Uses of Pep : This PEP proposes that the Installing Python Modules guide be updated to officially recommend the use of pip as the default installer for Python packages, rather than the current approach of recommending the direct invocation of the setup.py install command. Use of Pip : pip has been chosen as the preferred default installer, as it is an already popular tool that addresses several design and user experience issues with its predecessor easy_install (these issues can't readily be fixed in easy_install itself due to backwards compatibility concerns). pip is also well suited to working within the bounds of a single Python runtime installation (including associated virtual environments), which is a desirable feature for a tool bundled with CPython. Other tools like zc.buildout and conda are more ambitious in their aims (and hence substantially better than pip ...
PYTHONPATH is an environment variable which the user can set to add additional directories that the user wants Python to add to the sys.path directory list. In short, we can say that it is an environment variable that you set before running the Python interpreter. Mostly you should not set these variables as they are not needed for Python to execute normal programs because it knows where its standard library is to be found. PYTHONPATH is used to help in importing the modules. So, when you import modules in your Python scripts, PYTHONPATH is also checked to see which directories might contain the imported module. How to add to the PYTHONPATH in windows? My Computer > Properties > Advanced System Settings > Environment Variables > Click the “New” button in the top half of the dialog, to make a new user variable. Give the variable name as PYTHONPATH and the value is the path to the code directory. C lick OK and then OK to save this variable. To confirm PYTHONPATH,...
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