Python Linter installation issue with VScode - python

[warning VSCode newbie here]
When installing pylinter from within VScode I got this message:
The script isort.exe is installed in 'C:\Users\fjanssen\AppData\Roaming\Python\Python37\Scripts' which is not on PATH.
Which is correct. However, my Python is installed in C:\Program Files\Python37\
So I am thinking Python is installed for all users, while pylinter seems to be installed for the user (me).
Checking the command-line that VScode threw to install pylinter it indeed seems to install for the user:
& "C:/Program Files/Python37/python.exe" -m pip install -U pylint --user
So, I have some questions on resolving this issue;
1 - how can I get the immediate issue resolved?
- remove pylinter as user
- re-install for all users
2 - Will this (having python installed for all users) keep bugging me in the future?
- should I re-install python for the current user only when using it with VScode?

If the goal is to simply use pylint with VS Code, then you don't need to install it globally. Create a virtual environment and select that in VS Code as your Python interpreter and then pylint will be installed there instead of globally. That way you don't have to worry about PATH.

Related

What is the difference between installing a package in my Windows CMD and in VS Code terminal?

I am doing this project where i need to install a package called Twint.
I want to install this package and use it's commands in my VS Code.
What happends when i for example type this in my Windows CMD?
pip3 install --user --upgrade git+https://github.com/twintproject/twint.git#origin/master#egg=twint
Because i can't type this in my VS code terminal, where i usually install packages with pip.
It will return an error that says ERROR: Cannot find command 'git' - do you have 'git' installed and in your PATH?''
Now if i run this in my Windows Command it seems that i can't directly import the package in VS code?
Can anyone help me out with this confusion, where does the files get stored and how do i create good habbits around installing packages?
Hope someone understands what im struggeling with here.
Best
It is often the case that computers have more than one version of python installed and that editors like VS code use a different version than pip uses on the command line. pip installs packages where the version of python it is linked to expects them to be, but VScode doesn't know to look there.
It sounds like you have git installed where pip installs things, so you can upgrade from the command line without issue, but there's no installation of git where VScode is looking, so there's nothing to upgrade.
You either need to find where pip installs things and add it to the $PATH VScode uses, or try running a variation of python -m pip install --user git (specifying a specific url, or other things, as needed) from within VScode, which will ensure the package gets installed in a place that VScode looks for packages.
Download and Install git in your windows from here:
https://git-scm.com/download/win
Then add its installation bin path to your windows's environment path. Then you will find the git command at the command prompt globally.
This may solve you problem.

Python 3.9 uninstalled & deleted, yet being prioritized in command line. "fatal error in launcher"

py --version shows 3.10 which was installed manually in Windows, not from cmd
Pip install attempts to run with 3.9, then throws the error:
no "\\python39\\python.exe" nor "Scripts\\pip.exe"
How do I prioritise running with new version ?
Tried
Deleted path env. variables and 3.9 launcher, didn't solve.
up to date: pip setuptools wheel,
forced pip installs
You may need to do the following:
Restart computer / environment
Check start folder to see if you have Python there still
Run python3.9 in CMD to see if an exe is still in PATH
A quick fix would be to use:
pip3.10 install # package here
Have you rebooted your system after modifying the environment variables?
Some applications only detect changes after a full system reboot.

Getting error while saving python file: There is no Pip installer available in the selected environment

I'm getting an error "There is no Pip installer available in the selected environment." when saving python files in Visual Studio Code. I have pip3 installed, and it's available from the terminal. I have selected the python interpreter in the VS Code. I also tried manually installing autopep8 with pip3 in the project directory. But the error still occurs. Unfortunately, these are the only solutions I was able to find on the internet, but none of them worked. I use Lenovo's Chromebook, which is Debian-based. Does anyone have any clue how to solve the issue?
Selected interpreter:
You obviously have installed multiple Python environments on your system. The one in /usr/bin is usually the one installed by your system's package manager (apt on Debian) and most probably the default one that is used if you just call the python commands without absolute path from your shell. You can verify that by calling:
which python3
which pip3
I assume that both binaries are used from /usr/bin/.
Your Python installation selected in VS code is located in /usr/local/bin, which probably has been installed from a different origin (maybe you have compiled Python from source?). If VS code complains that no pip has been found in your selected environment, probably /usr/local/bin/pip3 does not exist for some reason. You can verify that by calling:
ls /usr/local/bin/pip3
Easiest solution to this would be to select the /usr/bin/python3 environment in VS code.
If you really need the Python version from /usr/local/bin, find out where this installation came from and complete it in order to have pip3 there as well.
The most sustainable solution, however, would be to use a virtual environment. This would make your Python version system-independent and you have full control over the packages in there.
I think you should check in your terminal "pip3 freeze" command, if it shows some list , then pip is working, otherwise you should check the environment variable in your system for pip3.

Pip is selecting wrong path

I'm using windows 10 and I got rid of python 3.8 and installed 3.7 as the only python version on my system.
When trying to install libraries using pip I now get the error:
Fatal error in launcher: Unable to create process using '"c:\users\user\appdata\local\programs\python\python38-32\python.exe" "C:\Users\User\AppData\Local\Programs\Python\Python38-32\Scripts\pip.exe" install pygame_menu': The system cannot find the file specified.
when I checked in the console which -a pip I got:
C:\Users\User>which -a pip
/cygdrive/c/Users/User/AppData/Local/Programs/Python/Python38-32/Scripts/pip
/cygdrive/c/Users/User/AppData/Local/Programs/Python/Python37/Scripts/pip
Now when I look for Python in my variable path it is alright...
Anyways I can't figure out how to change the path of pip so the right one is selected... besides its pretty weird that ive uninstalled python and pip multiple times and it still gets it wrong every time during installation.
Thanks
For me this solution did the job, thanks itsAPK
python -m pip install --upgrade --force-reinstall pip
The cause of this problem was me installing python from Microsoft store and having another version installed from the default installer, when I removed the Microsoft store version it was prompting me with errors.
to fix do this :
check if you still have the python38-32 folder in your local variable list
Delete the "%userprofile%\AppData\Local\Programs\Python\Python38" folder
run pip from command line
if the problem still persists then type "environment variables" in the windows search box
and add "%userprofile%\AppData\Local\Programs\Python\Python37" to your system variable named "Path"
This should completely fix your problem
if not
uninstall all the python files including py launcher
reinstall python # when installing you must select ADD PYTHON to system environment variable
When I was facing the same issue I fixed it by checking the python version pointed to by pip3.x executable. The pip3.10 was pointing to /usr/bin/python9 which was causing problems with package installation.
Just check if your pip3.x is pointing to the correct python version.
vim $HOME/.local/bin/pip3.10
Python version is on the first line (starting with the '#').

Ambiguity on Python Installation

So I am new to Python and installed it using guidelines from various websites, as I want to try basic examples before moving on the advanced python concepts. Below is my understanding and installation tasks that I performed.
1) Installed Python 2.7 form the website.
2) Installed Anaconda as I read that it has pre installed libraries.
3) Downloaded pip file and ran it on the Python interpreter and it was done successfully, but when I try using pip install ipython , it throws an error saying pip is not defined.
4)Now I downloaded Pycharm as a IDE, done successfully.
5) Programs run perfectly, but I see many instances of Ipthon on every related website and I am not able to understand if I need it. Ipython is used for web I guess but I really don't understand how to integrate everything. Please guide me.
Thanks in advance.
If you are using windows, pip error is probably related to environmental variables not being set.
See this answer for details on pip
Adding Python Path on Windows 7
response to comment
Ipython is not necessary, but it will make life easier. I use command prompt and am not familiar with installing packages with Pycharm or anaconda.
If Pip is installed, and the Windows environmental variable is not set, you can still use pip.
1) open a windows command prompt as administrator
2) navigate to your python installation ( default Directory is C:\Python27 )
3) navigate to scripts folder (default dir C:\Python27\Scripts)
4) type 'pip'
5) type 'pip freeze' to see packages installed with pip. Note: pip does not keep track of packages installed with conda
If you were able to complete those steps, changing the PATH variable to include the scripts directory will allow you to run pip by simply typing 'pip' from anywhere.
To install Ipython:
From command prompt with administrator rights:
'pip install ipython[all]'

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