move test_requirements.txt to requirements-dev.txt using project deps

Also add compat symlink for the old txt file and venv_dev makefile target

Makefile

@@ -4,12 +4,15 @@ PYTHON := python3
 INSTALL_BINARY_NAME := kupferbootstrap
 INSTALL_TARGET := ${HOME}/.local/bin/$(INSTALL_BINARY_NAME)
 
-.PHONY: KBS_HELP install
+.PHONY: KBS_HELP install venv_dev
 DEFAULT: KBS_HELP
 
 $(VENV)/bin/pip3:
 	$(PYTHON) -m venv $(VENV)
 
+venv_dev: $(VENV)/bin/pip3 pyproject.toml requirements.txt requirements-dev.txt
+	$(VENV)/bin/pip3 install -r requirements-dev.txt
+
 $(KUPFERBOOTSTRAP): $(VENV)/bin/pip3 pyproject.toml requirements.txt
 	$(VENV)/bin/pip3 install -r requirements.txt
 

pyproject.toml

@@ -16,6 +16,16 @@ dependencies = [
 ]
 dynamic = ["version"]
 
+[project.optional-dependencies]
+all = ["kupferbootstrap[dev]"]
+dev = [
+    "autoflake",
+    "mypy",
+    "yapf",
+    "pytest",
+    "pytest-cov",
+]
+
 [project.scripts]
 kupferbootstrap = "kupferbootstrap.main:main"
 

requirements-dev.txt

@@ -0,0 +1 @@
+-e .[all]

test_requirements.txt

@@ -1,5 +0,0 @@
-autoflake
-mypy
-yapf
-pytest
-pytest-cov

test_requirements.txt

@@ -0,0 +1 @@
+requirements-dev.txt