1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
import os
import genapi
import numpy_api
from genapi import \
TypeApi, GlobalVarApi, FunctionApi, BoolValuesApi
h_template = r"""
#ifdef _UMATHMODULE
#ifdef NPY_ENABLE_SEPARATE_COMPILATION
extern NPY_NO_EXPORT PyTypeObject PyUFunc_Type;
#else
NPY_NO_EXPORT PyTypeObject PyUFunc_Type;
#endif
%s
#else
#if defined(PY_UFUNC_UNIQUE_SYMBOL)
#define PyUFunc_API PY_UFUNC_UNIQUE_SYMBOL
#endif
#if defined(NO_IMPORT) || defined(NO_IMPORT_UFUNC)
extern void **PyUFunc_API;
#else
#if defined(PY_UFUNC_UNIQUE_SYMBOL)
void **PyUFunc_API;
#else
static void **PyUFunc_API=NULL;
#endif
#endif
%s
static int
_import_umath(void)
{
PyObject *numpy = PyImport_ImportModule("numpy.core.umath");
PyObject *c_api = NULL;
if (numpy == NULL) {
PyErr_SetString(PyExc_ImportError, "numpy.core.umath failed to import");
return -1;
}
c_api = PyObject_GetAttrString(numpy, "_UFUNC_API");
Py_DECREF(numpy);
if (c_api == NULL) {
PyErr_SetString(PyExc_AttributeError, "_UFUNC_API not found");
return -1;
}
#if PY_VERSION_HEX >= 0x03000000
if (!PyCapsule_CheckExact(c_api)) {
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is not PyCapsule object");
Py_DECREF(c_api);
return -1;
}
PyUFunc_API = (void **)PyCapsule_GetPointer(c_api, NULL);
#else
if (!PyCObject_Check(c_api)) {
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is not PyCObject object");
Py_DECREF(c_api);
return -1;
}
PyUFunc_API = (void **)PyCObject_AsVoidPtr(c_api);
#endif
Py_DECREF(c_api);
if (PyUFunc_API == NULL) {
PyErr_SetString(PyExc_RuntimeError, "_UFUNC_API is NULL pointer");
return -1;
}
return 0;
}
#define import_umath() { UFUNC_NOFPE if (_import_umath() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.umath failed to import"); return; }}
#define import_umath1(ret) { UFUNC_NOFPE if (_import_umath() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.umath failed to import"); return ret; }}
#define import_umath2(msg, ret) { UFUNC_NOFPE if (_import_umath() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, msg); return ret; }}
#define import_ufunc() { UFUNC_NOFPE if (_import_umath() < 0) {PyErr_Print(); PyErr_SetString(PyExc_ImportError, "numpy.core.umath failed to import"); }}
#endif
"""
c_template = r"""
/* These pointers will be stored in the C-object for use in other
extension modules
*/
void *PyUFunc_API[] = {
%s
};
"""
def generate_api(output_dir, force=False):
basename = 'ufunc_api'
h_file = os.path.join(output_dir, '__%s.h' % basename)
c_file = os.path.join(output_dir, '__%s.c' % basename)
d_file = os.path.join(output_dir, '%s.txt' % basename)
targets = (h_file, c_file, d_file)
sources = ['ufunc_api_order.txt']
if (not force and not genapi.should_rebuild(targets, sources + [__file__])):
return targets
else:
do_generate_api(targets, sources)
return targets
def do_generate_api(targets, sources):
header_file = targets[0]
c_file = targets[1]
doc_file = targets[2]
ufunc_api_index = genapi.merge_api_dicts((
numpy_api.ufunc_funcs_api,
numpy_api.ufunc_types_api))
genapi.check_api_dict(ufunc_api_index)
ufunc_api_list = genapi.get_api_functions('UFUNC_API', numpy_api.ufunc_funcs_api)
# Create dict name -> *Api instance
ufunc_api_dict = {}
api_name = 'PyUFunc_API'
for f in ufunc_api_list:
name = f.name
index = ufunc_api_index[name]
ufunc_api_dict[name] = FunctionApi(f.name, index, f.return_type,
f.args, api_name)
for name, index in numpy_api.ufunc_types_api.items():
ufunc_api_dict[name] = TypeApi(name, index, 'PyTypeObject', api_name)
# set up object API
module_list = []
extension_list = []
init_list = []
for name, index in genapi.order_dict(ufunc_api_index):
api_item = ufunc_api_dict[name]
extension_list.append(api_item.define_from_array_api_string())
init_list.append(api_item.array_api_define())
module_list.append(api_item.internal_define())
# Write to header
fid = open(header_file, 'w')
s = h_template % ('\n'.join(module_list), '\n'.join(extension_list))
fid.write(s)
fid.close()
# Write to c-code
fid = open(c_file, 'w')
s = c_template % ',\n'.join(init_list)
fid.write(s)
fid.close()
# Write to documentation
fid = open(doc_file, 'w')
fid.write('''
=================
Numpy Ufunc C-API
=================
''')
for func in ufunc_api_list:
fid.write(func.to_ReST())
fid.write('\n\n')
fid.close()
return targets
|
