Modernize Python 2 code to get ready for Python 3

32-trinity/tf-32.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+from __future__ import print_function
 import sys, re, operator, collections
 
 class WordFrequenciesModel:
@@ -14,7 +15,7 @@ class WordFrequenciesModel:
             words = re.findall('[a-z]{2,}', open(path_to_file).read().lower())
             self.freqs = collections.Counter(w for w in words if w not in self.stopwords)
         except IOError:
-            print "File not found"
+            print("File not found")
             self.freqs = {}
 
 class WordFrequenciesView:
@@ -24,7 +25,7 @@ class WordFrequenciesView:
     def render(self):
         sorted_freqs = sorted(self._model.freqs.iteritems(), key=operator.itemgetter(1), reverse=True)
         for (w, c) in sorted_freqs[0:25]:
-            print w, '-', c
+            print(w, '-', c)
 
 class WordFrequencyController:
     def __init__(self, model, view):
@@ -33,7 +34,7 @@ class WordFrequencyController:
 
     def run(self):
         while True:
-            print "Next file: " 
+            print("Next file: ") 
             sys.stdout.flush() 
             filename = sys.stdin.readline().strip()
             self._model.update(filename)