Add a PyInstaller hook to handle files correctly in PyInstaller

pythonnet · Metadorius · Mar 26, 2026 · Mar 27, 2026 · Mar 27, 2026 · Mar 27, 2026
commit d2db7c7e70c0652a515808c2bd19238967d6523a
diff --git a/pyproject.toml b/pyproject.toml
@@ -49,6 +49,9 @@ email = "pythonnet@python.org"
 Homepage = "https://pythonnet.github.io/"
 Sources = "https://github.com/pythonnet/pythonnet"
 
+[project.entry-points.pyinstaller40]
+hook-dirs = "pythonnet._pyinstaller:get_hook_dirs"
+
 [tool.setuptools]
 zip-safe = false
 py-modules = ["clr"]

diff --git a/pythonnet/_pyinstaller/__init__.py b/pythonnet/_pyinstaller/__init__.py
@@ -0,0 +1,4 @@
+import os
+
+def get_hook_dirs():
+    return [os.path.dirname(__file__)]
diff --git a/pythonnet/_pyinstaller/hook-clr.py b/pythonnet/_pyinstaller/hook-clr.py
@@ -0,0 +1,9 @@
+from PyInstaller.utils.hooks import collect_data_files, collect_dynamic_libs
+
+try:
+    binaries = collect_dynamic_libs("pythonnet")
+    datas = collect_data_files("pythonnet")
+except Exception:
+    # name conflict with https://pypi.org/project/clr/, do not crash if just clr is present
+    binaries = []
+    datas = []