Index: Lib/lib2to3/tests/test_fixers.py
===================================================================
--- Lib/lib2to3/tests/test_fixers.py	(revision 76143)
+++ Lib/lib2to3/tests/test_fixers.py	(working copy)
@@ -1134,36 +1134,36 @@
 
 def test_conversion(self):
 b = """execfile("fn")"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'))"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'))"""
 self.check(b, a)
 
 b = """execfile("fn", glob)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), glob)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), glob)"""
 self.check(b, a)
 
 b = """execfile("fn", glob, loc)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), glob, loc)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), glob, loc)"""
 self.check(b, a)
 
 b = """execfile("fn", globals=glob)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), globals=glob)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), globals=glob)"""
 self.check(b, a)
 
 b = """execfile("fn", locals=loc)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), locals=loc)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), locals=loc)"""
 self.check(b, a)
 
 b = """execfile("fn", globals=glob, locals=loc)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), globals=glob, locals=loc)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), globals=glob, locals=loc)"""
 self.check(b, a)
 
 def test_spacing(self):
 b = """execfile( "fn" )"""
- a = """exec(compile(open( "fn" ).read(), "fn", 'exec'))"""
+ a = """exec(compile(open( "fn" ).read()+'\n', "fn", 'exec'))"""
 self.check(b, a)
 
 b = """execfile("fn", globals = glob)"""
- a = """exec(compile(open("fn").read(), "fn", 'exec'), globals = glob)"""
+ a = """exec(compile(open("fn").read()+'\n', "fn", 'exec'), globals = glob)"""
 self.check(b, a)
 
 
Index: Lib/lib2to3/fixes/fix_execfile.py
===================================================================
--- Lib/lib2to3/fixes/fix_execfile.py	(revision 76143)
+++ Lib/lib2to3/fixes/fix_execfile.py	(working copy)
@@ -8,8 +8,8 @@
 """
 
 from .. import fixer_base
-from ..fixer_util import (Comma, Name, Call, LParen, RParen, Dot, Node,
- ArgList, String, syms)
+from ..fixer_util import (Comma, Name, Call, LParen, RParen, Dot, Node, Leaf,
+ ArgList, String, syms, token)
 
 
 class FixExecfile(fixer_base.BaseFix):
@@ -29,18 +29,22 @@
 # Copy over the prefix from the right parentheses end of the execfile
 # call.
 execfile_paren = node.children[-1].children[-1].clone()
- # Construct open().read().
+ # Construct open().read() + '\n'.
 open_args = ArgList([filename.clone()], rparen=execfile_paren)
 open_call = Node(syms.power, [Name(u"open"), open_args])
 read = [Node(syms.trailer, [Dot(), Name(u'read')]),
 Node(syms.trailer, [LParen(), RParen()])]
 open_expr = [open_call] + read
+ open_plus_newline = [Node(syms.arith_expr,
+ [Node(syms.power, open_expr),
+ Leaf(token.PLUS, u"+"),
+ String(repr("\n"))])]
 # Wrap the open call in a compile call. This is so the filename will be
 # preserved in the execed code.
 filename_arg = filename.clone()
 filename_arg.prefix = u" "
 exec_str = String(u"'exec'", u" ")
- compile_args = open_expr + [Comma(), filename_arg, Comma(), exec_str]
+ compile_args = open_plus_newline + [Comma(), filename_arg, Comma(), exec_str]
 compile_call = Call(Name(u"compile"), compile_args, u"")
 # Finally, replace the execfile call with an exec call.
 args = [compile_call]
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