diff --git a/python-ecosys/astpp/astpp.py b/python-ecosys/astpp/astpp.py
new file mode 100644
index 000000000..9fecb60d0
--- /dev/null
+++ b/python-ecosys/astpp/astpp.py
@@ -0,0 +1,38 @@
+try:
+    from micropython import const
+except ImportError:
+
+    def const(x):
+        return x
+
+
+def keep(obj):
+    return obj
+
+
+def omit(obj):
+    return None
+
+
+def keep_if(cond):
+    return keep if cond else omit
+
+
+def omit_if(cond):
+    return omit if cond else keep
+
+
+try:
+    import micropython as _real_mpy
+except ImportError:
+    _real_mpy = None
+if _real_mpy is not None:
+    micropython = _real_mpy
+else:
+
+    class _MicroPythonShim:
+        native = staticmethod(keep)
+        viper = staticmethod(keep)
+
+    micropython = _MicroPythonShim()
+__version__ = "0.1.3"
diff --git a/python-ecosys/astpp/manifest.py b/python-ecosys/astpp/manifest.py
new file mode 100644
index 000000000..19f3350bb
--- /dev/null
+++ b/python-ecosys/astpp/manifest.py
@@ -0,0 +1,3 @@
+metadata(version="0.1.3", pypi="astpp")
+
+module("astpp.py")