gplugin/gplugin

closing this branch as there is no demand for this
feature/ruby-loader
16 months ago, Gary Kramlich
d44bad5e041e
closing this branch as there is no demand for this
/*
* Copyright (C) 2011-2014 Gary Kramlich <grim@reaperworld.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <Python.h>
#include <gplugin/gplugin.h>
#include "gplugin-python-utils.h"
#include <string.h>
gchar *
gplugin_python_filename_to_module(const gchar *filename) {
gchar *base = NULL;
gchar *e = NULL, *r = NULL;
g_return_val_if_fail(filename != NULL, NULL);
/* first make sure we just have a filename */
base = g_path_get_basename(filename);
/* now find the last . for the extension */
e = g_utf8_strrchr(base, g_utf8_strlen(base, -1), g_utf8_get_char("."));
if(e == NULL) {
return base;
}
/* now copy the module name into r */
r = g_malloc(e - base + 1);
memcpy(r, base, e - base);
r[e - base] = 0;
/* free the basename */
g_free(base);
return r;
}
gboolean
gplugin_python_add_module_path(const gchar *module_path) {
PyObject *sys_path = NULL, *path = NULL;
gboolean ret = FALSE;
sys_path = PySys_GetObject("path");
path = PyUnicode_FromString(module_path);
if(PySequence_Contains(sys_path, path) == 0) {
PyList_Insert(sys_path, 0, path);
ret = TRUE;
}
Py_DECREF(path);
return ret;
}
GError *
gplugin_python_exception_to_gerror(void) {
GError *error = NULL;
PyObject *type = NULL, *value = NULL, *trace = NULL;
PyObject *type_name = NULL, *value_str = NULL, *obj = NULL;
if(!PyErr_Occurred())
return NULL;
PyErr_Fetch(&type, &value, &trace);
if(type == NULL)
return NULL;
PyErr_NormalizeException(&type, &value, &trace);
Py_XDECREF(trace);
type_name = PyObject_GetAttrString(type, "__name__");
Py_DECREF(type);
value_str = PyObject_Str(value);
Py_DECREF(value);
/* now decode the utf8 into a string we can use */
obj = PyUnicode_AsUTF8String(type_name);
Py_DECREF(type_name);
type_name = obj;
obj = PyUnicode_AsUTF8String(value_str);
Py_DECREF(value_str);
value_str = obj;
error = g_error_new(GPLUGIN_DOMAIN, 0, "%s: %s",
PyBytes_AsString(type_name),
PyBytes_AsString(value_str));
Py_DECREF(type_name);
Py_DECREF(value_str);
return error;
}