From aab7610c585cb27168142a62487b570719fa3413 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=2E=20Armando=20Sol=C3=A9?= <sole@esrf.fr>
Date: Tue, 28 Nov 2023 15:09:50 +0100
Subject: [PATCH] Patch PyOpenGL for Python 3.12

---
 build-pyinstaller.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/build-pyinstaller.py b/build-pyinstaller.py
index 456a08992..7eb8804df 100644
--- a/build-pyinstaller.py
+++ b/build-pyinstaller.py
@@ -7,6 +7,24 @@
                os.path.join(".", "build-" + sys.platform),
                os.path.join(".", "dist-" + sys.platform))
 
+# patch PyOpenGL
+try:
+    import OpenGL
+    if OpenGL.__version__ == '3.1.7':
+        fname = OpenGL.__file__
+        if fname[-1] == "c":
+            fname = fname[:-1]
+        infile = open(fname, "rb").read()
+        infile = infile.replace(b'_bi + ".CArgObject",' ,
+                                b'("_ctypes" if sys.version_info[:2] >= (3,12) else _bi) + ".CArgObject",')
+        outfile = open(fname, "wb").write(infile)
+        infile = None
+        outfile = None
+except ImportError:
+    pass
+except Exception:
+    print("Cannot patch PyOpenGL")
+
 if sys.platform.startswith("darwin"):
     if "arm64" in sys.argv:
         os.putenv("PYMCA_PYINSTALLER_TARGET_ARCH", "arm64")