Use shared makefile de requirements

tools/Makefile

@@ -2,7 +2,7 @@ all: lint test
 
 include python.mk
 
-PIP_INSTALL = -r requirements-dev.txt
+PIP_INSTALL =
 PYLINT_ARG = tools
 MYPY_ARG = .
 PYTEST_ARG = .

tools/python.mk

@@ -8,12 +8,21 @@ CPU_CORES = $(shell nproc)
 # MYPY_ARG =
 # PYTEST_ARG =
 
+SHARED_DEV_REQUIREMENTS = \
+	black \
+	isort \
+	mypy \
+	pylint \
+	pytest \
+	pytest-cov \
+	pytest-xdist
+
 VENV = venv
 $(VENV):
 	python3 -m venv $(VENV)
 	source $(VENV)/bin/activate
 	pip install --upgrade pip setuptools wheel
-	pip install $(PIP_INSTALL)
+	pip install $(SHARED_DEV_REQUIREMENTS) $(PIP_INSTALL)
 
 .PHONY: .format
 .format: $(VENV)

tools/requirements-dev.txt

@@ -1,4 +0,0 @@
-mypy
-pylint
-pytest
-pytest-xdist