How do I install Numba?

[Fausto A. A. Barbuto]

Hi,

Spyder comes with several pre-installed packages by default, but Numba is an exception. I have 

several scripts that use this package and want to have it installed. How can that be done?

Putting it as a more general question: how do I install packages with/on Spyder?

F.

[Tetuko Kurniawan]

Try to check this (previous) email:

https://groups.google.com/g/spyderlib/c/ekeSOVXeEWc/m/hk7U9_xXBAAJ

bests,

TK

[Fausto A. A. Barbuto]

Very clever. However, there a few additional complications here:

1. This is a Windows 11 installation and I'm no longer using Conda trash (sorry, but I

forgot to mention this);

2. Numba is Numba. It's installation is a bit more convoluted because it has a tradition

of lagging behind its dependencies (Numpy being one of them). Make a mistake and your

whole Spyder setup gets compromised;

3. What (might have) worked in the past doesn't necessarily work today.

Regards,

F.

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[Tetuko Kurniawan]

hi,

i also use win11.

1. spyder standdalone

2. install python on windows

3. then use pip to install numba and manage package version/dependencies.

you can create your own environment.

4. change interpreter in spyder to your python installation.

best

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[Fausto A. A. Barbuto]

Hello,

On Wed, Feb 28, 2024 at 2:18 PM Tetuko Kurniawan <tetuk...@gmail.com> wrote:

 

i also use win11.

1. spyder standdalone

2. install python on windows

I had a Python installation well before I downloaded Spyder's installer.

 

3. then use pip to install numba and manage package version/dependencies.

Easier said than done. But I had tried this, too. Like,

python -m pip --target C:\Progra~1\Spyder\pkgs

(pkgs is where packages like numpy, etc, sit) and got tons of error messages rolling up 

my screen. I will not copy & paste them here, obviously. The naked truth is that Spyder's

Python installation should come with its own pip -- but it doesn't.

 

you can create your own environment.

No, thanks. 😁 I have no bias against having a separate environment, though. I simply 

never had one before and ain't looking for extra trouble.

 

4. change interpreter in spyder to your python installation.

I did this too, and it didn't work. I wonder if I did it the right way. Or if there's a trick I

am unaware of. 

best

Thanks for the exchange.

F. 

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[Fausto A. A. Barbuto]

Hello,

I finally found a way to install numba on Spyder. It was easier than I thought.

1. Download get-pip.py:

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

2. Move get-pip.py into C:\...\Spyder\Python

3. Run (on a cmd window with Administrator rights, if necessary):

cd C:\...\Spyder\Python

python get-pip.py

This will get pip and will place it in C:\...\Spyder\Python\Scripts

4. Change directory to the aforementioned folder and run pip:

cd Spyder

pip install -U numba

Sit back and watch. It should work with no error messages.

Should Spyder be open, close it and open it again (I mean, restart it). Everything 

should be fine now.

Fausto