Added SHA1 renaming tool

tools/file-processing/sha1rename.py

@@ -0,0 +1,44 @@
+#!/usr/bin/python
+
+import os, argparse, hashlib, glob
+
+parser = argparse.ArgumentParser(description='Renames files according to their own SHA1 hash.')
+
+parser.add_argument('-p', dest='pattern', action='store', default='*',
+                   help='glob pattern (including path) that has to be matched for a file to be renamed')
+
+args = parser.parse_args()
+options = vars(args)
+
+# Select all files matching the given pattern
+file_list = glob.glob(options['pattern'])
+
+finished = 0
+
+for targetfile in file_list:	
+	try:
+		f = open(targetfile, 'rb')
+	except IOError:
+		continue
+	
+	try:
+		sha1_hash = hashlib.sha1(f.read()).hexdigest()
+	except IOError:
+		continue
+	finally:
+		f.close()
+		
+	file_name, file_extension = os.path.splitext(targetfile)
+	
+	if file_extension != "":
+		new_path = "%s/%s%s" % (os.path.dirname(targetfile), sha1_hash, file_extension)
+	else:
+		new_path = "%s/%s" % (os.path.dirname(targetfile), sha1_hash)
+	
+	os.rename(targetfile, new_path)
+	
+	print "%s -> %s" % (targetfile, new_path)
+		
+	finished += 1
+	
+print "Renamed %d files." % finished