make maskmail.py python3 compatible

diff --git a/maskmail.py b/maskmail.py
index d60ac0e..5fd47e1 100755 (executable)
--- a/maskmail.py
+++ b/maskmail.py
@@ -1,26 +1,26 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 #-*-coding: utf8-*-
 
-import io
 import sys
 
 def gen_ent(mail):
-       for char in mail:
-               ent = "".join(['&#', `ord(char)`, ';'])
-               yield ent 
+    for char in mail:
+        ent = "".join(['&#', str(ord(char)), ';'])
+        yield ent 
 
 def main(inp):
-       for mail in inp:
-               print mail,":", "".join(gen_ent(mail))
+    for mail in inp:
+        print(mail,":", "".join(gen_ent(mail)))
 
 if __name__ == "__main__":
-       if len(sys.argv) == 1:
-               inp = []
-               for mail in str.split(sys.__stdin__.read()):
-                       inp.append(mail)
-               if len(inp) == 0:
-                       print "Error: Please use either stdin or $1 for string input!"
-               else:
-                       main(inp)
-       else:
-               main(sys.argv[1:])
+    if len(sys.argv) == 1:
+        inp = []
+        for mail in str.split(sys.__stdin__.read()):
+            inp.append(mail)
+        if len(inp) == 0:
+            print("Error: Please use either stdin or $1 for string input!",
+                  file=sys.stderr)
+        else:
+            main(inp)
+    else:
+        main(sys.argv[1:])