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@gj84
Last active October 6, 2015 13:28
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Class to manipulate permutations and find anagrams
import codecs
class Permutador:
def __init__(self):
self.lista = []
self.index = 0
self.anagramas = []
def permutar(self,lista_an,longitud=None,anag_an=[]): #same itertools.permutation, but it's recursive
if longitud == None:
longitud = len(lista_an)
self.lista = []
for k in range(0,len(lista_an)):
anag_new = anag_an + [lista_an[k]]
lista_new = lista_an[:]
lista_new.pop(k)
if len(anag_new) == longitud:
self.lista.append(anag_new)
self.permutar(lista_new,longitud,anag_new)
def avanzar(self):
if self.index < len(self.lista)-1:
self.index += 1
return self.lista[self.index]
else: return None
def retroceder(self):
if self.index > 0:
self.index -= 1
return self.lista[self.index]
else: return None
def actual(self):
return self.lista[self.index]
def mostrar_lista(self):
for elemento in self.lista:
print elemento
def buscar_anagramas(self,diccionariopath,codificacion='utf_8'):
diccionario = codecs.open(diccionariopath,'r',codificacion)
for palabra in diccionario:
if palabra[0] in self.lista[0]:
for elemento in self.lista:
if ''.join(elemento) == palabra[:-1]:
if palabra[:-1] not in self.anagramas:
self.anagramas.append(palabra[:-1])
diccionario.close()
#Ejemplo
#path = 'vocabulario.txt'
#permut = Permutador()
#permut.permutar(list('mora'))
#permut.buscar_anagramas(path,'utf_8')
#for anagrama in permut.anagramas:
# print anagrama
#>>>
#amor
#mora
#omar
#ramo
#roma
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