build/python: add dist target

python/CMakeLists.txt

@@ -9,6 +9,10 @@ add_custom_target(python ALL
     COMMAND python3 setup.py build
     DEPENDS opendht opendht_cpp.pxd opendht.pyx pyproject.toml)
 
+add_custom_target(dist
+    COMMAND python3 -m build
+    DEPENDS opendht opendht_cpp.pxd opendht.pyx pyproject.toml)
+
 install(CODE "execute_process(COMMAND python3 setup.py install --root=\$ENV{DESTDIR}/ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})")
 if (OPENDHT_TOOLS)
 	install(PROGRAMS tools/dhtcluster.py DESTINATION ${CMAKE_INSTALL_BINDIR} RENAME dhtcluster)