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
|
/*
* This software was developed by the Thermal Modeling and Analysis
* Project(TMAP) of the National Oceanographic and Atmospheric
* Administration's (NOAA) Pacific Marine Environmental Lab(PMEL),
* hereafter referred to as NOAA/PMEL/TMAP.
*
* Access and use of this software shall impose the following
* obligations and understandings on the user. The user is granted the
* right, without any fee or cost, to use, copy, modify, alter, enhance
* and distribute this software, and any derivative works thereof, and
* its supporting documentation for any purpose whatsoever, provided
* that this entire notice appears in all copies of the software,
* derivative works and supporting documentation. Further, the user
* agrees to credit NOAA/PMEL/TMAP in any publications that result from
* the use of this software or in any product that includes this
* software. The names TMAP, NOAA and/or PMEL, however, may not be used
* in any advertising or publicity to endorse or promote any products
* or commercial entity unless specific written permission is obtained
* from NOAA/PMEL/TMAP. The user also understands that NOAA/PMEL/TMAP
* is not obligated to provide the user with any support, consulting,
* training or assistance of any kind with regard to the use, operation
* and performance of this software nor to provide the user with any
* updates, revisions, new versions or "bug fixes".
*
* THIS SOFTWARE IS PROVIDED BY NOAA/PMEL/TMAP "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NOAA/PMEL/TMAP BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <Python.h>
#define PY_ARRAY_UNIQUE_SYMBOL pyferret_ARRAY_API
#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#define NO_IMPORT_ARRAY
#include <numpy/arrayobject.h>
#include "ferret.h"
#include "pyferret.h"
#include "EF_Util.h"
static const char *AXIS_NAMES[MAX_FERRET_NDIM] = { "X", "Y", "Z", "T", "E", "F" };
/*
* See pyferret.h for information on this function
*/
void pyefcn_result_limits(int id, char modname[], char errmsg[])
{
PyObject *valobj;
PyObject *usermod;
PyObject *seqobj;
int seqlen;
int k, q;
int call_made;
PyObject *subseqobj;
int subseqlen;
PyObject *itemobj;
int limits[2];
/*
* Import the user's Python module
*/
#if PY_MAJOR_VERSION > 2
valobj = PyUnicode_FromString(modname);
#else
valobj = PyString_FromString(modname);
#endif
if ( valobj == NULL ) {
PyErr_Clear();
sprintf(errmsg, "Problems creating a Python string from the module name: %s", modname);
return;
}
usermod = PyImport_Import(valobj);
/* valobj no longer needed */
Py_DECREF(valobj);
/* check for errors */
if ( usermod == NULL ) {
PyErr_Clear();
sprintf(errmsg, "Unable to import module: %s", modname);
return;
}
/*
* Call the ferret_result_limits method in the user's python module with the ferret function ID as the sole argument
*/
valobj = PyObject_CallMethod(usermod, RESULT_LIMITS_METHOD_NAME, "i", id);
/* usermod no longer needed */
Py_DECREF(usermod);
/* check for errors */
if ( valobj == NULL ) {
sprintf(errmsg, "Error when calling %s in %s: %s", RESULT_LIMITS_METHOD_NAME, modname, pyefcn_get_error());
return;
}
/*
* Process the contents of the tuple returned, which cannot be None, since one of the axes needs to be assigned
*/
seqobj = PySequence_Fast(valobj, "limits tuple");
/* valobj no longer needed - PySequence_Fast has either incremented the reference count or made a copy as a tuple */
Py_DECREF(valobj);
if ( seqobj == NULL ) {
PyErr_Clear();
sprintf(errmsg, "Invalid return value (not a tuple or list) from %s in %s", RESULT_LIMITS_METHOD_NAME, modname);
return;
}
seqlen = (int) PySequence_Fast_GET_SIZE(seqobj);
if ( seqlen > MAX_FERRET_NDIM ) {
Py_DECREF(seqobj);
sprintf(errmsg, "Invalid return value (tuple or list with more than %d items) from %s in %s",
MAX_FERRET_NDIM, RESULT_LIMITS_METHOD_NAME, modname);
return;
}
/* Process each item in the tuple returned */
call_made = 0;
for (k = 0; k < seqlen; k++) {
valobj = PySequence_Fast_GET_ITEM(seqobj, (Py_ssize_t) k); /* borrowed reference */
/* None is acceptable here */
if ( valobj != Py_None ) {
subseqobj = PySequence_Fast(valobj, "limits item");
if ( subseqobj == NULL ) {
PyErr_Clear();
Py_DECREF(seqobj);
sprintf(errmsg, "Invalid result limits value (not None, a tuple, or a list) for the %s axis", AXIS_NAMES[k]);
return;
}
subseqlen = (int) PySequence_Fast_GET_SIZE(subseqobj);
/* If given, it must be a pair */
if ( subseqlen != 2 ) {
Py_DECREF(subseqobj);
Py_DECREF(seqobj);
sprintf(errmsg, "Invalid result limits value (not a pair of values) for the %s axis", AXIS_NAMES[k]);
return;
}
for (q = 0; q < 2; q++) {
itemobj = PySequence_Fast_GET_ITEM(subseqobj, (Py_ssize_t) q); /* borrowed reference */
#if PY_MAJOR_VERSION > 2
limits[q] = (int) PyLong_AsLong(itemobj);
#else
limits[q] = (int) PyInt_AsLong(itemobj);
#endif
if ( PyErr_Occurred() ) {
PyErr_Clear();
Py_DECREF(subseqobj);
Py_DECREF(seqobj);
if ( q == 0 )
sprintf(errmsg, "Invalid result limits low value (not an int) for the %s axis", AXIS_NAMES[k]);
else
sprintf(errmsg, "Invalid result limits high value (not an int) for the %s axis", AXIS_NAMES[k]);
return;
}
}
Py_DECREF(subseqobj);
q = k+1;
FORTRAN(ef_set_axis_limits)(&id, &q, &(limits[0]), &(limits[1]));
call_made = 1;
}
}
Py_DECREF(seqobj);
/* Make sure ef_set_axis_limits_ was called at least once */
if ( ! call_made )
sprintf(errmsg, "No result limits were given in the tuple returned from %s in %s", RESULT_LIMITS_METHOD_NAME, modname);
else
errmsg[0] = '\0';
return;
}
|
