Add package-level PyInstaller hook.

This mostly matches the uploaded hook.  If this hook needs updating then
the contributed hook must be removed.

Author: HexDecimal

CHANGELOG.rst

@@ -8,6 +8,8 @@ v2.0.0
 
 Unreleased
 ------------------
+Added
+ - Added package-level PyInstaller hook.
 
 12.0.0 - 2021-03-05
 -------------------

setup.cfg

@@ -1,3 +1,7 @@
+[options.entry_points]
+pyinstaller40 =
+  hook-dirs = tcod.__pyinstaller:get_hook_dirs
+
 [aliases]
 test=pytest
 

setup.py

@@ -130,7 +130,7 @@ def check_sdl_version():
         "Forum": "https://github.com/libtcod/python-tcod/discussions",
     },
     py_modules=["libtcodpy"],
-    packages=["tcod"],
+    packages=["tcod", "tcod.__pyinstaller"],
     package_data={"tcod": get_package_data()},
     python_requires=">=3.6",
     install_requires=[

tcod/__pyinstaller/__init__.py

@@ -0,0 +1,8 @@
+"""PyInstaller entry point for tcod."""
+import os
+from typing import List
+
+
+def get_hook_dirs() -> List[str]:
+    """Return the current directory."""
+    return [os.path.dirname(__file__)]

tcod/__pyinstaller/hook-tcod.py

@@ -0,0 +1,13 @@
+"""PyInstaller hook for tcod.
+
+Added here after tcod 12.0.0.
+
+If this hook is modified then the contributed hook needs to be removed from:
+https://github.com/pyinstaller/pyinstaller-hooks-contrib
+"""
+from PyInstaller.utils.hooks import collect_dynamic_libs
+
+hiddenimports = ["_cffi_backend"]
+
+# Install shared libraries to the working directory.
+binaries = collect_dynamic_libs("tcod")