On Thu, 11 Jun 2026 07:41:20 -0000 (UTC), I wrote:
I see ctypes has a py_object type, but you can’t seem to do much
with it. The following might be more useful:
Example use: accessing a more powerful Cairo wrapper in a context
where the GUI toolkit wrapper (e.g. PyGObject for GTK) wants to
give you only a pycairo object.
----
import ctypes as ct
import qahirah as qah
from pyobjhack import PyObject
class PyCairo_Context(ct.Structure) :
"extract cairo_t pointer from pycairo.Context object."
_fields_ = \
[
("header", PyObject),
("ctx", ct.c_void_p),
]
@classmethod
def get_ctx(celf, pyctx) :
return \
ct.c_void_p(celf.from_address(id(pyctx)).ctx).value
#end get_ctx
#end PyCairo_Context
def pycairo_to_qah(ctx) :
"returns a qah.Context object wrapping the cairo_t pointer from" \
" a given cairo.Context object."
gx = PyCairo_Context.get_ctx(ctx)
qah.cairo.cairo_reference(gx) # grab one for myself
return \
qah.Context(gx)
#end pycairo_to_qah