/* * weechat-python.c - python plugin for WeeChat * * Copyright (C) 2003-2020 Sébastien Helleu * Copyright (C) 2005-2007 Emmanuel Bouthenot * Copyright (C) 2012 Simon Arlott * * 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 . */ #undef _ #include #include #include #include #include #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("Sébastien Helleu "); WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION); WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE); WEECHAT_PLUGIN_PRIORITY(4000); struct t_weechat_plugin *weechat_python_plugin = NULL; struct t_plugin_script_data python_data; struct t_config_file *python_config_file = NULL; struct t_config_option *python_config_look_check_license = NULL; struct t_config_option *python_config_look_eval_keep_context = NULL; int python_quiet = 0; struct t_plugin_script *python_script_eval = NULL; int python_eval_mode = 0; int python_eval_send_input = 0; int python_eval_exec_commands = 0; struct t_gui_buffer *python_eval_buffer = NULL; #define PYTHON_EVAL_SCRIPT \ "import weechat\n" \ "\n" \ "def script_python_eval(code):\n" \ " exec(code)\n" \ "\n" \ "weechat.register('" WEECHAT_SCRIPT_EVAL_NAME "', '', '1.0', " \ "'" WEECHAT_LICENSE "', 'Evaluation of source code', '', '')\n" 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; PyThreadState *python_current_interpreter = NULL; char *python2_bin = NULL; char **python_buffer_output = 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 /* PY_MAJOR_VERSION >= 3 */ /* * string used to execute action "install": * when signal "python_script_install" 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_script_remove" 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; /* * string used to execute action "autoload": * when signal "python_script_autoload" is received, name of string * is added to this string, to autoload or disable autoload later by a timer * (when nothing is running in script) */ char *python_action_autoload_list = NULL; /* * Gets path to python 2.x interpreter. * * Note: result must be freed after use. */ char * weechat_python_get_python2_bin () { char *dir_separator, *py2_bin, *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; py2_bin = NULL; dir_separator = weechat_info_get ("dir_separator", ""); path = getenv ("PATH"); if (dir_separator && path) { paths = weechat_string_split (path, ":", NULL, WEECHAT_STRING_SPLIT_STRIP_LEFT | WEECHAT_STRING_SPLIT_STRIP_RIGHT | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS, 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))) { py2_bin = strdup (bin); break; } } if (py2_bin) break; } weechat_string_free_split (paths); } } if (dir_separator) free (dir_separator); if (!py2_bin) py2_bin = strdup ("python"); return py2_bin; } /* * Converts a python unicode to a C UTF-8 string. * * Note: result must 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; } /* * 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); } /* * Converts a WeeChat hashtable to a python dictionary. */ 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; } /* * Converts a python dictionary to a WeeChat hashtable. * * Note: hashtable must be freed after use. */ struct t_hashtable * weechat_python_dict_to_hashtable (PyObject *dict, int size, const char *type_keys, const char *type_values) { struct t_hashtable *hashtable; PyObject *key, *value; Py_ssize_t pos; char *str_key, *str_value; hashtable = weechat_hashtable_new (size, type_keys, type_values, 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) { if (strcmp (type_values, WEECHAT_HASHTABLE_STRING) == 0) { weechat_hashtable_set (hashtable, str_key, str_value); } else if (strcmp (type_values, WEECHAT_HASHTABLE_POINTER) == 0) { weechat_hashtable_set (hashtable, str_key, plugin_script_str2ptr (weechat_python_plugin, NULL, NULL, str_value)); } } if (str_key) free (str_key); if (str_value) free (str_value); } return hashtable; } /* * Flushes output. */ void weechat_python_output_flush () { const char *ptr_command; char *temp_buffer, *command; int length; if (!*python_buffer_output[0]) return; /* if there's no buffer, we catch the output, so there's no flush */ if (python_eval_mode && !python_eval_buffer) return; temp_buffer = strdup (*python_buffer_output); if (!temp_buffer) return; weechat_string_dyn_copy (python_buffer_output, NULL); if (python_eval_mode) { if (python_eval_send_input) { if (python_eval_exec_commands) ptr_command = temp_buffer; else ptr_command = weechat_string_input_for_buffer (temp_buffer); if (ptr_command) { weechat_command (python_eval_buffer, temp_buffer); } else { length = 1 + strlen (temp_buffer) + 1; command = malloc (length); if (command) { snprintf (command, length, "%c%s", temp_buffer[0], temp_buffer); weechat_command (python_eval_buffer, (command[0]) ? command : " "); free (command); } } } else { weechat_printf (python_eval_buffer, "%s", temp_buffer); } } else { /* script (no eval mode) */ weechat_printf ( NULL, weechat_gettext ("%s: stdout/stderr (%s): %s"), PYTHON_PLUGIN_NAME, (python_current_script) ? python_current_script->name : "?", temp_buffer); } free (temp_buffer); } /* * Redirection for stdout and stderr. */ static PyObject * weechat_python_output (PyObject *self, PyObject *args) { char *msg, *ptr_msg, *ptr_newline; /* make C compiler happy */ (void) self; msg = NULL; if (!PyArg_ParseTuple (args, "s", &msg)) { weechat_python_output_flush (); } else { ptr_msg = msg; while ((ptr_newline = strchr (ptr_msg, '\n')) != NULL) { ptr_newline[0] = '\0'; weechat_string_dyn_concat (python_buffer_output, ptr_msg); weechat_python_output_flush (); ptr_newline[0] = '\n'; ptr_msg = ++ptr_newline; } weechat_string_dyn_concat (python_buffer_output, ptr_msg); } Py_INCREF(Py_None); return Py_None; } /* * Executes a python function. */ void * weechat_python_exec (struct t_plugin_script *script, int ret_type, const char *function, const 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, *ret_temp; char format2[17]; int i, argc, *ret_int; ret_value = NULL; /* PyEval_AcquireLock (); */ old_python_current_script = python_current_script; python_current_script = 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); */ goto end; } if (argv && argv[0]) { argc = strlen (format); for (i = 0; i < 16; i++) { if (i < argc) { argv2[i] = argv[i]; if (format[i] == 's') { #if PY_MAJOR_VERSION >= 3 if (weechat_utf8_is_valid (argv2[i], -1, NULL)) format2[i] = 's'; /* Python 3: str */ else format2[i] = 'y'; /* Python 3: bytes */ #else format2[i] = 's'; /* Python 2: str */ #endif } else { format2[i] = format[i]; } } else { argv2[i] = NULL; } } format2[argc] = '\0'; rc = PyObject_CallFunction (evFunc, format2, 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); } weechat_python_output_flush (); /* * 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_POINTER) && (PyUnicode_Check (rc))) { ret_temp = weechat_python_unicode_to_string (rc); if (ret_temp) { ret_value = plugin_script_str2ptr (weechat_python_plugin, script->name, function, ret_temp); free (ret_temp); } else { ret_value = NULL; } Py_XDECREF(rc); } else if ((ret_type == WEECHAT_SCRIPT_EXEC_POINTER) && (PyBytes_Check (rc))) { if (PyBytes_AsString (rc)) { ret_value = plugin_script_str2ptr (weechat_python_plugin, script->name, function, PyBytes_AsString (rc)); } else { ret_value = NULL; } Py_XDECREF(rc); } else if ((ret_type == WEECHAT_SCRIPT_EXEC_INT) && (PY_INTEGER_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, WEECHAT_HASHTABLE_STRING, WEECHAT_HASHTABLE_STRING); Py_XDECREF(rc); } else { if (ret_type != WEECHAT_SCRIPT_EXEC_IGNORE) { weechat_printf (NULL, weechat_gettext ("%s%s: function \"%s\" must " "return a valid value"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME, function); } Py_XDECREF(rc); } if ((ret_type != WEECHAT_SCRIPT_EXEC_IGNORE) && !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); */ end: python_current_script = old_python_current_script; if (old_interpreter) PyThreadState_Swap (old_interpreter); return ret_value; } /* * Initializes the "weechat" module. */ #if PY_MAJOR_VERSION >= 3 static PyObject *weechat_python_init_module_weechat () #else void weechat_python_init_module_weechat () #endif /* PY_MAJOR_VERSION >= 3 */ { 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 /* PY_MAJOR_VERSION >= 3 */ 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 /* PY_MAJOR_VERSION >= 3 */ } /* 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_CONNECT_SOCKET_ERROR", PyLong_FromLong ((long)WEECHAT_HOOK_CONNECT_SOCKET_ERROR)); 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 /* PY_MAJOR_VERSION >= 3 */ } /* * Sets weechat output (to redirect stdout/stderr to WeeChat buffer). */ void weechat_python_set_output () { PyObject *weechat_outputs; #if PY_MAJOR_VERSION >= 3 /* python >= 3.x */ weechat_outputs = PyModule_Create (&moduleDefOutputs); #else /* python <= 2.x */ weechat_outputs = Py_InitModule ("weechatOutputs", weechat_python_output_funcs); #endif /* PY_MAJOR_VERSION >= 3 */ if (weechat_outputs) { 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); } } else { weechat_printf (NULL, weechat_gettext ("%s%s: unable to redirect stdout and " "stderr"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME); } } /* * Loads a python script. * * If code is NULL, the content of filename is read and executed. * If code is not NULL, it is executed (the file is not read). * * Returns pointer to new registered script, NULL if error. */ struct t_plugin_script * weechat_python_load (const char *filename, const char *code) { char *argv[] = { "__weechat_plugin__" , NULL }; #if PY_MAJOR_VERSION >= 3 wchar_t *wargv[] = { NULL, NULL }; #endif /* PY_MAJOR_VERSION >= 3 */ FILE *fp; PyObject *python_path, *path, *module_main, *globals, *rc; char *weechat_home; char *str_home; int len; fp = NULL; if (!code) { fp = fopen (filename, "r"); if (!fp) { weechat_printf (NULL, weechat_gettext ("%s%s: script \"%s\" not found"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME, filename); return NULL; } } 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 = mbstowcs (NULL, argv[0], 0) + 1; 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 /* PY_MAJOR_VERSION >= 3 */ if (!python_current_interpreter) { weechat_printf (NULL, weechat_gettext ("%s%s: unable to create new " "sub-interpreter"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME); if (fp) fclose (fp); /* PyEval_ReleaseLock (); */ return NULL; } 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); #if PY_MAJOR_VERSION >= 3 /* python >= 3.x */ path = PyUnicode_FromString (str_home); #else /* python <= 2.x */ path = PyBytes_FromString (str_home); #endif /* PY_MAJOR_VERSION >= 3 */ if (path != NULL) { PyList_Insert (python_path, 0, path); Py_DECREF (path); } free (str_home); } free (weechat_home); } weechat_python_set_output (); python_current_script_filename = filename; if (code) { /* execute code without reading file */ module_main = PyImport_AddModule ("__main__"); globals = PyModule_GetDict (module_main); rc = PyRun_String (code, Py_file_input, globals, NULL); if (PyErr_Occurred ()) { weechat_printf (NULL, weechat_gettext ("%s%s: unable to execute source " "code"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME); PyErr_Print (); if (rc) Py_XDECREF(rc); /* if script was registered, remove it from list */ if (python_current_script) { plugin_script_remove (weechat_python_plugin, &python_scripts, &last_python_script, python_current_script); python_current_script = NULL; } Py_EndInterpreter (python_current_interpreter); /* PyEval_ReleaseLock (); */ return NULL; } if (rc) Py_XDECREF(rc); } else { /* read and execute code from file */ 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) { plugin_script_remove (weechat_python_plugin, &python_scripts, &last_python_script, python_current_script); python_current_script = NULL; } Py_EndInterpreter (python_current_interpreter); /* PyEval_ReleaseLock (); */ return NULL; } fclose (fp); } if (PyErr_Occurred ()) PyErr_Print (); 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 NULL; } python_current_script = python_registered_script; /* 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); (void) weechat_hook_signal_send ("python_script_loaded", WEECHAT_HOOK_SIGNAL_STRING, python_current_script->filename); return python_current_script; } /* * 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, NULL); } /* * Unloads a python script. */ void weechat_python_unload (struct t_plugin_script *script) { int *rc; void *interpreter; char *filename; 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); } filename = strdup (script->filename); 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 (python_current_script) PyThreadState_Swap (python_current_script->interpreter); (void) weechat_hook_signal_send ("python_script_unloaded", WEECHAT_HOOK_SIGNAL_STRING, filename); if (filename) free (filename); } /* * Unloads 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); if (!python_quiet) { 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); } } /* * Unloads all python scripts. */ void weechat_python_unload_all () { while (python_scripts) { weechat_python_unload (python_scripts); } } /* * Reloads 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); if (!python_quiet) { weechat_printf (NULL, weechat_gettext ("%s: script \"%s\" unloaded"), PYTHON_PLUGIN_NAME, name); } weechat_python_load (filename, NULL); free (filename); } } else { weechat_printf (NULL, weechat_gettext ("%s%s: script \"%s\" not loaded"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME, name); } } /* * Evaluates python source code. * * Returns: * 1: OK * 0: error */ int weechat_python_eval (struct t_gui_buffer *buffer, int send_to_buffer_as_input, int exec_commands, const char *code) { void *func_argv[1], *result; if (!python_script_eval) { python_quiet = 1; python_script_eval = weechat_python_load (WEECHAT_SCRIPT_EVAL_NAME, PYTHON_EVAL_SCRIPT); python_quiet = 0; if (!python_script_eval) return 0; } weechat_python_output_flush (); python_eval_mode = 1; python_eval_send_input = send_to_buffer_as_input; python_eval_exec_commands = exec_commands; python_eval_buffer = buffer; func_argv[0] = (char *)code; result = weechat_python_exec (python_script_eval, WEECHAT_SCRIPT_EXEC_IGNORE, "script_python_eval", "s", func_argv); /* result is ignored */ if (result) free (result); weechat_python_output_flush (); python_eval_mode = 0; python_eval_send_input = 0; python_eval_exec_commands = 0; python_eval_buffer = NULL; if (!weechat_config_boolean (python_config_look_eval_keep_context)) { python_quiet = 1; weechat_python_unload (python_script_eval); python_quiet = 0; python_script_eval = NULL; } return 1; } /* * Callback for command "/python". */ int weechat_python_command_cb (const void *pointer, void *data, struct t_gui_buffer *buffer, int argc, char **argv, char **argv_eol) { char *ptr_name, *ptr_code, *path_script; int i, send_to_buffer_as_input, exec_commands; /* make C compiler happy */ (void) pointer; (void) data; 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], "version") == 0) { plugin_script_display_interpreter (weechat_python_plugin, 0); } else WEECHAT_COMMAND_ERROR; } 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) || (weechat_strcasecmp (argv[1], "reload") == 0) || (weechat_strcasecmp (argv[1], "unload") == 0)) { ptr_name = argv_eol[2]; if (strncmp (ptr_name, "-q ", 3) == 0) { python_quiet = 1; ptr_name += 3; while (ptr_name[0] == ' ') { ptr_name++; } } if (weechat_strcasecmp (argv[1], "load") == 0) { /* load python script */ path_script = plugin_script_search_path (weechat_python_plugin, ptr_name); weechat_python_load ((path_script) ? path_script : ptr_name, NULL); if (path_script) free (path_script); } else if (weechat_strcasecmp (argv[1], "reload") == 0) { /* reload one python script */ weechat_python_reload_name (ptr_name); } else if (weechat_strcasecmp (argv[1], "unload") == 0) { /* unload python script */ weechat_python_unload_name (ptr_name); } python_quiet = 0; } else if (weechat_strcasecmp (argv[1], "eval") == 0) { send_to_buffer_as_input = 0; exec_commands = 0; ptr_code = argv_eol[2]; for (i = 2; i < argc; i++) { if (argv[i][0] == '-') { if (strcmp (argv[i], "-o") == 0) { if (i + 1 >= argc) WEECHAT_COMMAND_ERROR; send_to_buffer_as_input = 1; exec_commands = 0; ptr_code = argv_eol[i + 1]; } else if (strcmp (argv[i], "-oc") == 0) { if (i + 1 >= argc) WEECHAT_COMMAND_ERROR; send_to_buffer_as_input = 1; exec_commands = 1; ptr_code = argv_eol[i + 1]; } } else break; } if (!weechat_python_eval (buffer, send_to_buffer_as_input, exec_commands, ptr_code)) WEECHAT_COMMAND_ERROR; } else WEECHAT_COMMAND_ERROR; } return WEECHAT_RC_OK; } /* * Adds python scripts to completion list. */ int weechat_python_completion_cb (const void *pointer, void *data, const char *completion_item, struct t_gui_buffer *buffer, struct t_gui_completion *completion) { /* make C compiler happy */ (void) pointer; (void) data; (void) completion_item; (void) buffer; plugin_script_completion (weechat_python_plugin, completion, python_scripts); return WEECHAT_RC_OK; } /* * Returns hdata for python scripts. */ struct t_hdata * weechat_python_hdata_cb (const void *pointer, void *data, const char *hdata_name) { /* make C compiler happy */ (void) pointer; (void) data; return plugin_script_hdata_script (weechat_plugin, &python_scripts, &last_python_script, hdata_name); } /* * Returns python info "python2_bin". */ char * weechat_python_info_python2_bin_cb (const void *pointer, void *data, const char *info_name, const char *arguments) { int rc; struct stat stat_buf; /* make C compiler happy */ (void) pointer; (void) data; (void) info_name; (void) arguments; 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); python2_bin = weechat_python_get_python2_bin (); } } return (python2_bin) ? strdup (python2_bin) : NULL; } /* * Returns python info "python_eval". */ char * weechat_python_info_eval_cb (const void *pointer, void *data, const char *info_name, const char *arguments) { char *output; /* make C compiler happy */ (void) pointer; (void) data; (void) info_name; weechat_python_eval (NULL, 0, 0, (arguments) ? arguments : ""); output = strdup (*python_buffer_output); weechat_string_dyn_copy (python_buffer_output, NULL); return output; } /* * Returns infolist with python scripts. */ struct t_infolist * weechat_python_infolist_cb (const void *pointer, void *data, const char *infolist_name, void *obj_pointer, const char *arguments) { /* make C compiler happy */ (void) pointer; (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, obj_pointer, arguments); } return NULL; } /* * Dumps python plugin data in WeeChat log file. */ int weechat_python_signal_debug_dump_cb (const void *pointer, void *data, const char *signal, const char *type_data, void *signal_data) { /* make C compiler happy */ (void) pointer; (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; } /* * Timer for executing actions. */ int weechat_python_timer_action_cb (const void *pointer, void *data, int remaining_calls) { /* make C compiler happy */ (void) data; (void) remaining_calls; if (pointer) { if (pointer == &python_action_install_list) { plugin_script_action_install (weechat_python_plugin, python_scripts, &weechat_python_unload, &weechat_python_load, &python_quiet, &python_action_install_list); } else if (pointer == &python_action_remove_list) { plugin_script_action_remove (weechat_python_plugin, python_scripts, &weechat_python_unload, &python_quiet, &python_action_remove_list); } else if (pointer == &python_action_autoload_list) { plugin_script_action_autoload (weechat_python_plugin, &python_quiet, &python_action_autoload_list); } } return WEECHAT_RC_OK; } /* * Callback called when a script action is asked (install/remove/autoload a * script). */ int weechat_python_signal_script_action_cb (const void *pointer, void *data, const char *signal, const char *type_data, void *signal_data) { /* make C compiler happy */ (void) pointer; (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, NULL); } 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, NULL); } else if (strcmp (signal, "python_script_autoload") == 0) { plugin_script_action_add (&python_action_autoload_list, (const char *)signal_data); weechat_hook_timer (1, 0, 1, &weechat_python_timer_action_cb, &python_action_autoload_list, NULL); } } return WEECHAT_RC_OK; } /* * Initializes python plugin. */ int weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[]) { weechat_python_plugin = plugin; /* set interpreter name and version */ weechat_hashtable_set (plugin->variables, "interpreter_name", plugin->name); #ifdef PY_VERSION weechat_hashtable_set (plugin->variables, "interpreter_version", PY_VERSION); #else weechat_hashtable_set (plugin->variables, "interpreter_version", ""); #endif /* PY_VERSION */ /* init stdout/stderr buffer */ python_buffer_output = weechat_string_dyn_alloc (256); if (!python_buffer_output) return WEECHAT_RC_ERROR; /* * hook info to get path to python 2.x interpreter * (some scripts using hook_process need that) */ python2_bin = weechat_python_get_python2_bin (); weechat_hook_info ("python2_bin", N_("path to python 2.x interpreter"), NULL, &weechat_python_info_python2_bin_cb, NULL, NULL); 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); weechat_string_dyn_free (python_buffer_output, 1); return WEECHAT_RC_ERROR; } /* PyEval_InitThreads(); */ /* python_mainThreadState = PyThreadState_Swap(NULL); */ #if PY_VERSION_HEX >= 0x03070000 python_mainThreadState = PyThreadState_Get(); #else python_mainThreadState = PyEval_SaveThread(); #endif /* PyEval_ReleaseLock (); */ if (!python_mainThreadState) { weechat_printf (NULL, weechat_gettext ("%s%s: unable to get current " "interpreter state"), weechat_prefix ("error"), PYTHON_PLUGIN_NAME); weechat_string_dyn_free (python_buffer_output, 1); return WEECHAT_RC_ERROR; } python_data.config_file = &python_config_file; python_data.config_look_check_license = &python_config_look_check_license; python_data.config_look_eval_keep_context = &python_config_look_eval_keep_context; python_data.scripts = &python_scripts; python_data.last_script = &last_python_script; python_data.callback_command = &weechat_python_command_cb; python_data.callback_completion = &weechat_python_completion_cb; python_data.callback_hdata = &weechat_python_hdata_cb; python_data.callback_info_eval = &weechat_python_info_eval_cb; python_data.callback_infolist = &weechat_python_infolist_cb; python_data.callback_signal_debug_dump = &weechat_python_signal_debug_dump_cb; python_data.callback_signal_script_action = &weechat_python_signal_script_action_cb; python_data.callback_load_file = &weechat_python_load_cb; python_data.unload_all = &weechat_python_unload_all; python_quiet = 1; plugin_script_init (weechat_python_plugin, argc, argv, &python_data); python_quiet = 0; plugin_script_display_short_list (weechat_python_plugin, python_scripts); /* init OK */ return WEECHAT_RC_OK; } /* * Ends python plugin. */ int weechat_plugin_end (struct t_weechat_plugin *plugin) { /* unload all scripts */ python_quiet = 1; if (python_script_eval) { weechat_python_unload (python_script_eval); python_script_eval = NULL; } plugin_script_end (plugin, &python_data); 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); if (python_action_autoload_list) free (python_action_autoload_list); weechat_string_dyn_free (python_buffer_output, 1); return WEECHAT_RC_OK; }