Fix exception check for Cython migration to 3.0 (#558)

cornac/models/bpr/recom_bpr.pxd

@@ -20,7 +20,7 @@ from libcpp cimport bool
 from libcpp.vector cimport vector
 
 
-cdef bool has_non_zero(integral[:], integral[:], integral, integral) nogil
+cdef bool has_non_zero(integral[:], integral[:], integral, integral) noexcept nogil
 
 
 cdef extern from "<boost/random.hpp>" namespace "boost::random":
@@ -29,7 +29,7 @@ cdef extern from "<boost/random.hpp>" namespace "boost::random":
 
     cdef cppclass uniform_int_distribution[T]:
         uniform_int_distribution(T, T)
-        T operator()(mt19937) nogil
+        T operator()(mt19937) noexcept nogil
 
 
 cdef class RNGVector(object):
@@ -38,4 +38,4 @@ cdef class RNGVector(object):
     cdef vector[mt19937] rng
     cdef vector[uniform_int_distribution[long]] dist
 
-    cdef inline long generate(self, int thread_id) nogil
+    cdef inline long generate(self, int thread_id) noexcept nogil

cornac/models/bpr/recom_bpr.pyx

@@ -43,7 +43,7 @@ cdef extern from "recom_bpr.h" namespace "recom_bpr" nogil:
 
 @cython.boundscheck(False)
 cdef bool has_non_zero(integral[:] indptr, integral[:] indices,
-                       integral rowid, integral colid) nogil:
+                       integral rowid, integral colid) noexcept nogil:
     """Given a CSR matrix, returns whether the [rowid, colid] contains a non zero.
     Assumes the CSR matrix has sorted indices"""
     return binary_search(&indices[indptr[rowid]], &indices[indptr[rowid + 1]], colid)
@@ -56,7 +56,7 @@ cdef class RNGVector(object):
             self.rng.push_back(mt19937(rng.randint(2 ** 31)))
             self.dist.push_back(uniform_int_distribution[long](0, rows))
 
-    cdef inline long generate(self, int thread_id) nogil:
+    cdef inline long generate(self, int thread_id) noexcept nogil:
         return self.dist[thread_id](self.rng[thread_id])
 
 

cornac/models/comparer/recom_comparer_obj.pyx

@@ -35,7 +35,7 @@ MODEL_TYPES = {"Dominant": 0, "Finer": 1, "Around": 2}
 
 
 cdef floating _dot(int n, floating *x, int incx,
-                   floating *y, int incy) nogil:
+                   floating *y, int incy) noexcept nogil:
     if floating is float:
         return sdot(&n, x, &incx, y, &incy)
     else:

cornac/models/efm/recom_efm.pyx

@@ -36,7 +36,7 @@ from ...utils.init_utils import uniform
 
 
 cdef floating _dot(int n, floating *x, int incx,
-                   floating *y, int incy) nogil:
+                   floating *y, int incy) noexcept nogil:
     if floating is float:
         return sdot(&n, x, &incx, y, &incy)
     else:

cornac/models/lrppm/recom_lrppm.pyx

@@ -39,13 +39,13 @@ from ..mter.recom_mter cimport get_key
 cdef extern from "../bpr/recom_bpr.h" namespace "recom_bpr" nogil:
     cdef int get_thread_num()
 
-cdef int get_key3(int i_id, int j_id, int k_id) nogil:
+cdef int get_key3(int i_id, int j_id, int k_id) noexcept nogil:
     return get_key(get_key(i_id, j_id), k_id)
 
 @cython.boundscheck(False)
 @cython.wraparound(False)
 cdef floating get_score(floating[:, :] U, floating[:, :] I, floating[:, :] UA, floating[:, :] IA,
-                        int n_factors, int u_idx, int i_idx, int a_idx) nogil:
+                        int n_factors, int u_idx, int i_idx, int a_idx) noexcept nogil:
     cdef floating score = 0.
     cdef int k
     for k in range(n_factors):

cornac/models/mter/recom_mter.pxd

@@ -19,8 +19,8 @@ from cython cimport floating, integral
 from libcpp.vector cimport vector
 
 
-cdef int get_key(int i_id, int j_id) nogil
+cdef int get_key(int i_id, int j_id) noexcept nogil
 
 cdef floating get_score(floating[:, :, :] G, int dim1, int dim2, int dim3,
                         floating[:, :] U, floating[:, :] I, floating[:, :] A,
-                        int u_idx, int i_idx, int a_idx) nogil
+                        int u_idx, int i_idx, int a_idx) noexcept nogil

cornac/models/mter/recom_mter.pyx

@@ -39,15 +39,15 @@ cdef extern from "../bpr/recom_bpr.h" namespace "recom_bpr" nogil:
     cdef int get_thread_num()
 
 
-cdef int get_key(int i_id, int j_id) nogil:
+cdef int get_key(int i_id, int j_id) noexcept nogil:
     return (i_id + j_id) * (i_id + j_id + 1) // 2 + j_id
 
 
 @cython.boundscheck(False)
 @cython.wraparound(False)
 cdef floating get_score(floating[:, :, :] G, int dim1, int dim2, int dim3,
                         floating[:, :] U, floating[:, :] I, floating[:, :] A,
-                        int u_idx, int i_idx, int a_idx) nogil:
+                        int u_idx, int i_idx, int a_idx) noexcept nogil:
     cdef floating score = 0.
     for i in range(dim1):
         for j in range(dim2):