Index: Doc/library/2to3.rst
===================================================================
--- Doc/library/2to3.rst	(revision 78510)
+++ Doc/library/2to3.rst	(working copy)
@@ -135,6 +135,10 @@
    :meth:`dict.values`.  It also wraps existing usages of :meth:`dict.items`,
    :meth:`dict.keys`, and :meth:`dict.values` in a call to :class:`list`.
 
+.. 2to3fixer:: file
+
+   Converts :class:`file` to :func:`open`.
+
 .. 2to3fixer:: except
 
    Converts ``except X, T`` to ``except X as T``.
Index: Lib/lib2to3/tests/test_fixers.py
===================================================================
--- Lib/lib2to3/tests/test_fixers.py	(revision 78510)
+++ Lib/lib2to3/tests/test_fixers.py	(working copy)
@@ -4285,3 +4285,12 @@
     def test_bare_sequenceIncludes(self):
         s = "sequenceIncludes(x, y)"
         self.warns_unchanged(s, "You should use operator.contains here.")
+
+
+class Test_file(FixerTestCase):
+    fixer = 'file'
+
+    def test_file(self):
+        b = 'file(filename)'
+        a = 'open(filename)'
+        self.check(b, a)
Index: Lib/lib2to3/fixes/fix_file.py
===================================================================
--- Lib/lib2to3/fixes/fix_file.py	(revision 0)
+++ Lib/lib2to3/fixes/fix_file.py	(revision 0)
@@ -0,0 +1,14 @@
+"""Fixer for replacing builtin file(...) -> open(...)"""
+
+#from lib2to3 import fixer_base
+#from lib2to3.fixer_util import Name, touch_import
+from .. import fixer_base
+from ..fixer_util import Name
+
+
+class FixFile(fixer_base.BaseFix):
+    PATTERN = "power< name='file' trailer< '(' [any] ')' > any* >"
+
+    def transform(self, node, results):
+        name = results['name']
+        name.replace(Name('open', prefix=name.prefix))

Property changes on: Lib/lib2to3/fixes/fix_file.py
___________________________________________________________________
Added: svn:keywords
   + Id
Added: svn:eol-style
   + native