The Pip Package Manager can be used to list both globally and locally installed Python packages.
For the environments use https://conda.io/docs/user-guide/tasks/manage-environments.html to activate the desired environment, then you can pip install or conda install the packages and it will be places safely only in that environment.
Click on the Advanced system settings link on the left panel. Click Environment Variables. Under System Variables, double-click the variable PATH. Click New, and add the directory where pip is installed, e.g. C:Python\Scripts, and select OK.
Why don't you try sudo
with the H
flag? This should do the trick.
sudo -H pip install flake8
A regular sudo pip install flake8
will try to use your own home directory. The -H
instructs it to use the system's home directory. More info at https://stackoverflow.com/a/43623102/
Maybe --force-reinstall
would work, otherwise --ignore-installed
should do the trick.
Where does pip installations happen in python?
I will give a windows solution which I was facing and took a while to solve.
First of all, in windows (I will be taking Windows as the OS here), if you do pip install <package_name>
, it will be by default installed globally (if you have not activated a virtual enviroment).
Once you activate a virtual enviroment and you are inside it, all pip installations will be inside that virtual enviroment.
pip is installing the said packages but not I cannot use them?
For this pip might be giving you a warning that the pip executables like pip3.exe
, pip.exe
are not on your path variable.
For this you might add this path ( usually - C:\Users\<your_username>\AppData\Roaming\Programs\Python\
) to your enviromental variables.
After this restart your cmd
, and now try to use your installed python package. It should work now.
For the Windows case:
Are you using virtualenv
? If yes, deactivate the virtualenv. If you are not using a venv, the package should have already be installed on system level (system-wide). In that case, try to upgrade the package.
pip install flake8 --upgrade
I actually don‘t see your issue. Globally is any package which is in your python3 path‘s site package folder.
If you want to use it just locally then you must configure a virtualenv and reinstall the packages with an activated virtual environment.
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