Drop 3.8 not compatible with latest jupyter_events

Author: Carreau

.github/workflows/python-tests.yml

@@ -18,12 +18,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.8", "3.11"]
+        python-version: ["3.9", "3.11", "3.12", "3.13"]
         include:
           - os: windows-latest
             python-version: "3.9"
           - os: ubuntu-latest
-            python-version: "pypy-3.8"
+            python-version: "pypy-3.9"
           - os: macos-latest
             python-version: "3.10"
           - os: ubuntu-latest
@@ -180,7 +180,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
@@ -194,7 +194,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
         with:
-          python_version: "pypy-3.8"
+          python_version: "pypy-3.9"
       - name: Run the tests
         run: hatch -v run test:nowarn --integration_tests=true
 

examples/simple/pyproject.toml

@@ -7,7 +7,7 @@ name = "jupyter-server-example"
 description = "Jupyter Server Example"
 readme = "README.md"
 license = ""
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "jinja2",
     "jupyter_server",

jupyter_server/serverapp.py

@@ -2552,8 +2552,6 @@ def init_mime_overrides(self) -> None:
         # ensure css, js are correct, which are required for pages to function
         mimetypes.add_type("text/css", ".css")
         mimetypes.add_type("application/javascript", ".js")
-        # for python <3.8
-        mimetypes.add_type("application/wasm", ".wasm")
 
     def shutdown_no_activity(self) -> None:
         """Shutdown server on timeout when there are no kernels or terminals."""
@@ -2718,7 +2716,7 @@ def _init_asyncio_patch() -> None:
         at least until asyncio adds *_reader methods
         to proactor.
         """
-        if sys.platform.startswith("win") and sys.version_info >= (3, 8):
+        if sys.platform.startswith("win"):
             import asyncio
 
             try:

jupyter_server/utils.py

@@ -11,9 +11,10 @@
 import sys
 import warnings
 from _frozen_importlib_external import _NamespacePath
+from collections.abc import Generator, Sequence
 from contextlib import contextmanager
 from pathlib import Path
-from typing import Any, Generator, NewType, Sequence
+from typing import Any, NewType
 from urllib.parse import (
     SplitResult,
     quote,
@@ -378,17 +379,9 @@ def filefind(filename: str, path_dirs: Sequence[str]) -> str:
         # os.path.abspath resolves '..', but Path.absolute() doesn't
         # Path.resolve() does, but traverses symlinks, which we don't want
         test_path = Path(os.path.abspath(test_path))
-        if sys.version_info >= (3, 9):
-            if not test_path.is_relative_to(path):
-                # points outside root, e.g. via `filename='../foo'`
-                continue
-        else:
-            # is_relative_to is new in 3.9
-            try:
-                test_path.relative_to(path)
-            except ValueError:
-                # points outside root, e.g. via `filename='../foo'`
-                continue
+        if not test_path.is_relative_to(path):
+            # points outside root, e.g. via `filename='../foo'`
+            continue
         # make sure we don't call is_file before we know it's a file within a prefix
         # GHSA-hrw6-wg82-cm62 - can leak password hash on windows.
         if test_path.is_file():

pyproject.toml

@@ -21,7 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "anyio>=3.1.0",
     "argon2-cffi>=21.1",
@@ -208,7 +208,7 @@ pydist_resource_paths = ["jupyter_server/static/style/bootstrap.min.css", "jupyt
 post-version-spec = "dev"
 
 [tool.mypy]
-python_version = "3.8"
+python_version = "3.9"
 explicit_package_bases = true
 strict = true
 pretty = true