allow to be used with python2.7

markov.py

@@ -14,7 +14,7 @@ def __init__(self, n=3):
     def train(self, training_data):
         prev = ()
         for token in training_data:
-            token = sys.intern(token)
+            #token = sys.intern(token)
             for pprev in [prev[i:] for i in range(len(prev) + 1)]:
                 if not pprev in self.data:
                     self.data[pprev] = [0, {}]
@@ -75,6 +75,9 @@ def __next__(self):
             self.prev = self.prev[1:]
 
         return next
+
+    def next(self):
+        return self.__next__()
 
     def _choose(self, freqdict):
         total, choices = freqdict

markovstate.py

@@ -77,7 +77,6 @@ def more(self, chunks=1):
     def train(self, n, stream, noparagraphs=False):
         """Train a new markov chain, overwriting the existing one.
         """
-
         training_data = tokenise.Tokeniser(stream=stream,
                                            noparagraphs=noparagraphs)
 

repl.py

@@ -34,15 +34,16 @@ def wrapper(self, line):
     return wrapper
 
 
-class Repl(cmd.Cmd):
+class Repl(object,cmd.Cmd):
     """REPL for Markov interaction. This is way overkill, yay!
     """
 
     def __init__(self):
         """Initialise a new REPL.
         """
-
-        super().__init__()
+        self.completekey = False
+        self.cmdqueue = []
+        super(Repl, self).__init__()
         self.markov = markovstate.MarkovState()
 
     def help_generators(self):
@@ -144,11 +145,12 @@ def do_train(self, args):
                  for path in glob.glob(os.path.expanduser(ps))]
 
         def charinput(paths):
-            with fileinput.input(paths) as fi:
-                for line in fi:
-                    for char in line:
-                        yield char
-
+            fi = fileinput.input(paths)
+            for line in fi:
+                for char in line:
+                    yield char
+            fi.close()
+
         self.markov.train(args["<n>"],
                           charinput(paths),
                           noparagraphs=args["--noparagraphs"])

tokenise.py

@@ -28,7 +28,7 @@ def __next__(self):
             # after this point.
             try:
                 next_char = next(self.stream)
-            except:
+            except Exception:
                 next_char = ''
                 self.halt = True
                 if not self.buffer:
@@ -70,3 +70,6 @@ def __next__(self):
 
         # If we're here, we got nothing but EOF.
         raise StopIteration
+
+    def next(self):
+        return self.__next__()