Test with PYTHON_JULIACALL_HANDLE_SIGNALS=yes (#642)

* remove unused type

* test more python versions

* correct field names and types

* use julia signal handling when testing python

* revert set of tested python versions

---------

Co-authored-by: Christopher Doris <github.com/cjdoris>

Author: cjdoris

.github/workflows/tests.yml

@@ -93,6 +93,7 @@ jobs:
           uv run pytest -s --nbval --cov=pysrc ./pytest/
         env:
           PYTHON_JULIACALL_THREADS: '2'
+          PYTHON_JULIACALL_HANDLE_SIGNALS: 'yes'
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5

src/C/consts.jl

@@ -316,14 +316,12 @@ end
     vectorcall::Ptr{Cvoid} = C_NULL
 
     # Python 3.12+ fields
-    tp_watched::Cchar = 0
+    watched::Cuchar = 0
 
     # Python 3.13+ fields  
-    tp_versions_used::Cushort = 0
+    versions_used::UInt16 = 0
 end
 
-const PyTypePtr = Ptr{PyTypeObject}
-
 @kwdef struct PySimpleObject{T}
     ob_base::PyObject = PyObject()
     value::T