Source Code for Module lib.list

 1  ############################################################################### 
 2  #                                                                             # 
 3  # Copyright (C) 2013 Edward d'Auvergne                                        # 
 4  #                                                                             # 
 5  # This file is part of the program relax (http://www.nmr-relax.com).          # 
 6  #                                                                             # 
 7  # This program is free software: you can redistribute it and/or modify        # 
 8  # it under the terms of the GNU General Public License as published by        # 
 9  # the Free Software Foundation, either version 3 of the License, or           # 
10  # (at your option) any later version.                                         # 
11  #                                                                             # 
12  # This program is distributed in the hope that it will be useful,             # 
13  # but WITHOUT ANY WARRANTY; without even the implied warranty of              # 
14  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               # 
15  # GNU General Public License for more details.                                # 
16  #                                                                             # 
17  # You should have received a copy of the GNU General Public License           # 
18  # along with this program.  If not, see <http://www.gnu.org/licenses/>.       # 
19  #                                                                             # 
20  ############################################################################### 
21   
22  # Module docstring. 
23  """Module for handling Python lists.""" 
24   
25   
26 -def count_unique_elements(values=None): 
27      """Count the number of unique instances in the given list. 
28   
29      @keyword values:    The original list. 
30      @type values:       list 
31      @return:            The number of unique instances. 
32      @rtype:             int 
33      """ 
34   
35      # Create a new list. 
36      new_list = unique_elements(values=values) 
37   
38      # The number. 
39      return len(new_list) 
40   
41   
42 -def unique_elements(values=None): 
43      """Return a new list with duplicates removed. 
44   
45      @keyword values:    The original list. 
46      @type values:       list 
47      @return:            The new list with duplicates removed. 
48      @rtype:             list 
49      """ 
50   
51      # Create a new list. 
52      new_list = [] 
53      for i in values: 
54          if i not in new_list: 
55              new_list.append(i) 
56   
57      # Return the new list. 
58      return new_list 
59