Drop Python 3.9 (#330)

# Changes

## Drop Python 3.9

EOL of 2025-10-31.

See also:
- https://devguide.python.org/versions/#:~:text=Release%20manager-,3.9,-PEP%20596
- https://peps.python.org/pep-0596/

Author: tony

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.14']
+        python-version: ['3.14']
     steps:
       - uses: actions/checkout@v4
 

CHANGES

@@ -33,6 +33,14 @@ You can test the unpublished version of cihai-cli before its released, see
 
 - _Changes for the upcoming release go here._
 
+### Breaking changes
+
+- Drop support for Python 3.9; the new minimum is Python 3.10 (#330).
+
+  See also:
+  - [Python 3.9 EOL timeline](https://devguide.python.org/versions/#:~:text=Release%20manager-,3.9,-PEP%20596)
+  - [PEP 596](https://peps.python.org/pep-0596/)
+
 ### Development
 
 - Add Python 3.14 to test matrix (#329)

README.md

@@ -161,7 +161,7 @@ $ cd cihai-cli
 - [Quickstart](https://cihai-cli.git-pull.com/quickstart.html)
 - Python [API](https://cihai-cli.git-pull.com/api.html)
 - [2017 roadmap](https://cihai.git-pull.com/design-and-planning/2017/spec.html)
-- Python support: >= 3.9, pypy
+- Python support: >= 3.10, pypy
 - Source: <https://github.com/cihai/cihai-cli>
 - Docs: <https://cihai-cli.git-pull.com>
 - Changelog: <https://cihai-cli.git-pull.com/history.html>

pyproject.toml

@@ -2,7 +2,7 @@
 name = "cihai-cli"
 version = "0.30.0"
 description = "Command line frontend for the cihai CJK language library"
-requires-python = ">=3.9,<4.0"
+requires-python = ">=3.10,<4.0"
 license = { text = "MIT" }
 authors = [
   {name = "Tony Narlock", email = "tony@git-pull.com"}
@@ -14,7 +14,6 @@ classifiers = [
   "Intended Audience :: Developers",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -141,7 +140,7 @@ build-backend = "hatchling.build"
 
 [tool.mypy]
 strict = true
-python_version = "3.9"
+python_version = "3.10"
 files = [
   "src/",
   "tests/",
@@ -154,7 +153,7 @@ module = [
 ignore_missing_imports = true
 
 [tool.ruff]
-target-version = "py39"
+target-version = "py310"
 
 [tool.ruff.lint]
 select = [

src/cihai_cli/cli.py

@@ -127,7 +127,7 @@ def command_info(c: Cihai, char: str, show_all: bool) -> None:
     query = c.unihan.lookup_char(char).first()
     attrs = {}
     if not query:
-        log.info(f"No records found for {char}")
+        log.info("No records found for %s", char)
         sys.exit()
     for col, _, _ in query.__table__.columns._collection:
         value = getattr(query, col)
@@ -159,7 +159,7 @@ def command_reverse(c: Cihai, char: str, show_all: bool) -> None:
     """Lookup a word or phrase by searching definitions."""
     query = c.unihan.reverse_char([char])
     if not query.count():
-        log.info(f"No records found for {char}")
+        log.info("No records found for %s", char)
         sys.exit()
     for k in query:
         attrs = {}