Closed modelonrobinandersson closed 1 month ago
Assimulo does not build with Cython 3. We should add support for that.
Build error I got when trying with latest Cython available with Python 3.8:
[1/1] Cythonizing assimulo/explicit_ode.pyx /opt/venv/lib/python3.8/site-packages/Cython/Compiler/Main.py:381: FutureWarning: Cython directive 'language_level' not set, using '3str' for now (Py3). This has changed from earlier releases! File: /opt/build/wheel_build/build/assimulo/explicit_ode.pxd tree = Parsing.p_module(s, pxd, full_module_name) Error compiling Cython file: ------------------------------------------------------------ ... cdef N.ndarray[double, mode="c", ndim=1] g_high_c = N.empty(n_g, dtype = N.double) cdef N.ndarray[double, mode="c", ndim=1] y_high_c = N.array(y_high) cdef int nstatefcns = 0 cdef int ret = explicit_ode.f_event_locator(len(y_high), n_g, 1.e-13, t_low, &t_high, &y_high_c[0], &g_low_c[0], &g_mid_c[0], &g_high_c[0], callback_event, <void*>self.event_func, ^ ------------------------------------------------------------ assimulo/explicit_ode.pyx:345:52: Cannot assign type 'int (int, int, double, double *, double *, void *) except? -1' to 'FP_event_func'. Exception values are incompatible. Suggest adding 'noexcept' to type 'int (int, int, double, double *, double *, void *) except? -1'. Error compiling Cython file: ------------------------------------------------------------ ... cdef N.ndarray[double, mode="c", ndim=1] y_high_c = N.array(y_high) cdef int nstatefcns = 0 cdef int ret = explicit_ode.f_event_locator(len(y_high), n_g, 1.e-13, t_low, &t_high, &y_high_c[0], &g_low_c[0], &g_mid_c[0], &g_high_c[0], callback_event, <void*>self.event_func, callback_interp, <void*>self.interpolate, ^ ------------------------------------------------------------ assimulo/explicit_ode.pyx:346:52: Cannot assign type 'int (int, double, double *, void *) except? -1' to 'FP_interpolation'. Exception values are incompatible. Suggest adding 'noexcept' to type 'int (int, double, double *, void *) except? -1'. Traceback (most recent call last): File "setup.py", line 652, in <module> ext_list = prepare.cython_extensionlists() File "setup.py", line 472, in cython_extensionlists ext_list = cythonize([os.path.join("assimulo", "explicit_ode.pyx")], File "/opt/venv/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1154, in cythonize cythonize_one(*args) File "/opt/venv/lib/python3.8/site-packages/Cython/Build/Dependencies.py", line 1321, in cythonize_one raise CompileError(None, pyx_file) Cython.Compiler.Errors.CompileError: assimulo/explicit_ode.pyx
Assimulo does not build with Cython 3. We should add support for that.
Build error I got when trying with latest Cython available with Python 3.8: