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#!/usr/bin/env python
'''Utility functions module.
'''
import constants
import re
import os
def get_unicode(data):
if not isinstance(data, unicode):
return unicode(data, "utf-8")
return data
def create_board(size):
board = []
for i in range(0, size):
row = []
for j in range(0, size):
row.append("")
board.append(row)
return board
def get_letters_from_file(lenguage = constants.DEFAULT_LENGUAGE):
letters = {}
letters_path = os.path.join(constans.LENGUAGES_PATH, lenguage,
"letters.txt")
letters_path = os.sep + letters_path
file = open(letters_path, "r")
list = file.readlines()
# format "Letter": (count, score)
pattern = re.compile(r".(?P<letter>[\w\s]+).: .(?P<count>\d+),(?P<score>\d+).")
for i in list:
m = pattern.match(i)
if m:
info = (m.group('count') , m.group('score'))
letters[m.group('letter')] = (int(info[0]) , int(info[1]))
return letters
def get_dictionary(lenguage = constants.DEFAULT_LENGUAGE):
''' Get the dictionary used in the Game
@param lenguage: the lenguage.
@return: a list containing the dictionary.
'''
file_name = "dict-" + lenguage + ".txt"
dict_path = os.path.join(constants.DICTIONARIES_PATH, file_name)
dict_path = os.sep + dict_path
file = open(dict_path, "r")
dict = file.readlines()
return dict
def search_word(lenguage = constants.DEFAULT_LENGUAGE, word, dict):
''' Look for the specified word in the dictionary
@param lenguage: the lenguage.
@param word: word to look for
@param dict: the dictionary.
@return: True or False
'''
l2 = filter(lambda n: re.match(word, n), dict)
if not l2:
return False
return True
def can_form_a_word(board, letters,letter, posx, posy):
''' Check if the given letter can be used to form a new word
on the board.
@param board: the gameboard
@param letters: the list of letters to use.
@param letter: the letter at [row][column] on the board
@param posx: x-possition [row]
@param posy: y-possition [column]
@return: A tuple containing a regular expresion to use as a
pattern to search in the dictionary and the type of
the given letter. The possible types are:
- First letter of the word
- Middle letter.
- Last letter.
'''
# implementar...
def search_words_that_match(criterion):
''' Look for words in the dictionary that match with the given
pattern
@param criterion: the pattern
@param dict: the dictionary
@return: the list of words that matched
'''
#implementar...
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