Remove bad ctypes patch (#2331)

cpython/patches/0006-Don-t-dereference-function-pointer.patch

@@ -1,34 +0,0 @@
-From d9b55121e5e0671efaa850096d3f816cee18479a Mon Sep 17 00:00:00 2001
-From: Hood <hood@mit.edu>
-Date: Wed, 23 Jun 2021 13:47:30 -0700
-Subject: [PATCH 06/10] Don't dereference function pointer
-
-Ctypes thinks that the result of dlsym is a pointer to the function pointer, so
-it should call it like `result = (*f)(args)`. Probably this is true for the
-native dlsym, but our dlsym returns an index into the indirect call table
-"wasmTable", in particular it isn't even aligned like a pointer should be.
-This patch fixes it so that it calls it like `result = f(args)` instead.
----
- Modules/_ctypes/_ctypes.c | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
-
-diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
-index 5f8a723f63..379aa8a7d5 100644
---- a/Modules/_ctypes/_ctypes.c
-+++ b/Modules/_ctypes/_ctypes.c
-@@ -778,7 +778,11 @@ CDataType_in_dll(PyObject *type, PyObject *args)
-         return NULL;
-     }
- #endif
--    return PyCData_AtAddress(type, address);
-+    CDataObject *ob = (CDataObject *)GenericPyCData_new(type, NULL, NULL);
-+    if (ob == NULL)
-+        return NULL;
-+    *(void **)ob->b_ptr = address;
-+    return (PyObject*)ob;
- }
- 
- static const char from_param_doc[] =
--- 
-2.25.1
-

src/tests/python_tests.yaml

@@ -194,17 +194,12 @@
       - test_callback_large_struct
       - CFunctions
       - test_struct_return_2H
-      - test_frozentable
       - FunctionTestCase
-      - test_an_integer
-      - test_optimizeflag
-      - test_pass_by_value_in_register
-      - test_struct_by_value
+    skip-node:
       - test_longlong_callbacks
       - test_longdouble
       - test_longlong
       - test_ulonglong
-
 - test_curses
 - test_dataclasses
 - test_datetime:

src/tests/test_core_python.py

@@ -11,26 +11,20 @@ from pyodide_build.common import UNVENDORED_STDLIB_MODULES
 
 
 def filter_info(info: dict[str, Any], browser: str) -> dict[str, Any]:
-    info = dict(info)
     # keep only flags related to the current browser
-    flags_to_remove = ["firefox", "chrome", "node"]
-    flags_to_remove.remove(browser)
-    for browser in flags_to_remove:
-        for key in list(info.keys()):
-            if key.endswith(browser):
-                del info[key]
-    return info
+    suffix = "-" + browser
+    result = {key.removesuffix(suffix): value for key, value in info.items()}
+    if "skip" in info and f"skip{suffix}" in info:
+        result["skip"] = info["skip"] + info[f"skip{suffix}"]
+    return result
 
 
 def possibly_skip_test(request, info: dict[str, Any]) -> dict[str, Any]:
-    for reason in (
-        reason for (flag, reason) in info.items() if flag.startswith("segfault")
-    ):
-        pytest.skip(f"known segfault: {reason}")
+    if "segfault" in info:
+        pytest.skip(f"known segfault: {info['segfault']}")
 
-    for reason in (
-        reason for [flag, reason] in info.items() if flag.startswith("xfail")
-    ):
+    if "xfail" in info:
+        reason = info["xfail"]
         if request.config.option.run_xfail:
             request.applymarker(
                 pytest.mark.xfail(