Makefile: generate and install requirements.txt files for Python plugins.

Doesn't automate the install, but at least provides some tools for users
to install the requirements on their systems

Changelog-Added: Install: we now supply requirements.txt file for Python plugin (i.e. wss-proxy).
See-also: #7665
Signed-off-by: Rusty Russell <[email protected]>

Author: rustyrussell

Makefile

@@ -817,10 +817,10 @@ installdirs:
 
 # $(PLUGINS) is defined in plugins/Makefile.
 
-install-program: installdirs $(BIN_PROGRAMS) $(PKGLIBEXEC_PROGRAMS) $(PLUGINS) $(PY_PLUGINS)
+install-program: installdirs $(BIN_PROGRAMS) $(PKGLIBEXEC_PROGRAMS) $(PLUGINS) $(PY_PLUGINS) $(PLUGIN_REQUIREMENTS_TXT)
 	@$(NORMAL_INSTALL)
 	$(INSTALL_PROGRAM) $(BIN_PROGRAMS) $(DESTDIR)$(bindir)
-	$(INSTALL_PROGRAM) $(PKGLIBEXEC_PROGRAMS) $(DESTDIR)$(pkglibexecdir)
+	$(INSTALL_PROGRAM) $(PKGLIBEXEC_PROGRAMS) $(PLUGIN_REQUIREMENTS_TXT) $(DESTDIR)$(pkglibexecdir)
 	[ -z "$(PLUGINS)" ] || $(INSTALL_PROGRAM) $(PLUGINS) $(DESTDIR)$(plugindir)
 	for PY in $(PY_PLUGINS); do DIR=`dirname $$PY`; DST=$(DESTDIR)$(plugindir)/`basename $$DIR`; if [ -d $$DST ]; then rm -rf $$DST; fi; $(INSTALL_PROGRAM) -d $$DIR; cp -a $$DIR $$DST ; done
 
@@ -899,6 +899,10 @@ uninstall:
 	  $(ECHO) rm -f $(DESTDIR)$(docdir)/`basename $$f`; \
 	  rm -f $(DESTDIR)$(docdir)/`basename $$f`; \
 	done
+	@for f in $(PLUGIN_REQUIREMENTS_TXT); do \
+	  $(ECHO) rm -f $(DESTDIR)$(pkglibexecdir)/`basename $$f`; \
+	  rm -f $(DESTDIR)$(pkglibexecdir)/`basename $$f`; \
+	done
 
 installcheck: all-programs
 	@rm -rf testinstall || true

plugins/.gitignore

@@ -20,3 +20,4 @@ cln-askrene
 recklessrpc
 exposesecret
 cln-xpay
+wss-proxy-requirements.txt

plugins/Makefile

@@ -307,8 +307,17 @@ ifneq ($(RUST),0)
 DEFAULT_TARGETS += $(CLN_PLUGIN_EXAMPLES) plugins/cln-grpc plugins/clnrest
 endif
 
+ifneq ($(NO_PYTHON), 1)
+PLUGIN_REQUIREMENTS_TXT := plugins/wss-proxy-requirements.txt
+plugins/wss-proxy-requirements.txt: plugins/wss-proxy/pyproject.toml plugins/wss-proxy/poetry.lock
+	cd plugins/wss-proxy && $(POETRY) export --without-hashes > ../../$@
+
+all-programs: $(PLUGIN_REQUIREMENTS_TXT)
+endif
+
 clean: plugins-clean
 plugins-clean:
+	$(RM) $(PLUGIN_REQUIREMENTS_TXT)
 	$(RM) $(PLUGINS) $(CLN_PLUGIN_EXAMPLES)
 	$(RM) plugins/sql-schema_gen.h