How to Reload Submodules in IPython Without Reimporting Dependencies?

How to Reload Submodules in IPython Without Reimporting Dependencies

In Python projects featuring submodules and utilizing NumPy and SciPy, managing code changes in submodules can be challenging within an interactive IPython console.

To address this inconvenience, IPython provides automatic reloading capabilities through the magic command %autoreload. By running %autoreload 2, IPython will automatically reload modified modules before executing each line of code. This eliminates the need to manually reload each submodule individually.

Alternatively, you can permanently enable auto-reloading by adding the following lines to your IPython configuration file (~/.ipython/profile_default/ipython_config.py):

c.InteractiveShellApp.extensions = ['autoreload']
c.InteractiveShellApp.exec_lines = ['%autoreload 2']

This setup ensures that submodules are automatically reloaded whenever you make changes, streamlining your workflow and improving productivity.

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