# Copyright 2007 Google, Inc. All Rights Reserved. # Licensed to PSF under a Contributor Agreement. """Fixer for removing uses of the types module. These work for only the known names in the types module. The forms above can include types. or not. ie, It is assumed the module is imported either as: import types from types import ... # either * or specific types The import statements are not modified. There should be another fixer that handles at least the following constants: type([]) -> list type(()) -> tuple type('') -> str """ # Local imports from .. import fixer_base from ..fixer_util import Name _TYPE_MAPPING = { 'BooleanType' : 'bool', 'BufferType' : 'memoryview', 'ClassType' : 'type', 'ComplexType' : 'complex', 'DictType': 'dict', 'DictionaryType' : 'dict', 'EllipsisType' : 'type(Ellipsis)', #'FileType' : 'io.IOBase', 'FloatType': 'float', 'IntType': 'int', 'ListType': 'list', 'LongType': 'int', 'ObjectType' : 'object', 'NoneType': 'type(None)', 'NotImplementedType' : 'type(NotImplemented)', 'SliceType' : 'slice', 'StringType': 'bytes', # XXX ? 'StringTypes' : '(str,)', # XXX ? 'TupleType': 'tuple', 'TypeType' : 'type', 'UnicodeType': 'str', 'XRangeType' : 'range', } _pats = ["power< 'types' trailer< '.' name='%s' > >" % t for t in _TYPE_MAPPING] class FixTypes(fixer_base.BaseFix): BM_compatible = True PATTERN = '|'.join(_pats) def transform(self, node, results): new_value = _TYPE_MAPPING.get(results["name"].value) if new_value: return Name(new_value, prefix=node.prefix) return None