diff --git a/src/lib.rs b/src/lib.rs
index 8ad9deb..5535c35 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -33,14 +33,17 @@ pub mod util {
 pub mod pythonapi {
     pub mod shell_like;
 
+    pub mod pyshell;
+
     // pub mod testapi;
 }
 
 use pyo3::prelude::*;
-use pythonapi::shell_like::PyTty;
+use pythonapi::{pyshell::PyShell, shell_like::PyTty};
 
 #[pymodule]
 fn tester(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<PyTty>()?;
+    m.add_class::<PyShell>()?;
     Ok(())
 }
diff --git a/src/pythonapi/pyshell.rs b/src/pythonapi/pyshell.rs
new file mode 100644
index 0000000..6008039
--- /dev/null
+++ b/src/pythonapi/pyshell.rs
@@ -0,0 +1,30 @@
+use pyo3::{exceptions::PyTypeError, pyclass, pymethods, PyResult};
+
+use crate::{term::shell::Shell, util::anybase::heap_raw};
+
+use super::shell_like::{PyTty, PyTtyWrapper, TtyType};
+
+#[pyclass(extends=PyTty, subclass)]
+pub struct PyShell {}
+
+#[pymethods]
+impl PyShell {
+    #[new]
+    #[pyo3(signature = (shell=None))]
+    fn py_new(shell: Option<&str>) -> PyResult<(Self, PyTty)> {
+        let shell = Shell::build(shell);
+        if let Err(e) = shell {
+            return Err(PyTypeError::new_err(e.to_string()));
+        }
+        let shell = shell.unwrap();
+        let shell = Box::new(shell) as TtyType;
+        Ok((
+            PyShell {},
+            PyTty::build(
+                PyTtyWrapper {
+                    tty: heap_raw(shell),
+                },
+            ),
+        ))
+    }
+}
diff --git a/src/pythonapi/shell_like.rs b/src/pythonapi/shell_like.rs
index d417739..23712cc 100644
--- a/src/pythonapi/shell_like.rs
+++ b/src/pythonapi/shell_like.rs
@@ -12,13 +12,13 @@ use crate::{
         shell::Shell,
         ssh::Ssh,
         tty::{DynTty, WrapperTty},
-    },
+    }, util::anybase::heap_raw,
 };
 
-type TtyType = DynTty;
+pub type TtyType = DynTty;
 
-struct PyTtyWrapper {
-    tty: *mut TtyType,
+pub struct PyTtyWrapper {
+    pub tty: *mut TtyType,
 }
 
 impl PyTtyWrapper {
@@ -56,11 +56,19 @@ impl PyTtyWrapper {
 
 unsafe impl Send for PyTtyWrapper {}
 
-#[pyclass]
+#[pyclass(subclass)]
 pub struct PyTty {
     inner: PyTtyWrapper,
 }
 
+impl PyTty {
+    pub fn build(inner: PyTtyWrapper) -> Self {
+        PyTty {
+            inner
+        }
+    }
+}
+
 #[derive(Deserialize)]
 struct PyTtyConf {
     // unwrapable
@@ -77,10 +85,6 @@ struct PyTtyShellConf {
     shell: Option<String>,
 }
 
-fn heap_raw<T>(t: T) -> *mut T {
-    Box::into_raw(Box::new(t))
-}
-
 fn handel_wrap(inner: &mut Option<PyTtyWrapper>, be_wrapped: Option<&mut PyTty>) -> PyResult<()> {
     if be_wrapped.is_none() {
         return Err(PyTypeError::new_err(
@@ -402,3 +406,4 @@ impl PyTty {
         }
     }
 }
+
diff --git a/src/util/anybase.rs b/src/util/anybase.rs
index 2677f0a..28ff93d 100644
--- a/src/util/anybase.rs
+++ b/src/util/anybase.rs
@@ -26,3 +26,7 @@ macro_rules! dyn_into {
         $x.into_any().downcast::<$t>()
     };
 }
+
+pub fn heap_raw<T>(t: T) -> *mut T {
+    Box::into_raw(Box::new(t))
+}
\ No newline at end of file