[python-package] remove unnecessary files to reduce sdist size (fixes #…

…6560) (#6565)

python-package/MANIFEST.in

@@ -1,11 +1,54 @@
-include *.rst
+include README.rst
+include xgboost/LICENSE
 include xgboost/VERSION
 include xgboost/CMakeLists.txt
 
-recursive-include xgboost *
+include xgboost/py.typed
+recursive-include xgboost *.py
+recursive-include xgboost/cmake *
+exclude xgboost/cmake/RPackageInstall.cmake.in
+exclude xgboost/cmake/RPackageInstallTargetSetup.cmake
+exclude xgboost/cmake/Sanitizer.cmake
+exclude xgboost/cmake/modules/FindASan.cmake
+exclude xgboost/cmake/modules/FindLSan.cmake
+exclude xgboost/cmake/modules/FindLibR.cmake
+exclude xgboost/cmake/modules/FindTSan.cmake
+exclude xgboost/cmake/modules/FindUBSan.cmake
 recursive-include xgboost/include *
+recursive-include xgboost/plugin *
 recursive-include xgboost/src *
-recursive-include xgboost/rabit *
-recursive-include xgboost/dmlc-core *
 
-global-exclude *.py[oc]
+include xgboost/rabit/CMakeLists.txt
+recursive-include xgboost/rabit/include *
+recursive-include xgboost/rabit/src *
+prune xgboost/rabit/doc
+prune xgboost/rabit/guide
+
+include xgboost/dmlc-core/CMakeLists.txt
+
+recursive-include xgboost/dmlc-core/cmake *
+exclude xgboost/dmlc-core/cmake/gtest_cmake.in
+exclude xgboost/dmlc-core/cmake/lint.cmake
+exclude xgboost/dmlc-core/cmake/Sanitizer.cmake
+exclude xgboost/dmlc-core/cmake/Modules/FindASan.cmake
+exclude xgboost/dmlc-core/cmake/Modules/FindLSan.cmake
+exclude xgboost/dmlc-core/cmake/Modules/FindTSan.cmake
+exclude xgboost/dmlc-core/cmake/Modules/FindUBSan.cmake
+
+recursive-include xgboost/dmlc-core/include *
+recursive-include xgboost/dmlc-core/include *
+recursive-include xgboost/dmlc-core/make *
+recursive-include xgboost/dmlc-core/src *
+include xgboost/dmlc-core/tracker/dmlc-submit
+recursive-include xgboost/dmlc-core/tracker/dmlc_tracker *.py
+include xgboost/dmlc-core/tracker/yarn/build.bat
+include xgboost/dmlc-core/tracker/yarn/build.sh
+include xgboost/dmlc-core/tracker/yarn/pom.xml
+recursive-include xgboost/dmlc-core/tracker/yarn/src *
+include xgboost/dmlc-core/windows/dmlc.sln
+include xgboost/dmlc-core/windows/dmlc/dmlc.vcxproj
+
+prune xgboost/dmlc-core/doc
+prune xgboost/dmlc-core/scripts/
+
+global-exclude *.py[oc]