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/* SPDX-License-Identifier: BSD-2-Clause
*
* This file is part of pyosmium. (https://osmcode.org/pyosmium/)
*
* Copyright (C) 2025 Sarah Hoffmann <lonvia@denofr.de> and others.
* For a full list of authors see the git log.
*/
#include <pybind11/pybind11.h>
#include <pybind11/stl/filesystem.h>
#include <osmium/osm.hpp>
#include <osmium/handler.hpp>
#include <osmium/index/index.hpp>
#include <osmium/visitor.hpp>
#include "osm_base_objects.h"
#include "base_handler.h"
#include "base_filter.h"
#include "osmium_module.h"
#include "python_handler.h"
#include "handler_chain.h"
#include "buffer_iterator.h"
#include "io.h"
#include <vector>
#include <filesystem>
namespace py = pybind11;
void pyosmium::apply_item(osmium::OSMEntity &obj, pyosmium::BaseHandler &handler)
{
switch (obj.type()) {
case osmium::item_type::node:
{
PyOSMNode node{static_cast<osmium::Node *>(&obj)};
handler.node(node);
break;
}
case osmium::item_type::way:
{
PyOSMWay way{static_cast<osmium::Way *>(&obj)};
handler.way(way);
break;
}
case osmium::item_type::relation:
{
PyOSMRelation rel{static_cast<osmium::Relation *>(&obj)};
handler.relation(rel);
break;
}
case osmium::item_type::area:
{
PyOSMArea area{static_cast<osmium::Area *>(&obj)};
handler.area(area);
break;
}
case osmium::item_type::changeset:
{
PyOSMChangeset chg{static_cast<osmium::Changeset *>(&obj)};
handler.changeset(chg);
break;
}
}
}
namespace {
void pyosmium_apply(pyosmium::PyReader &reader, pyosmium::BaseHandler &handler)
{
while (auto buffer = reader.get()->read()) {
for (auto &obj : buffer.select<osmium::OSMEntity>()) {
pyosmium::apply_item(obj, handler);
}
}
handler.flush();
}
}
#ifdef Py_GIL_DISABLED
PYBIND11_MODULE(_osmium, m, py::mod_gil_not_used())
#else
PYBIND11_MODULE(_osmium, m)
#endif
{
py::register_exception<osmium::invalid_location>(m, "InvalidLocationError");
py::register_exception_translator([](std::exception_ptr p) {
try {
if (p) std::rethrow_exception(p);
} catch (const osmium::not_found &e) {
PyErr_SetString(PyExc_KeyError, e.what());
}
});
m.def("apply", &pyosmium_apply,
py::arg("reader"), py::arg("handler"));
m.def("apply", [](pyosmium::PyReader &rd, py::args args)
{
pyosmium::HandlerChain handler{args};
pyosmium_apply(rd, handler);
},
py::arg("reader"));
m.def("apply", [](std::string fn, pyosmium::BaseHandler &h)
{
pyosmium::PyReader rd{osmium::io::File(std::move(fn))};
pyosmium_apply(rd, h);
},
py::arg("filename"), py::arg("handler"));
m.def("apply", [](std::string fn, py::args args)
{
pyosmium::HandlerChain handler{args};
pyosmium::PyReader rd{osmium::io::File(std::move(fn))};
pyosmium_apply(rd, handler);
},
py::arg("filename"));
m.def("apply", [](std::filesystem::path const &fn, pyosmium::BaseHandler &h)
{
pyosmium::PyReader rd{osmium::io::File(fn.string())};
pyosmium_apply(rd, h);
},
py::arg("filename"), py::arg("handler"));
m.def("apply", [](std::filesystem::path const &fn, py::args args)
{
pyosmium::HandlerChain handler{args};
pyosmium::PyReader rd{osmium::io::File(fn.string())};
pyosmium_apply(rd, handler);
},
py::arg("filename"));
m.def("apply", [](osmium::io::File fn, pyosmium::BaseHandler &h)
{
pyosmium::PyReader rd{fn};
pyosmium_apply(rd, h);
},
py::arg("filename"), py::arg("handler"));
m.def("apply", [](osmium::io::File fn, py::args args)
{
pyosmium::HandlerChain handler{args};
pyosmium::PyReader rd{fn};
pyosmium_apply(rd, handler);
},
py::arg("filename"));
py::class_<pyosmium::BaseHandler>(m, "BaseHandler");
py::class_<pyosmium::BaseFilter, pyosmium::BaseHandler>(m, "BaseFilter")
.def("enable_for", &pyosmium::BaseFilter::enable_for,
py::arg("entities"))
;
py::class_<pyosmium::BufferIterator>(m, "BufferIterator")
.def(py::init<py::args>())
.def("__bool__", [](pyosmium::BufferIterator const &it) { return !it.empty(); })
.def("__iter__", [](py::object const &self) { return self; })
.def("__next__", &pyosmium::BufferIterator::next)
;
pyosmium::init_merge_input_reader(m);
pyosmium::init_simple_writer(m);
pyosmium::init_node_location_handler(m);
pyosmium::init_osm_file_iterator(m);
pyosmium::init_id_tracker(m);
};
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