parameters: (self, node, results)
docstring: Transform for imports of specific module elements. Replaces
             the module to be imported from with the appropriate new
             module.
docstring_summary: Transform for imports of specific module elements. Replaces
             the module to be imported from with the appropriate new
             module.
docstring_tokens: Transform for imports of specific module elements . Replaces the module to be imported from with the appropriate new module .
function: def transform_member(self, node, results):
          """Transform for imports of specific module elements. Replaces
             the module to be imported from with the appropriate new
             module.
          """
          mod_member = results.get("mod_member")
          pref = mod_member.prefix
          member = results.get("member")
  
          # Simple case with only a single member being imported
          if member:
              # this may be a list of length one, or just a node
              if isinstance(member, list):
                  member = member[0]
              new_name = None
              for change in MAPPING[mod_member.value]:
                  if member.value in change[1]:
                      new_name = change[0]
                      break
              if new_name:
                  mod_member.replace(Name(new_name, prefix=pref))
              else:
                  self.cannot_convert(node, "This is an invalid module element")
  
          # Multiple members being imported
          else:
              # a dictionary for replacements, order matters
              modules = []
              mod_dict = {}
              members = results["members"]
              for member in members:
                  # we only care about the actual members
                  if member.type == syms.import_as_name:
                      as_name = member.children[2].value
                      member_name = member.children[0].value
                  else:
                      member_name = member.value
                      as_name = None
                  if member_name != u",":
                      for change in MAPPING[mod_member.value]:
                          if member_name in change[1]:
                              if change[0] not in mod_dict:
                                  modules.append(change[0])
                              mod_dict.setdefault(change[0], []).append(member)
  
              new_nodes = []
              indentation = find_indentation(node)
              first = True
              def handle_name(name, prefix):
                  if name.type == syms.import_as_name:
                      kids = [Name(name.children[0].value, prefix=prefix),
                              name.children[1].clone(),
                              name.children[2].clone()]
                      return [Node(syms.import_as_name, kids)]
                  return [Name(name.value, prefix=prefix)]
              for module in modules:
                  elts = mod_dict[module]
                  names = []
                  for elt in elts[:-1]:
                      names.extend(handle_name(elt, pref))
                      names.append(Comma())
                  names.extend(handle_name(elts[-1], pref))
                  new = FromImport(module, names)
                  if not first or node.parent.prefix.endswith(indentation):
                      new.prefix = indentation
                  new_nodes.append(new)
                  first = False
              if new_nodes:
                  nodes = []
                  for new_node in new_nodes[:-1]:
                      nodes.extend([new_node, Newline()])
                  nodes.append(new_nodes[-1])
                  node.replace(nodes)
              else:
                  self.cannot_convert(node, "All module elements are invalid")
function_tokens: def transform_member ( self , node , results ) : mod_member = results . get ( "mod_member" ) pref = mod_member . prefix member = results . get ( "member" ) # Simple case with only a single member being imported if member : # this may be a list of length one, or just a node if isinstance ( member , list ) : member = member [ 0 ] new_name = None for change in MAPPING [ mod_member . value ] : if member . value in change [ 1 ] : new_name = change [ 0 ] break if new_name : mod_member . replace ( Name ( new_name , prefix = pref ) ) else : self . cannot_convert ( node , "This is an invalid module element" ) # Multiple members being imported else : # a dictionary for replacements, order matters modules = [ ] mod_dict = { } members = results [ "members" ] for member in members : # we only care about the actual members if member . type == syms . import_as_name : as_name = member . children [ 2 ] . value member_name = member . children [ 0 ] . value else : member_name = member . value as_name = None if member_name != u"," : for change in MAPPING [ mod_member . value ] : if member_name in change [ 1 ] : if change [ 0 ] not in mod_dict : modules . append ( change [ 0 ] ) mod_dict . setdefault ( change [ 0 ] , [ ] ) . append ( member ) new_nodes = [ ] indentation = find_indentation ( node ) first = True def handle_name ( name , prefix ) : if name . type == syms . import_as_name : kids = [ Name ( name . children [ 0 ] . value , prefix = prefix ) , name . children [ 1 ] . clone ( ) , name . children [ 2 ] . clone ( ) ] return [ Node ( syms . import_as_name , kids ) ] return [ Name ( name . value , prefix = prefix ) ] for module in modules : elts = mod_dict [ module ] names = [ ] for elt in elts [ : - 1 ] : names . extend ( handle_name ( elt , pref ) ) names . append ( Comma ( ) ) names . extend ( handle_name ( elts [ - 1 ] , pref ) ) new = FromImport ( module , names ) if not first or node . parent . prefix . endswith ( indentation ) : new . prefix = indentation new_nodes . append ( new ) first = False if new_nodes : nodes = [ ] for new_node in new_nodes [ : - 1 ] : nodes . extend ( [ new_node , Newline ( ) ] ) nodes . append ( new_nodes [ - 1 ] ) node . replace ( nodes ) else : self . cannot_convert ( node , "All module elements are invalid" )