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diff --git a/lib/python2.7/lib2to3/fixes/fix_print.py b/lib/python2.7/lib2to3/fixes/fix_print.py
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+# Copyright 2006 Google, Inc. All Rights Reserved.
+# Licensed to PSF under a Contributor Agreement.
+
+"""Fixer for print.
+
+Change:
+ 'print' into 'print()'
+ 'print ...' into 'print(...)'
+ 'print ... ,' into 'print(..., end=" ")'
+ 'print >>x, ...' into 'print(..., file=x)'
+
+No changes are applied if print_function is imported from __future__
+
+"""
+
+# Local imports
+from .. import patcomp
+from .. import pytree
+from ..pgen2 import token
+from .. import fixer_base
+from ..fixer_util import Name, Call, Comma, String, is_tuple
+
+
+parend_expr = patcomp.compile_pattern(
+ """atom< '(' [atom|STRING|NAME] ')' >"""
+ )
+
+
+class FixPrint(fixer_base.BaseFix):
+
+ BM_compatible = True
+
+ PATTERN = """
+ simple_stmt< any* bare='print' any* > | print_stmt
+ """
+
+ def transform(self, node, results):
+ assert results
+
+ bare_print = results.get("bare")
+
+ if bare_print:
+ # Special-case print all by itself
+ bare_print.replace(Call(Name(u"print"), [],
+ prefix=bare_print.prefix))
+ return
+ assert node.children[0] == Name(u"print")
+ args = node.children[1:]
+ if len(args) == 1 and parend_expr.match(args[0]):
+ # We don't want to keep sticking parens around an
+ # already-parenthesised expression.
+ return
+
+ sep = end = file = None
+ if args and args[-1] == Comma():
+ args = args[:-1]
+ end = " "
+ if args and args[0] == pytree.Leaf(token.RIGHTSHIFT, u">>"):
+ assert len(args) >= 2
+ file = args[1].clone()
+ args = args[3:] # Strip a possible comma after the file expression
+ # Now synthesize a print(args, sep=..., end=..., file=...) node.
+ l_args = [arg.clone() for arg in args]
+ if l_args:
+ l_args[0].prefix = u""
+ if sep is not None or end is not None or file is not None:
+ if sep is not None:
+ self.add_kwarg(l_args, u"sep", String(repr(sep)))
+ if end is not None:
+ self.add_kwarg(l_args, u"end", String(repr(end)))
+ if file is not None:
+ self.add_kwarg(l_args, u"file", file)
+ n_stmt = Call(Name(u"print"), l_args)
+ n_stmt.prefix = node.prefix
+ return n_stmt
+
+ def add_kwarg(self, l_nodes, s_kwd, n_expr):
+ # XXX All this prefix-setting may lose comments (though rarely)
+ n_expr.prefix = u""
+ n_argument = pytree.Node(self.syms.argument,
+ (Name(s_kwd),
+ pytree.Leaf(token.EQUAL, u"="),
+ n_expr))
+ if l_nodes:
+ l_nodes.append(Comma())
+ n_argument.prefix = u" "
+ l_nodes.append(n_argument)