jw-pkg/make/py-run.mk
Jan Lindemann c42f5f98ab
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test-guard.mk: Add file
Running "make clean" in some directories can break "make test" in
others. That notably happens by running clean somewhere in or below
$(TOPDIR)/src/python, which removes __init__.py files potentially needed
by unit and integration tests in $(TOPDIR)/test.

This commit makes the failure easily visible by introducing the notion
of "testabiltity" - if the tree is not testable, "make test" logs
exactly that in a clear error message and gives up.

Makefiles which need to check "testability" can use it as a
prerequisite. This commit does that with py-run.mk and jw-py-test.mk.

Testability is asserted by running "make", "make all" or "make test"
from $(TOPDIR). A successful toplevel build coincides with testability,
and leaves a $(TOPDIR)/dirs-all.done behind, which is why that file is
the perfect testability marker.

It is automatically created by a toplevel build and cleared by using the
"invalidate-testability" prerequisite. This commit makes target "clean"
depend on it in py-mod.mk. To be extended to other use cases / makefile
snippets as needed.

Signed-off-by: Jan Lindemann <jan@janware.com>
2026-08-18 14:05:30 +02:00

24 lines
555 B
Makefile

include $(JWBDIR)/make/defs.mk
include $(JWBDIR)/make/py-defs.mk
include $(JWBDIR)/make/test-guard.mk
EXE ?= $(firstword $(wildcard main.py runme.py test.py *.py))
EXE_ARGS ?=
PYTHON_RUNNER ?= $(PYTHON)
all:
install:
clean:
distclean:
test: all testability
run:
$(PYTHON_RUNNER) $(EXE) $(EXE_ARGS)
run.sh:
echo -e "#!/bin/bash\n\nexport PYTHONPATH=$(PYTHONPATH)\nset -x\nexec $(PYTHON) $(EXE)" '"$$@"' > $@.tmp
chmod 755 $@.tmp
mv $@.tmp $@
clean.py-run:
rm -rf run.sh
clean: clean.py-run