Source Code for Package mvpa

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 4  # 
 5  #   See COPYING file distributed along with the PyMVPA package for the 
 6  #   copyright and license terms. 
 7  # 
 8  ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ## 
 9  """MultiVariate Pattern Analysis 
10   
11   
12  Package Organization 
13  ==================== 
14  The mvpa package contains the following subpackages and modules: 
15   
16  .. packagetree:: 
17     :style: UML 
18   
19  :group Algorithms: algorithms 
20  :group Anatomical Atlases: atlases 
21  :group Basic Data Structures: datasets 
22  :group Classifiers (supervised learners): clfs 
23  :group Feature Selections: featsel 
24  :group Mappers (usually unsupervised learners): mappers 
25  :group Measures: measures 
26  :group Miscellaneous: base misc support 
27  :group Unittests: tests 
28   
29  :author: `Michael Hanke <michael.hanke@gmail.com>`__, 
30           `Yaroslav Halchenko <debian@onerussian.com>`__, 
31           `Per B. Sederberg <persed@princeton.edu>`__ 
32  :requires: Python 2.4+ 
33  :version: 0.4.1 
34  :see: `The PyMVPA webpage <http://www.pymvpa.org>`__ 
35  :see: `GIT Repository Browser <http://git.debian.org/?p=pkg-exppsy/pymvpa.git;a=summary>`__ 
36   
37  :license: The MIT License <http://www.opensource.org/licenses/mit-license.php> 
38  :copyright: |copy| 2006-2009 Michael Hanke <michael.hanke@gmail.com> 
39  :copyright: |copy| 2007-2009 Yaroslav O. Halchenko <debian@onerussian.com> 
40   
41  :newfield contributor: Contributor, Contributors (Alphabetical Order) 
42  :contributor: `Emanuele Olivetti <emanuele@relativita.com>`__ 
43  :contributor: `Per B. Sederberg <persed@princeton.edu>`__ 
44   
45  .. |copy| unicode:: 0xA9 .. copyright sign 
46  """ 
47   
48  # PyMVPA version string 
49  pymvpa_version = '0.4.1' 
50  __version__ = pymvpa_version 
51   
52  __docformat__ = 'restructuredtext' 
53   
54  import os 
55  import random 
56  import numpy as N 
57  from mvpa.base import cfg 
58   
59  # locate data root -- data might not be installed, but if it is, it should be at 
60  # this location 
61  pymvpa_dataroot = os.path.join(os.path.dirname(__file__), 'data') 
62   
63  if not __debug__: 
64      try: 
65          import psyco 
66          psyco.profile() 
67      except ImportError: 
68          from mvpa.base import verbose 
69          verbose(2, "Psyco online compilation is not enabled") 
70  else: 
71      # Controllable seeding of random number generator 
72      from mvpa.base import debug 
73   
74      debug('INIT', 'mvpa') 
75   
76  if cfg.has_option('general', 'seed'): 
77      _random_seed = cfg.getint('general', 'seed') 
78  else: 
79      _random_seed = int(N.random.uniform()*(2**31-1)) 
80   
81 -def seed(random_seed): 
82      """Uniform and combined seeding of all relevant random number 
83      generators. 
84      """ 
85      N.random.seed(random_seed) 
86      random.seed(random_seed) 
87   
88  seed(_random_seed) 
89   
90  # import the main unittest interface 
91  from mvpa.tests import run as test 
92   
93  if __debug__: 
94      debug('RANDOM', 'Seeding RNG with %d' % _random_seed) 
95      debug('INIT', 'mvpa end') 
96