gmake_python_helpers

commit 27acf4cb56ce07aa913692ecf780d8c8f0637a87
parent 1083eb0126561155b8cfab92500fe96d16fc33fd
Author: Jan Pobrislo <ccx@te2000.cz>
Date:   Wed, 25 Jun 2025 03:00:47 +0000

Untested implementation for using pyproject.toml as requirements source

Diffstat:
M
pip-tools.mk
 | 
20
+++++++++++++++++++-

1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/pip-tools.mk b/pip-tools.mk
@@ -12,7 +12,7 @@ venv: $(python_venv_targets)  # installs/updates and symlinks all virtual enviro
 
 # -- requirement file rule generator
 
-### example use:
+### from requirements.in files; example use:
 ## create "release" environment from "release-requirements.in" file
 # $(eval $(call PIP_COMPILE_RULE,release,release-requirements.in))
 ## create "dev" environment from both "release-requirements.in" and "dev-requirements.in" files
@@ -22,7 +22,25 @@ define PIP_COMPILE_RULE =
 $(1)-$(PYTHON_IMPL)-requirements.txt: $(2) $(PIP_COMPILE_DEP)
 	$(PIP_COMPILE) -v --annotate -o '$$@.new' $(2)
 	mv '$$@.new' '$$@'
+$(eval $(call PY_ENVIRONMENT_RULE,$(1)))
+endef
+
+### from pyproject.toml; example use:
+## create "release" environment non-optional dependencies
+# $(eval $(call PYPROJECT_RULE,release,))
+## create "dev" that also includes "doc" and "test" optional-dependencies
+## note the semicolon used to separate included extras
+# $(eval $(call PYPROJECT_RULE,dev,doc;test))
+
+_comma:=,  # to workaround lack of quoting or escaping in function calls
+define PYPROJECT_RULE =
+$(1)-$(PYTHON_IMPL)-requirements.txt: pyproject.toml $(PIP_COMPILE_DEP)
+	$(PIP_COMPILE) -v --annotate -o '$$@.new' --extra='$(subst ;,$(comma),$(2))' pyproject.toml
+	mv '$$@.new' '$$@'
+$(eval $(call PY_ENVIRONMENT_RULE,$(1)))
+endef
 
+define PY_ENVIRONMENT_RULE =
 .PRECIOUS: $(1)-$(PYTHON_IMPL)-requirements.txt
 
 python_requirements_targets+=$(1)-$(PYTHON_IMPL)-requirements.txt