Implemented a basic Python scripting engine, optional compilation.

src/api.c

@@ -0,0 +1,59 @@
+/*  api.c
+ *
+ *
+ *  Copyright (C) 2017 Toxic All Rights Reserved.
+ *
+ *  This file is part of Toxic.
+ *
+ *  Toxic 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.
+ *
+ *  Toxic 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 Toxic.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "line_info.h"
+#include "python_api.h"
+#include "windows.h"
+
+extern ToxWindow *prompt;
+
+void api_display(const char * const msg)
+{
+    if (msg == NULL)
+        return;
+
+    line_info_add(prompt, NULL, NULL, NULL, SYS_MSG, 0, 0, msg);
+}
+
+void cmd_run(WINDOW *window, ToxWindow *self, Tox *m, int argc, char (*argv)[MAX_STR_SIZE])
+{
+    FILE       *fp;
+    const char *error_str;
+
+    if ( argc != 1 ) {
+        if ( argc < 1 ) error_str = "Path must be specified!";
+        else error_str = "Only one argument allowed!";
+
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, error_str);
+        return;
+    }
+
+    fp = fopen(argv[1], "r");
+    if ( fp == NULL ) {
+        error_str = "Path does not exist!";
+
+        line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, error_str);
+        return;
+    }
+    run_python(fp, argv[1]);
+    fclose(fp);
+}