c3247aa4f0
NOTE: `bgl.h` was left unchanged, as it is deprecated code anyway, and its conversion to C++ does not seem immediately trivial.
141 lines
3.6 KiB
C++
141 lines
3.6 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup pythonintern
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*
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* This file contains Blender/Python utility functions to help implementing API's.
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* This is not related to a particular module.
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*/
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#include <Python.h>
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#include "BLI_listbase.h"
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#include "BLI_utildefines.h"
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#include "bpy_capi_utils.hh"
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#include "MEM_guardedalloc.h"
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#include "BKE_report.hh"
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#include "../generic/py_capi_utils.hh"
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short BPy_reports_to_error(ReportList *reports, PyObject *exception, const bool clear)
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{
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char *report_str;
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report_str = BKE_reports_string(reports, RPT_ERROR);
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if (clear == true) {
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BKE_reports_free(reports);
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}
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if (report_str) {
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PyErr_SetString(exception, report_str);
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MEM_freeN(report_str);
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}
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return (report_str == nullptr) ? 0 : -1;
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}
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void BPy_reports_write_stdout(const ReportList *reports, const char *header)
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{
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const Report *report;
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for (report = static_cast<const Report *>(reports->list.first); report; report = report->next) {
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if (report->type < reports->printlevel) {
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continue;
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}
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break;
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}
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if (report == nullptr) {
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return;
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}
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if (header) {
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PySys_WriteStdout("%s\n", header);
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}
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for (; report; report = report->next) {
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if (report->type < reports->printlevel) {
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continue;
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}
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PySys_WriteStdout("%s: %s\n", report->typestr, report->message);
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}
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}
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bool BPy_errors_to_report_ex(ReportList *reports,
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const char *error_prefix,
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const bool use_full,
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const bool use_location)
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{
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if (!PyErr_Occurred()) {
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return true;
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}
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PyObject *err_str_py = use_full ? PyC_ExceptionBuffer() : PyC_ExceptionBuffer_Simple();
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/* Strip trailing newlines so the report doesn't show a blank-line in the info space. */
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Py_ssize_t err_str_len;
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const char *err_str = PyUnicode_AsUTF8AndSize(err_str_py, &err_str_len);
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while (err_str_len > 0 && err_str[err_str_len - 1] == '\n') {
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err_str_len -= 1;
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}
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if (error_prefix == nullptr) {
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/* Not very helpful, better than nothing. */
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error_prefix = "Python";
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}
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const char *location_filepath = nullptr;
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int location_line_number = -1;
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/* Give some additional context. */
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if (use_location) {
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PyC_FileAndNum(&location_filepath, &location_line_number);
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}
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/* Create a temporary report list so none of the reports are printed (only stored).
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* In practically all cases printing should be handled by #PyErr_Print since this invokes
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* `sys.excepthook` as expected. */
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ReportList _reports_buf = {{nullptr}};
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ReportList *reports_orig = reports;
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if ((reports->flag & RPT_PRINT_HANDLED_BY_OWNER) == 0) {
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reports = &_reports_buf;
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BKE_reports_init(reports, reports_orig->flag | RPT_PRINT_HANDLED_BY_OWNER);
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reports->storelevel = reports_orig->storelevel;
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}
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if (location_filepath) {
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BKE_reportf(reports,
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RPT_ERROR,
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"%s: %.*s\n"
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/* Location (when available). */
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"Location: %s:%d",
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error_prefix,
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int(err_str_len),
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err_str,
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location_filepath,
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location_line_number);
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}
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else {
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BKE_reportf(reports, RPT_ERROR, "%s: %.*s", error_prefix, int(err_str_len), err_str);
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}
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if (reports != reports_orig) {
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BKE_reports_move_to_reports(reports_orig, reports);
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BKE_reports_free(reports);
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}
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/* Ensure this is _always_ printed to the output so developers don't miss exceptions. */
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Py_DECREF(err_str_py);
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return true;
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}
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bool BPy_errors_to_report(ReportList *reports)
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{
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return BPy_errors_to_report_ex(reports, nullptr, true, true);
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}
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