pyproject.toml: switch over the package build to pyproject.toml

This removes fastentrypoints.py and moves the dependency management
to the pyproject.toml (for the usbsdmux package) or the Makefile
for the packaging and qa jobs (just so we do not have any
REQUIREMENTS.txt files anymore).

Signed-off-by: Leonard Göhrs <[email protected]>

MANIFEST.in

@@ -1,5 +1,4 @@
 include COPYING
-include fastentrypoints.py
 graft contrib
 
 global-exclude .*

Makefile

@@ -7,20 +7,22 @@ PYTHON_QA_ENV=$(PYTHON_ENV_ROOT)/$(PYTHON)-qa-env
 # packaging environment #######################################################
 .PHONY: packaging-env build _release
 
-$(PYTHON_PACKAGING_VENV)/.created: REQUIREMENTS.packaging.txt
+$(PYTHON_PACKAGING_VENV)/.created:
 	rm -rf $(PYTHON_PACKAGING_VENV) && \
 	$(PYTHON) -m venv $(PYTHON_PACKAGING_VENV) && \
 	. $(PYTHON_PACKAGING_VENV)/bin/activate && \
 	$(PYTHON) -m pip install --upgrade pip && \
-	$(PYTHON) -m pip install -r REQUIREMENTS.packaging.txt
+	$(PYTHON) -m pip install build twine
 	date > $(PYTHON_PACKAGING_VENV)/.created
 
+.PHONY: packaging-env build _release
+
 packaging-env: $(PYTHON_PACKAGING_VENV)/.created
 
 build: packaging-env
 	. $(PYTHON_PACKAGING_VENV)/bin/activate && \
 	rm -rf dist *.egg-info && \
-	./setup.py sdist
+	$(PYTHON) -m build
 
 _release: build
 	. $(PYTHON_PACKAGING_VENV)/bin/activate && \
@@ -37,12 +39,12 @@ envs: packaging-env qa-env
 # testing #####################################################################
 .PHONY: qa qa-env qa-codespell qa-pytest qa-ruff
 
-$(PYTHON_QA_ENV)/.created: REQUIREMENTS.qa.txt
+$(PYTHON_QA_ENV)/.created:
 	rm -rf $(PYTHON_QA_ENV) && \
 	$(PYTHON) -m venv $(PYTHON_QA_ENV) && \
 	. $(PYTHON_QA_ENV)/bin/activate && \
 	$(PYTHON) -m pip install pip --upgrade && \
-	$(PYTHON) -m pip install -r ./REQUIREMENTS.qa.txt && \
+	$(PYTHON) -m pip install codespell ruff pytest pytest-mock  && \
 	date > $(PYTHON_QA_ENV)/.created
 
 qa-env: $(PYTHON_QA_ENV)/.created

pyproject.toml

@@ -1,3 +1,42 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "usbsdmux"
+description = "Tool to control an USB-SD-Mux from the command line"
+version = "24.01.1"
+authors = [
+  { name = "Chris Fiege", email = "[email protected]" },
+]
+readme = "README.rst"
+license = { "text" = "LGPL-2.1-or-later" }
+dependencies = []
+classifiers = [
+    "Environment :: Console",
+    "Natural Language :: English",
+    "Operating System :: Unix",
+    "Programming Language :: Python :: 3 :: Only",
+]
+
+[project.optional-dependencies]
+mqtt = ["paho-mqtt"]
+
+[project.urls]
+homepage="https://github.com/linux-automation/usbsdmux"
+documentation="https://www.linux-automation.com/usbsdmux-M01/"
+
+[project.scripts]
+usbsdmux = "usbsdmux.__main__:main"
+usbsdmux-configure = "usbsdmux.usb2642eeprom:main"
+usbsdmux-service = "usbsdmux.service:main"
+
+[tool.setuptools]
+packages = [
+  "usbsdmux",
+]
+include-package-data = true
+
 [tool.ruff]
 line-length = 119
 exclude = [