Remove install.py and cleanup (#17)

.github/workflows/test.yml

@@ -23,14 +23,14 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.8", "3.11"]
+        python-version: ["3.8", "3.12"]
         include:
           - os: windows-latest
-            python-version: "3.9"
+            python-version: "3.10"
           - os: ubuntu-latest
-            python-version: "pypy-3.8"
+            python-version: "pypy-3.9"
           - os: macos-latest
-            python-version: "3.10"
+            python-version: "3.11"
     steps:
       - uses: actions/checkout@v2
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
@@ -44,9 +44,6 @@ jobs:
         run: |
           cd $HOME
           jupyter kernelspec list | grep echo
-          jupyter kernelspec remove -y echo
-          python -m echo_kernel.install
-          jupyter kernelspec list | grep echo
 
   check_release:
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -1,4 +1,4 @@
-# Changes in jupyter-core
+# Changes in echo kernel
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 

hatch_build.py

@@ -3,13 +3,40 @@
 from hatchling.builders.hooks.plugin.interface import BuildHookInterface
 
 
+import argparse
+import json
+import os
+import sys
+import shutil
+
+from jupyter_client.kernelspec import KernelSpecManager
+from tempfile import TemporaryDirectory
+
+kernel_json = {
+    "argv": [sys.executable, "-m", "echo_kernel", "-f", "{connection_file}"],
+    "display_name": "Echo",
+    "language": "text",
+}
+
 class CustomHook(BuildHookInterface):
     def initialize(self, version, build_data):
         here = os.path.abspath(os.path.dirname(__file__))
         sys.path.insert(0, here)
+        prefix = os.path.join(here, 'data_kernelspec')
 
-        from echo_kernel.install import install_my_kernel_spec
+        with TemporaryDirectory() as td:
+            os.chmod(td, 0o755) # Starts off as 700, not user readable
+            with open(os.path.join(td, 'kernel.json'), 'w') as f:
+                json.dump(kernel_json, f, sort_keys=True)
+            print('Installing Jupyter kernel spec')
 
-        prefix = os.path.join(here, 'data_kernelspec')
-        install_my_kernel_spec(False, prefix)
+            # Requires logo files in kernel root directory
+            cur_path = os.path.dirname(os.path.realpath(__file__))
+            for logo in ["logo-32x32.png", "logo-64x64.png"]:
+                try:
+                    shutil.copy(os.path.join(cur_path, logo), td)
+                except FileNotFoundError:
+                    print("Custom logo files not found. Default logos will be used.")
+
+            KernelSpecManager().install_kernel_spec(td, 'echo', user=False, prefix=prefix)