Python - Add decoders

bindings/python/src/decoders.rs

@@ -0,0 +1,21 @@
+extern crate tokenizers as tk;
+
+use super::utils::Container;
+use pyo3::prelude::*;
+
+#[pyclass]
+pub struct Decoder {
+    pub decoder: Container<dyn tk::tokenizer::Decoder + Sync>,
+}
+
+#[pyclass]
+pub struct ByteLevel {}
+#[pymethods]
+impl ByteLevel {
+    #[staticmethod]
+    fn new() -> PyResult<Decoder> {
+        Ok(Decoder {
+            decoder: Container::Owned(Box::new(tk::decoders::byte_level::ByteLevel)),
+        })
+    }
+}