Remove 2to3's fix_callable... We reintroduced the callable built-in

pretty early on in the 3.x series (3.1 or 3.2?).

Lib/lib2to3/fixes/fix_callable.py

-# 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, 'collections', node=node)
-
-        args = [func.clone(), String(', ')]
-        args.extend(Attr(Name('collections'), Name('Callable')))
-        return Call(Name('isinstance'), args, prefix=node.prefix)

Lib/lib2to3/tests/test_fixers.py

@@ -2919,98 +2919,6 @@ class Test_unicode(FixerTestCase):
         a = f + r"""r'\\\u20ac\U0001d121\\u20ac'"""
         self.check(b, a)
 
-class Test_callable(FixerTestCase):
-    fixer = "callable"
-
-    def test_prefix_preservation(self):
-        b = """callable(    x)"""
-        a = """import collections\nisinstance(    x, collections.Callable)"""
-        self.check(b, a)
-
-        b = """if     callable(x): pass"""
-        a = """import collections
-if     isinstance(x, collections.Callable): pass"""
-        self.check(b, a)
-
-    def test_callable_call(self):
-        b = """callable(x)"""
-        a = """import collections\nisinstance(x, collections.Callable)"""
-        self.check(b, a)
-
-    def test_global_import(self):
-        b = """
-def spam(foo):
-    callable(foo)"""[1:]
-        a = """
-import collections
-def spam(foo):
-    isinstance(foo, collections.Callable)"""[1:]
-        self.check(b, a)
-
-        b = """
-import collections
-def spam(foo):
-    callable(foo)"""[1:]
-        # same output if it was already imported
-        self.check(b, a)
-
-        b = """
-from collections import *
-def spam(foo):
-    callable(foo)"""[1:]
-        a = """
-from collections import *
-import collections
-def spam(foo):
-    isinstance(foo, collections.Callable)"""[1:]
-        self.check(b, a)
-
-        b = """
-do_stuff()
-do_some_other_stuff()
-assert callable(do_stuff)"""[1:]
-        a = """
-import collections
-do_stuff()
-do_some_other_stuff()
-assert isinstance(do_stuff, collections.Callable)"""[1:]
-        self.check(b, a)
-
-        b = """
-if isinstance(do_stuff, Callable):
-    assert callable(do_stuff)
-    do_stuff(do_stuff)
-    if not callable(do_stuff):
-        exit(1)
-    else:
-        assert callable(do_stuff)
-else:
-    assert not callable(do_stuff)"""[1:]
-        a = """
-import collections
-if isinstance(do_stuff, Callable):
-    assert isinstance(do_stuff, collections.Callable)
-    do_stuff(do_stuff)
-    if not isinstance(do_stuff, collections.Callable):
-        exit(1)
-    else:
-        assert isinstance(do_stuff, collections.Callable)
-else:
-    assert not isinstance(do_stuff, collections.Callable)"""[1:]
-        self.check(b, a)
-
-    def test_callable_should_not_change(self):
-        a = """callable(*x)"""
-        self.unchanged(a)
-
-        a = """callable(x, y)"""
-        self.unchanged(a)
-
-        a = """callable(x, kw=y)"""
-        self.unchanged(a)
-
-        a = """callable()"""
-        self.unchanged(a)
 
 class Test_filter(FixerTestCase):
     fixer = "filter"