drop importlib_metadata, bump to python 3.9 minimum

Author: dlqqq

README.md

@@ -22,7 +22,7 @@ Documentation is available on [ReadTheDocs](https://jupyter-ai.readthedocs.io/en
 
 You will need to have installed the following software to use Jupyter AI:
 
-- Python 3.8 - 3.12
+- Python 3.9 - 3.12
 - JupyterLab 4 or Notebook 7
 
 In addition, you will need access to at least one model provider.

docs/source/users/index.md

@@ -11,7 +11,8 @@ please see the {doc}`developer's guide </developers/index>`.
 ## Prerequisites
 
 You can run Jupyter AI on any system that can run a supported Python version
-from 3.8 to 3.12, including recent Windows, macOS, and Linux versions.
+from 3.9 to 3.12, including recent Windows, macOS, and Linux versions. Python
+3.8 support is also available in Jupyter AI v2.29.1 and below.
 
 If you use `conda`, you can install Python 3.12 in your environment by running:
 

packages/jupyter-ai-magics/jupyter_ai_magics/utils.py

@@ -1,7 +1,7 @@
 import logging
 from typing import Dict, List, Literal, Optional, Tuple, Type, Union
 
-from importlib_metadata import entry_points
+from importlib.metadata import entry_points
 from jupyter_ai_magics.aliases import MODEL_ID_ALIASES
 from jupyter_ai_magics.embedding_providers import BaseEmbeddingsProvider
 from jupyter_ai_magics.providers import BaseProvider

packages/jupyter-ai-magics/pyproject.toml

@@ -6,13 +6,12 @@ build-backend = "hatchling.build"
 name = "jupyter_ai_magics"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Framework :: Jupyter",
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -23,7 +22,6 @@ dynamic = ["version", "description", "authors", "urls", "keywords"]
 
 dependencies = [
     "ipython",
-    "importlib_metadata>=5.2.0",
     "langchain>=0.3.0,<0.4.0",
     "langchain_community>=0.3.0,<0.4.0",
     # pydantic>=2.7.4 is required by langchain >=0.3.0

packages/jupyter-ai-module-cookiecutter/{{cookiecutter.root_dir_name}}/README.md

@@ -6,7 +6,7 @@ extension.
 
 ## Requirements
 
-- Python 3.8 - 3.12
+- Python 3.9 - 3.12
 - JupyterLab 4
 
 ## Install

packages/jupyter-ai-module-cookiecutter/{{cookiecutter.root_dir_name}}/pyproject.toml

@@ -6,15 +6,14 @@ build-backend = "hatchling.build"
 name = "{{ cookiecutter.python_name }}"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Framework :: Jupyter",
     "Framework :: Jupyter :: JupyterLab",
     "Framework :: Jupyter :: JupyterLab :: 4",
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

packages/jupyter-ai-test/README.md

@@ -6,7 +6,7 @@ environment. This package should never published on NPM or PyPI.
 
 ## Requirements
 
-- Python 3.8 - 3.12
+- Python 3.9 - 3.12
 - JupyterLab 4
 
 ## Install

packages/jupyter-ai-test/pyproject.toml

@@ -6,15 +6,14 @@ build-backend = "hatchling.build"
 name = "jupyter_ai_test"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Framework :: Jupyter",
     "Framework :: Jupyter :: JupyterLab",
     "Framework :: Jupyter :: JupyterLab :: 4",
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",

packages/jupyter-ai/jupyter_ai/extension.py

@@ -7,7 +7,7 @@
 
 import traitlets
 from dask.distributed import Client as DaskClient
-from importlib_metadata import entry_points
+from importlib.metadata import entry_points
 from jupyter_ai_magics import BaseProvider, JupyternautPersona
 from jupyter_ai_magics.utils import get_em_providers, get_lm_providers
 from jupyter_events import EventLogger

packages/jupyter-ai/pyproject.toml

@@ -6,7 +6,7 @@ build-backend = "hatchling.build"
 name = "jupyter_ai"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Framework :: Jupyter",
     "Framework :: Jupyter :: JupyterLab",
@@ -16,7 +16,6 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -25,7 +24,6 @@ classifiers = [
 dependencies = [
     # jupyter_server>=2.4 is required in JL4
     "jupyter_server>=2.4,<3",
-    "importlib_metadata>=5.2.0",
     # pydantic>=2.7.4 is required by langchain >=v0.3.0
     # pydantic>=2.9.0 is required by ollama >=0.4.0
     "pydantic>=2.9.0,<3",