(#43) Fix windows .msi 'Program Files' path + new 32-bits packagings

scripts/utilities/windows.py

@@ -0,0 +1,50 @@
+
+import os
+import sys
+import tempfile
+from utilities.common import run_command
+from utilities.files import path_join
+
+
+def call_vcvarsall(args: list):
+    if not sys.platform == "win32":
+        print(f"Unexpected call to vcvarsall. Not supported on this platform")
+        sys.exit(1)
+
+    vswhere_path = r"C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe"
+    if not os.path.exists(vswhere_path):
+        print(f"Error: vswhere.exe not found at {vswhere_path}")
+        sys.exit(1)
+
+    vswhere_command = [vswhere_path, "-latest", "-products", "*", "-requires", "Microsoft.Component.MSBuild", "-find", "VC/Auxiliary/Build/vcvarsall.bat"]
+    vcvarsall_path = run_command(vswhere_command)
+    if not os.path.exists(vcvarsall_path):
+        print(f"Error: vcvarsall.bat not found at {vcvarsall_path}")
+        sys.exit(1)
+    # Create a temporary batch file to call vcvarsall.bat and save a copy
+    # of the whole env, so we can re-inject these into this python process.
+    with tempfile.TemporaryDirectory() as temp_dir:
+        temp_batch_file = path_join(temp_dir, "temp_vcvarsall.bat")
+        temp_env_file = path_join(temp_dir, "temp_env.txt")
+        try:
+            with open(temp_batch_file, 'w') as f:
+                args_str = ' '.join(args)
+                f.write(f'call "{vcvarsall_path}" {args_str}\n')
+                f.write(f'set > "{temp_env_file}"\n')
+            # Execute the temporary batch file, reinject the env.
+            run_command([temp_batch_file])    
+            with open(temp_env_file, 'r') as f:
+                for line in f:
+                    if line.strip():
+                        key, value = line.strip().split('=', 1)
+                        os.environ[key] = value
+        except Exception as e:
+            print(f"Error: {e}")
+            sys.exit(1)
+
+    # Verify that platform is set.
+    if not os.environ.get('Platform', None):
+        print(f"Error: Platform not set by vcvarsall.bat")
+        sys.exit(1)
+    print(f"vcvarsall.bat called successfully")
+    print(f"Platform: {os.environ['Platform']}")