add ribes

banana/bananalib.py

@@ -1,7 +1,7 @@
 """Main module."""
 
 
-def dec2banana(num, dictstart=0, shiftend=0, minlength=0, dictionary=None):
+def encoder(num, dictstart=0, shiftend=0, minlength=0, dictionary=None):
     if dictionary is None:
         dictionary = [list("bcdfglmnprstvz"), list("aeiou")]
 
@@ -11,7 +11,9 @@ def dec2banana(num, dictstart=0, shiftend=0, minlength=0, dictionary=None):
     length = 0
 
     idx = (numdict - 1 + dictstart + shiftend) % numdict
-    while not (v == 0 and idx == (numdict - 1 + dictstart) % numdict and length >= minlength):
+    while not (
+        v == 0 and idx == (numdict - 1 + dictstart) % numdict and length >= minlength
+    ):
         r = v % len(dictionary[idx])
         v = int(v / len(dictionary[idx]))
         st = dictionary[idx][r] + st
@@ -21,7 +23,7 @@ def dec2banana(num, dictstart=0, shiftend=0, minlength=0, dictionary=None):
     return st
 
 
-def banana2dec(banana, dictstart=0, shiftend=0, dictionary=None):
+def decoder(banana, dictstart=0, shiftend=0, dictionary=None):
     # defaults
     if dictionary is None:
         dictionary = [list("bcdfglmnprstvz"), list("aeiou")]  # , list("123456")
@@ -40,6 +42,22 @@ def banana2dec(banana, dictstart=0, shiftend=0, dictionary=None):
     return v
 
 
+def banana2dec(word):
+    return decoder(word)
+
+
+def dec2banana(word):
+    return encoder(word)
+
+
+def ribes2dec(word):
+    return decoder(word, 1, 1)
+
+
+def dec2ribes(word):
+    return encoder(word, 1, 1)
+
+
 def bananarandom(dictstart=0, shiftend=0, minlength=6, dictionary=None):
     import random
 

tests/test_banana.py

@@ -2,9 +2,9 @@
 
 """Tests for `banana` package."""
 
-from banana import banana2dec, dec2banana
+from banana import banana2dec, dec2banana, dec2ribes, ribes2dec
 
-known_conversions = {
+banana_conversions = {
     "ba": 0,
     "baba": 0,
     "be": 1,
@@ -15,27 +15,59 @@ known_conversions = {
     "banana": 2485,
 }
 
+ribes_conversions = {
+    "a": 0,
+    "aca": 5,
+    "ada": 10,
+    "afa": 15,
+    "aga": 20,
+    "ala": 25,
+    "ama": 30,
+    "ana": 35,
+    "apa": 40,
+    "ara": 45,
+    "asa": 50,
+    "ata": 55,
+    "ava": 60,
+    "aza": 65,
+    "eba": 70,
+    "eca": 75,
+    "eda": 80,
+    "efa": 85,
+    "ega": 90,
+}
+
 
 def test_banana_to_dec_known():
-    for word, value in known_conversions.items():
+    for word, value in banana_conversions.items():
         assert banana2dec(word) == value
 
 
 def test_banana2dec_prefix_ba():
     """un ba all'inizio non cambia nulla!"""
-    for word in known_conversions:
+    for word in banana_conversions:
         value = banana2dec(word)
         for prefix in ("ba", "baba", "bababa"):
             assert banana2dec(prefix + word) == value
 
 
 def test_dec_to_banana_known():
-    for word, value in known_conversions.items():
+    for word, value in banana_conversions.items():
         if word.startswith("ba"):
             continue
         assert dec2banana(value) == word
 
 
+def test_ribes_to_dec_known():
+    for word, value in ribes_conversions.items():
+        assert ribes2dec(word) == value
+
+
+def test_dec_to_ribes_known():
+    for word, value in ribes_conversions.items():
+        assert dec2ribes(value) == word
+
+
 def test_answer_to_life_the_universe_and_everything():
     banana = banana2dec("banana")
     assert banana != 42