Use symlinks for NOTICE/LICENSE.txt

Author: WillAyd

python/LICENSE.txt

@@ -0,0 +1 @@
+../LICENSE.txt

python/NOTICE.txt

@@ -0,0 +1 @@
+../NOTICE.txt

python/meson.build

@@ -27,14 +27,21 @@ project(
         check: true,
     ).stdout().strip(),
     license: 'Apache-2.0',
-    #license_files: ['../LICENSE.txt'],
+    license_files: ['LICENSE.txt'],
     meson_version: '>=1.4.0',
     default_options: ['buildtype=release', 'cpp_std=c++17'],
 )
 
 py = import('python').find_installation(pure: false)
 
-#install_data('../NOTICE.txt', install_dir: py.get_install_dir() / 'pyarrow')
+install_data('NOTICE.txt', install_dir: py.get_install_dir() / 'pyarrow')
+# Meson-python suggests using a dist script to resolve symlinks to physical
+# files when creating the sdist. See
+# https://github.com/mesonbuild/meson-python/discussions/823#discussioncomment-15078932
+meson.add_dist_script(
+    py,
+    meson.project_source_root() / 'scripts/generate_dist.py',
+)
 
 if get_option('default_library') == 'static'
     cmake_suffix = 'static'

python/scripts/generate_dist.py

@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import os
+import pathlib
+import shutil
+
+
+def main():
+    src_dir = pathlib.Path(os.environ["MESON_SOURCE_ROOT"])
+    parent_dir = src_dir.parent.resolve()
+    dest_dir = pathlib.Path(os.environ["MESON_DIST_ROOT"]).resolve()
+
+    license_file = parent_dir / 'LICENSE.txt'
+    shutil.copy(license_file, dest_dir)
+    notice_file = parent_dir / 'NOTICE.txt'
+    shutil.copy(notice_file, dest_dir)
+
+
+if __name__ == "__main__":
+    main()