Relax or remove jupyterlab from some packages

pkgs/development/python-modules/anywidget/default.nix

@@ -7,7 +7,6 @@
 , hatchling
 , importlib-metadata
 , ipywidgets
-, jupyterlab
 , psygnal
 , typing-extensions
 , watchfiles
@@ -25,10 +24,17 @@ buildPythonPackage rec {
     hash = "sha256-OUKxmYceEKURJeQTVI7oLT4SdZM90V7BoZf0UykkEV4=";
   };
 
+  # We do not need the jupyterlab build dependency, because we do not need to
+  # build any JS components; these are present already in the PyPI artifact.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab==3.*"' ""
+  '';
+
   nativeBuildInputs = [
     hatch-jupyter-builder
     hatchling
-    jupyterlab
   ];
 
   propagatedBuildInputs = [

pkgs/development/python-modules/bqscales/default.nix

@@ -13,7 +13,6 @@
 buildPythonPackage rec {
   pname = "bqscales";
   version = "0.3.1";
-
   format = "pyproject";
   disabled = pythonOlder "3.6";
 
@@ -22,6 +21,19 @@ buildPythonPackage rec {
     hash = "sha256-C+/GLpqYpePngbn5W0MwvpdmVgFZF7aGHyKMgO5XM90=";
   };
 
+  # We relax dependencies here instead of pulling in a patch because upstream
+  # has released a new version using hatch-jupyter-builder, but it is not yet
+  # trivial to upgrade to that.
+  #
+  # Per https://github.com/bqplot/bqscales/issues/76, jupyterlab is not needed
+  # as a build dependency right now.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab==3.*",' "" \
+      --replace 'jupyter_packaging~=' 'jupyter_packaging>='
+  '';
+
   nativeBuildInputs = [
     hatchling
     jupyter-packaging

pkgs/development/python-modules/ipycanvas/default.nix

@@ -20,6 +20,16 @@ buildPythonPackage rec {
     hash = "sha256-+cOUBoG8ODgzkPjEbqXYRF1uEcbaZITDfYnfWuHawTE=";
   };
 
+  # We relax dependencies here instead of pulling in a patch because upstream
+  # has released a new version using hatch-jupyter-builder, but it is not yet
+  # trivial to upgrade to that.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab==3.*",' "" \
+      --replace 'jupyter_packaging~=' 'jupyter_packaging>='
+  '';
+
   nativeBuildInputs = [ jupyter-packaging ];
 
   propagatedBuildInputs = [ ipywidgets numpy pillow ];

pkgs/development/python-modules/ipyniivue/default.nix

@@ -21,7 +21,18 @@ buildPythonPackage rec {
     hash = "sha256-kym7949VI6C+62p3IOQ2QIzWnuSBcrmySb83oqUwhjI=";
   };
 
-  nativeBuildInputs = [ hatchling hatch-jupyter-builder ];
+  # We do not need the jupyterlab build dependency, because we do not need to
+  # build any JS components; these are present already in the PyPI artifact.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab==3.*",' ""
+  '';
+
+  nativeBuildInputs = [
+    hatchling
+    hatch-jupyter-builder
+  ];
 
   propagatedBuildInputs = [ ipywidgets jupyter-ui-poll ];
 

pkgs/development/python-modules/ipyparallel/default.nix

@@ -28,6 +28,14 @@ buildPythonPackage rec {
     hash = "sha256-o5ql75VgFwvw6a/typ/wReG5wYMsSTAzd+3Mkc6p+3c=";
   };
 
+  # We do not need the jupyterlab build dependency, because we do not need to
+  # build any JS components; these are present already in the PyPI artifact.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace '"jupyterlab>=3.0.0,==3.*",' ""
+  '';
+
   nativeBuildInputs = [
     hatchling
   ];

pkgs/development/python-modules/ipytablewidgets/default.nix

@@ -27,6 +27,15 @@ buildPythonPackage rec {
     hash = "sha256-14vIih+r/PHLxhgG29YtwuosSBLpewD2CluWpH2+pLc=";
   };
 
+  # Opened https://github.com/progressivis/ipytablewidgets/issues/3 to ask if
+  # jupyterlab can be updated upstream. (From commits, it looks like it was
+  # set to this version on purpose.) In the meantime, the build still works.
+  #
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace 'jupyterlab>=3.0.0,<3.7' 'jupyterlab>=3.0.0'
+  '';
+
   nativeBuildInputs = [
     jupyter-packaging
     jupyterlab