hikyuu2/hikyuu_pywrap/_Parameter.h
2020-06-26 21:39:53 +08:00

277 lines
8.2 KiB
C++

/*
* _Parameter.h
*
* Created on: 2015年3月11日
* Author: fasiondog
*/
#ifndef PYTHON_PARAMETER_H_
#define PYTHON_PARAMETER_H_
#include <boost/python.hpp>
#include <hikyuu/utilities/Parameter.h>
#include <hikyuu/Log.h>
#include <hikyuu/KData.h>
#include "pybind_utils.h"
#include "pickle_support.h"
namespace hku {
using namespace boost::python;
/*
* boost::any To Python转换器
*/
struct AnyToPython {
static PyObject* convert(boost::any x) {
if (x.type() == typeid(bool)) {
bool tmp = boost::any_cast<bool>(x);
return tmp ? Py_True : Py_False;
// object *o = new object(boost::any_cast<bool>(x));
// return (*o).ptr();
} else if (x.type() == typeid(int)) {
return Py_BuildValue("n", boost::any_cast<int>(x));
} else if (x.type() == typeid(double)) {
return Py_BuildValue("d", boost::any_cast<double>(x));
} else if (x.type() == typeid(string)) {
string s(boost::any_cast<string>(x));
return Py_BuildValue("s", s.c_str());
} else if (x.type() == typeid(Stock)) {
const Stock& stk = boost::any_cast<Stock>(x);
string cmd;
if (stk.isNull()) {
cmd = "Stock()";
} else {
cmd = "getStock('" + stk.market_code() + "')";
}
object o = eval(cmd.c_str());
return boost::python::incref(o.ptr());
} else if (x.type() == typeid(KQuery)) {
const KQuery& query = boost::any_cast<KQuery>(x);
std::stringstream cmd(std::stringstream::out);
if (query.queryType() == KQuery::INDEX) {
cmd << "QueryByIndex(" << query.start() << "," << query.end() << ", Query."
<< KQuery::getKTypeName(query.kType()) << ", Query."
<< KQuery::getRecoverTypeName(query.recoverType()) << ")";
} else {
cmd << "QueryByDate(Datetime(" << query.startDatetime() << "), Datetime("
<< query.endDatetime() << "), "
<< "Query." << KQuery::getKTypeName(query.kType()) << "Query."
<< KQuery::getRecoverTypeName(query.recoverType()) << ")";
}
object o = eval(cmd.str().c_str());
return boost::python::incref(o.ptr());
} else if (x.type() == typeid(KData)) {
KData kdata = boost::any_cast<KData>(x);
Stock stock = kdata.getStock();
KQuery query = kdata.getQuery();
std::stringstream cmd;
if (stock.isNull()) {
cmd << "KData()";
} else {
cmd << "getStock('" << stock.market_code() << "').getKData(";
if (query.queryType() == KQuery::INDEX) {
cmd << "QueryByIndex(" << query.start() << "," << query.end() << ", Query."
<< KQuery::getKTypeName(query.kType()) << ", Query."
<< KQuery::getRecoverTypeName(query.recoverType()) << ")";
} else {
cmd << "QueryByDate(Datetime(" << query.startDatetime() << "), Datetime("
<< query.endDatetime() << "), "
<< "Query." << KQuery::getKTypeName(query.kType()) << "Query."
<< KQuery::getRecoverTypeName(query.recoverType()) << ")";
}
}
std::cout << cmd.str() << std::endl;
object o = eval(cmd.str().c_str());
return boost::python::incref(o.ptr());
} else if (x.type() == typeid(PriceList)) {
const PriceList& price_list = boost::any_cast<PriceList>(x);
boost::python::list o;
for (auto iter = price_list.begin(); iter != price_list.end(); ++iter) {
o.append(*iter);
}
return boost::python::incref(o.ptr());
} else if (x.type() == typeid(DatetimeList)) {
const DatetimeList& date_list = boost::any_cast<DatetimeList>(x);
boost::python::list o;
for (auto iter = date_list.begin(); iter != date_list.end(); ++iter) {
o.append(*iter);
}
return boost::python::incref(o.ptr());
} else {
HKU_ERROR("convert failed! Unkown type! Will return None!");
return Py_BuildValue("s", (char*)0);
}
}
};
template <>
inline void Parameter::set<object>(const string& name, const object& o) {
if (o.is_none()) {
HKU_THROW_EXCEPTION(std::logic_error, "Not support None!");
}
if (!have(name)) {
if (PyBool_Check(o.ptr())) {
m_params[name] = bool(extract<bool>(o));
return;
}
extract<int> x2(o);
if (x2.check()) {
m_params[name] = x2();
return;
}
extract<double> x3(o);
if (x3.check()) {
m_params[name] = x3();
return;
}
extract<string> x4(o);
if (x4.check()) {
m_params[name] = x4();
return;
}
extract<Stock> x5(o);
if (x5.check()) {
m_params[name] = x5();
return;
}
extract<KQuery> x6(o);
if (x6.check()) {
m_params[name] = x6();
return;
}
extract<KData> x7(o);
if (x7.check()) {
m_params[name] = x7();
return;
}
try {
boost::python::list pylist(o);
size_t total = len(pylist);
if (total > 0) {
extract<price_t> x8(pylist[0]);
if (x8.check()) {
m_params[name] = python_list_to_vector<PriceList>(pylist);
return;
}
extract<Datetime> x9(pylist[0]);
if (x9.check()) {
m_params[name] = python_list_to_vector<DatetimeList>(pylist);
return;
}
}
} catch (...) {
// do nothing
}
throw std::logic_error("Unsuport Type! " + name);
return;
}
string mismatch("Mismatch Type! " + name);
if (m_params[name].type() == typeid(bool)) {
extract<bool> x1(o);
if (x1.check()) {
m_params[name] = x1();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(int)) {
extract<int> x2(o);
if (x2.check()) {
m_params[name] = x2();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(double)) {
extract<double> x3(o);
if (x3.check()) {
m_params[name] = x3();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(string)) {
extract<string> x4(o);
if (x4.check()) {
m_params[name] = x4();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(Stock)) {
extract<Stock> x5(o);
if (x5.check()) {
m_params[name] = x5();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(KQuery)) {
extract<KQuery> x6(o);
if (x6.check()) {
m_params[name] = x6();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(KData)) {
extract<KData> x7(o);
if (x7.check()) {
m_params[name] = x7();
return;
}
throw std::logic_error(mismatch);
return;
}
if (m_params[name].type() == typeid(PriceList)) {
m_params[name] = python_list_to_vector<PriceList>(boost::python::list(o));
return;
}
if (m_params[name].type() == typeid(DatetimeList)) {
m_params[name] = python_list_to_vector<DatetimeList>(boost::python::list(o));
return;
}
throw std::logic_error("Unsupported type! " + name);
}
} /* namespace hku */
#endif /* PYTHON_PARAMETER_H_ */