Remove 'metadata.widgets' entry from Google Colab notebook

remove_widgets.py

%%writefile remove_widgets.py

# pip install nbformat

import nbformat
from nbformat import v4
import glob

def remove_widgets_metadata(notebook_path):
    """Removes the 'metadata.widgets' entry from the notebook, preserving cell outputs."""
    try:
        with open(notebook_path, 'r', encoding='utf-8') as f:
            notebook = nbformat.read(f, as_version=4)

        if 'widgets' in notebook.metadata:
            del notebook.metadata['widgets']
            print(f"'metadata.widgets' removed from '{notebook_path}'.")
        else:
            print(f"'metadata.widgets' not found in '{notebook_path}'. No action needed.")

        with open(notebook_path, 'w', encoding='utf-8') as f:
            nbformat.write(notebook, f)
        print(f"Notebook '{notebook_path}' saved with updated metadata.")

    except FileNotFoundError:
        print(f"Error: Notebook '{notebook_path}' not found. Please ensure the notebook is saved and provide the correct path.")
    except Exception as e:
        print(f"An error occurred: {e}")

# Dynamically find the current notebook's filename
notebook_files = glob.glob('*.ipynb')

if notebook_files:
    # Assuming the first .ipynb file found is the current one.
    # If you have multiple .ipynb files in your Colab environment
    # and this is not the correct one, you might need to adjust this manually.
    current_notebook_path = notebook_files[0]
    print(f"Detected notebook: {current_notebook_path}")
    remove_widgets_metadata(notebook_path=current_notebook_path)
else:
    print("No .ipynb files found in the current directory. Please save your notebook first.")