Source Code for Module check_types

 1  ############################################################################### 
 2  #                                                                             # 
 3  # Copyright (C) 2012 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  """Special module for checking types.""" 
24   
25  # Python module imports. 
26  io_module = True 
27  try: 
28      from io import IOBase    # Python 2.5+ import. 
29      file = None 
30  except ImportError: 
31      io_module = False 
32   
33   
34 -def is_filetype(obj): 
35      """Check if the given Python object is a file. 
36   
37      @param obj:     The Python object. 
38      @type obj:      anything 
39      @return:        True if the object is a file, False otherwise. 
40      @rtype:         bool 
41      """ 
42   
43      # New style check. 
44      if io_module: 
45          return isinstance(obj, IOBase) 
46   
47      # Old style check. 
48      else: 
49          return isinstance(obj, file) 
50   
51   
52 -def is_unicode(obj): 
53      """Check if the given Python object is a unicode string. 
54   
55      @param obj:     The Python object. 
56      @type obj:      anything 
57      @return:        True if the object is a unicode string, False otherwise. 
58      @rtype:         bool 
59      """ 
60   
61      # Check using the unicode type (set in the compat module for Python 3). 
62      return isinstance(obj, unicode) 
63