build/pkgs/sagelib/spkg-install: Do installation of sagemath kernelsp…

…ec here, not in sage_setup.command.sage_install

build/pkgs/sagelib/spkg-install

@@ -37,9 +37,7 @@ export SAGE_SHARE=/doesnotexist
 # uses this variable.
 # export SAGE_LOCAL=/doesnotexist
 
-# Trac #30903: We cannot poison SAGE_DOC because setup.py installs the Jupyter kernel
-# spec, which includes setting a symlink to the installed documentation.
-# export SAGE_DOC=/doesnotexist
+export SAGE_DOC=/doesnotexist
 
 SITEPACKAGESDIR=$(python3 -c 'import sysconfig; print(sysconfig.get_paths()["purelib"])')
 if [ "$SAGE_EDITABLE" = yes ]; then
@@ -55,6 +53,9 @@ else
     time python3 -u setup.py --no-user-cfg build install || exit 1
 fi
 
+# Install sagemath kernel spec, including symlink to documentation
+python3 -c 'from sage.repl.ipython_kernel.install import SageKernelSpec; SageKernelSpec.update()'
+
 # Trac #33103: The temp.* directories are large after a full build.
 # We remove them to save space; they are not needed for fast rebuilds.
 rm -rf build/temp.*

src/sage_setup/command/sage_install.py

@@ -13,26 +13,7 @@
 from distutils.command.install import install
 
 class sage_install(install):
-
-    def run(self):
-        install.run(self)
-        self.install_kernel_spec()
-
-    def install_kernel_spec(self):
-        """
-        Install the Jupyter kernel spec.
-
-        .. NOTE::
-
-            The files are generated, not copied. Therefore, we cannot
-            use ``data_files`` for this.
-        """
-        from sage.repl.ipython_kernel.install import SageKernelSpec
-        # Jupyter packages typically use the data_files option to
-        # setup() to install kernels and nbextensions. So we should use
-        # the install_data directory for installing our Jupyter files.
-        SageKernelSpec.update(prefix=self.install_data)
-
+    pass
 
 class sage_clean(install):