build/pkgs/ipywidgets: Patch out dependency on widgetsnbextension, ju…

…pyterlab_widgets

build/pkgs/ipywidgets/patches/0001-setup.py-Move-widgetsnbextension-jupyterlab_widgets-.patch

@@ -0,0 +1,39 @@
+From 1cde8e2dd13a7b2403b69f61f2390b179e2a5fea Mon Sep 17 00:00:00 2001
+From: Matthias Koeppe <[email protected]>
+Date: Tue, 2 Feb 2021 12:46:04 -0800
+Subject: [PATCH] setup.py: Move widgetsnbextension, jupyterlab_widgets from
+ install_requires to extras_require
+
+---
+ setup.py | 8 ++------
+ 1 file changed, 2 insertions(+), 6 deletions(-)
+
+diff --git a/setup.py b/setup.py
+index e544267a..07470e0b 100644
+--- a/setup.py
++++ b/setup.py
+@@ -115,19 +115,15 @@ install_requires = setuptools_args['install_requires'] = [
+     # Requiring nbformat to specify bugfix version which is not required by
+     # notebook.
+     'nbformat>=4.2.0',
+-    # TODO: Dynamically add this dependency
+-    # only if notebook 4.x is installed in this
+-    # interpreter, to allow ipywidgets to be
+-    # installed on bare kernels.
+-    'widgetsnbextension~=3.5.0'
+ ]
+
+ extras_require = setuptools_args['extras_require'] = {
+     ':python_version<"3.3"' : ['ipython>=4.0.0,<6.0.0'],
+     ':python_version>="3.3"': ['ipython>=4.0.0'],
+-    ':python_version>="3.6"': ['jupyterlab_widgets>=1.0.0'],
+     'test:python_version=="2.7"': ['mock'],
+     'test': ['pytest>=3.6.0', 'pytest-cov'],
++    'notebook': ['widgetsnbextension~=3.5.0'],
++    'jupyterlab': ['widgetsnbextension~=3.5.0', 'jupyterlab_widgets>=1.0.0'],
+ }
+
+ if 'setuptools' in sys.modules:
+-- 
+2.28.0
+