Migrate to setuptools (PEP 621)

Remove requirements.txt, move project files inside `src`

pyproject.toml

@@ -1,3 +1,24 @@
+[build-system]
+requires = ["setuptools>=82.0.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "throttled"
+version = "0.11"
+description = "Fix Intel CPU throttling on Linux"
+readme = "README.md"
+requires-python = ">=3.8"
+dependencies = [
+    "dbus-python>=1.3.2",
+    "pygobject>=3.48.2",
+]
+
+[project.scripts]
+throttled = "throttled:main"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
 [tool.black]
 line-length = 120
 skip-string-normalization = true

requirements.txt

@@ -1,3 +0,0 @@
-configparser==7.0.0
-dbus-python==1.3.2
-PyGObject==3.48.2

src/throttled/__init__.py

@@ -0,0 +1 @@
+from .throttled import main

src/throttled/throttled.py

@@ -22,7 +22,7 @@ from time import time
 import dbus
 from dbus.mainloop.glib import DBusGMainLoop
 from gi.repository import GLib
-from mmio import MMIO, MMIOError
+from .mmio import MMIO, MMIOError
 
 DEFAULT_SYSFS_POWER_PATH = '/sys/class/power_supply/AC*/online'
 VOLTAGE_PLANES = {'CORE': 0, 'GPU': 1, 'CACHE': 2, 'UNCORE': 3, 'ANALOGIO': 4}