Add wordlist parser.

diceware/diceware.py

+import os
+
+#: The directory in which wordlists are stored
+SRC_DIR = os.path.dirname(__file__)
+
+def get_wordlist(path):
+    """Parse file at `path` and build a word list of it.
+    """
+    result = []
+    with open(path, 'r') as fd:
+        for line in fd.readlines():
+            if not '\t' in line:
+                continue
+            term = line.split('\t')[1].strip()
+            result.append(term)
+    return result
+
 
 def main():
     pass

tests/test_diceware.py

+import os
+from diceware.diceware import SRC_DIR, get_wordlist
 
-def test_foo():
-    assert 1 == 1
+
+def test_get_wordlist_en():
+    # we can get a list of words out of english wordlist.
+    en_src = os.path.join(SRC_DIR, 'wordlist_en.asc')
+    en_result = get_wordlist(en_src)
+    assert en_result[0] == 'a'
+    assert en_result[-1] == '@'
+    assert len(en_result) == 7776