Read stopwords.txt when initialize, to avoid reading it in every update.

32-trinity/tf-32.py

@@ -5,14 +5,14 @@ class WordFrequenciesModel:
     """ Models the data. In this case, we're only interested 
     in words and their frequencies as an end result """
     freqs = {}
+    stopwords = set(open('../stop_words.txt').read().split(','))
     def __init__(self, path_to_file):
         self.update(path_to_file)
 
     def update(self, path_to_file):
         try:
-            stopwords = set(open('../stop_words.txt').read().split(','))
             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 stopwords)
+            self.freqs = collections.Counter(w for w in words if w not in self.stopwords)
         except IOError:
             print "File not found"
             self.freqs = {}
@@ -23,7 +23,7 @@ class WordFrequenciesView:
 
     def render(self):
         sorted_freqs = sorted(self._model.freqs.iteritems(), key=operator.itemgetter(1), reverse=True)
-        for (w, c) in sorted_freqs[:25]:
+        for (w, c) in sorted_freqs[0:25]:
             print w, '-', c
 
 class WordFrequencyController: