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GeezerVison is showing github.com — char conversions · boostorg/python@c170b1b

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  • test
    • callbacks.cpp
    • callbacks.py
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‎test/callbacks.cpp‎

Copy file name to clipboardExpand all lines: test/callbacks.cpp
+38Lines changed: 38 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,8 @@
88
#include <boost/python/class.hpp>
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#include <boost/ref.hpp>
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#include <boost/python/ptr.hpp>
11+
#include <boost/python/return_value_policy.hpp>
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#include <boost/python/reference_existing_object.hpp>
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using namespace boost::python;
1315

@@ -48,6 +50,16 @@ void apply_void_X_ref(PyObject* f, X& x)
4850
returning<void>::call(f, boost::ref(x));
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}
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53+
X& apply_X_ref_pyobject(PyObject* f, PyObject* obj)
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{
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return returning<X&>::call(f, obj);
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}
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X* apply_X_ptr_pyobject(PyObject* f, PyObject* obj)
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{
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return returning<X*>::call(f, obj);
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}
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5163
void apply_void_X_cref(PyObject* f, X const& x)
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{
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returning<void>::call(f, boost::cref(x));
@@ -63,6 +75,21 @@ void apply_void_X_deep_ptr(PyObject* f, X* x)
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returning<void>::call(f, x);
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}
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char const* apply_cstring_cstring(PyObject* f, char const* s)
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{
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return returning <char const*>::call(f, s);
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}
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char const* apply_cstring_pyobject(PyObject* f, PyObject* s)
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{
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return returning <char const*>::call(f, s);
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}
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char apply_char_char(PyObject* f, char c)
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{
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return returning <char>::call(f, c);
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}
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6693
int X::counter;
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BOOST_PYTHON_MODULE_INIT(callbacks_ext)
@@ -75,6 +102,17 @@ BOOST_PYTHON_MODULE_INIT(callbacks_ext)
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.def("apply_void_X_cref", apply_void_X_cref)
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.def("apply_void_X_ptr", apply_void_X_ptr)
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.def("apply_void_X_deep_ptr", apply_void_X_deep_ptr)
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.def("apply_X_ptr_pyobject", apply_X_ptr_pyobject
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, return_value_policy<reference_existing_object>())
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.def("apply_X_ref_pyobject", apply_X_ref_pyobject
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, return_value_policy<reference_existing_object>())
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.def("apply_cstring_cstring", apply_cstring_cstring)
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.def("apply_cstring_pyobject", apply_cstring_pyobject)
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.def("apply_char_char", apply_char_char)
115+
78116
.add(
79117
class_<X>("X")
80118
.def_init(args<int>())
Collapse file

‎test/callbacks.py‎

Copy file name to clipboardExpand all lines: test/callbacks.py
+40Lines changed: 40 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -66,6 +66,46 @@
6666
44
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>>> last_x.value()
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43
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>>> y = apply_X_ref_pyobject(identity, x)
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>>> assert y.value() == x.value()
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>>> increment(x)
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>>> assert y.value() == x.value()
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>>> y = apply_X_ptr_pyobject(identity, x)
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>>> assert y.value() == x.value()
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>>> increment(x)
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>>> assert y.value() == x.value()
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>>> y = apply_X_ptr_pyobject(identity, None)
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>>> y
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>>> def new_x(ignored):
84+
... return X(666)
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...
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>>> try: apply_X_ref_pyobject(new_x, 1)
87+
... except ReferenceError: pass
88+
... else: print 'no error'
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90+
>>> try: apply_X_ptr_pyobject(new_x, 1)
91+
... except ReferenceError: pass
92+
... else: print 'no error'
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94+
>>> try: apply_cstring_cstring(identity, 'hello')
95+
... except ReferenceError: pass
96+
... else: print 'no error'
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98+
>>> apply_char_char(identity, 'x')
99+
'x'
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>>> apply_cstring_pyobject(identity, 'hello')
102+
'hello'
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>>> apply_cstring_pyobject(identity, None)
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>>> apply_char_char(identity, 'x')
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'x'
69109
'''
70110

71111
def run(args = None):

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