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208 lines (174 loc) · 5.78 KB
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//////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2009-2012, Image Engine Design Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// * Neither the name of Image Engine Design nor the names of any
// other contributors to this software may be used to endorse or
// promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////
#include "boost/python.hpp"
#include "IECorePython/DateTimeDataBinding.h"
#include "IECorePython/IECoreBinding.h"
#include "IECorePython/RunTimeTypedBinding.h"
#include "IECorePython/SimpleTypedDataBinding.h"
#include "IECore/DateTimeData.h"
#include "IECore/Export.h"
IECORE_PUSH_DEFAULT_VISIBILITY
#include "boost/date_time/posix_time/posix_time.hpp"
IECORE_POP_DEFAULT_VISIBILITY
#include "boost/date_time/posix_time/time_parsers.hpp"
#include "boost/python/make_constructor.hpp"
#include <sstream>
#include <datetime.h>
using namespace boost;
using namespace boost::python;
using namespace IECore;
namespace IECorePython
{
static int getMicroseconds( const posix_time::time_duration &dur )
{
static long ticksPerSecond = posix_time::time_duration::ticks_per_second();
long fractionalSeconds = dur.fractional_seconds();
static const int oneMillion = 1000000;
/// Prevent over/underflow
if ( ticksPerSecond > oneMillion )
{
return fractionalSeconds / ( ticksPerSecond / oneMillion );
}
else
{
return fractionalSeconds * ( oneMillion / ticksPerSecond );
}
}
struct ptime_from_python_datetime
{
ptime_from_python_datetime()
{
converter::registry::push_back(
&convertible,
&construct,
type_id<posix_time::ptime> ()
);
}
static void *convertible( PyObject *obj_ptr )
{
if ( !PyDateTime_Check( obj_ptr ) )
{
return nullptr;
}
return obj_ptr;
}
static void construct(
PyObject *obj_ptr,
converter::rvalue_from_python_stage1_data *data )
{
assert( obj_ptr );
assert( PyDateTime_Check( obj_ptr ) );
PyDateTime_DateTime const* datetime = reinterpret_cast<PyDateTime_DateTime*>( obj_ptr );
const posix_time::ptime t(
gregorian::date(
PyDateTime_GET_YEAR( datetime ),
PyDateTime_GET_MONTH( datetime ),
PyDateTime_GET_DAY( datetime )
),
posix_time::time_duration(
PyDateTime_DATE_GET_HOUR( datetime ),
PyDateTime_DATE_GET_MINUTE( datetime ),
PyDateTime_DATE_GET_SECOND( datetime ),
0
) + posix_time::microseconds( PyDateTime_DATE_GET_MICROSECOND( datetime ) )
);
void* storage = (( converter::rvalue_from_python_storage<posix_time::ptime>* ) data )->storage.bytes;
new( storage ) posix_time::ptime( t );
data->convertible = storage;
}
};
struct ptime_to_python
{
static PyObject *convert( const posix_time::ptime &t )
{
if ( t.is_special() )
{
PyErr_SetString(PyExc_ValueError, "Cannot convert out-of-range ptime to datetime");
throw_error_already_set();
}
gregorian::date date = t.date();
posix_time::time_duration dur = t.time_of_day();
return PyDateTime_FromDateAndTime(
static_cast<int>( date.year() ),
static_cast<int>( date.month() ),
static_cast<int>( date.day() ),
static_cast<int>( dur.hours() ),
static_cast<int>( dur.minutes() ),
static_cast<int>( dur.seconds() ),
getMicroseconds( dur )
);
}
};
template<>
std::string repr<DateTimeData>( DateTimeData &x )
{
object item( x.readable() );
assert( item.attr( "__repr__" ) != object() );
std::stringstream s;
s << "IECore.DateTimeData( ";
s << call_method< std::string >( item.ptr(), "__repr__" );
s << " )";
return s.str();
}
template<>
std::string str<DateTimeData>( DateTimeData &x )
{
return posix_time::to_simple_string( x.readable() );
}
static void setValue( DateTimeDataPtr data, const posix_time::ptime &v )
{
assert( data );
data->writable() = v;
}
static const posix_time::ptime &getValue( DateTimeDataPtr data )
{
assert( data );
return data->readable();
}
void bindDateTimeData()
{
PyDateTime_IMPORT;
ptime_from_python_datetime();
to_python_converter<posix_time::ptime, ptime_to_python > ();
TypedDataFromType<DateTimeData>();
RunTimeTypedClass<DateTimeData>()
.def( init<>() )
.def( init<const DateTimeData::ValueType &>() )
.add_property( "value", make_function( &getValue, return_value_policy<copy_const_reference>() ), &setValue )
.def( "__repr__", &repr<DateTimeData> )
.def( "__str__", &str<DateTimeData> )
.def( "hasBase", &DateTimeData::hasBase ).staticmethod( "hasBase" )
;
}
} // namespace IECorePython