Added plugins style

19-plugins/plugins-src/words1.py

@@ -0,0 +1,31 @@
+import sys, re, string
+
+def extract_words(path_to_file):
+    """
+    Takes a path to a file and returns the non-stop
+    words, after properly removing nonalphanumeric chars
+    and normalizing for lower case
+    """
+    if type(path_to_file) is not str or not path_to_file:
+        return []
+
+    try:
+        with open(path_to_file) as f:
+            str_data = f.read()
+    except IOError as e:
+        print "I/O error({0}) when opening {1}: {2}".format(e.errno, path_to_file, e.strerror)
+        return []
+    
+    pattern = re.compile('[\W_]+')
+    word_list = pattern.sub(' ', str_data).lower().split()
+
+    try:
+        with open('../stop_words.txt') as f:
+            stop_words = f.read().split(',')
+    except IOError as e:
+        print "I/O error({0}) when opening ../stops_words.txt: {1}".format(e.errno, e.strerror)
+        return []
+
+    stop_words.extend(list(string.ascii_lowercase))
+    return [w for w in word_list if not w in stop_words]
+