py: Implement __dict__ for instances.

Note that even though wrapped in MICROPY_CPYTHON_COMPAT, it is not
fully compatible because the modifications to the dictionary do not
propagate to the actual instance members.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/basics/builtin_dict.py b/tests/basics/builtin_dict.py
new file mode 100644
index 0000000000..f51ec21d00
--- /dev/null
+++ b/tests/basics/builtin_dict.py
@@ -0,0 +1,11 @@
+class A:
+    def __init__(self):
+        self.a=1
+        self.b=2
+
+try:
+    d=A().__dict__
+    print(d['a'])
+    print(d['b'])
+except AttributeError:
+    print("SKIP")