text: #!/usr/bin/env python
  # 
  # Copyright (c) 2011, Willow Garage, Inc.
  # All rights reserved.
  # 
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are met:
  #     * Redistributions of source code must retain the above copyright
  #       notice, this list of conditions and the following disclaimer.
  #     * Redistributions in binary form must reproduce the above copyright
  #       notice, this list of conditions and the following disclaimer in the
  #       documentation and/or other materials provided with the distribution.
  #     * Neither the name of the Willow Garage, Inc. nor the names of its
  #       contributors may be used to endorse or promote products derived from
  #       this software without specific prior written permission.
  # 
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  # 
  
  import ecto
  import os
  import pkgutil
  
  usage = """ Prints the doc strings for a given ecto module.
  
  ecto_doc.py [my_ecto_module]
  
  where my_ecto_module is in the PYTHONPATH and is a ecto extension.
  """
  if __name__ == '__main__':
      if len(os.sys.argv) == 2:
          module = os.sys.argv[1]
          m = __import__(module)
          ms = [(module,m)]
          for loader, module_name, is_pkg in  pkgutil.walk_packages(m.__path__):
              #print loader,module_name,is_pkg
              module = loader.find_module(module_name).load_module(module_name)
              ms.append((module_name,module))
          
          ecto_cells = []
          for module_name,x in ms:
              print "..",module_name +'\n'
              ecto_cells += ecto.list_ecto_module(x)
          #print ecto_cells
          
      else :
          print usage
  
  