feat: early interface with Python

src/home_assistant/event/context/context.rs

@@ -0,0 +1,24 @@
+use pyo3::prelude::*;
+
+use crate::home_assistant::event::event::Event;
+
+use super::id::Id;
+
+/// The context that triggered something.
+#[derive(Debug, FromPyObject)]
+pub struct Context {
+    pub id: Id,
+    pub user_id: Option<String>,
+    pub parent_id: Option<String>,
+    /// In order to prevent cycles, the user must extract this to an [`Event<Arbitrary>`](super::event::Event) themself (or even specify a specific type parameter!)
+    origin_event: Py<PyAny>,
+}
+
+impl Context {
+    pub fn origin_event<'py, Type: FromPyObject<'py>, Data: FromPyObject<'py>>(
+        &self,
+        py: Python<'py>,
+    ) -> PyResult<Event<Type, Data>> {
+        self.origin_event.extract(py)
+    }
+}