micropython: add micropython component

components/language/micropython/tests/basics/builtin_hasattr.py

@@ -0,0 +1,46 @@
+class A:
+
+    var = 132
+
+    def __init__(self):
+        self.var2 = 34
+
+    def meth(self, i):
+        return 42 + i
+
+
+a = A()
+print(hasattr(a, "var"))
+print(hasattr(a, "var2"))
+print(hasattr(a, "meth"))
+print(hasattr(a, "_none_such"))
+print(hasattr(list, "foo"))
+
+class C:
+
+    def __getattr__(self, attr):
+        if attr == "exists":
+            return attr
+        elif attr == "raise":
+            raise Exception(123)
+        raise AttributeError
+
+c = C()
+print(hasattr(c, "exists"))
+print(hasattr(c, "doesnt_exist"))
+
+# ensure that non-AttributeError exceptions propagate out of hasattr
+try:
+    hasattr(c, "raise")
+except Exception as er:
+    print(er)
+
+try:
+    hasattr(1, b'123')
+except TypeError:
+    print('TypeError')
+
+try:
+    hasattr(1, 123)
+except TypeError:
+    print('TypeError')