1 files changed, 12 insertions, 15 deletions
diff --git a/Tools/scripts/md5sum.py b/Tools/scripts/md5sum.py
index f910576..e045f1a 100755
--- a/Tools/scripts/md5sum.py
+++ b/Tools/scripts/md5sum.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python3
+#! /usr/bin/env python
 
 """Python utility to print MD5 checksums of argument files.
 """
@@ -9,7 +9,7 @@ fnfilter = None
 rmode = 'rb'
 
 usage = """
-usage: md5sum.py [-b] [-t] [-l] [-s bufsize] [file ...]
+usage: sum5 [-b] [-t] [-l] [-s bufsize] [file ...]
 -b        : read files in binary mode (default)
 -t        : read files in text mode (you almost certainly don't want this!)
 -l        : print last pathname component only
@@ -17,15 +17,14 @@ usage: md5sum.py [-b] [-t] [-l] [-s bufsize] [file ...]
 file ...  : files to sum; '-' or no files means stdin
 """ % bufsize
 
-import io
 import sys
 import os
 import getopt
-from hashlib import md5
+import md5
 
 def sum(*files):
     sts = 0
-    if files and isinstance(files[-1], io.IOBase):
+    if files and isinstance(files[-1], file):
         out, files = files[-1], files[:-1]
     else:
         out = sys.stdout
@@ -44,26 +43,24 @@ def sum(*files):
 def printsum(filename, out=sys.stdout):
     try:
         fp = open(filename, rmode)
-    except IOError as msg:
+    except IOError, msg:
         sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg))
         return 1
-    with fp:
-        if fnfilter:
-            filename = fnfilter(filename)
-        sts = printsumfp(fp, filename, out)
+    if fnfilter:
+        filename = fnfilter(filename)
+    sts = printsumfp(fp, filename, out)
+    fp.close()
     return sts
 
 def printsumfp(fp, filename, out=sys.stdout):
-    m = md5()
+    m = md5.new()
     try:
         while 1:
             data = fp.read(bufsize)
             if not data:
                 break
-            if isinstance(data, str):
-                data = data.encode(fp.encoding)
             m.update(data)
-    except IOError as msg:
+    except IOError, msg:
         sys.stderr.write('%s: I/O error: %s\n' % (filename, msg))
         return 1
     out.write('%s %s\n' % (m.hexdigest(), filename))
@@ -73,7 +70,7 @@ def main(args = sys.argv[1:], out=sys.stdout):
     global fnfilter, rmode, bufsize
     try:
         opts, args = getopt.getopt(args, 'blts:')
-    except getopt.error as msg:
+    except getopt.error, msg:
         sys.stderr.write('%s: %s\n%s' % (sys.argv[0], msg, usage))
         return 2
     for o, a in opts: