build(deps): pin mysql-connector-python per Python version (#123)

Author: cofin

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
 
   # Ruff replaces black, flake8, autoflake and isort
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: "v0.15.9" # make sure this is always consistent with hatch configs
+    rev: "v0.15.12" # make sure this is always consistent with hatch configs
     hooks:
       - id: ruff
         args: [--config, ./pyproject.toml]

pyproject.toml

@@ -126,7 +126,14 @@ test = [
   "pytest-click",
   "pytest-xdist",
   "pytest-sugar",
-  "mysql-connector-python",
+  # mysql-connector-python's wheel coverage degrades unpredictably each release:
+  #   3.9:    9.4.x is the last release with cp39 wheels
+  #   3.10+:  9.6.x is the latest release with full Linux/macOS/Windows coverage
+  #           (9.7.0 dropped Linux/Windows for cp311 and dropped cp312/cp313 entirely)
+  # Lower bounds force uv to fork the resolution per-interpreter - without them
+  # a single 9.4.0 satisfies every marker and gets locked universally.
+  "mysql-connector-python<9.5; python_version < '3.10'",
+  "mysql-connector-python>=9.6,<9.7; python_version >= '3.10'",
   "mariadb",
 ]
 

src/pytest_databases/docker/dolt.py

@@ -4,7 +4,7 @@
 import os
 import time
 from dataclasses import dataclass
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING
 
 import pytest