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1 | // Copyright David Abrahams 2002. |
2 | // Distributed under the Boost Software License, Version 1.0. (See | |
3 | // accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | ||
6 | #include <boost/python/handle.hpp> | |
7 | #include <boost/python/type_id.hpp> | |
8 | #include <boost/python/errors.hpp> | |
9 | #include <boost/python/refcount.hpp> | |
10 | ||
11 | #include <boost/python/detail/config.hpp> | |
12 | #include <boost/python/detail/wrap_python.hpp> | |
13 | ||
14 | #include <boost/python/converter/builtin_converters.hpp> | |
15 | #include <boost/python/converter/rvalue_from_python_data.hpp> | |
16 | #include <boost/python/converter/registry.hpp> | |
17 | #include <boost/python/converter/registrations.hpp> | |
18 | #include <boost/python/converter/shared_ptr_deleter.hpp> | |
19 | #include <boost/python/converter/pytype_function.hpp> | |
20 | ||
21 | #include <boost/cast.hpp> | |
22 | #include <string> | |
23 | #include <complex> | |
24 | ||
25 | namespace boost { namespace python { namespace converter { | |
26 | ||
27 | shared_ptr_deleter::shared_ptr_deleter(handle<> owner) | |
28 | : owner(owner) | |
29 | {} | |
30 | ||
31 | shared_ptr_deleter::~shared_ptr_deleter() {} | |
32 | ||
33 | void shared_ptr_deleter::operator()(void const*) | |
34 | { | |
35 | owner.reset(); | |
36 | } | |
37 | ||
38 | namespace | |
39 | { | |
40 | ||
41 | // An lvalue conversion function which extracts a char const* from a | |
42 | // Python String. | |
43 | #if PY_VERSION_HEX < 0x03000000 | |
44 | void* convert_to_cstring(PyObject* obj) | |
45 | { | |
46 | return PyString_Check(obj) ? PyString_AsString(obj) : 0; | |
47 | } | |
48 | #else | |
49 | void* convert_to_cstring(PyObject* obj) | |
50 | { | |
51 | return PyUnicode_Check(obj) ? _PyUnicode_AsString(obj) : 0; | |
52 | } | |
53 | #endif | |
54 | ||
55 | // Given a target type and a SlotPolicy describing how to perform a | |
56 | // given conversion, registers from_python converters which use the | |
57 | // SlotPolicy to extract the type. | |
58 | template <class T, class SlotPolicy> | |
59 | struct slot_rvalue_from_python | |
60 | { | |
61 | public: | |
62 | slot_rvalue_from_python() | |
63 | { | |
64 | registry::insert( | |
65 | &slot_rvalue_from_python<T,SlotPolicy>::convertible | |
66 | , &slot_rvalue_from_python<T,SlotPolicy>::construct | |
67 | , type_id<T>() | |
68 | , &SlotPolicy::get_pytype | |
69 | ); | |
70 | } | |
71 | ||
72 | private: | |
73 | static void* convertible(PyObject* obj) | |
74 | { | |
75 | unaryfunc* slot = SlotPolicy::get_slot(obj); | |
76 | return slot && *slot ? slot : 0; | |
77 | } | |
78 | ||
79 | static void construct(PyObject* obj, rvalue_from_python_stage1_data* data) | |
80 | { | |
81 | // Get the (intermediate) source object | |
82 | unaryfunc creator = *static_cast<unaryfunc*>(data->convertible); | |
83 | handle<> intermediate(creator(obj)); | |
84 | ||
85 | // Get the location in which to construct | |
86 | void* storage = ((rvalue_from_python_storage<T>*)data)->storage.bytes; | |
87 | # ifdef _MSC_VER | |
88 | # pragma warning(push) | |
89 | # pragma warning(disable:4244) | |
90 | # endif | |
91 | new (storage) T( SlotPolicy::extract(intermediate.get()) ); | |
92 | ||
93 | # ifdef _MSC_VER | |
94 | # pragma warning(pop) | |
95 | # endif | |
96 | // record successful construction | |
97 | data->convertible = storage; | |
98 | } | |
99 | }; | |
100 | ||
101 | // identity_unaryfunc/py_object_identity -- manufacture a unaryfunc | |
102 | // "slot" which just returns its argument. | |
103 | extern "C" PyObject* identity_unaryfunc(PyObject* x) | |
104 | { | |
105 | Py_INCREF(x); | |
106 | return x; | |
107 | } | |
108 | unaryfunc py_object_identity = identity_unaryfunc; | |
109 | ||
110 | #if PY_VERSION_HEX >= 0x03000000 | |
111 | // As in Python 3 there is only one integer type, we can have much | |
112 | // simplified logic. | |
113 | // XXX(bhy) maybe the code will work with 2.6 or even 2.5? | |
114 | struct int_rvalue_from_python_base | |
115 | { | |
116 | static unaryfunc* get_slot(PyObject* obj) | |
117 | { | |
118 | return PyLong_Check(obj) ? &py_object_identity : 0; | |
119 | } | |
120 | static PyTypeObject const* get_pytype() {return &PyLong_Type;} | |
121 | }; | |
122 | ||
123 | template <class T> | |
124 | struct signed_int_rvalue_from_python : int_rvalue_from_python_base | |
125 | { | |
126 | static T extract(PyObject* intermediate) | |
127 | { | |
128 | long x = PyLong_AsLong(intermediate); | |
129 | if (PyErr_Occurred()) | |
130 | throw_error_already_set(); | |
131 | return numeric_cast<T>(x); | |
132 | } | |
133 | }; | |
134 | ||
135 | template <class T> | |
136 | struct unsigned_int_rvalue_from_python : int_rvalue_from_python_base | |
137 | { | |
138 | static T extract(PyObject* intermediate) | |
139 | { | |
140 | unsigned long x = PyLong_AsUnsignedLong(intermediate); | |
141 | if (PyErr_Occurred()) | |
142 | throw_error_already_set(); | |
143 | return numeric_cast<T>(x); | |
144 | } | |
145 | }; | |
146 | #else // PY_VERSION_HEX >= 0x03000000 | |
147 | // A SlotPolicy for extracting signed integer types from Python objects | |
148 | struct signed_int_rvalue_from_python_base | |
149 | { | |
150 | static unaryfunc* get_slot(PyObject* obj) | |
151 | { | |
152 | PyNumberMethods* number_methods = obj->ob_type->tp_as_number; | |
153 | if (number_methods == 0) | |
154 | return 0; | |
155 | ||
156 | return ( | |
157 | #if PY_VERSION_HEX >= 0x02040000 && defined(BOOST_PYTHON_BOOL_INT_STRICT) | |
158 | !PyBool_Check(obj) && | |
159 | #endif | |
160 | (PyInt_Check(obj) || PyLong_Check(obj))) | |
161 | ||
162 | ? &number_methods->nb_int : 0; | |
163 | } | |
164 | static PyTypeObject const* get_pytype() { return &PyInt_Type;} | |
165 | }; | |
166 | ||
167 | template <class T> | |
168 | struct signed_int_rvalue_from_python : signed_int_rvalue_from_python_base | |
169 | { | |
170 | static T extract(PyObject* intermediate) | |
171 | { | |
172 | long x = PyInt_AsLong(intermediate); | |
173 | if (PyErr_Occurred()) | |
174 | throw_error_already_set(); | |
175 | return numeric_cast<T>(x); | |
176 | } | |
177 | }; | |
178 | ||
179 | // A SlotPolicy for extracting unsigned integer types from Python objects | |
180 | struct unsigned_int_rvalue_from_python_base | |
181 | { | |
182 | static unaryfunc* get_slot(PyObject* obj) | |
183 | { | |
184 | PyNumberMethods* number_methods = obj->ob_type->tp_as_number; | |
185 | if (number_methods == 0) | |
186 | return 0; | |
187 | ||
188 | return ( | |
189 | #if PY_VERSION_HEX >= 0x02040000 && defined(BOOST_PYTHON_BOOL_INT_STRICT) | |
190 | !PyBool_Check(obj) && | |
191 | #endif | |
192 | (PyInt_Check(obj) || PyLong_Check(obj))) | |
193 | ? &py_object_identity : 0; | |
194 | } | |
195 | static PyTypeObject const* get_pytype() { return &PyInt_Type;} | |
196 | }; | |
197 | ||
198 | template <class T> | |
199 | struct unsigned_int_rvalue_from_python : unsigned_int_rvalue_from_python_base | |
200 | { | |
201 | static T extract(PyObject* intermediate) | |
202 | { | |
203 | if (PyLong_Check(intermediate)) { | |
204 | // PyLong_AsUnsignedLong() checks for negative overflow, so no | |
205 | // need to check it here. | |
206 | unsigned long result = PyLong_AsUnsignedLong(intermediate); | |
207 | if (PyErr_Occurred()) | |
208 | throw_error_already_set(); | |
209 | return numeric_cast<T>(result); | |
210 | } else { | |
211 | // None of PyInt_AsUnsigned*() functions check for negative | |
212 | // overflow, so use PyInt_AS_LONG instead and check if number is | |
213 | // negative, issuing the exception appropriately. | |
214 | long result = PyInt_AS_LONG(intermediate); | |
215 | if (PyErr_Occurred()) | |
216 | throw_error_already_set(); | |
217 | if (result < 0) { | |
218 | PyErr_SetString(PyExc_OverflowError, "can't convert negative" | |
219 | " value to unsigned"); | |
220 | throw_error_already_set(); | |
221 | } | |
222 | return numeric_cast<T>(result); | |
223 | } | |
224 | } | |
225 | }; | |
226 | #endif // PY_VERSION_HEX >= 0x03000000 | |
227 | ||
228 | // Checking Python's macro instead of Boost's - we don't seem to get | |
229 | // the config right all the time. Furthermore, Python's is defined | |
230 | // when long long is absent but __int64 is present. | |
231 | ||
232 | #ifdef HAVE_LONG_LONG | |
233 | // A SlotPolicy for extracting long long types from Python objects | |
234 | ||
235 | struct long_long_rvalue_from_python_base | |
236 | { | |
237 | static unaryfunc* get_slot(PyObject* obj) | |
238 | { | |
239 | #if PY_VERSION_HEX >= 0x03000000 | |
240 | return PyLong_Check(obj) ? &py_object_identity : 0; | |
241 | #else | |
242 | PyNumberMethods* number_methods = obj->ob_type->tp_as_number; | |
243 | if (number_methods == 0) | |
244 | return 0; | |
245 | ||
246 | // Return the identity conversion slot to avoid creating a | |
247 | // new object. We'll handle that in the extract function | |
248 | if (PyInt_Check(obj)) | |
249 | return &number_methods->nb_int; | |
250 | else if (PyLong_Check(obj)) | |
251 | return &number_methods->nb_long; | |
252 | else | |
253 | return 0; | |
254 | #endif | |
255 | } | |
256 | static PyTypeObject const* get_pytype() { return &PyLong_Type;} | |
257 | }; | |
258 | ||
259 | struct long_long_rvalue_from_python : long_long_rvalue_from_python_base | |
260 | { | |
261 | static BOOST_PYTHON_LONG_LONG extract(PyObject* intermediate) | |
262 | { | |
263 | #if PY_VERSION_HEX < 0x03000000 | |
264 | if (PyInt_Check(intermediate)) | |
265 | { | |
266 | return PyInt_AS_LONG(intermediate); | |
267 | } | |
268 | else | |
269 | #endif | |
270 | { | |
271 | BOOST_PYTHON_LONG_LONG result = PyLong_AsLongLong(intermediate); | |
272 | ||
273 | if (PyErr_Occurred()) | |
274 | throw_error_already_set(); | |
275 | ||
276 | return result; | |
277 | } | |
278 | } | |
279 | }; | |
280 | ||
281 | struct unsigned_long_long_rvalue_from_python : long_long_rvalue_from_python_base | |
282 | { | |
283 | static unsigned BOOST_PYTHON_LONG_LONG extract(PyObject* intermediate) | |
284 | { | |
285 | #if PY_VERSION_HEX < 0x03000000 | |
286 | if (PyInt_Check(intermediate)) | |
287 | { | |
288 | return numeric_cast<unsigned BOOST_PYTHON_LONG_LONG>(PyInt_AS_LONG(intermediate)); | |
289 | } | |
290 | else | |
291 | #endif | |
292 | { | |
293 | unsigned BOOST_PYTHON_LONG_LONG result = PyLong_AsUnsignedLongLong(intermediate); | |
294 | ||
295 | if (PyErr_Occurred()) | |
296 | throw_error_already_set(); | |
297 | ||
298 | return result; | |
299 | } | |
300 | } | |
301 | }; | |
302 | #endif | |
303 | ||
304 | // A SlotPolicy for extracting bool from a Python object | |
305 | struct bool_rvalue_from_python | |
306 | { | |
307 | static unaryfunc* get_slot(PyObject* obj) | |
308 | { | |
309 | #if PY_VERSION_HEX >= 0x03000000 | |
310 | return obj == Py_None || PyLong_Check(obj) ? &py_object_identity : 0; | |
311 | #elif PY_VERSION_HEX >= 0x02040000 && defined(BOOST_PYTHON_BOOL_INT_STRICT) | |
312 | return obj == Py_None || PyBool_Check(obj) ? &py_object_identity : 0; | |
313 | #else | |
314 | return obj == Py_None || PyInt_Check(obj) ? &py_object_identity : 0; | |
315 | #endif | |
316 | } | |
317 | ||
318 | static bool extract(PyObject* intermediate) | |
319 | { | |
320 | return PyObject_IsTrue(intermediate); | |
321 | } | |
322 | ||
323 | static PyTypeObject const* get_pytype() | |
324 | { | |
325 | #if PY_VERSION_HEX >= 0x02030000 | |
326 | return &PyBool_Type; | |
327 | #else | |
328 | return &PyInt_Type; | |
329 | #endif | |
330 | } | |
331 | }; | |
332 | ||
333 | // A SlotPolicy for extracting floating types from Python objects. | |
334 | struct float_rvalue_from_python | |
335 | { | |
336 | static unaryfunc* get_slot(PyObject* obj) | |
337 | { | |
338 | PyNumberMethods* number_methods = obj->ob_type->tp_as_number; | |
339 | if (number_methods == 0) | |
340 | return 0; | |
341 | ||
342 | // For integer types, return the tp_int conversion slot to avoid | |
343 | // creating a new object. We'll handle that below | |
344 | #if PY_VERSION_HEX < 0x03000000 | |
345 | if (PyInt_Check(obj)) | |
346 | return &number_methods->nb_int; | |
347 | #endif | |
348 | ||
349 | return (PyLong_Check(obj) || PyFloat_Check(obj)) | |
350 | ? &number_methods->nb_float : 0; | |
351 | } | |
352 | ||
353 | static double extract(PyObject* intermediate) | |
354 | { | |
355 | #if PY_VERSION_HEX < 0x03000000 | |
356 | if (PyInt_Check(intermediate)) | |
357 | { | |
358 | return PyInt_AS_LONG(intermediate); | |
359 | } | |
360 | else | |
361 | #endif | |
362 | { | |
363 | return PyFloat_AS_DOUBLE(intermediate); | |
364 | } | |
365 | } | |
366 | static PyTypeObject const* get_pytype() { return &PyFloat_Type;} | |
367 | }; | |
368 | ||
369 | #if PY_VERSION_HEX >= 0x03000000 | |
370 | unaryfunc py_unicode_as_string_unaryfunc = PyUnicode_AsUTF8String; | |
371 | #endif | |
372 | ||
373 | // A SlotPolicy for extracting C++ strings from Python objects. | |
374 | struct string_rvalue_from_python | |
375 | { | |
376 | // If the underlying object is "string-able" this will succeed | |
377 | static unaryfunc* get_slot(PyObject* obj) | |
378 | { | |
379 | #if PY_VERSION_HEX >= 0x03000000 | |
380 | return (PyUnicode_Check(obj)) ? &py_unicode_as_string_unaryfunc : | |
381 | PyBytes_Check(obj) ? &py_object_identity : 0; | |
382 | #else | |
383 | return (PyString_Check(obj)) ? &obj->ob_type->tp_str : 0; | |
384 | ||
385 | #endif | |
386 | }; | |
387 | ||
388 | // Remember that this will be used to construct the result object | |
389 | #if PY_VERSION_HEX >= 0x03000000 | |
390 | static std::string extract(PyObject* intermediate) | |
391 | { | |
392 | return std::string(PyBytes_AsString(intermediate),PyBytes_Size(intermediate)); | |
393 | } | |
394 | static PyTypeObject const* get_pytype() { return &PyUnicode_Type;} | |
395 | #else | |
396 | static std::string extract(PyObject* intermediate) | |
397 | { | |
398 | return std::string(PyString_AsString(intermediate),PyString_Size(intermediate)); | |
399 | } | |
400 | static PyTypeObject const* get_pytype() { return &PyString_Type;} | |
401 | #endif | |
402 | }; | |
403 | ||
404 | #if defined(Py_USING_UNICODE) && !defined(BOOST_NO_STD_WSTRING) | |
405 | // encode_string_unaryfunc/py_encode_string -- manufacture a unaryfunc | |
406 | // "slot" which encodes a Python string using the default encoding | |
407 | extern "C" PyObject* encode_string_unaryfunc(PyObject* x) | |
408 | { | |
409 | return PyUnicode_FromEncodedObject( x, 0, 0 ); | |
410 | } | |
411 | unaryfunc py_encode_string = encode_string_unaryfunc; | |
412 | ||
413 | // A SlotPolicy for extracting C++ strings from Python objects. | |
414 | struct wstring_rvalue_from_python | |
415 | { | |
416 | // If the underlying object is "string-able" this will succeed | |
417 | static unaryfunc* get_slot(PyObject* obj) | |
418 | { | |
419 | return PyUnicode_Check(obj) | |
420 | ? &py_object_identity | |
421 | #if PY_VERSION_HEX >= 0x03000000 | |
422 | : PyBytes_Check(obj) | |
423 | #else | |
424 | : PyString_Check(obj) | |
425 | #endif | |
426 | ? &py_encode_string | |
427 | : 0; | |
428 | }; | |
429 | ||
430 | // Remember that this will be used to construct the result object | |
431 | static std::wstring extract(PyObject* intermediate) | |
432 | { | |
b32b8144 FG |
433 | // On Windows, with Python >= 3.3, PyObject_Length cannot be used to get |
434 | // the size of the wchar_t string, because it will count the number of | |
435 | // *code points*, but some characters not on the BMP will use two UTF-16 | |
436 | // *code units* (surrogate pairs). | |
437 | // This is not a problem on Unix, since wchar_t is 32-bit. | |
438 | #if defined(_WIN32) && PY_VERSION_HEX >= 0x03030000 | |
439 | BOOST_STATIC_ASSERT(sizeof(wchar_t) == 2); | |
440 | ||
441 | Py_ssize_t size = 0; | |
442 | wchar_t *buf = PyUnicode_AsWideCharString(intermediate, &size); | |
443 | if (buf == NULL) { | |
444 | boost::python::throw_error_already_set(); | |
445 | } | |
446 | std::wstring result(buf, size); | |
447 | PyMem_Free(buf); | |
448 | #else | |
7c673cae FG |
449 | std::wstring result(::PyObject_Length(intermediate), L' '); |
450 | if (!result.empty()) | |
451 | { | |
452 | int err = PyUnicode_AsWideChar( | |
453 | #if PY_VERSION_HEX < 0x03020000 | |
454 | (PyUnicodeObject *) | |
455 | #endif | |
456 | intermediate | |
457 | , &result[0] | |
458 | , result.size()); | |
459 | ||
460 | if (err == -1) | |
461 | throw_error_already_set(); | |
462 | } | |
b32b8144 | 463 | #endif |
7c673cae FG |
464 | return result; |
465 | } | |
466 | static PyTypeObject const* get_pytype() { return &PyUnicode_Type;} | |
467 | }; | |
468 | #endif | |
469 | ||
470 | struct complex_rvalue_from_python | |
471 | { | |
472 | static unaryfunc* get_slot(PyObject* obj) | |
473 | { | |
474 | if (PyComplex_Check(obj)) | |
475 | return &py_object_identity; | |
476 | else | |
477 | return float_rvalue_from_python::get_slot(obj); | |
478 | } | |
479 | ||
480 | static std::complex<double> extract(PyObject* intermediate) | |
481 | { | |
482 | if (PyComplex_Check(intermediate)) | |
483 | { | |
484 | return std::complex<double>( | |
485 | PyComplex_RealAsDouble(intermediate) | |
486 | , PyComplex_ImagAsDouble(intermediate)); | |
487 | } | |
488 | #if PY_VERSION_HEX < 0x03000000 | |
489 | else if (PyInt_Check(intermediate)) | |
490 | { | |
491 | return PyInt_AS_LONG(intermediate); | |
492 | } | |
493 | #endif | |
494 | else | |
495 | { | |
496 | return PyFloat_AS_DOUBLE(intermediate); | |
497 | } | |
498 | } | |
499 | static PyTypeObject const* get_pytype() { return &PyComplex_Type;} | |
500 | }; | |
501 | } | |
502 | ||
503 | BOOST_PYTHON_DECL PyObject* do_return_to_python(char x) | |
504 | { | |
505 | #if PY_VERSION_HEX >= 0x03000000 | |
506 | return PyUnicode_FromStringAndSize(&x, 1); | |
507 | #else | |
508 | return PyString_FromStringAndSize(&x, 1); | |
509 | #endif | |
510 | } | |
511 | ||
512 | BOOST_PYTHON_DECL PyObject* do_return_to_python(char const* x) | |
513 | { | |
514 | #if PY_VERSION_HEX >= 0x03000000 | |
515 | return x ? PyUnicode_FromString(x) : boost::python::detail::none(); | |
516 | #else | |
517 | return x ? PyString_FromString(x) : boost::python::detail::none(); | |
518 | #endif | |
519 | } | |
520 | ||
521 | BOOST_PYTHON_DECL PyObject* do_return_to_python(PyObject* x) | |
522 | { | |
523 | return x ? x : boost::python::detail::none(); | |
524 | } | |
525 | ||
526 | BOOST_PYTHON_DECL PyObject* do_arg_to_python(PyObject* x) | |
527 | { | |
528 | if (x == 0) | |
529 | return boost::python::detail::none(); | |
530 | ||
531 | Py_INCREF(x); | |
532 | return x; | |
533 | } | |
534 | ||
535 | #define REGISTER_INT_CONVERTERS(signedness, U) \ | |
536 | slot_rvalue_from_python< \ | |
537 | signedness U \ | |
538 | ,signedness##_int_rvalue_from_python<signedness U> \ | |
539 | >() | |
540 | ||
541 | #define REGISTER_INT_CONVERTERS2(U) \ | |
542 | REGISTER_INT_CONVERTERS(signed, U); \ | |
543 | REGISTER_INT_CONVERTERS(unsigned, U) | |
544 | ||
545 | void initialize_builtin_converters() | |
546 | { | |
547 | // booleans | |
548 | slot_rvalue_from_python<bool,bool_rvalue_from_python>(); | |
549 | ||
550 | // integer types | |
551 | REGISTER_INT_CONVERTERS2(char); | |
552 | REGISTER_INT_CONVERTERS2(short); | |
553 | REGISTER_INT_CONVERTERS2(int); | |
554 | REGISTER_INT_CONVERTERS2(long); | |
555 | ||
556 | // using Python's macro instead of Boost's - we don't seem to get the | |
557 | // config right all the time. | |
558 | # ifdef HAVE_LONG_LONG | |
559 | slot_rvalue_from_python<signed BOOST_PYTHON_LONG_LONG,long_long_rvalue_from_python>(); | |
560 | slot_rvalue_from_python<unsigned BOOST_PYTHON_LONG_LONG,unsigned_long_long_rvalue_from_python>(); | |
561 | # endif | |
562 | ||
563 | // floating types | |
564 | slot_rvalue_from_python<float,float_rvalue_from_python>(); | |
565 | slot_rvalue_from_python<double,float_rvalue_from_python>(); | |
566 | slot_rvalue_from_python<long double,float_rvalue_from_python>(); | |
567 | ||
568 | slot_rvalue_from_python<std::complex<float>,complex_rvalue_from_python>(); | |
569 | slot_rvalue_from_python<std::complex<double>,complex_rvalue_from_python>(); | |
570 | slot_rvalue_from_python<std::complex<long double>,complex_rvalue_from_python>(); | |
571 | ||
572 | // Add an lvalue converter for char which gets us char const* | |
573 | #if PY_VERSION_HEX < 0x03000000 | |
574 | registry::insert(convert_to_cstring,type_id<char>(),&converter::wrap_pytype<&PyString_Type>::get_pytype); | |
575 | #else | |
576 | registry::insert(convert_to_cstring,type_id<char>(),&converter::wrap_pytype<&PyUnicode_Type>::get_pytype); | |
577 | #endif | |
578 | ||
579 | // Register by-value converters to std::string, std::wstring | |
580 | #if defined(Py_USING_UNICODE) && !defined(BOOST_NO_STD_WSTRING) | |
581 | slot_rvalue_from_python<std::wstring, wstring_rvalue_from_python>(); | |
582 | # endif | |
583 | slot_rvalue_from_python<std::string, string_rvalue_from_python>(); | |
584 | ||
585 | } | |
586 | ||
587 | }}} // namespace boost::python::converter |