Initial Encoder

app.py

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+import re
+import random
+
+
+TOKENIZE_RE = re.compile(r'(\w+)', re.U)
+
+
+def encode_text(text):
+    output = TOKENIZE_RE.split(text)
+
+    original_words = []
+    encoded_words = []
+
+    for word in output:
+        encoded_word, encoded = encoder(word)
+        if encoded:
+            original_words.append(word)
+        encoded_words.append(encoded_word)
+
+    separator = '\n---weird---\n'
+    original = sorted(original_words, key=lambda s: s.lower())
+    original_words = ' '.join(original)
+    encoded_text = ''.join(encoded_words)
+    return ''.join([separator, encoded_text, separator, original_words])
+
+
+def encoder(word):
+    if len(word) > 3:
+        first_letter = word[0]
+        last_letter = word[-1]
+        word_center = word[1:-1]
+        encoded_center, encoded = shuffle(word_center)
+
+        encoded_word = ''.join([first_letter, encoded_center, last_letter])
+    else:
+        encoded_word = word
+        encoded = False
+    return encoded_word, encoded
+
+
+def shuffle(word):
+    encoded = word
+    word_list = list(word)
+    encoded_list = word_list[:]
+
+    encoded = False
+    if len(set(encoded_list)) >= 2:
+        while (encoded_list == word_list):
+            random.shuffle(word_list)
+            encoded = True
+
+    encoded_word = ''.join(word_list)
+    return encoded_word, encoded
+
+
+def decoder():
+    pass
+
+
+if __name__ == '__main__':
+    text = '''This is a long looong test sentence,
+with some big (biiiiig) words!'''
+    print encode_text(text)