+++ /dev/null
-# Copyright 2007 Google, Inc. All Rights Reserved.
-# Licensed to PSF under a Contributor Agreement.
-
-"""Fixer for callable().
-
-This converts callable(obj) into isinstance(obj, collections.Callable), adding a
-collections import if needed."""
-
-# Local imports
-from lib2to3 import fixer_base
-from lib2to3.fixer_util import Call, Name, String, Attr, touch_import
-
-class FixCallable(fixer_base.BaseFix):
- BM_compatible = True
-
- order = "pre"
-
- # Ignore callable(*args) or use of keywords.
- # Either could be a hint that the builtin callable() is not being used.
- PATTERN = """
- power< 'callable'
- trailer< lpar='('
- ( not(arglist | argument<any '=' any>) func=any
- | func=arglist<(not argument<any '=' any>) any ','> )
- rpar=')' >
- after=any*
- >
- """
-
- def transform(self, node, results):
- func = results['func']
-
- touch_import(None, u'collections', node=node)
-
- args = [func.clone(), String(u', ')]
- args.extend(Attr(Name(u'collections'), Name(u'Callable')))
- return Call(Name(u'isinstance'), args, prefix=node.prefix)