upgpkg: python-plotly 5.20.0-4

Reinstate the JS build. Using a cheeky patch that overwrites part of a
dependency, we can get the memory usage down to something more
reasonable. With this, there's no more reason to avoid building the JS
extensions.

python-plotly/PKGBUILD

@@ -3,7 +3,7 @@
 
 pkgname=python-plotly
 pkgver=5.20.0
-pkgrel=3
+pkgrel=4
 pkgdesc="An open-source, interactive graphing library"
 arch=('any')
 url="https://github.com/plotly/plotly.py"
@@ -29,6 +29,7 @@ optdepends=(
 )
 makedepends=(
     git
+    npm
     python-wheel
     python-build
     python-installer
@@ -43,14 +44,17 @@ checkdepends=(
 )
 source=(
      "${pkgname}::git+https://github.com/plotly/plotly.py#tag=v$pkgver"
+     "js-build.patch"
 )
-sha256sums=('b0e4718894929e788aa5823d999f18246997dc256d94adc51e26b205c318ef50')
+sha256sums=('b0e4718894929e788aa5823d999f18246997dc256d94adc51e26b205c318ef50'
+            '347d8de2ed5c6529a0113086780ecdd0b21c0a167fa60a890ca18bbac0d99392')
 options=(!strip !debug) # strip and debug aren't useful for python files and take forever
 
 prepare() {
-  cd python-plotly/packages/python/plotly
+  cd python-plotly
 
   git clean -dfx
+  patch -p1 < ../js-build.patch
 }
 
 build() {
@@ -58,7 +62,7 @@ build() {
 
   # Skip the dependency check as the version bounds on jupyterlab are too tight
   # and don't allow 4.x, which Arch currently ships.
-  SKIP_NPM=1 python -m build --wheel --no-isolation --skip-dependency-check
+  python -m build --wheel --no-isolation --skip-dependency-check
 }
 
 check() {
@@ -71,5 +75,10 @@ package() {
   python -m installer --destdir="$pkgdir"/ dist/*.whl
   mv "${pkgdir}/usr/etc" "${pkgdir}"
 
+  # symlink the path where static assets are installed, otherwise jupyterlab
+  # will not be able to load the extension properly
+  local site_packages=$(python -c "import site; print(site.getsitepackages()[0])")
+  ln -s "$site_packages/jupyterlab_plotly/labextension/static" "$pkgdir/usr/share/jupyter/labextensions/jupyterlab-plotly/"
+
   install -Dm644 LICENSE.txt "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
 }