jupyterblack

Format code cells in Jupyter Notebook and JupyterLab using Black.

It's as simple as calling jblack

jblack notebook.ipynb

Install jupyterblack from the command line with pip

pip install jupyterblack

Usage

# Format one Jupyter file:
jblack notebook.ipynb

# Format multiple Jupyter files:
jblack notebook_1.ipynb notebook_2.ipynb [...]

# Format a directory:
jblack python/

# Format one Jupyter file with a line length of 70:
jblack -l 70 notebook.ipynb

# Show help:
jblack -h

Options

positional arguments:
  targets

optional arguments:
  -h, --help            show this help message and exit
  --check
  --pyi
  -l LINE_LENGTH, --line-length LINE_LENGTH
  -s, --skip-string-normalization
  -w WORKERS, --workers WORKERS
                        number of worker processes
  --show-invalid-code
  -t {py27,py33,py34,py35,py36,py37,py38} [{py27,py33,py34,py35,py36,py37,py38} ...], --target-version {py27,py33,py34,py35,py36,py37,py38} [{py27,py33,py34,py35,py36,py37,py38} ...]

Contribute

• Issues Tracker
• Source Code

Support

If you are having issues or would like to propose a new feature, please use the issues tracker.

License

The project is licensed under the MIT license.