Add python embedding examples.

Sources/Examples/Examples.swift

@@ -55,6 +55,8 @@ enum USDExamples
       GalahInterpreterExamples.run()
     #endif /* WITH_GALAH */
 
+    PythonInterpreterExamples.run()
+
     // scene description examples.
     SceneDescriptionExamples.run()
 

Sources/Examples/PythonInterpreter.swift

@@ -0,0 +1,56 @@
+/* ----------------------------------------------------------------
+ * :: :  M  E  T  A  V  E  R  S  E  :                            ::
+ * ----------------------------------------------------------------
+ * This software is Licensed under the terms of the Apache License,
+ * version 2.0 (the "Apache License") with the following additional
+ * modification; you may not use this file except within compliance
+ * of the Apache License and the following modification made to it.
+ * Section 6. Trademarks. is deleted and replaced with:
+ *
+ * Trademarks. This License does not grant permission to use any of
+ * its trade names, trademarks, service marks, or the product names
+ * of this Licensor or its affiliates, except as required to comply
+ * with Section 4(c.) of this License, and to reproduce the content
+ * of the NOTICE file.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND without even an
+ * implied warranty of MERCHANTABILITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the Apache License for more details.
+ *
+ * You should have received a copy for this software license of the
+ * Apache License along with this program; or, if not, please write
+ * to the Free Software Foundation Inc., with the following address
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *         Copyright (C) 2024 Wabi Foundation. All Rights Reserved.
+ * ----------------------------------------------------------------
+ *  . x x x . o o o . x x x . : : : .    o  x  o    . : : : .
+ * ---------------------------------------------------------------- */
+
+import Foundation
+import PixarUSD
+#if canImport(PyBundle)
+  import PyBundle
+#endif /* canImport(PyBundle) */
+
+func embedPython()
+{
+  #if canImport(PyBundle)
+    /* embed & init python. */
+    PyBundler.shared.pyInit()
+    PyBundler.shared.pyInfo()
+  #endif /* canImport(PyBundle) */
+}
+
+enum PythonInterpreterExamples
+{
+  static func run()
+  {
+    Msg.logger.info("running python interpreter examples...")
+
+    embedPython()
+
+    Msg.logger.info("python interpreter examples complete.")
+  }
+}