code: def module_attribute(dotpath, default=None, safe=False):
      '''Load an attribute from a module.
  
      If the module or the attribute is not available, return the default
      argument if *safe* is `True`.
      '''
      if dotpath:
          bits = str(dotpath).split(':')
          try:
              if len(bits) == 2:
                  attr = bits[1]
                  module_name = bits[0]
              else:
                  bits = bits[0].split('.')
                  if len(bits) > 1:
                      attr = bits[-1]
                      module_name = '.'.join(bits[:-1])
                  else:
                      raise ValueError('Could not find attribute in %s'
                                       % dotpath)
  
              module = import_module(module_name)
              return getattr(module, attr)
          except Exception:
              if not safe:
                  raise
              return default
      else:
          if not safe:
              raise ImportError
          return defaulf module_attribute(dotpath, default=None, safe=False):
      '''Load an attribute from a module.
  
      If the module or the attribute is not available, return the default
      argument if *safe* is `True`.
      '''
      if dotpath:
          bits = str(dotpath).split(':')
          try:
              if len(bits) == 2:
                  attr = bits[1]
                  module_name = bits[0]
              else:
                  bits = bits[0].split('.')
                  if len(bits) > 1:
                      attr = bits[-1]
                      module_name = '.'.join(bits[:-1])
                  else:
                      raise ValueError('Could not find attribute in %s'
                                       % dotpath)
  
              module = import_module(module_name)
              return getattr(module, attr)
          except Exception:
              if not safe:
                  raise
              return default
      else:
          if not safe:
              raise ImportError
          return default
docs: Load an attribute from a module.
  
      If the module or the attribute is not available, return the default
      argument if *safe* is `True`.