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#include "properties/Distributable.hh"
#include "properties/IndexInherit.hh"
#include "properties/CommutingAsProduct.hh"
#include "properties/DependsInherit.hh"
#include "properties/NumericalFlat.hh"
#include "properties/WeightInherit.hh"
#include "properties/CommutingAsSum.hh"
#include "properties/Derivative.hh"
#include "properties/Accent.hh"
#include "properties/Tableau.hh"
#include "properties/FilledTableau.hh"
#include "CdbPython.hh"
#include <pybind11/functional.h>
#include "py_globals.hh"
#include "py_helpers.hh"
#include "py_kernel.hh"
#include "py_ex.hh"
namespace cadabra {
Kernel *create_scope()
{
Kernel *k = new Kernel(true);
return k;
}
Kernel *create_scope_from_global()
{
Kernel *k = create_empty_scope();
// FIXME: copy global properties
return k;
}
Kernel *create_empty_scope()
{
Kernel *k = new Kernel(false);
return k;
}
Kernel *get_kernel_from_scope()
{
Kernel *kernel = nullptr;
// Try and find the kernel in the local scope
auto locals = get_locals();
if (locals && scope_has(locals, "__cdbkernel__")) {
kernel = locals["__cdbkernel__"].cast<Kernel*>();
return kernel;
}
// No kernel in local scope, find one in global scope.
auto globals = get_globals();
if (globals && scope_has(globals, "__cdbkernel__")) {
kernel = globals["__cdbkernel__"].cast<Kernel*>();
return kernel;
}
// No kernel in local or global scope, construct a new global one
kernel = create_scope();
globals["__cdbkernel__"] = kernel;
return kernel;
}
void kernel_configure_warnings(Kernel& kernel, pybind11::kwargs kwargs)
{
if (kwargs) {
for (auto item : kwargs) {
auto key = item.first.cast<std::string>();
if (key == "level") {
try {
auto value = item.second.cast<Kernel::warn_t>();
kernel.warning_level = value;
}
catch (pybind11::cast_error&) {
throw std::invalid_argument("named argument 'level' expected an integer");
}
}
else if (key == "callback") {
try {
if (item.second.is_none()) {
kernel.warning_callback = nullptr;
}
else {
auto value = item.second.cast<std::function<void(const std::string&)>>();
kernel.warning_callback = value;
}
}
catch (pybind11::cast_error&) {
throw std::invalid_argument("named argument 'callback' expected None or function with signature void(const std::string&)");
}
}
else {
throw std::invalid_argument("received unrecognised argument '" + key + "'");
}
}
}
}
void init_kernel(pybind11::module& m)
{
// Declare the Kernel object for Python so we can store it in the local Python context.
// We add a 'cadabra2.__cdbkernel__' object to the main module scope, and will
// pull that into the interpreter scope in the 'cadabra2_default.py' file.
pybind11::enum_<Kernel::scalar_backend_t>(m, "scalar_backend_t")
.value("sympy", Kernel::scalar_backend_t::sympy)
.value("mathematica", Kernel::scalar_backend_t::mathematica)
.export_values();
pybind11::enum_<Kernel::warn_t>(m, "warn_t")
.value("notset", Kernel::warn_t::notset)
.value("info", Kernel::warn_t::info)
.value("debug", Kernel::warn_t::debug)
.value("warning", Kernel::warn_t::warning)
.value("error", Kernel::warn_t::error)
.value("critical", Kernel::warn_t::critical);
pybind11::class_<Kernel>(m, "Kernel", pybind11::dynamic_attr())
.def(pybind11::init<bool>())
.def_readonly_static("version", &Kernel::version)
.def_readonly_static("build", &Kernel::build)
.def_readonly("scalar_backend", &Kernel::scalar_backend)
.def_readwrite("display_fractions", &Kernel::display_fractions)
.def("warn", &Kernel::warn, pybind11::arg("msg"), pybind11::arg("level") = 0)
.def("configure_warnings", kernel_configure_warnings);
Kernel* kernel = create_scope();
m.attr("__cdbkernel__") = pybind11::cast(kernel);
m.def("kernel", [](pybind11::kwargs dict) {
Kernel *k = get_kernel_from_scope();
for (auto& item : dict) {
std::string key = item.first.cast<std::string>();
if (key == "scalar_backend") {
std::string val = item.second.cast<std::string>();
if (val == "sympy") k->scalar_backend = Kernel::scalar_backend_t::sympy;
else if (val == "mathematica") k->scalar_backend = Kernel::scalar_backend_t::mathematica;
else throw ArgumentException("scalar_backend must be 'sympy' or 'mathematica'.");
}
else if(key == "call_embedded_python_functions") {
bool val = item.second.cast<bool>();
k->call_embedded_python_functions=val;
}
else {
throw ArgumentException("unknown argument '" + key + "'.");
}
}
});
m.def("create_scope", &create_scope,
pybind11::return_value_policy::take_ownership);
m.def("create_scope_from_global", &create_scope_from_global,
pybind11::return_value_policy::take_ownership);
m.def("create_empty_scope", &create_empty_scope,
pybind11::return_value_policy::take_ownership);
m.def("cdb2python", &cdb2python);
m.def("cdb2python_string", &cdb2python_string);
}
}
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