feat: Python Plugins

src/slic3r/plugin/PyPluginPackage.hpp

@@ -0,0 +1,27 @@
+#ifndef slic3r_PyPluginPackage_hpp_
+#define slic3r_PyPluginPackage_hpp_
+
+#include <pybind11/pybind11.h>
+
+namespace Slic3r {
+
+// Package base class: a plugin file subclasses orca.base and overrides
+// register_capabilities() to call orca.register_capability() for each capability.
+class PyPluginPackage
+{
+public:
+    virtual ~PyPluginPackage() = default;
+    virtual void register_capabilities() {}
+};
+
+class PyPluginPackageTrampoline : public PyPluginPackage
+{
+public:
+    using PyPluginPackage::PyPluginPackage;
+
+    void register_capabilities() override { PYBIND11_OVERRIDE(void, PyPluginPackage, register_capabilities); }
+};
+
+} // namespace Slic3r
+
+#endif