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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Arc Welder: Anti-Stutter Python Extension for the OctoPrint Arc Welder plugin.
//
// Compresses many G0/G1 commands into G2/G3(arc) commands where possible, ensuring the tool paths stay within the specified resolution.
// This reduces file size and the number of gcodes per second.
//
// Copyright(C) 2021 - Brad Hochgesang
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// This program is free software : you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
// GNU Affero General Public License for more details.
//
//
// You can contact the author at the following email address:
// FormerLurker@pm.me
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#include "py_arc_welder_extension.h"
#include "py_arc_welder.h"
#include <iomanip>
#include <sstream>
#include <iostream>
#include "arc_welder.h"
#include "py_logger.h"
#include "python_helpers.h"
#include "version.h"
#if PY_MAJOR_VERSION >= 3
int main(int argc, char* argv[])
{
wchar_t* program = Py_DecodeLocale(argv[0], NULL);
if (program == NULL) {
fprintf(stderr, "Fatal error: cannot decode argv[0]\n");
exit(1);
}
// Add a built-in module, before Py_Initialize
PyImport_AppendInittab("PyArcWelder", PyInit_PyArcWelder);
// Pass argv[0] to the Python interpreter
Py_SetProgramName(program);
// Initialize the Python interpreter. Required.
Py_Initialize();
// We are not using threads, do not enable.
//std::cout << "Initializing threads...";
//if (!PyEval_ThreadsInitialized()) {
// PyEval_InitThreads();
//}
// Optionally import the module; alternatively, import can be deferred until the embedded script imports it.
PyImport_ImportModule("PyArcWelder");
PyMem_RawFree(program);
return 0;
}
#else
int main(int argc, char* argv[])
{
Py_SetProgramName(argv[0]);
Py_Initialize();
// We are not using threads, do not enable.
/* std::cout << "Initializing threads...";
if (!PyEval_ThreadsInitialized()) {
PyEval_InitThreads();
}
*/
initPyArcWelder();
return 0;
}
#endif
struct module_state {
PyObject* error;
};
#if PY_MAJOR_VERSION >= 3
#define GETSTATE(m) ((struct module_state*)PyModule_GetState(m))
#else
#define GETSTATE(m) (&_state)
static struct module_state _state;
#endif
// Python 2 module method definition
static PyMethodDef PyArcWelderMethods[] = {
{ "ConvertFile", (PyCFunction)ConvertFile, METH_VARARGS ,"Converts segmented curve approximations to actual G2/G3 arcs within the supplied resolution." },
{ NULL, NULL, 0, NULL }
};
// Python 3 module method definition
#if PY_MAJOR_VERSION >= 3
static int PyArcWelder_traverse(PyObject* m, visitproc visit, void* arg) {
Py_VISIT(GETSTATE(m)->error);
return 0;
}
static int PyArcWelder_clear(PyObject* m) {
Py_CLEAR(GETSTATE(m)->error);
return 0;
}
static struct PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
"PyArcWelder",
NULL,
sizeof(struct module_state),
PyArcWelderMethods,
NULL,
PyArcWelder_traverse,
PyArcWelder_clear,
NULL
};
#define INITERROR return NULL
PyMODINIT_FUNC
PyInit_PyArcWelder(void)
#else
#define INITERROR return
extern "C" void initPyArcWelder(void)
#endif
{
std::cout << "Initializing PyArcWelder";
std::cout << "\nVersion: " << GIT_TAGGED_VERSION << ", Branch: " << GIT_BRANCH << ", BuildDate: " << BUILD_DATE;
std::cout << "\nCopyright(C) " << COPYRIGHT_DATE << " - " << AUTHOR;
#if PY_MAJOR_VERSION >= 3
std::cout << " Python 3+ Detected...";
PyObject* module = PyModule_Create(&moduledef);
#else
std::cout << " Python 2 Detected...";
PyObject* module = Py_InitModule("PyArcWelder", PyArcWelderMethods);
#endif
if (module == NULL)
INITERROR;
struct module_state* st = GETSTATE(module);
st->error = PyErr_NewException((char*)"PyArcWelder.Error", NULL, NULL);
if (st->error == NULL) {
Py_DECREF(module);
INITERROR;
}
std::vector<std::string> logger_names;
logger_names.push_back("arc_welder.gcode_conversion");
std::vector<int> logger_levels;
logger_levels.push_back(log_levels::NOSET);
logger_levels.push_back(log_levels::VERBOSE);
logger_levels.push_back(log_levels::DEBUG);
logger_levels.push_back(log_levels::INFO);
logger_levels.push_back(log_levels::WARNING);
logger_levels.push_back(log_levels::ERROR);
logger_levels.push_back(log_levels::CRITICAL);
p_py_logger = new py_logger(logger_names, logger_levels);
p_py_logger->initialize_loggers();
p_py_logger->set_log_level(INFO);
std::cout << " Initialization Complete\r\n";
#if PY_MAJOR_VERSION >= 3
return module;
#endif
}
extern "C"
{
static PyObject* ConvertFile(PyObject* self, PyObject* py_args)
{
PyObject* py_convert_file_args;
if (!PyArg_ParseTuple(
py_args,
"O",
&py_convert_file_args
))
{
std::string message = "py_gcode_arc_converter.ConvertFile - Cound not extract the parameters dictionary.";
p_py_logger->log_exception(GCODE_CONVERSION, message);
return NULL;
}
py_gcode_arc_args args;
PyObject* py_progress_callback = NULL;
if (!py_gcode_arc_args::parse_args(py_convert_file_args, p_py_logger, args, &py_progress_callback))
{
return NULL;
}
p_py_logger->set_log_level((log_levels)args.log_level);
std::string message = "py_gcode_arc_converter.ConvertFile - Beginning Arc Conversion.";
p_py_logger->log(GCODE_CONVERSION, log_levels::INFO, message);
args.py_progress_callback = py_progress_callback;
args.log = p_py_logger;
// Set the encoding to html for the progress output
args.box_encoding = utilities::box_drawing::HTML;
py_arc_welder arc_welder_obj(args);
arc_welder_results results;
results = arc_welder_obj.process();
message = "py_gcode_arc_converter.ConvertFile - Arc Conversion Complete.";
p_py_logger->log(GCODE_CONVERSION, log_levels::INFO, message);
Py_XDECREF(py_progress_callback);
// return the arguments
PyObject* p_progress = py_arc_welder::build_py_progress(results.progress, args.guid, true);
if (p_progress == NULL)
p_progress = Py_None;
PyObject* p_results = Py_BuildValue(
"{s:i,s:i,s:s,s:O}",
"success",
(long int)(results.success ? 1 : 0),
"is_cancelled",
(long int)(results.cancelled ? 1 : 0),
"message",
results.message.c_str(),
"progress",
p_progress
);
return p_results;
}
}
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