All Questions
1,117
questions
-2
votes
1
answer
46
views
I am getting this error Exception ignored in: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='cp1252'> OSError: [Errno 22] Invalid argument
I cat some logfiles into a python script which I then pipe into head as follows:
cat *mongodb.log.* | python jsonFetcher.py -b 20240101000000 -e 20250101000000 | head
the output is as follows, I am ...
- 100
2
votes
1
answer
52
views
Broken pipe passing Python output to C++ input due to size
I'm trying to transform an image into a matrix of it's rbg values in c++, i really like the simplicity of PIL on handling different images extensions, so i currently have two codes
from PIL import ...
0
votes
1
answer
51
views
How to interact with an application on a remote computer via tail?
There is a need to send commands to a remote application via tail. Locally I'm currently using tail, I want to control it remotely, but I can't get it to work.
I tried paramiko libraries, I couldn’t ...
- 11
1
vote
1
answer
62
views
Piping input into running Python script
Maybe this is the wrong approach, so feel free to redirect.
I am trying to asynchronously pipe input into a python script. The idea is that I have a background Python script do some long initial setup ...
- 69
0
votes
0
answers
41
views
Creating a GUI application for creating graphs
I want to create an application with a python user interface for windows.
The purpose of the project is to build a graphical and mathematical model of the thermal network circuit and hydraulic ...
0
votes
1
answer
41
views
multiproccessing broken pipe error when i am trying to send plot data from process
I have made a pyqt5 app to test the microphones. I used pydub and pyaudio modules for this scope. I also plot the microphone data with matplotlib. I have a QDialog, which run an emitter to communicate ...
- 2,289
1
vote
1
answer
28
views
python on Linux: os.pipe() with cumulative byte counter?
Is it possible to get a cumulative count of bytes written to an os.pipe()? I tried os.fdopen(...).tell() but got IOError: [Errno 29] Illegal seek. Is there some other way to wrap the fd to get a ...
- 4,284
1
vote
0
answers
115
views
C++ and Python Named Pipe - Access Denied
I am trying to communicate between a phyton script and a c++ winrt uwp application via named pipes. I have a python server that sends a message to the c++ client. However, I am receiving an "...
- 13
0
votes
2
answers
93
views
Interprocess Communication with multiprocessing.Pipe
I know that this is a frequent question on the forum but I couldn't find answer to my problem.
I need two distinct scripts to communicate via multiprocessing.Pipe.
I have code1.py:
import time
#...
...
- 105
2
votes
1
answer
96
views
(Bad file descriptor error) Pipe between a execl() C and a Python in Python program
I tried to exchange a string between Python and C programs using a pipe(), but I got nothing.
After that I tried to exchange a string between two C programs using a pipe() and everything was fine.
...
- 21
0
votes
1
answer
78
views
Not able to fetch large amount of data through recv() pipe in multiprocessing in Python in lambda function
I have implemented multiprocessing in python using pipe() in lambda fucntion.
I am not able to receive API response in one variable using recv() function.
I tried small amount of data, it is working ...
1
vote
1
answer
109
views
ValueError: Shape of passed values is (8631, 28), indices imply (8631, 17)
step1: pipeline is created
step2: convert pipleine to dataframe
step3: I am trying convert pipeline to data frame but exception is raised. how to solve this problem
step4: how to solve ValueError: ...
- 11
0
votes
1
answer
105
views
Passing bytes from Python to a C++ Subprocess via stdin fails on Windows
I have a python program that runs iterations of a loop. During the loop there is a part of the code that can run in parallel, to do this I decided to use a C++ program that I have pre-compiled and I ...
- 1
0
votes
0
answers
33
views
How does python work with outside pipe and sys.stdin [duplicate]
In a Linux sandbox, I tried to run a python3 script from network by piping python3. And the script also reads data from sys.stdin.
It was a little bit like :
echo 'import sys ; print(f"python ...
- 80
1
vote
0
answers
47
views
Named Pipes in Linux with Python read/write miss some lines of text
I am learning how to use named pipes to pass data between processes. To test it out, I wrote two Python scripts, which I called pipewriter.py and pipereader.py, and a named pipe called my_pipe (using ...
- 2,708