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Questions tagged [sys]

For questions about the Python module named sys. This tag is also used for questions relating to the Sys namespace - the root namespace for the Microsoft AJAX Library, which contains all fundamental classes and base classes.

1100 questions
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Is there a way to check what you are running a python program in?

I want to create a script for just Terminal and IDLE, but I don't know how. Using if 'idlelib' in sys.modules: works for seeing if it is running in IDLE, but is there a way to use the same code to find if it is in Terminal by replacing 'idlelib'?
EnderCodesLol
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Why is 0.5 taking less memory than 1 in python?

I think I understand the concept of how python is storing variables and why certain vars are larger than others. I also googled about float point but that couldn't answer my question: Why is a float e.g. 0.5 is only taking 24 bytes of memory but a…
29thDay
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How is types.SimpleNamespace implemented?

I noticed the types.SimpleNamespace class seems to be recursively implemented. In the types module, the class is defined as type(sys.implementation). However, type(sys.implementation) simply returns types.SimpleNamespace, which wouldn't be possible,…
fluffyyboii
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I got 'EOFError: EOF when reading a line' in the execution of my Python code. How do I fix this?

I'm using Python3.8 to make a program that takes an input from the user with the help of sys.stdin. This is the code: import sys try: file = open(sys.argv[1], "r") source = file.read() file.close() except: source =…
FourPaws
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multiple arguments with sys.stdin in python

I would like to run the python script where the input is taken from unix cat function but I also want to give it few additional arguments in sys.argv, it should run in the following way: cat my_fasta_sequence.txt | get_region.py 193 445 get_region…
Ekat Sim
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How to change part of files names using Sys and Subprocess modules and Linux Bash

I have Python script which reads files names from oldFiles.txt, iterate through files names which are files in a Linux directory, then update the files names using string.replace and finally run a subprocess to find those files (let's say in home…
user13824946
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3 answers

Delete a specific folder with a path as a parameter in python

I want to delete a Folder named "testfolder" and all the subfolders and files in it. I want to give the "testfolder" path as a parameter when calling the python file. For example ...... (testfolder location) and there it should delete the…
noggy
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Passing dictionary arguments through command line and accessing them in a python script

I am trying to pass a dictionary consisting of arguments to a python script and later use that dictionary in the script. I am saving the dictionary in the environment variable of airflow. For example, the script should run on the command line…
Sarvesh Pandey
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Private package was created and pip installed but cannot import with python

I created a private package in TestPyPI The package has successfully pip installed: (base) my_user:Desktop$ python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps charter-common-utils==0.0.1 Looking in indexes:…
sanjayr
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accessing python interpreter from a pyinstaller bundle #2

I'm trying to execute a python script which is included in datas, and bundled into a pyinstaller executable (on a mac). I need to pass parameters to this script, so I can't just exec(open(read()). Outside of pyinstaller, sys.executable is the python…
Jay Jay
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pyttsx3 not working on python 3.7 no module found

I am receiving the following error with the following code import speech_recognition as sr import pyttsx3 engine = pyttsx3.init() engine.runAndWait engine.say("Hello") Traceback (most recent call last): File…
Luis Carnero
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How do I resolve TypeError: '<' not supported between instances of 'int' and 'str'?

I am trying to use the following code to train Keras-I3D model from the following link: https://github.com/srijandas07/i3d. I have slightly modified the code, but I can get it work. imported modules are import os os.environ['KERAS_BACKEND'] =…
SanOlans
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Why is this longer list smaller than this shorter list?

Why is img_list smaller than compressed even though is…
Den Fula Ankungen
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Why does \r in the print function not rewrite the stdout but prints on the next line?

I'm working on a machine learning project, and I want to display the accuracy and progress of my model as a constantly updating statistic in the stdout. However, instead of updating the same line, the statistics are being printed on a new line after…
Farzad
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How to fix "'subprocess.CalledProcessError"

I'm trying to open explorer based on the location of the imported file. The code runs but opens "documents" folder instead of the file path. subprocess.check_call(["explorer", path]). But, if I hard code instead of using path variable it gives me…
Nandan
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