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comparison __py_struct_from_dict__.cc @ 368:4d54fb68de71

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__py_is_none__: new compiled function to test whether an object is None * __py_struct_from_dict__.cc (F__py_is_none__): New function. * @py/subsref.m, @pyobject/subsref.m, pycall.cc: Use __py_is_none__ instead of ad hoc lambda expression.
author Mike Miller <mtmiller@octave.org>
date Thu, 25 Aug 2016 16:27:46 -0700
parents 087e7bc3697f
children 0e4097c66788
comparison
equal deleted inserted replaced
367:9d7188514f2c 368:4d54fb68de71
76 } 76 }
77 77
78 return retval; 78 return retval;
79 } 79 }
80 80
81 DEFUN_DLD (__py_is_none__, args, nargout,
82 "-*- texinfo -*-\n\
83 @deftypefn {} {} __py_is_none__ (@var{x})\n\
84 Check whether the Python object @var{obj} is the @code{None} object.\n\
85 \n\
86 This is a private internal function not intended for direct use.\n\
87 @end deftypefn")
88 {
89 if (args.length () != 1)
90 print_usage ();
91
92 Py_Initialize ();
93
94 PyObject *obj = pytave::pyobject_unwrap_object (args(0));
95
96 bool retval = (obj && (obj == Py_None));
97 Py_XDECREF (obj);
98
99 return ovl (retval);
100 }
101
102 /*
103 %!assert (__py_is_none__ (pyobject ()))
104 %!assert (__py_is_none__ (pyeval ("None")))
105 %!assert (! __py_is_none__ (1))
106 %!assert (! __py_is_none__ ("None"))
107 %!assert (! __py_is_none__ (pyobject (1)))
108 %!assert (! __py_is_none__ (pyobject ("None")))
109
110 %!error __py_is_none__ ()
111 %!error __py_is_none__ (1, 2)
112 */
113
81 DEFUN_DLD (__py_isinstance__, args, nargout, 114 DEFUN_DLD (__py_isinstance__, args, nargout,
82 "-*- texinfo -*-\n\ 115 "-*- texinfo -*-\n\
83 @deftypefn {} {} __py_isinstance__ (@var{x})\n\ 116 @deftypefn {} {} __py_isinstance__ (@var{x})\n\
84 Check whether the Python object @var{obj} is an instance of a Python type\n\ 117 Check whether the Python object @var{obj} is an instance of a Python type\n\
85 specified by the string @var{type}.\n\ 118 specified by the string @var{type}.\n\