what is pip install editable mode

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pip install -e is a powerful feature provided by the Python package manager, pip, that allows you to install a Python package in "editable" mode. This means that instead of copying the package files to the site-packages directory, it creates a link to the local source directory. This can be extremely useful during development when you want to make changes to the code and see the effects without reinstalling the package each time.
Make sure you have Python and pip installed on your system. You can check their versions using the following commands:
The basic syntax for installing a package in editable mode is as follows:
Let's create a simple Python package and then install it using pip install -e for an editable installation.
Create a new directory for your Python package. Inside this directory, create a file named setup.py with the following content:
Now, create a Python file named example_module.py inside the package directory with some simple code:
Navigate to the package directory in your terminal and run the following command:
The dot (.) represents the current directory.
Now, you can use the installed package in your Python scripts or interactive sessions. Create a new Python script or use an interactive Python shell and do the following:
This should output:
Make changes to the example_module.py file, and since the package is installed in editable mode, the changes should immediately take effect without the need to reinstall the package.
Using pip install -e is a convenient way to work on Python packages during development. It allows you to make changes to the source code and immediately see the results without the need for repeated installations. This can greatly speed up the development process and make it more efficient.
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