text: #   Copyright (c) 2008-2013 Szczepan Faber, Serhiy Oplakanets, Herr Kaste
  #
  #   Permission is hereby granted, free of charge, to any person obtaining a copy
  #   of this software and associated documentation files (the "Software"), to deal
  #   in the Software without restriction, including without limitation the rights
  #   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #   copies of the Software, and to permit persons to whom the Software is
  #   furnished to do so, subject to the following conditions:
  #
  #   The above copyright notice and this permission notice shall be included in
  #   all copies or substantial portions of the Software.
  #
  #   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  #   THE SOFTWARE.
  
  from unittest import TestLoader as BaseTestLoader, TestSuite
  import sys
  
  class TestLoader(BaseTestLoader):
    def loadTestsFromName(self, name, module=None):
      suite = TestSuite()
      for test in findTests(name):
        sys.path.insert(0, name) # python3 compatibility
        suite.addTests(super(TestLoader, self).loadTestsFromName(test))
        del sys.path[0] # python3 compatibility
      return suite
  
    def loadTestsFromNames(self, names, module=None):
      suite = TestSuite()
      for name in names:
        suite.addTests(self.loadTestsFromName(name))
      return suite
  
  def findTests(dir):
    import os, re
    pattern = re.compile('([a-z]+_)+test\.py$')
    for fileName in os.listdir(dir):
      if pattern.match(fileName):
        yield os.path.join(dir, fileName).replace('.py', '').replace(os.sep, '.')
  
  __all__ = [TestLoader]
  
  