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annotate __py_struct_from_dict__.cc @ 375:d0a7f66393fc

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Fix __py_class_name__ tests to work with Python 2 * __py_struct_from_dict__.cc: Fix __py_class_name__ tests to work with Python 2.
author Mike Miller <mtmiller@octave.org>
date Fri, 26 Aug 2016 18:51:29 -0700
parents d362cdd1ddeb
children 668fcb0f68ef
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2016 Mike Miller
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4
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5 This file is part of Pytave.
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6
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7 Pytave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation, either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Pytave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Pytave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include <config.h>
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25 #endif
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26
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27 #include <Python.h>
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28 #include <octave/oct.h>
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29
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30 #define PYTAVE_DO_DECLARE_SYMBOL
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31 #include "arrayobjectdefs.h"
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32 #include "exceptions.h"
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33 #include "oct-py-types.h"
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34 #include "oct-py-util.h"
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35 #include "octave_to_python.h"
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36
373
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37 DEFUN_DLD (__py_class_name__, args, ,
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38 "-*- texinfo -*-\n\
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39 @deftypefn {} {} __py_class_name__ (@var{obj})\n\
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40 Return the name of the class of the Python object @var{obj}.\n\
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41 \n\
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42 This is a private internal function not intended for direct use.\n\
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43 @end deftypefn")
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44 {
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45 if (args.length () != 1)
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46 print_usage ();
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47
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48 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
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49 error ("__py_class_name__: argument must be a valid Python object");
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50
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51 Py_Initialize ();
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52
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53 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
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54 std::string name = pytave::py_object_class_name (obj);
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55 Py_DECREF (obj);
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56
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57 return ovl (name);
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58 }
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59
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60 /*
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61 %!assert (__py_class_name__ (pyeval ("None")), "NoneType")
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62 %!assert (__py_class_name__ (pyeval ("'Octave'")), "str")
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63 %!assert (__py_class_name__ (pyeval ("{}")), "dict")
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64 %!assert (__py_class_name__ (pyeval ("[]")), "list")
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65 %!assert (__py_class_name__ (pyeval ("()")), "tuple")
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66 %!assert (__py_class_name__ (pyeval ("__import__('array').array('d')")), "array.array")
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67
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68 %!error __py_class_name__ ()
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69 %!error __py_class_name__ (1)
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70 %!error __py_class_name__ (1, 2)
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71 */
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72
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73 DEFUN_DLD (__py_int64_scalar_value__, args, nargout,
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74 "-*- texinfo -*-\n\
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75 @deftypefn {} {} __py_int64_scalar_value__ (@var{x})\n\
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76 Extract a scalar int64 value from the Python integer @var{x}.\n\
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77 \n\
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78 This is a private internal function not intended for direct use.\n\
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79 @end deftypefn")
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80 {
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81 if (args.length () != 1)
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82 print_usage ();
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83
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84 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
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85 error ("pyobject.int64: argument must be a Python object");
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86
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87 Py_Initialize ();
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88
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89 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
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90 if (! obj)
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91 error ("pyobject.int64: argument must be a valid Python object");
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92
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93 octave_int64 retval;
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94
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95 try
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96 {
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97 retval = pytave::extract_py_int64 (obj);
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98 }
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99 catch (pytave::object_convert_exception const &)
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100 {
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101 error ("pyobject.int64: argument must be a Python int or long object");
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102 }
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103 catch (boost::python::error_already_set const &)
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104 {
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105 std::string message = pytave::fetch_exception_message ();
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106 error ("pyobject.int64: %s", message.c_str ());
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107 }
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108 Py_DECREF (obj);
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109
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110 return ovl (retval);
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111 }
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112
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113 /*
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114 %!assert (__py_int64_scalar_value__ (pyobject (pyeval ("0"))), int64 (0))
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115 %!assert (__py_int64_scalar_value__ (pyobject (pyeval ("2**62"))), int64 (2^62))
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116 %!assert (__py_int64_scalar_value__ (pyobject (pyeval ("-2**62"))), int64 (-2^62))
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117 %!assert (__py_int64_scalar_value__ (pyobject (pyeval ("2**128"))), intmax ("int64"))
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118 %!assert (__py_int64_scalar_value__ (pyobject (pyeval ("-2**128"))), intmin ("int64"))
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119
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120 %!error __py_int64_scalar_value__ ()
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121 %!error __py_int64_scalar_value__ (1)
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122 %!error __py_int64_scalar_value__ (pyeval ("None"))
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123 %!error __py_int64_scalar_value__ (1, 2)
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124 */
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125
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126 DEFUN_DLD (__py_uint64_scalar_value__, args, nargout,
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127 "-*- texinfo -*-\n\
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128 @deftypefn {} {} __py_uint64_scalar_value__ (@var{x})\n\
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129 Extract a scalar uint64 value from the Python integer @var{x}.\n\
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130 \n\
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131 This is a private internal function not intended for direct use.\n\
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132 @end deftypefn")
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133 {
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134 if (args.length () != 1)
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135 print_usage ();
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136
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137 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
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138 error ("pyobject.uint64: argument must be a Python object");
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139
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140 Py_Initialize ();
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141
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142 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
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143 if (! obj)
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144 error ("pyobject.uint64: argument must be a valid Python object");
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145
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146 octave_uint64 retval;
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147
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148 try
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149 {
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150 retval = pytave::extract_py_uint64 (obj);
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151 }
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152 catch (pytave::object_convert_exception const &)
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153 {
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154 error ("pyobject.uint64: argument must be a Python int or long object");
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155 }
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156 catch (boost::python::error_already_set const &)
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157 {
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158 std::string message = pytave::fetch_exception_message ();
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159 error ("pyobject.uint64: %s", message.c_str ());
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160 }
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161 Py_DECREF (obj);
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162
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163 return ovl (retval);
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164 }
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165
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166 /*
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167 %!assert (__py_uint64_scalar_value__ (pyobject (pyeval ("0"))), uint64 (0))
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168 %!assert (__py_uint64_scalar_value__ (pyobject (pyeval ("2**62"))), uint64 (2^62))
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169 %!assert (__py_uint64_scalar_value__ (pyobject (pyeval ("2**128"))), intmax ("uint64"))
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170 %!assert (__py_uint64_scalar_value__ (pyobject (pyeval ("-2**128"))), intmin ("uint64"))
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171
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172 %!error __py_uint64_scalar_value__ ()
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173 %!error __py_uint64_scalar_value__ (1)
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174 %!error __py_uint64_scalar_value__ (pyeval ("None"))
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175 %!error __py_uint64_scalar_value__ (1, 2)
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176 */
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177
368
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178 DEFUN_DLD (__py_is_none__, args, nargout,
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179 "-*- texinfo -*-\n\
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180 @deftypefn {} {} __py_is_none__ (@var{x})\n\
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181 Check whether the Python object @var{obj} is the @code{None} object.\n\
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182 \n\
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183 This is a private internal function not intended for direct use.\n\
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diff changeset
184 @end deftypefn")
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185 {
4d54fb68de71 __py_is_none__: new compiled function to test whether an object is None
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186 if (args.length () != 1)
4d54fb68de71 __py_is_none__: new compiled function to test whether an object is None
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187 print_usage ();
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188
4d54fb68de71 __py_is_none__: new compiled function to test whether an object is None
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189 Py_Initialize ();
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190
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191 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
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192
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193 bool retval = (obj && (obj == Py_None));
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194 Py_XDECREF (obj);
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195
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196 return ovl (retval);
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197 }
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198
4d54fb68de71 __py_is_none__: new compiled function to test whether an object is None
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199 /*
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200 %!assert (__py_is_none__ (pyobject ()))
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201 %!assert (__py_is_none__ (pyeval ("None")))
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202 %!assert (! __py_is_none__ (1))
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203 %!assert (! __py_is_none__ ("None"))
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204 %!assert (! __py_is_none__ (pyobject (1)))
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205 %!assert (! __py_is_none__ (pyobject ("None")))
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diff changeset
206
4d54fb68de71 __py_is_none__: new compiled function to test whether an object is None
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207 %!error __py_is_none__ ()
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208 %!error __py_is_none__ (1, 2)
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diff changeset
209 */
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210
358
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
211 DEFUN_DLD (__py_isinstance__, args, nargout,
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212 "-*- texinfo -*-\n\
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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213 @deftypefn {} {} __py_isinstance__ (@var{x})\n\
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diff changeset
214 Check whether the Python object @var{obj} is an instance of a Python type\n\
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diff changeset
215 specified by the string @var{type}.\n\
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
216 \n\
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
217 This is a private internal function not intended for direct use.\n\
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
218 @end deftypefn")
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
219 {
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
220 octave_value_list retval;
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
221
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
222 int nargin = args.length ();
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
223 if (nargin != 2)
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
224 {
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
225 print_usage ();
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
226 return retval;
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
227 }
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
228
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
229 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
230 error ("pyobject.isa: OBJ must be a Python object");
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
231
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
232 if (! args(1).is_string ())
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
233 error ("pyobject.isa: TYPE must be a string naming a Python type (py.*)");
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
234
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
235 std::string typestr = args(1).string_value ();
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diff changeset
236 if (! ((typestr.size () > 3) && (typestr.compare (0, 3, "py.") == 0)))
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
237 error ("pyobject.isa: TYPE must be a string naming a Python type (py.*)");
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
238
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
239 typestr = typestr.substr (3);
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diff changeset
240
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
241 Py_Initialize ();
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
242
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
243 try
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
244 {
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
245 // FIXME: PyObject *obj = look up stored pyobject reference (args(0));
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
246 boost::python::object arg;
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
247 pytave::octvalue_to_pyobj (arg, args(0));
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
248 PyObject *obj = arg.ptr ();
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diff changeset
249
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
250 PyObject *type = pytave::py_find_type (typestr);
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
251 retval(0) = pytave::py_isinstance (obj, type);
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
252 Py_XDECREF (type);
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
253 }
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
254 catch (pytave::object_convert_exception const &)
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
255 {
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
256 error ("pyobject.isa: error in return value type conversion");
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
257 }
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
258 catch (boost::python::error_already_set const &)
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
259 {
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
260 std::string message = pytave::fetch_exception_message ();
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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diff changeset
261 error ("pyobject.isa: %s", message.c_str ());
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parents: 356
diff changeset
262 }
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parents: 356
diff changeset
263
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
Mike Miller <mtmiller@octave.org>
parents: 356
diff changeset
264 return retval;
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
Mike Miller <mtmiller@octave.org>
parents: 356
diff changeset
265 }
d41fc23d4b9f pyobject.isa: New overload method to handle Python types (fixes issue #49)
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parents: 356
diff changeset
266
362
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diff changeset
267 DEFUN_DLD (__py_objstore_del__, args, nargout,
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diff changeset
268 "-*- texinfo -*-\n\
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diff changeset
269 @deftypefn {} {} __py_objstore_del__ (@var{key})\n\
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diff changeset
270 Delete the Python object stored under @var{key} from the object store.\n\
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diff changeset
271 \n\
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diff changeset
272 This is a private internal function not intended for direct use.\n\
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parents: 358
diff changeset
273 @end deftypefn")
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parents: 358
diff changeset
274 {
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parents: 358
diff changeset
275 if (args.length () != 1)
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parents: 358
diff changeset
276 print_usage ();
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diff changeset
277
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parents: 358
diff changeset
278 Py_Initialize ();
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diff changeset
279 uint64_t key = args(0).xuint64_scalar_value ("__py_objstore_del__: KEY must be an integer");
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diff changeset
280 pytave::py_objstore_del (key);
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diff changeset
281
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parents: 358
diff changeset
282 return ovl ();
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diff changeset
283 }
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diff changeset
284
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diff changeset
285 DEFUN_DLD (__py_objstore_get__, args, nargout,
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diff changeset
286 "-*- texinfo -*-\n\
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diff changeset
287 @deftypefn {} {} __py_objstore_get__ (@var{key})\n\
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diff changeset
288 Get the Python object stored under @var{key} from the object store.\n\
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diff changeset
289 \n\
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diff changeset
290 This is a private internal function not intended for direct use.\n\
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diff changeset
291 @end deftypefn")
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diff changeset
292 {
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diff changeset
293 if (args.length () != 1)
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294 print_usage ();
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295
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296 Py_Initialize ();
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diff changeset
297 uint64_t key = args(0).xuint64_scalar_value ("__py_objstore_get__: KEY must be an integer");
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298 PyObject *obj = pytave::py_objstore_get (key);
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diff changeset
299
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diff changeset
300 if (! obj)
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diff changeset
301 error ("__py_objstore_get__: no existing Python object found for key %ju", key);
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302
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diff changeset
303 octave_value retval = pytave::pyobject_wrap_object (obj);
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304
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305 return ovl (retval);
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306 }
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diff changeset
307
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diff changeset
308 DEFUN_DLD (__py_objstore_put__, args, nargout,
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diff changeset
309 "-*- texinfo -*-\n\
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310 @deftypefn {} {} __py_objstore_put__ (@var{value})\n\
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diff changeset
311 Convert @var{value} to a Python value and store in the object store.\n\
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diff changeset
312 \n\
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diff changeset
313 This is a private internal function not intended for direct use.\n\
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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diff changeset
314 @end deftypefn")
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diff changeset
315 {
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parents: 358
diff changeset
316 if (args.length () != 1)
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317 print_usage ();
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diff changeset
318
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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319 Py_Initialize ();
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diff changeset
320 boost::python::numeric::array::set_module_and_type ("numpy", "ndarray");
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diff changeset
321 _import_array ();
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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diff changeset
322 // FIXME: PyObject *obj = convert argument to Python (args(0));
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diff changeset
323 PyObject *obj = 0;
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diff changeset
324 try
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parents: 358
diff changeset
325 {
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diff changeset
326 boost::python::object arg;
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diff changeset
327 pytave::octvalue_to_pyobj (arg, args(0));
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diff changeset
328 obj = arg.ptr ();
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329 Py_INCREF (obj);
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diff changeset
330 }
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diff changeset
331 catch (pytave::value_convert_exception const &)
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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diff changeset
332 {
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parents: 358
diff changeset
333 }
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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parents: 358
diff changeset
334
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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parents: 358
diff changeset
335 if (! obj)
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diff changeset
336 error ("__py_objstore_put__: VALUE must be convertible to a Python value");
b0677c492655 Overhaul Python object storage and wrapping in pyobject
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diff changeset
337
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diff changeset
338 uint64_t key = pytave::py_objstore_put (obj);
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339 Py_DECREF (obj);
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parents: 358
diff changeset
340
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diff changeset
341 return ovl (octave_uint64 (key));
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diff changeset
342 }
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parents: 358
diff changeset
343
365
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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diff changeset
344 DEFUN_DLD (__py_string_value__, args, nargout,
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
345 "-*- texinfo -*-\n\
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
346 @deftypefn {} {} __py_string_value__ (@var{obj})\n\
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diff changeset
347 Return the string value or representation of the Python object @var{obj}.\n\
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
348 \n\
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
349 This is a private internal function not intended for direct use.\n\
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
350 @end deftypefn")
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
351 {
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
352 if (args.length () != 1)
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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diff changeset
353 print_usage ();
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
354
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
355 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
356 error ("pyobject.char: argument must be a valid Python object");
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
357
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
358 Py_Initialize ();
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
359
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
360 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
361 if (! obj)
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
362 error ("pyobject.char: argument must be a valid Python object");
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
363
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
364 std::string str;
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
365
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
366 if (PyBytes_Check (obj) || PyUnicode_Check (obj))
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
367 str = pytave::extract_py_str (obj);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
368 else if (Py_TYPE (obj)->tp_str != NULL)
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
369 {
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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diff changeset
370 PyObject *s = PyObject_Str (obj);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
371 str = pytave::extract_py_str (s);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
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parents: 362
diff changeset
372 Py_DECREF (s);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
373 }
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
374 else
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
375 {
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
376 Py_DECREF (obj);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
377 error ("pyobject.char: cannot convert Python object to string");
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
378 }
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
379
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
380 Py_DECREF (obj);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
381
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
382 return ovl (str);
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
383 }
087e7bc3697f Do not automatically convert Python strings to Octave strings (fixes issue #65)
Mike Miller <mtmiller@octave.org>
parents: 362
diff changeset
384
345
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
385 DEFUN_DLD (__py_struct_from_dict__, args, nargout,
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
386 "-*- texinfo -*-\n\
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
387 @deftypefn {} {} __py_struct_from_dict__ (@var{dict})\n\
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
388 Extract a scalar struct from the Python dict @var{dict}.\n\
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
389 \n\
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
390 This is a private internal function not intended for direct use.\n\
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
391 @end deftypefn")
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
392 {
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
393 octave_value_list retval;
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
394 std::string id;
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
395
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
396 int nargin = args.length ();
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
397
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
398 if (nargin != 1)
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
399 {
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
400 print_usage ();
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
401 return retval;
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
402 }
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
diff changeset
403
baff3b90dcb1 __py_struct_from_dict__: new private compiled conversion function
Mike Miller <mtmiller@octave.org>
parents:
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404 if (! (args(0).is_object () && args(0).class_name () == "pyobject"))
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405 error ("pyobject.struct: argument must be a Python object");
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406
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407 Py_Initialize ();
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408
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409 try
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410 {
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411 // FIXME: PyObject *obj = look up stored pyobject reference (args(0));
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412 boost::python::object arg;
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413 pytave::octvalue_to_pyobj (arg, args(0));
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414 PyObject *obj = arg.ptr ();
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415
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416 retval(0) = pytave::extract_py_scalar_map (obj);
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417 }
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418 catch (pytave::object_convert_exception const &)
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419 {
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420 error ("pyobject.struct: error in return value type conversion");
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421 }
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422 catch (boost::python::error_already_set const &)
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423 {
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424 std::string message = pytave::fetch_exception_message ();
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425 error ("pyobject.struct: %s", message.c_str ());
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426 }
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427
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428 return retval;
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429 }
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430
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431 /*
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432 ## No test needed for internal helper function.
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433 %!assert (1)
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434 */