Adding whitespaces.py, a small script for code clean

tools/whitespaces.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+#  2014, By konstin (http://github/konstin)
+#
+#  Removes all trailing whitespaces and replaces all tabs with four spacesin the
+#  files with a given extension in a recursivly searched directory.
+#  It can also count the number of code lines excluding comments and blank
+#  lines.
+#
+#  Tested with python 2.7 and python 3
+
+import os
+
+def main():
+    # -------------- config --------------
+    extensions = ["cpp", "hpp", "c" , "h"]
+    directory = "../src"
+    # Counts files and lines if enabled
+    statistics = True
+    # ------------------------------------
+
+    if statistics:
+        lines_total  = 0
+        lines_code   = 0
+        file_counter = 0
+
+    for dirpath, dirnames, filenames in os.walk(directory):
+        for filename in filenames:
+            if statistics:
+                file_counter += 1
+
+            if (filename.rfind(".") != -1 and
+                             filename[ filename.rfind(".")+1 : ] in extensions):
+                # reading
+                src_file = open(dirpath + "/" + filename, "r")
+                lines = src_file.readlines()
+
+                if statistics:
+                    lines_total += len(lines)
+
+                for i in range(len(lines)):
+                    lines[i] = lines[i].rstrip().replace("\t", "    ") + "\n"
+                    if statistics:
+                        if (lines[i].lstrip() != ""
+                            and lines[i].lstrip()[0:2] != "//"):
+                            lines_code += 1
+                src_file.close()
+
+                # writing back
+                src_file = open(dirpath + "/" + filename, "w")
+                src_file.write("".join(lines))
+                src_file.close()
+
+    if statistics:
+        print("Total number of files in " + directory + ": "
+                                                            + str(file_counter))
+        print("Lines in total in: " + str(lines_total))
+        print("↳ excluding comments and blank lines: " + str(lines_code)+ "\n")
+
+    print("Finished.")
+
+
+if __name__ == '__main__':
+    main()
+