breaking: make minimum Python 3.11

Updates the minimum Python version to 3.11 for its built-in tomllib and
removes the toml dependency.

toml wasn't pickling properly, causing issues with multiprocessing

Author: johnfraney

blurry/markdown/front_matter.py

@@ -1,10 +1,10 @@
 import re
+import tomllib
 from collections.abc import MutableMapping
 from pathlib import Path
 from typing import Any
 from typing import TypeGuard
 
-import toml
 from mistune import BlockState
 from mistune import Markdown
 
@@ -30,7 +30,7 @@ def get_data(doc: str) -> tuple[str, MutableMapping]:
     if toml_block_match:
         toml_part = toml_block_match.group(1)
         try:
-            data = toml.loads(toml_part)
+            data = tomllib.loads(toml_part)
         except Exception as e:
             print("Parsing TOML failed: ", e)
         try:

blurry/settings.py

@@ -1,8 +1,7 @@
+import tomllib
 from os import environ
 from typing import TypedDict
 
-import toml
-
 from blurry.constants import CURR_DIR
 from blurry.constants import ENV_VAR_PREFIX
 from blurry.constants import SETTINGS_FILENAME
@@ -51,7 +50,7 @@ class Settings(TypedDict):
 
 def update_settings():
     try:
-        blurry_config = toml.load(open(SETTINGS_FILENAME))
+        blurry_config = tomllib.load(open(SETTINGS_FILENAME, "rb"))
         user_settings = blurry_config["blurry"]
         for setting, value in user_settings.items():
             SETTINGS[setting.upper()] = value

noxfile.py

@@ -1,13 +1,13 @@
 import nox
 
 
-@nox.session(python=["3.13", "3.12", "3.11", "3.10"])
+@nox.session(python=["3.13", "3.12", "3.11"])
 def tests(session):
     session.install("pytest", ".")
     session.run("pytest")
 
 
-@nox.session(python=["3.13", "3.12", "3.11", "3.10"])
+@nox.session(python=["3.13", "3.12", "3.11"])
 def typecheck(session):
     session.install("pyright", ".")
     session.run("pyright")