module.cpp

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#include "ers/AnyIssue.hpp"
#include "ers/Context.hpp"
#include "ers/Issue.hpp"
#include "ers/IssueFactory.hpp"
#include "ers/LocalContext.hpp"
#include "ers/OutputStream.hpp"
#include "ers/RemoteContext.hpp"
#include "ers/Severity.hpp"
#include "ers/ers.hpp"
 
#include <exception>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
 
namespace py = pybind11;
 
PYBIND11_MODULE(_daq_ers_py, module)
{
 
  // Class inheritence to be included
  // std::exception -> ers::Issue -> ers::AnyIssue
  // Abstract classes (like ers::Issue) cannot be called with
  // pybind11. Line below is only a decleration of ers::Issue.
 
  py::class_<std::exception>(module, "STDException");
 
  py::class_<ers::Issue, std::exception>(module, "Issue");
 
  py::class_<ers::OutputStream>(module, "OutputStream");
 
  // Concrete Issue class
  py::class_<ers::AnyIssue, ers::Issue>(module, "AnyIssue")
    // constructor 1
    .def(py::init<const std::string&, const ers::Context&, const std::string&>())
    // constructor 2
    .def(py::init<const std::string&,
                  const ers::inheritance_type&,
                  ers::Severity,
                  const ers::Context&,
                  const system_clock::time_point&,
                  const std::string&,
                  const std::vector<std::string>&,
                  const std::map<std::string, std::string>&,
                  const ers::Issue*>())
    .def("get_class_name", &ers::AnyIssue::get_class_name)
    .def("get_class_inheritance", &ers::AnyIssue::get_class_inheritance)
    .def("raise", &ers::AnyIssue::raise)
    .def("what", &ers::AnyIssue::what)
    .def("cause", &ers::AnyIssue::cause)
    .def("severity", &ers::AnyIssue::severity)
    .def("qualifiers", &ers::AnyIssue::qualifiers)
    .def("parameters", &ers::AnyIssue::parameters);
 
  // Bindings for Context base class and derived classes
 
  py::class_<ers::Context>(module, "Context")
    .def("cwd", &ers::Context::cwd)
    .def("function_name", &ers::Context::function_name)
    .def("file_name", &ers::Context::file_name)
    .def("host_name", &ers::Context::host_name)
    .def("package_name", &ers::Context::package_name)
    .def("user_name", &ers::Context::user_name)
    .def("application_name", &ers::Context::application_name)
    .def("user_id", &ers::Context::user_id)
    .def("user_name", &ers::Context::user_name)
    .def("stack_size", &ers::Context::stack_size)
    .def("stack_symbols", &ers::Context::stack_symbols)
    .def("line_number", &ers::Context::line_number)
    .def("process_id", &ers::Context::process_id)
    .def("thread_id", &ers::Context::thread_id);
 
  // And now some concrete classes deriving from Context
  py::class_<ers::LocalContext, ers::Context>(module, "LocalContext")
    .def(py::init<const char*, const char*, int, const char*, bool>());
 
  py::class_<ers::RemoteProcessContext>(module, "RemoteProcessContext")
    .def(py::init<const std::string&, int, int, const std::string&, int, const std::string&, const std::string&>());
 
  py::class_<ers::RemoteContext, ers::Context>(module, "RemoteContext")
    .def(py::init<const std::string&, const std::string&, int, const std::string&, ers::RemoteProcessContext&>());
 
  // Severity includes both a class and and enum.
  py::class_<ers::Severity>(module, "Severity")
    .def(py::init<ers::severity&, int&>())
    .def_readwrite("type", &ers::Severity::type)
    .def_readwrite("rank", &ers::Severity::rank);
  py::enum_<ers::severity>(module, "severity")
    .value("Debug", ers::severity::Debug)
    .value("Log", ers::severity::Log)
    .value("Information", ers::severity::Information)
    .value("Warning", ers::severity::Warning)
    .value("Error", ers::severity::Error)
    .value("Fatal", ers::severity::Fatal)
    .export_values();
 
  // Bind the various logging calls
  module.def("debug", &ers::debug, "sends issue to the debug stream", py::arg("issue"), py::arg("level"));
  module.def("log", &ers::log, "sends issue to the log stream", py::arg("issue"));
  module.def("info", &ers::info, "sends issue to the information stream", py::arg("issue"));
  module.def("warning", &ers::warning, "sends issue to the warning stream", py::arg("issue"));
  module.def("error", &ers::error, "sends issue to the error stream", py::arg("issue"));
  module.def("fatal", &ers::fatal, "sends issue to the fatal stream", py::arg("issue"));
  module.def("debug_level", &ers::debug_level, "returns current debug level for ERS");
  module.def("verbosity_level", &ers::verbosity_level, "returns current verbosity level for ERS");
  module.def("enable_core_dump", &ers::enable_core_dump, "does what the name implies");
}