From ebd32006ecfbdbbca5b62543070580310b95997b Mon Sep 17 00:00:00 2001
From: Diego Pinto <dppintoroa@gmail.com>
Date: Fri, 25 Jan 2013 21:40:05 +0000
Subject: Merge branch 'master' of git.sugarlabs.org:elephant/elephant

---
diff --git a/Ejemplo.py b/Ejemplo.py
index b0b53b4..e4265b6 100755
--- a/Ejemplo.py
+++ b/Ejemplo.py
@@ -24,13 +24,39 @@ def main():
 
     print 'Palabra aleatoria %s y el path correspndiente %s' %(word, path)
 
-    choice_letter = elephant.letters()
+    choice_letter = elephant.letters(word)
 
-    letter_to_say = 'Donde esta la letra '
-    letter_to_say += choice_letter.get_letter(word)
-    print letter_to_say
+    letter_to_say_index = choice_letter.letter_index
+    letter_to_say = choice_letter.letter
+
+    print 'Indice %s y letra %s' %(letter_to_say_index, letter_to_say)
+
+    all_indexes = choice_letter.get_all_indexes(word, letter_to_say)
+    print 'Todos los indices validos %s' %all_indexes
+
+    false_choices = choice_letter.get_false_options(word, all_indexes) 
+    print 'Opciones invalidas %s. No tienen que coincidir con los validos' \
+        %false_choices
+
+    relative_place = choice_letter.get_relative_place( \
+        letter_to_say_index, \
+        all_indexes)
+    print 'Lugar relativo %s' %relative_place
+
+    place_word = choice_letter.translate_relative_place(relative_place)
+    print 'Lugar relativo %s' %place_word
+
+    speech_to_say = 'Donde esta la '
+    if relative_place == False:
+        speech_to_say += ''
+    else:
+        speech_to_say += place_word
+    speech_to_say += ' letra '
+    speech_to_say += letter_to_say 
+    
+    print speech_to_say
     
-    say(letter_to_say)
+    say(speech_to_say)
 
 def say(text):
     Popen(['espeak', '-v', 'es', text])
diff --git a/elephant.conf b/elephant.conf
index 4cd67da..e3fa26e 100644
--- a/elephant.conf
+++ b/elephant.conf
@@ -1,7 +1,5 @@
 [Main]
-icon = images/elefante_icon.png
-logo = images/elefante_logo.png
-
+Falseoptions = 2
 
 [Categories]
 cat01 = animals
diff --git a/elephant.py b/elephant.py
index 5f680e7..fc22814 100755
--- a/elephant.py
+++ b/elephant.py
@@ -1,16 +1,13 @@
-#!/usr/bin/python
-
 import ConfigParser
-
-from random import choice
+import random
 
 # Global definition
 CONF_FILE='elephant.conf'
 CAT_SECTION='Categories'
 WORDS_SECTION='Words'
+MAIN_SECTION='Main'
 
-# Class
-# Return the word list from config file and numbers of word
+# Class word_list
 class word_list:
     
     def __init__(self):
@@ -55,20 +52,80 @@ class word_list:
 
         return image_path
 
+# Class letters
 class letters:
     
-    def __init__(self):
-        pass
+    def __init__(self, word):
+        self.letter_index, self.letter = self._get_letter_index(word)
 
-    def get_letter(self, word):
-        letter = choice (word)
+    # Return a random letter for a given word and index
+    def _get_letter_index(self, word):
 
-        return letter
+        word_len = len(word)
 
+        # Generate a random index of a letter in the word
+        letter_index = random.randint(0, word_len - 1)
+
+        # Get the letter at position letter_index
+        letter = word[letter_index]
         
-        
+        return letter_index+1, letter
 
-    
+    # Return list of indexes for every ocurrence ot the letter in the word.
+    def get_all_indexes(self, word, letter):
+
+        # Init vars
+        word_len = len(word)
+        indexes = []
+        i = 0
+
+        # Generates a list with indexes of ocurrences of the letter
+        for i in range(word_len):
+            if word[i] == letter:
+                indexes.append(i+1)
+            i+=1
+               
+        return indexes
+
+    # Return false options non-overlaping with true options
+    def get_false_options(self, word, true_indexes):
+        word_len = len(word)
+
+        #parser = ConfigParser.SafeConfigParser()
+        #parser.read(CONF_FILE)
+
+        #false_options = parser.get(MAIN_SECTION, 'Falseoptions')
+
+        false_choices = []
+        for i in [1, 2]:
+            false_choice = random.randrange(word_len)
+            if (false_choice in true_indexes) == True:
+                pass
+            else:
+                false_choices.append(false_choice)
+                i += 1
+
+        return false_choices
+
+    # Return the relative place of a letter in case there are multiples
+    # ocurrences of the letter. False in case there are only one.
+    def get_relative_place(self, letter_index, true_indexes):
+
+        if len(true_indexes) == 1:
+            return False
+
+        relative_place = true_indexes.index(letter_index)
+
+        return relative_place+1
+
+
+    # Translate relative place to words
+    def translate_relative_place(self, relative_place):
+
+        if relative_place == False:
+            return False
 
+        relative_place -= 1
+        places = ['Primera', 'Segunda', 'Tercera', 'Cuarta', 'Quinta', 'Sexta']
 
-       
\ No newline at end of file
+        return places[relative_place]
\ No newline at end of file
--
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