typecheck: add support for typing.Any

mitmproxy/utils/typecheck.py

@@ -68,5 +68,7 @@ def check_type(name: str, value: typing.Any, typeinfo: typing.Any) -> None:
             return
         else:
             raise e
+    elif typename.startswith("typing.Any"):
+        return
     elif not isinstance(value, typeinfo):
         raise e

test/mitmproxy/utils/test_typecheck.py

@@ -79,3 +79,9 @@ def test_check_io():
     typecheck.check_type("foo", io.StringIO(), typing.IO[str])
     with pytest.raises(TypeError):
         typecheck.check_type("foo", "foo", typing.IO[str])
+
+
+def test_check_any():
+    typecheck.check_type("foo", 42, typing.Any)
+    typecheck.check_type("foo", object(), typing.Any)
+    typecheck.check_type("foo", None, typing.Any)