core: remove directory "src/plugins/scripts", move script plugins in "src/plugins"

1 files changed, 1259 insertions, 0 deletions

diff --git a/src/plugins/python/weechat-python.c b/src/plugins/python/weechat-python.c
new file mode 100644
index 000000000..d56eebfd1
--- /dev/null
+++ b/src/plugins/python/weechat-python.c
@@ -0,0 +1,1259 @@
+/*
+ * Copyright (C) 2003-2012 Sebastien Helleu <flashcode@flashtux.org>
+ * Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with WeeChat.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * weechat-python.c: python plugin for WeeChat
+ */
+
+#undef _
+
+#include <Python.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "../weechat-plugin.h"
+#include "../plugin-script.h"
+#include "weechat-python.h"
+#include "weechat-python-api.h"
+
+
+WEECHAT_PLUGIN_NAME(PYTHON_PLUGIN_NAME);
+WEECHAT_PLUGIN_DESCRIPTION(N_("Support of python scripts"));
+WEECHAT_PLUGIN_AUTHOR("Sebastien Helleu <flashcode@flashtux.org>");
+WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
+WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
+
+struct t_weechat_plugin *weechat_python_plugin = NULL;
+
+int python_quiet;
+struct t_plugin_script *python_scripts = NULL;
+struct t_plugin_script *last_python_script = NULL;
+struct t_plugin_script *python_current_script = NULL;
+struct t_plugin_script *python_registered_script = NULL;
+const char *python_current_script_filename = NULL;
+PyThreadState *python_mainThreadState = NULL;
+char *python2_bin = NULL;
+
+/* outputs subroutines */
+static PyObject *weechat_python_output (PyObject *self, PyObject *args);
+static PyMethodDef weechat_python_output_funcs[] = {
+    { "write", weechat_python_output, METH_VARARGS, "" },
+    { NULL, NULL, 0, NULL }
+};
+
+#if PY_MAJOR_VERSION >= 3
+/* module definition for python >= 3.x */
+static struct PyModuleDef moduleDef = {
+    PyModuleDef_HEAD_INIT,
+    "weechat",
+    NULL,
+    -1,
+    weechat_python_funcs,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+static struct PyModuleDef moduleDefOutputs = {
+    PyModuleDef_HEAD_INIT,
+    "weechatOutputs",
+    NULL,
+    -1,
+    weechat_python_output_funcs,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+#endif
+
+/*
+ * string used to execute action "install":
+ * when signal "python_install_script" is received, name of string
+ * is added to this string, to be installed later by a timer (when nothing is
+ * running in script)
+ */
+char *python_action_install_list = NULL;
+
+/*
+ * string used to execute action "remove":
+ * when signal "python_remove_script" is received, name of string
+ * is added to this string, to be removed later by a timer (when nothing is
+ * running in script)
+ */
+char *python_action_remove_list = NULL;
+
+char python_buffer_output[128];
+
+
+/*
+ * weechat_python_set_python2_bin: set path to python 2.x interpreter
+ */
+
+void
+weechat_python_set_python2_bin ()
+{
+    const char *dir_separator;
+    char *path, **paths, bin[4096];
+    char *versions[] = { "2.7", "2.6", "2.5", "2.4", "2.3", "2.2", "2", NULL };
+    int num_paths, i, j, rc;
+    struct stat stat_buf;
+
+    python2_bin = NULL;
+
+    dir_separator = weechat_info_get ("dir_separator", "");
+    path = getenv ("PATH");
+
+    if (dir_separator && path)
+    {
+        paths = weechat_string_split (path, ":", 0, 0, &num_paths);
+        if (paths)
+        {
+            for (i = 0; i < num_paths; i++)
+            {
+                for (j = 0; versions[j]; j++)
+                {
+                    snprintf (bin, sizeof (bin), "%s%s%s%s",
+                              paths[i], dir_separator, "python",
+                              versions[j]);
+                    rc = stat (bin, &stat_buf);
+                    if ((rc == 0) && (S_ISREG(stat_buf.st_mode)))
+                    {
+                        python2_bin = strdup (bin);
+                        break;
+                    }
+                }
+                if (python2_bin)
+                    break;
+            }
+            weechat_string_free_split (paths);
+        }
+    }
+
+    if (!python2_bin)
+        python2_bin = strdup ("python");
+}
+
+/*
+ * weechat_python_unicode_to_string: convert a python unicode to a C UTF-8
+ *                                   string
+ *                                   Note: result has to be freed after use
+ */
+
+char *
+weechat_python_unicode_to_string (PyObject *obj)
+{
+    PyObject *utf8string;
+    char *str;
+
+    str = NULL;
+
+    utf8string = PyUnicode_AsUTF8String (obj);
+    if (utf8string)
+    {
+        if (PyBytes_AsString (utf8string))
+            str = strdup (PyBytes_AsString (utf8string));
+        Py_XDECREF(utf8string);
+    }
+
+    return str;
+}
+
+/*
+ * weechat_python_hashtable_map_cb: callback called for each key/value in a
+ *                                  hashtable
+ */
+
+void
+weechat_python_hashtable_map_cb (void *data,
+                                 struct t_hashtable *hashtable,
+                                 const char *key,
+                                 const char *value)
+{
+    PyObject *dict, *dict_key, *dict_value;
+
+    /* make C compiler happy */
+    (void) hashtable;
+
+    dict = (PyObject *)data;
+
+    dict_key = Py_BuildValue ("s", key);
+    dict_value = Py_BuildValue ("s", value);
+
+    PyDict_SetItem (dict, dict_key, dict_value);
+
+    Py_DECREF (dict_key);
+    Py_DECREF (dict_value);
+}
+
+/*
+ * weechat_python_hashtable_to_dict: get python dictionary with a WeeChat
+ *                                   hashtable
+ */
+
+PyObject *
+weechat_python_hashtable_to_dict (struct t_hashtable *hashtable)
+{
+    PyObject *dict;
+
+    dict = PyDict_New ();
+    if (!dict)
+    {
+        Py_INCREF(Py_None);
+        return Py_None;
+    }
+
+    weechat_hashtable_map_string (hashtable,
+                                  &weechat_python_hashtable_map_cb,
+                                  dict);
+
+    return dict;
+}
+
+/*
+ * weechat_python_dict_to_hashtable: get WeeChat hashtable with python
+ *                                   dictionary
+ *                                   Hashtable returned has type string for
+ *                                   both keys and values
+ *                                   Note: hashtable has to be released after
+ *                                   use with call to weechat_hashtable_free()
+ */
+
+struct t_hashtable *
+weechat_python_dict_to_hashtable (PyObject *dict, int hashtable_size)
+{
+    struct t_hashtable *hashtable;
+    PyObject *key, *value;
+    Py_ssize_t pos;
+    char *str_key, *str_value;
+
+    hashtable = weechat_hashtable_new (hashtable_size,
+                                       WEECHAT_HASHTABLE_STRING,
+                                       WEECHAT_HASHTABLE_STRING,
+                                       NULL,
+                                       NULL);
+    if (!hashtable)
+        return NULL;
+
+    pos = 0;
+    while (PyDict_Next (dict, &pos, &key, &value))
+    {
+        str_key = NULL;
+        str_value = NULL;
+        if (PyBytes_Check (key))
+        {
+            if (PyBytes_AsString (key))
+                str_key = strdup (PyBytes_AsString (key));
+        }
+        else
+            str_key = weechat_python_unicode_to_string (key);
+        if (PyBytes_Check (value))
+        {
+            if (PyBytes_AsString (value))
+                str_value = strdup (PyBytes_AsString (value));
+        }
+        else
+            str_value = weechat_python_unicode_to_string (value);
+
+        if (str_key)
+            weechat_hashtable_set (hashtable, str_key, str_value);
+
+        if (str_key)
+            free (str_key);
+        if (str_value)
+            free (str_value);
+    }
+
+    return hashtable;
+}
+
+/*
+ * weechat_python_exec: execute a python function
+ */
+
+void *
+weechat_python_exec (struct t_plugin_script *script,
+                     int ret_type, const char *function,
+                     char *format, void **argv)
+{
+    struct t_plugin_script *old_python_current_script;
+    PyThreadState *old_interpreter;
+    PyObject *evMain, *evDict, *evFunc, *rc;
+    void *argv2[16], *ret_value;
+    int i, argc, *ret_int;
+
+    /* PyEval_AcquireLock (); */
+
+    old_python_current_script = python_current_script;
+    old_interpreter = NULL;
+    if (script->interpreter)
+    {
+        old_interpreter = PyThreadState_Swap (NULL);
+        PyThreadState_Swap (script->interpreter);
+    }
+
+    evMain = PyImport_AddModule ((char *) "__main__");
+    evDict = PyModule_GetDict (evMain);
+    evFunc = PyDict_GetItemString (evDict, function);
+
+    if ( !(evFunc && PyCallable_Check (evFunc)) )
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to run function \"%s\""),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, function);
+        /* PyEval_ReleaseThread (python_current_script->interpreter); */
+        if (old_interpreter)
+            PyThreadState_Swap (old_interpreter);
+        return NULL;
+    }
+
+    python_current_script = script;
+
+    if (argv && argv[0])
+    {
+        argc = strlen (format);
+        for (i = 0; i < 16; i++)
+        {
+            argv2[i] = (i < argc) ? argv[i] : NULL;
+        }
+        rc = PyObject_CallFunction (evFunc, format,
+                                    argv2[0], argv2[1],
+                                    argv2[2], argv2[3],
+                                    argv2[4], argv2[5],
+                                    argv2[6], argv2[7],
+                                    argv2[8], argv2[9],
+                                    argv2[10], argv2[11],
+                                    argv2[12], argv2[13],
+                                    argv2[14], argv2[15]);
+    }
+    else
+    {
+        rc = PyObject_CallFunction (evFunc, NULL);
+    }
+
+    ret_value = NULL;
+
+    /*
+     * ugly hack : rc = NULL while 'return weechat.WEECHAT_RC_OK ....
+     * because of '#define WEECHAT_RC_OK 0'
+     */
+    if (rc ==  NULL)
+        rc = PyLong_FromLong ((long)0);
+
+    if (PyErr_Occurred())
+    {
+        PyErr_Print ();
+        Py_XDECREF(rc);
+    }
+    else if ((ret_type == WEECHAT_SCRIPT_EXEC_STRING) && (PyUnicode_Check (rc)))
+    {
+        ret_value = weechat_python_unicode_to_string (rc);
+        Py_XDECREF(rc);
+    }
+    else if ((ret_type == WEECHAT_SCRIPT_EXEC_STRING) && (PyBytes_Check (rc)))
+    {
+        if (PyBytes_AsString (rc))
+            ret_value = strdup (PyBytes_AsString (rc));
+        else
+            ret_value = NULL;
+        Py_XDECREF(rc);
+    }
+    else if ((ret_type == WEECHAT_SCRIPT_EXEC_INT) && (PyLong_Check (rc)))
+    {
+        ret_int = malloc (sizeof (*ret_int));
+        if (ret_int)
+            *ret_int = (int) PyLong_AsLong(rc);
+        ret_value = ret_int;
+        Py_XDECREF(rc);
+    }
+    else if (ret_type == WEECHAT_SCRIPT_EXEC_HASHTABLE)
+    {
+        ret_value = weechat_python_dict_to_hashtable (rc,
+                                                      WEECHAT_SCRIPT_HASHTABLE_DEFAULT_SIZE);
+        Py_XDECREF(rc);
+    }
+    else
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: function \"%s\" must return "
+                                         "a valid value"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, function);
+    }
+
+    if (!ret_value)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: error in function \"%s\""),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, function);
+    }
+
+    /* PyEval_ReleaseThread (python_current_script->interpreter); */
+
+    python_current_script = old_python_current_script;
+
+    if (old_interpreter)
+        PyThreadState_Swap (old_interpreter);
+
+    return ret_value;
+}
+
+/*
+ * weechat_python_output: redirection for stdout and stderr
+ */
+
+static PyObject *
+weechat_python_output (PyObject *self, PyObject *args)
+{
+    char *msg, *m, *p;
+
+    /* make C compiler happy */
+    (void) self;
+
+    msg = NULL;
+
+    if (!PyArg_ParseTuple (args, "s", &msg))
+    {
+        if (strlen(python_buffer_output) > 0)
+        {
+            weechat_printf (NULL,
+                            weechat_gettext ("%s: stdout/stderr: %s%s"),
+                            PYTHON_PLUGIN_NAME, python_buffer_output, "");
+            python_buffer_output[0] = '\0';
+        }
+    }
+    else
+    {
+        m = msg;
+        while ((p = strchr (m, '\n')) != NULL)
+        {
+            *p = '\0';
+            if (strlen (m) + strlen (python_buffer_output) > 0)
+            {
+                weechat_printf (NULL,
+                                weechat_gettext ("%s: stdout/stderr: %s%s"),
+                                PYTHON_PLUGIN_NAME, python_buffer_output, m);
+            }
+            *p = '\n';
+            python_buffer_output[0] = '\0';
+            m = ++p;
+        }
+
+        if (strlen(m) + strlen(python_buffer_output) > sizeof(python_buffer_output))
+        {
+            weechat_printf (NULL,
+                            weechat_gettext ("%s: stdout/stderr: %s%s"),
+                            PYTHON_PLUGIN_NAME, python_buffer_output, m);
+            python_buffer_output[0] = '\0';
+        }
+        else
+            strcat (python_buffer_output, m);
+    }
+
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+
+/*
+ * weechat_python_init_module_weechat: initialize the "weechat" module
+ */
+
+#if PY_MAJOR_VERSION >= 3
+static PyObject *weechat_python_init_module_weechat ()
+#else
+void weechat_python_init_module_weechat ()
+#endif
+{
+    PyObject *weechat_module, *weechat_dict;
+
+#if PY_MAJOR_VERSION >= 3
+    /* python >= 3.x */
+    weechat_module = PyModule_Create (&moduleDef);
+#else
+    /* python <= 2.x */
+    weechat_module = Py_InitModule ("weechat", weechat_python_funcs);
+#endif
+
+    if (!weechat_module)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to initialize WeeChat "
+                                         "module"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+#if PY_MAJOR_VERSION >= 3
+        return NULL;
+#else
+        return;
+#endif
+    }
+
+    /* define some constants */
+    weechat_dict = PyModule_GetDict(weechat_module);
+    PyDict_SetItemString(weechat_dict, "WEECHAT_RC_OK", PyLong_FromLong((long) WEECHAT_RC_OK));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_RC_OK_EAT", PyLong_FromLong((long) WEECHAT_RC_OK_EAT));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_RC_ERROR", PyLong_FromLong((long) WEECHAT_RC_ERROR));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_READ_OK", PyLong_FromLong((long) WEECHAT_CONFIG_READ_OK));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_READ_MEMORY_ERROR", PyLong_FromLong((long) WEECHAT_CONFIG_READ_MEMORY_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_READ_FILE_NOT_FOUND", PyLong_FromLong((long) WEECHAT_CONFIG_READ_FILE_NOT_FOUND));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_WRITE_OK", PyLong_FromLong((long) WEECHAT_CONFIG_WRITE_OK));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_WRITE_ERROR", PyLong_FromLong((long) WEECHAT_CONFIG_WRITE_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_WRITE_MEMORY_ERROR", PyLong_FromLong((long) WEECHAT_CONFIG_WRITE_MEMORY_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_SET_OK_CHANGED", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_SET_OK_CHANGED));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_SET_ERROR", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_SET_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_SET_OPTION_NOT_FOUND));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_UNSET_OK_NO_RESET", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_UNSET_OK_NO_RESET));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_UNSET_OK_RESET", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_UNSET_OK_RESET));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_UNSET_OK_REMOVED", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_UNSET_OK_REMOVED));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_CONFIG_OPTION_UNSET_ERROR", PyLong_FromLong((long) WEECHAT_CONFIG_OPTION_UNSET_ERROR));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_LIST_POS_SORT", PyUnicode_FromString(WEECHAT_LIST_POS_SORT));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_LIST_POS_BEGINNING", PyUnicode_FromString(WEECHAT_LIST_POS_BEGINNING));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_LIST_POS_END", PyUnicode_FromString(WEECHAT_LIST_POS_END));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOTLIST_LOW", PyUnicode_FromString(WEECHAT_HOTLIST_LOW));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOTLIST_MESSAGE", PyUnicode_FromString(WEECHAT_HOTLIST_MESSAGE));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOTLIST_PRIVATE", PyUnicode_FromString(WEECHAT_HOTLIST_PRIVATE));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOTLIST_HIGHLIGHT", PyUnicode_FromString(WEECHAT_HOTLIST_HIGHLIGHT));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_PROCESS_RUNNING", PyLong_FromLong((long) WEECHAT_HOOK_PROCESS_RUNNING));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_PROCESS_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_PROCESS_ERROR));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_OK", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_OK));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_ADDRESS_NOT_FOUND", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_ADDRESS_NOT_FOUND));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_IP_ADDRESS_NOT_FOUND", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_IP_ADDRESS_NOT_FOUND));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_CONNECTION_REFUSED", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_CONNECTION_REFUSED));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_PROXY_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_PROXY_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_LOCAL_HOSTNAME_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_LOCAL_HOSTNAME_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_GNUTLS_INIT_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_GNUTLS_INIT_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_GNUTLS_HANDSHAKE_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_GNUTLS_HANDSHAKE_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_MEMORY_ERROR", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_MEMORY_ERROR));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_CONNECT_TIMEOUT", PyLong_FromLong((long) WEECHAT_HOOK_CONNECT_TIMEOUT));
+
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_SIGNAL_STRING", PyUnicode_FromString(WEECHAT_HOOK_SIGNAL_STRING));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_SIGNAL_INT", PyUnicode_FromString(WEECHAT_HOOK_SIGNAL_INT));
+    PyDict_SetItemString(weechat_dict, "WEECHAT_HOOK_SIGNAL_POINTER", PyUnicode_FromString(WEECHAT_HOOK_SIGNAL_POINTER));
+
+#if PY_MAJOR_VERSION >= 3
+    return weechat_module;
+#endif
+}
+
+/*
+ * weechat_python_load: load a Python script
+ */
+
+int
+weechat_python_load (const char *filename)
+{
+    char *argv[] = { "__weechat_plugin__" , NULL };
+#if PY_MAJOR_VERSION >= 3
+    wchar_t *wargv[] = { NULL, NULL };
+#endif
+    FILE *fp;
+    PyThreadState *python_current_interpreter;
+    PyObject *weechat_outputs, *python_path, *path;
+    const char *weechat_home;
+    char *str_home;
+    int len;
+
+    if ((fp = fopen (filename, "r")) == NULL)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: script \"%s\" not found"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, filename);
+        return 0;
+    }
+
+    if ((weechat_python_plugin->debug >= 2) || !python_quiet)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s: loading script \"%s\""),
+                        PYTHON_PLUGIN_NAME, filename);
+    }
+
+    python_current_script = NULL;
+    python_registered_script = NULL;
+
+    /* PyEval_AcquireLock (); */
+    python_current_interpreter = Py_NewInterpreter ();
+#if PY_MAJOR_VERSION >= 3
+    /* python >= 3.x */
+    len = strlen (argv[0]);
+    wargv[0] = malloc ((len + 1) * sizeof (wargv[0][0]));
+    if (wargv[0])
+    {
+        if (mbstowcs (wargv[0], argv[0], len) == (size_t)(-1))
+        {
+            free (wargv[0]);
+            wargv[0] = NULL;
+        }
+        PySys_SetArgv(1, wargv);
+        if (wargv[0])
+            free (wargv[0]);
+    }
+#else
+    /* python <= 2.x */
+    PySys_SetArgv(1, argv);
+#endif
+
+    if (!python_current_interpreter)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to create new "
+                                         "sub-interpreter"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+        fclose (fp);
+        /* PyEval_ReleaseLock (); */
+        return 0;
+    }
+
+    PyThreadState_Swap (python_current_interpreter);
+
+    /* adding $weechat_dir/python in $PYTHONPATH */
+    python_path = PySys_GetObject ("path");
+    weechat_home = weechat_info_get ("weechat_dir", "");
+    if (weechat_home)
+    {
+        len = strlen (weechat_home) + 1 + strlen (PYTHON_PLUGIN_NAME) + 1;
+        str_home = malloc (len);
+        if (str_home)
+        {
+            snprintf (str_home, len, "%s/python", weechat_home);
+            path = PyBytes_FromString (str_home);
+            if (path != NULL)
+            {
+                PyList_Insert (python_path, 0, path);
+                Py_DECREF (path);
+            }
+            free (str_home);
+        }
+    }
+
+#if PY_MAJOR_VERSION >= 3
+    /* python 3.x (or newer) */
+    weechat_outputs = PyModule_Create (&moduleDefOutputs);
+#else
+    /* python 2.x */
+    weechat_outputs = Py_InitModule("weechatOutputs",
+                                    weechat_python_output_funcs);
+#endif
+
+    if (!weechat_outputs)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to redirect stdout and "
+                                         "stderr"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+    }
+    else
+    {
+        if (PySys_SetObject("stdout", weechat_outputs) == -1)
+        {
+            weechat_printf (NULL,
+                            weechat_gettext ("%s%s: unable to redirect stdout"),
+                            weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+        }
+        if (PySys_SetObject("stderr", weechat_outputs) == -1)
+        {
+            weechat_printf (NULL,
+                            weechat_gettext ("%s%s: unable to redirect stderr"),
+                            weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+        }
+    }
+
+    python_current_script_filename = filename;
+
+    if (PyRun_SimpleFile (fp, filename) != 0)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to parse file \"%s\""),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, filename);
+        fclose (fp);
+
+        if (PyErr_Occurred ())
+            PyErr_Print ();
+
+        /* if script was registered, remove it from list */
+        if (python_current_script != NULL)
+        {
+            plugin_script_remove (weechat_python_plugin,
+                                  &python_scripts, &last_python_script,
+                                  python_current_script);
+        }
+
+        Py_EndInterpreter (python_current_interpreter);
+        /* PyEval_ReleaseLock (); */
+
+        return 0;
+    }
+
+    if (PyErr_Occurred ())
+        PyErr_Print ();
+
+    fclose (fp);
+
+    if (!python_registered_script)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: function \"register\" not "
+                                         "found (or failed) in file \"%s\""),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, filename);
+
+        if (PyErr_Occurred ())
+            PyErr_Print ();
+        Py_EndInterpreter (python_current_interpreter);
+        /* PyEval_ReleaseLock (); */
+
+        return 0;
+    }
+    python_current_script = python_registered_script;
+
+    python_current_script->interpreter = (PyThreadState *) python_current_interpreter;
+    /* PyEval_ReleaseThread (python_current_script->interpreter); */
+
+    /*
+     * set input/close callbacks for buffers created by this script
+     * (to restore callbacks after upgrade)
+     */
+    plugin_script_set_buffer_callbacks (weechat_python_plugin,
+                                        python_scripts,
+                                        python_current_script,
+                                        &weechat_python_api_buffer_input_data_cb,
+                                        &weechat_python_api_buffer_close_cb);
+
+    return 1;
+}
+
+/*
+ * weechat_python_load_cb: callback for script_auto_load() function
+ */
+
+void
+weechat_python_load_cb (void *data, const char *filename)
+{
+    /* make C compiler happy */
+    (void) data;
+
+    weechat_python_load (filename);
+}
+
+/*
+ * weechat_python_unload: unload a Python script
+ */
+
+void
+weechat_python_unload (struct t_plugin_script *script)
+{
+    int *rc;
+    void *interpreter;
+    PyThreadState *old_interpreter;
+
+    if ((weechat_python_plugin->debug >= 2) || !python_quiet)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s: unloading script \"%s\""),
+                        PYTHON_PLUGIN_NAME, script->name);
+    }
+
+    if (script->shutdown_func && script->shutdown_func[0])
+    {
+        rc = (int *) weechat_python_exec (script, WEECHAT_SCRIPT_EXEC_INT,
+                                          script->shutdown_func, NULL, NULL);
+        if (rc)
+            free (rc);
+    }
+
+    old_interpreter = PyThreadState_Swap (NULL);
+    interpreter = script->interpreter;
+
+    if (python_current_script == script)
+        python_current_script = (python_current_script->prev_script) ?
+            python_current_script->prev_script : python_current_script->next_script;
+
+    plugin_script_remove (weechat_python_plugin, &python_scripts, &last_python_script,
+                          script);
+
+    if (interpreter)
+    {
+        PyThreadState_Swap (interpreter);
+        Py_EndInterpreter (interpreter);
+    }
+
+    if (old_interpreter)
+        PyThreadState_Swap (old_interpreter);
+}
+
+/*
+ * weechat_python_unload_name: unload a Python script by name
+ */
+
+void
+weechat_python_unload_name (const char *name)
+{
+    struct t_plugin_script *ptr_script;
+
+    ptr_script = plugin_script_search (weechat_python_plugin, python_scripts, name);
+    if (ptr_script)
+    {
+        weechat_python_unload (ptr_script);
+        weechat_printf (NULL,
+                        weechat_gettext ("%s: script \"%s\" unloaded"),
+                        PYTHON_PLUGIN_NAME, name);
+    }
+    else
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: script \"%s\" not loaded"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, name);
+    }
+}
+
+/*
+ * weechat_python_unload_all: unload all Python scripts
+ */
+
+void
+weechat_python_unload_all ()
+{
+    while (python_scripts)
+    {
+        weechat_python_unload (python_scripts);
+    }
+}
+
+/*
+ * weechat_python_reload_name: reload a Python script by name
+ */
+
+void
+weechat_python_reload_name (const char *name)
+{
+    struct t_plugin_script *ptr_script;
+    char *filename;
+
+    ptr_script = plugin_script_search (weechat_python_plugin, python_scripts, name);
+    if (ptr_script)
+    {
+        filename = strdup (ptr_script->filename);
+        if (filename)
+        {
+            weechat_python_unload (ptr_script);
+            weechat_printf (NULL,
+                            weechat_gettext ("%s: script \"%s\" unloaded"),
+                            PYTHON_PLUGIN_NAME, name);
+            weechat_python_load (filename);
+            free (filename);
+        }
+    }
+    else
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: script \"%s\" not loaded"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME, name);
+    }
+}
+
+/*
+ * weechat_python_cmd: callback for "/python" command
+ */
+
+int
+weechat_python_command_cb (void *data, struct t_gui_buffer *buffer,
+                           int argc, char **argv, char **argv_eol)
+{
+    char *path_script;
+
+    /* make C compiler happy */
+    (void) data;
+    (void) buffer;
+
+    if (argc == 1)
+    {
+        plugin_script_display_list (weechat_python_plugin, python_scripts,
+                                    NULL, 0);
+    }
+    else if (argc == 2)
+    {
+        if (weechat_strcasecmp (argv[1], "list") == 0)
+        {
+            plugin_script_display_list (weechat_python_plugin, python_scripts,
+                                        NULL, 0);
+        }
+        else if (weechat_strcasecmp (argv[1], "listfull") == 0)
+        {
+            plugin_script_display_list (weechat_python_plugin, python_scripts,
+                                        NULL, 1);
+        }
+        else if (weechat_strcasecmp (argv[1], "autoload") == 0)
+        {
+            plugin_script_auto_load (weechat_python_plugin, &weechat_python_load_cb);
+        }
+        else if (weechat_strcasecmp (argv[1], "reload") == 0)
+        {
+            weechat_python_unload_all ();
+            plugin_script_auto_load (weechat_python_plugin, &weechat_python_load_cb);
+        }
+        else if (weechat_strcasecmp (argv[1], "unload") == 0)
+        {
+            weechat_python_unload_all ();
+        }
+    }
+    else
+    {
+        if (weechat_strcasecmp (argv[1], "list") == 0)
+        {
+            plugin_script_display_list (weechat_python_plugin, python_scripts,
+                                        argv_eol[2], 0);
+        }
+        else if (weechat_strcasecmp (argv[1], "listfull") == 0)
+        {
+            plugin_script_display_list (weechat_python_plugin, python_scripts,
+                                        argv_eol[2], 1);
+        }
+        else if (weechat_strcasecmp (argv[1], "load") == 0)
+        {
+            /* load Python script */
+            path_script = plugin_script_search_path (weechat_python_plugin,
+                                                     argv_eol[2]);
+            weechat_python_load ((path_script) ? path_script : argv_eol[2]);
+            if (path_script)
+                free (path_script);
+        }
+        else if (weechat_strcasecmp (argv[1], "reload") == 0)
+        {
+            /* reload one Python script */
+            weechat_python_reload_name (argv_eol[2]);
+        }
+        else if (weechat_strcasecmp (argv[1], "unload") == 0)
+        {
+            /* unload Python script */
+            weechat_python_unload_name (argv_eol[2]);
+        }
+        else
+        {
+            weechat_printf (NULL,
+                            weechat_gettext ("%s%s: unknown option for "
+                                             "command \"%s\""),
+                            weechat_prefix ("error"), PYTHON_PLUGIN_NAME,
+                            "python");
+        }
+    }
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_python_completion_cb: callback for script completion
+ */
+
+int
+weechat_python_completion_cb (void *data, const char *completion_item,
+                              struct t_gui_buffer *buffer,
+                              struct t_gui_completion *completion)
+{
+    /* make C compiler happy */
+    (void) data;
+    (void) completion_item;
+    (void) buffer;
+
+    plugin_script_completion (weechat_python_plugin, completion, python_scripts);
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_python_info_cb: callback for info
+ */
+
+const char *
+weechat_python_info_cb (void *data, const char *info_name,
+                        const char *arguments)
+{
+    int rc;
+    struct stat stat_buf;
+
+    /* make C compiler happy */
+    (void) data;
+    (void) arguments;
+
+    if (weechat_strcasecmp (info_name, "python2_bin") == 0)
+    {
+        if (python2_bin && (strcmp (python2_bin, "python") != 0))
+        {
+            rc = stat (python2_bin, &stat_buf);
+            if ((rc != 0) || (!S_ISREG(stat_buf.st_mode)))
+            {
+                free (python2_bin);
+                weechat_python_set_python2_bin ();
+            }
+        }
+        return python2_bin;
+    }
+
+    return NULL;
+}
+
+/*
+ * weechat_python_infolist_cb: callback for infolist
+ */
+
+struct t_infolist *
+weechat_python_infolist_cb (void *data, const char *infolist_name,
+                            void *pointer, const char *arguments)
+{
+    /* make C compiler happy */
+    (void) data;
+
+    if (!infolist_name || !infolist_name[0])
+        return NULL;
+
+    if (weechat_strcasecmp (infolist_name, "python_script") == 0)
+    {
+        return plugin_script_infolist_list_scripts (weechat_python_plugin,
+                                                    python_scripts, pointer,
+                                                    arguments);
+    }
+
+    return NULL;
+}
+
+/*
+ * weechat_python_signal_debug_dump_cb: dump Python plugin data in WeeChat log
+ *                                      file
+ */
+
+int
+weechat_python_signal_debug_dump_cb (void *data, const char *signal,
+                                     const char *type_data, void *signal_data)
+{
+    /* make C compiler happy */
+    (void) data;
+    (void) signal;
+    (void) type_data;
+
+    if (!signal_data
+        || (weechat_strcasecmp ((char *)signal_data, PYTHON_PLUGIN_NAME) == 0))
+    {
+        plugin_script_print_log (weechat_python_plugin, python_scripts);
+    }
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_python_signal_buffer_closed_cb: callback called when a buffer is
+ *                                         closed
+ */
+
+int
+weechat_python_signal_buffer_closed_cb (void *data, const char *signal,
+                                        const char *type_data,
+                                        void *signal_data)
+{
+    /* make C compiler happy */
+    (void) data;
+    (void) signal;
+    (void) type_data;
+
+    if (signal_data)
+        plugin_script_remove_buffer_callbacks (python_scripts, signal_data);
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_python_timer_action_cb: timer for executing actions
+ */
+
+int
+weechat_python_timer_action_cb (void *data, int remaining_calls)
+{
+    /* make C compiler happy */
+    (void) remaining_calls;
+
+    if (data)
+    {
+        if (data == &python_action_install_list)
+        {
+            plugin_script_action_install (weechat_python_plugin,
+                                          python_scripts,
+                                          &weechat_python_unload,
+                                          &weechat_python_load,
+                                          &python_action_install_list);
+        }
+        else if (data == &python_action_remove_list)
+        {
+            plugin_script_action_remove (weechat_python_plugin,
+                                         python_scripts,
+                                         &weechat_python_unload,
+                                         &python_action_remove_list);
+        }
+    }
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_python_signal_script_action_cb: callback called when a script action
+ *                                         is asked (install/remove a script)
+ */
+
+int
+weechat_python_signal_script_action_cb (void *data, const char *signal,
+                                        const char *type_data,
+                                        void *signal_data)
+{
+    /* make C compiler happy */
+    (void) data;
+
+    if (strcmp (type_data, WEECHAT_HOOK_SIGNAL_STRING) == 0)
+    {
+        if (strcmp (signal, "python_script_install") == 0)
+        {
+            plugin_script_action_add (&python_action_install_list,
+                                      (const char *)signal_data);
+            weechat_hook_timer (1, 0, 1,
+                                &weechat_python_timer_action_cb,
+                                &python_action_install_list);
+        }
+        else if (strcmp (signal, "python_script_remove") == 0)
+        {
+            plugin_script_action_add (&python_action_remove_list,
+                                      (const char *)signal_data);
+            weechat_hook_timer (1, 0, 1,
+                                &weechat_python_timer_action_cb,
+                                &python_action_remove_list);
+        }
+    }
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_plugin_init: initialize Python plugin
+ */
+
+int
+weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
+{
+    struct t_plugin_script_init init;
+
+    weechat_python_plugin = plugin;
+
+    /*
+     * hook info to get path to python 2.x interpreter
+     * (some scripts using hook_process need that)
+     */
+    weechat_python_set_python2_bin ();
+    weechat_hook_info ("python2_bin",
+                       N_("path to python 2.x interpreter"),
+                       NULL,
+                       &weechat_python_info_cb, NULL);
+
+    /* init stdout/stderr buffer */
+    python_buffer_output[0] = '\0';
+
+    PyImport_AppendInittab("weechat",
+                           &weechat_python_init_module_weechat);
+
+    Py_Initialize ();
+    if (Py_IsInitialized () == 0)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to launch global "
+                                         "interpreter"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+        return WEECHAT_RC_ERROR;
+    }
+
+    /* PyEval_InitThreads(); */
+    /* python_mainThreadState = PyThreadState_Swap(NULL); */
+    python_mainThreadState = PyEval_SaveThread();
+    /* PyEval_ReleaseLock (); */
+
+    if (!python_mainThreadState)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to get current "
+                                         "interpreter state"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+        return WEECHAT_RC_ERROR;
+    }
+
+    init.callback_command = &weechat_python_command_cb;
+    init.callback_completion = &weechat_python_completion_cb;
+    init.callback_infolist = &weechat_python_infolist_cb;
+    init.callback_signal_debug_dump = &weechat_python_signal_debug_dump_cb;
+    init.callback_signal_buffer_closed = &weechat_python_signal_buffer_closed_cb;
+    init.callback_signal_script_action = &weechat_python_signal_script_action_cb;
+    init.callback_load_file = &weechat_python_load_cb;
+
+    python_quiet = 1;
+    plugin_script_init (weechat_python_plugin, argc, argv, &init);
+    python_quiet = 0;
+
+    plugin_script_display_short_list (weechat_python_plugin,
+                                      python_scripts);
+
+    /* init ok */
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * weechat_plugin_end: shutdown Python interface
+ */
+
+int
+weechat_plugin_end (struct t_weechat_plugin *plugin)
+{
+    /* unload all scripts */
+    python_quiet = 1;
+    plugin_script_end (plugin, &python_scripts, &weechat_python_unload_all);
+    python_quiet = 0;
+
+    /* free Python interpreter */
+    if (python_mainThreadState != NULL)
+    {
+        /* PyEval_AcquireLock (); */
+        PyThreadState_Swap (python_mainThreadState);
+        /* PyEval_ReleaseLock (); */
+        python_mainThreadState = NULL;
+    }
+
+    Py_Finalize ();
+    if (Py_IsInitialized () != 0)
+    {
+        weechat_printf (NULL,
+                        weechat_gettext ("%s%s: unable to free interpreter"),
+                        weechat_prefix ("error"), PYTHON_PLUGIN_NAME);
+    }
+
+    /* free some data */
+    if (python2_bin)
+        free (python2_bin);
+    if (python_action_install_list)
+        free (python_action_install_list);
+    if (python_action_remove_list)
+        free (python_action_remove_list);
+
+    return WEECHAT_RC_OK;
+}