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boost-1.49
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boost-1.57
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@@ -396,27 +396,33 @@
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</blockquote>
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</dd>
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<dt><b><a href="http://www.rationaldiscovery.com">Rational Discovery
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LLC</a></b></dt>
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<dt><b><a href="http://pyrap.googlecode.com/">Pyrap</a></b></dt>
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<dd>
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<p><a href="diepen@astron.nl"
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>Ger van Diepen</a> writes:</p>
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<blockquote>
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<p>Pyrap is the python interface to the Radio-Astronomical Package
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casacore (<a href="http://casacore.googlecode.com/"
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>casacore.googlecode.com</a>). Astronomers love pyrap because
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it makes it easily possible to get their data (observed with
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radio-astronomical telescopes like LOFAR, ASKAP, and eVLA) in numpy
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arrays and do basic data inspection and manipulation using the many
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python packages that are available.</p>
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<p>Boost.Python made it quite easily possible to create converters for
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the various data types, also for numpy arrays and individual elements
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of a numpy array. It's nice they work fully recursively. Mapping C++
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functions to Python was straightforward.</p>
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</blockquote>
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</dd>
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<dt><b><a href="http://www.rdkit.org/"
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>RDKit: Cheminformatics and Machine Learning Software</a></b></dt>
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<dd>
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Rational Discovery provides computational modeling, combinatorial
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library design and custom software development services to the
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pharmaceutical, biotech and chemical industries. We do a substantial
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amount of internal research to develop new approaches for applying
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machine-learning techniques to solve chemical problems. Because we're a
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small organization and chemistry is a large and complex field, it is
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essential that we be able to quickly and easily prototype and test new
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algorithms.
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<p>For our internal software, we implement core data structures in C
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and expose them to Python using Boost.Python. Algorithm development is
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done in Python and then translated to C if required (often it's not).
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This hybrid development approach not only greatly increases our
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productivity, but it also allows "non-developers" (people without C
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experience) to take part in method development. Learning C is a
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daunting task, but "Python fits your brain." (Thanks to Bruce Eckel for
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the quote.)</p>
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A collection of cheminformatics and machine-learning software
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written in C++ and Python.
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</dd>
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</dl>
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@@ -372,8 +372,8 @@ Namespaces are one honking great idea -- let's do more of those!
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or writing thin wrappers:
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</p>
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<pre class="programlisting"><span class="comment">// write "thin wrappers"</span>
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<span class="keyword">int</span> <span class="identifier">f1</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">x</span><span class="special">)</span> <span class="special">{</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">x</span><span class="special">);</span> <span class="special">}</span>
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<span class="keyword">int</span> <span class="identifier">f2</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">x</span><span class="special">,</span> <span class="keyword">double</span> <span class="identifier">y</span><span class="special">)</span> <span class="special">{</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">x</span><span class="special">,</span><span class="identifier">y</span><span class="special">);</span> <span class="special">}</span>
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<span class="keyword">int</span> <span class="identifier">f1</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">x</span><span class="special">)</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">x</span><span class="special">);</span> <span class="special">}</span>
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<span class="keyword">int</span> <span class="identifier">f2</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">x</span><span class="special">,</span> <span class="keyword">double</span> <span class="identifier">y</span><span class="special">)</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">x</span><span class="special">,</span><span class="identifier">y</span><span class="special">);</span> <span class="special">}</span>
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<span class="comment">/*...*/</span>
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@@ -901,8 +901,8 @@ wrapping as outlined in the [link python.overloading previous section], or
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writing thin wrappers:
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// write "thin wrappers"
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int f1(int x) { f(x); }
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int f2(int x, double y) { f(x,y); }
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int f1(int x) { return f(x); }
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int f2(int x, double y) { return f(x,y); }
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/*...*/
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@@ -96,10 +96,10 @@ template <class F, class Policies, class Keywords, class Signature>
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to <code>f</code>. <ul>
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<li> If <code>policies</code> are supplied, it
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will be applied to the function as described <a href=
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"CallPolicies.html">here</a>.
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"CallPolicies.html">here</a>.
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<li>If <code>keywords</code> are
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supplied, the keywords will be applied in order to the final
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arguments of the resulting function.
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arguments of the resulting function.
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<li>If <code>Signature</code>
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is supplied, it should be an instance of an <a
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href="../../../mpl/doc/refmanual/front-extensible-sequence.html">MPL front-extensible
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@@ -125,36 +125,33 @@ template <class F, class Policies, class Keywords, class Signature>
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</dl>
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<pre>
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<a name=
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"make_constructor-spec"></a>template <class T, class ArgList, class Generator>
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<a href="object.html#object-spec">object</a> make_constructor();
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template <class ArgList, class Generator, class Policies>
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<a name="make_constructor-spec">template <class F></a>
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<a href="object.html#object-spec">object</a> make_constructor(F f)
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template <class F, class Policies>
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<a href=
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"object.html#object-spec">object</a> make_constructor(Policies const& policies)
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"object.html#object-spec">object</a> make_constructor(F f, Policies const& policies)
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template <class F, class Policies, class KeywordsOrSignature>
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<a href=
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"object.html#object-spec">object</a> make_constructor(F f, Policies const& policies, KeywordsOrSignature const& ks)
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template <class F, class Policies, class Keywords, class Signature>
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<a href=
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"object.html#object-spec">object</a> make_constructor(F f, Policies const& policies, Keywords const& kw, Signature const& sig)
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</pre>
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<dl class="function-semantics">
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<dt><b>Requires:</b> <code>T</code> is a class type.
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<code>Policies</code> is a model of <a href=
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"CallPolicies.html">CallPolicies</a>. <code>ArgList</code> is an <a
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href="../../../mpl/doc/refmanual/forward-sequence.html">MPL sequence</a> of C++ argument
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types (<i>A1, A2,... AN</i>) such that if
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<code>a1, a2</code>... <code>aN</code> are objects of type
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<i>A1, A2,... AN</i> respectively, the expression <code>new
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Generator::apply<T>::type(a1, a2</code>... <code>aN</code>)
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is valid. Generator is a model of <a href=
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"HolderGenerator.html">HolderGenerator</a>.</dt>
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<dt><b>Requires:</b> <code>F</code> is a
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function pointer type. If <code>policies</code> are supplied, it must
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be a model of <a href="CallPolicies.html">CallPolicies</a>. If
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<code>kewords</code> are supplied, it must be the result of a <a href=
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"args.html#keyword-expression"><em>keyword-expression</em></a>
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specifying no more arguments than the <a href=
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"definitions.html#arity">arity</a> of <code>f</code>.</dt>
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<dt><b>Effects:</b> Creates a Python callable object which, when called
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from Python, expects its first argument to be a Boost.Python extension
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class object. It converts its remaining its arguments to C++ and passes
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them to the constructor of a dynamically-allocated
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<code>Generator::apply<T>::type</code> object, which is then
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installed in the extension class object. In the second form, the
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<code>policies</code> are applied to the arguments and result (<a href=
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"http://www.python.org/doc/current/lib/bltin-null-object.html">None</a>)
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of the Python callable object</dt>
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from Python, converts its arguments to C++ and calls <code>f</code>.</dt>
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<dt><b>Returns:</b> An instance of <a href=
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"object.html#object-spec">object</a> which holds the new Python
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@@ -186,7 +183,7 @@ BOOST_PYTHON_MODULE(make_function_test)
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def("choose_function", choose_function);
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}
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</pre>
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It can be used this way in Python:
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It can be used this way in Python:
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<pre>
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>>> from make_function_test import *
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>>> f = choose_function(1)
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5
example/Jamroot
Executable file → Normal file
5
example/Jamroot
Executable file → Normal file
@@ -11,7 +11,10 @@ use-project boost
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# boost_python library from the project whose global ID is
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# /boost/python.
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project
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: requirements <library>/boost/python//boost_python ;
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: requirements <library>/boost/python//boost_python
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<implicit-dependency>/boost//headers
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: usage-requirements <implicit-dependency>/boost//headers
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;
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# Declare the three extension modules. You can specify multiple
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# source files after the colon separated by spaces.
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2
example/quickstart/Jamroot
Executable file → Normal file
2
example/quickstart/Jamroot
Executable file → Normal file
@@ -12,6 +12,8 @@ use-project boost
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# /boost/python.
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project boost-python-quickstart
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: requirements <library>/boost/python//boost_python
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<implicit-dependency>/boost//headers
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: usage-requirements <implicit-dependency>/boost//headers
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;
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# Make the definition of the python-extension rule available
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@@ -20,7 +20,10 @@ use-project boost
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# boost_python library from the project whose global ID is
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# /boost/python.
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project
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: requirements <library>/boost/python//boost_python ;
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: requirements <library>/boost/python//boost_python
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<implicit-dependency>/boost//headers
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: usage-requirements <implicit-dependency>/boost//headers
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;
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# Declare the three extension modules. You can specify multiple
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# source files after the colon separated by spaces.
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@@ -76,13 +76,13 @@
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# if BOOST_PYTHON_USE_GCC_SYMBOL_VISIBILITY
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# if defined(BOOST_PYTHON_SOURCE)
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# define BOOST_PYTHON_DECL __attribute__ ((visibility("default")))
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# define BOOST_PYTHON_DECL __attribute__ ((__visibility__("default")))
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# define BOOST_PYTHON_BUILD_DLL
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# else
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# define BOOST_PYTHON_DECL
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# endif
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# define BOOST_PYTHON_DECL_FORWARD
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# define BOOST_PYTHON_DECL_EXCEPTION __attribute__ ((visibility("default")))
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# define BOOST_PYTHON_DECL_EXCEPTION __attribute__ ((__visibility__("default")))
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# elif (defined(_WIN32) || defined(__CYGWIN__))
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# if defined(BOOST_PYTHON_SOURCE)
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# define BOOST_PYTHON_DECL __declspec(dllexport)
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@@ -19,7 +19,6 @@
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# include <boost/python/detail/copy_ctor_mutates_rhs.hpp>
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# include <boost/python/detail/void_ptr.hpp>
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# include <boost/python/detail/void_return.hpp>
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# include <boost/utility.hpp>
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# include <boost/call_traits.hpp>
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#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) || BOOST_WORKAROUND(BOOST_INTEL_WIN, <= 900)
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2
include/boost/python/instance_holder.hpp
Executable file → Normal file
2
include/boost/python/instance_holder.hpp
Executable file → Normal file
@@ -7,7 +7,7 @@
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# include <boost/python/detail/prefix.hpp>
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# include <boost/utility.hpp>
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# include <boost/noncopyable.hpp>
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# include <boost/python/type_id.hpp>
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# include <cstddef>
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@@ -76,7 +76,7 @@ extern "C" __declspec(dllexport) _BOOST_PYTHON_MODULE_INIT(name)
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# define BOOST_PYTHON_MODULE_INIT(name) \
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void BOOST_PP_CAT(init_module_,name)(); \
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extern "C" __attribute__ ((visibility("default"))) _BOOST_PYTHON_MODULE_INIT(name)
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extern "C" __attribute__ ((__visibility__("default"))) _BOOST_PYTHON_MODULE_INIT(name)
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# else
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@@ -6,7 +6,6 @@
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# define CLASS_DWA20011214_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/utility.hpp>
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# include <boost/python/object_core.hpp>
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# include <boost/python/type_id.hpp>
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# include <cstddef>
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@@ -348,12 +348,12 @@ namespace api
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// Macros for forwarding constructors in classes derived from
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// object. Derived classes will usually want these as an
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// implementation detail
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# define BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS_(derived, base) \
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inline explicit derived(python::detail::borrowed_reference p) \
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: base(p) {} \
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inline explicit derived(python::detail::new_reference p) \
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: base(p) {} \
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inline explicit derived(python::detail::new_non_null_reference p) \
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# define BOOST_PYTHON_FORWARD_OBJECT_CONSTRUCTORS_(derived, base) \
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inline explicit derived(::boost::python::detail::borrowed_reference p) \
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: base(p) {} \
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inline explicit derived(::boost::python::detail::new_reference p) \
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: base(p) {} \
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inline explicit derived(::boost::python::detail::new_non_null_reference p) \
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: base(p) {}
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# if !defined(BOOST_MSVC) || BOOST_MSVC >= 1300
|
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@@ -8,7 +8,6 @@
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# include <boost/python/detail/prefix.hpp>
|
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# include <boost/python/object.hpp>
|
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# include <boost/python/refcount.hpp>
|
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# include <boost/utility.hpp>
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namespace boost { namespace python {
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@@ -377,7 +377,8 @@ namespace
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static unaryfunc* get_slot(PyObject* obj)
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{
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#if PY_VERSION_HEX >= 0x03000000
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return (PyUnicode_Check(obj)) ? &py_unicode_as_string_unaryfunc : 0;
|
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return (PyUnicode_Check(obj)) ? &py_unicode_as_string_unaryfunc :
|
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PyBytes_Check(obj) ? &py_object_identity : 0;
|
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#else
|
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return (PyString_Check(obj)) ? &obj->ob_type->tp_str : 0;
|
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|
||||
|
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