Add custom CSS support to JupyterLab launcher

Author: Neel Shah

src/graph_notebook/jupyter_profile/custom/custom.css

@@ -0,0 +1,8 @@
+/*
+Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+SPDX-License-Identifier: Apache-2.0
+*/
+
+.jp-ImageViewer img {
+    pointer-events: none;
+}

src/graph_notebook/start_jupyterlab.py

@@ -4,20 +4,31 @@
 """
 
 import os
+import shutil
 import argparse
+from pathlib import Path
 from graph_notebook.ipython_profile.configure_ipython_profile import configure_magics_extension
 
 
+def install_custom_css():
+    config_dir = Path(os.environ.get('JUPYTER_CONFIG_DIR', os.path.expanduser('~/.jupyter')))
+    dest = config_dir / 'custom'
+    dest.mkdir(parents=True, exist_ok=True)
+    src = Path(__file__).parent / 'jupyter_profile' / 'custom' / 'custom.css'
+    shutil.copy2(src, dest / 'custom.css')
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument('--jupyter-dir', default='', type=str, help='The directory to start Jupyter from.')
 
     args = parser.parse_args()
 
     configure_magics_extension()
+    install_custom_css()
 
     jupyter_dir = '~/notebook/destination/dir' if args.jupyter_dir == '' else args.jupyter_dir
-    os.system(f'''jupyter lab {jupyter_dir}''')
+    os.system(f'''jupyter lab --custom-css {jupyter_dir}''')
 
 
 if __name__ == '__main__':