=subprocess.STDOUT,
stdout=subprocess.PIPE)
stat = process.wait()
print process.stdout.read()
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by: madpython |
last post by:
playing with subprocess.Popen on Windows I stumbled into the following
problem:
Python 2.4.3 (#69, Mar 29 2006, 17:35:34)
IDLE 1.1.3
>>> import subprocess
>>> p1=subprocess.Popen("c:\\asd.bat") #works OK
>>> p2=subprocess.Popen("c:\\asd.bat",stdout=subprocess.PIPE)
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by: Clodoaldo Pinto Neto |
last post by:
Output from the shell:
$ set | grep IFS
IFS=$' \t\n'
Output from subprocess.Popen():
"IFS=' \t\n"
Both outputs for comparison:
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by: Eric_Dexter |
last post by:
I am trying to modify a programming example and I am coming up with
two problems... first is that I can't seem to pass along the
arguments to the external command (I have been able to do that with
the old module and cmd is the command I wish to try) all the output
seems to be returned as one line (at least when I run the program in
spe).
import subprocess
from os import system
cmd = """gawk -f altertime.awk -v time_offset=4 -v
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by: sven _ |
last post by:
Keywords: subprocess stdout stderr unbuffered pty tty pexpect flush setvbuf
I'm trying to find a solution to <URL:http://bugs.python.org/issue1241>. In
short: unless specifically told not to, normal C stdio will use full output
buffering when connected to a pipe. It will use default (typically
unbuffered) output when connected to a tty/pty.
This is why subprocess.Popen() won't work with the following program when
stdout and stderr are...
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by: Mswed |
last post by:
Hi all!
I hope someone can help me out here!
I'm running a GUI in python which is able to launch a separate python process that will run forever. In rare cases I will want to kill the launched process. Every time I do so, I end up with the process as defunct. Can anybody help me clean it up in a nice way?
My code snippets:
#Launching a separate process (no communication in between the process needed)
# When closing the GUI, the...
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by: Jeremy Banks |
last post by:
Hi. I wondered if anyone knew the rationale behind the naming of the
Popen class in the subprocess module. Popen sounds like the a suitable
name for a function that created a subprocess, but the object itself is
a subprocess, not a "popen". It seems that it would be more accurate to
just name the class Subprocess, can anyone explain why this is not the
case?
Thank you.
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by: Evan |
last post by:
Hello -
i'm trying to call subprocess.popen on the 'command-based' function in
linux. When I run the command from the shell, like so:
goset -f ' "%s %s" name addr ' file_name
it works fine
however when I try to do it in python like so:
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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