diff --git a/Demo/scripts/newslist.py b/Demo/scripts/newslist.py
index 7038380..3d65a08 100755
--- a/Demo/scripts/newslist.py
+++ b/Demo/scripts/newslist.py
@@ -99,7 +99,7 @@
     rcfile = os.path.join(dir, '.newslistrc.py')
     if os.path.exists(rcfile):
         print(rcfile)
-        execfile(rcfile)
+        exec(open(rcfile).read())
         break
 
 from nntplib import NNTP
diff --git a/Demo/scripts/pp.py b/Demo/scripts/pp.py
index 486986a..9010b7a 100755
--- a/Demo/scripts/pp.py
+++ b/Demo/scripts/pp.py
@@ -123,8 +123,9 @@
 fp = tempfile.NamedTemporaryFile()
 fp.write(program)
 fp.flush()
+script = open(tfn).read()
 if DFLAG:
     import pdb
-    pdb.run('execfile(%r)' % (tfn,))
+    pdb.run(script)
 else:
-    execfile(tfn)
+    exec(script)
diff --git a/Doc/dist/dist.tex b/Doc/dist/dist.tex
index ff5106a..a33227f 100644
--- a/Doc/dist/dist.tex
+++ b/Doc/dist/dist.tex
@@ -2290,7 +2290,7 @@
 (passed as keyword args from \var{script} to \function{setup()}), or 
 the contents of the config files or command-line.
 
-\var{script_name} is a file that will be run with \function{execfile()}
+\var{script_name} is a file that will be read and run with \function{exec()}
 \code{sys.argv[0]} will be replaced with \var{script} for the duration of the
 call.  \var{script_args} is a list of strings; if supplied,
 \code{sys.argv[1:]} will be replaced by \var{script_args} for the duration 
diff --git a/Doc/howto/doanddont.tex b/Doc/howto/doanddont.tex
index 0cd5d91..b54f069 100644
--- a/Doc/howto/doanddont.tex
+++ b/Doc/howto/doanddont.tex
@@ -81,7 +81,7 @@
 
 \end{itemize}
 
-\subsection{Unadorned \function{exec}, \function{execfile} and friends}
+\subsection{Unadorned \function{exec} and friends}
 
 The word ``unadorned'' refers to the use without an explicit dictionary,
 in which case those constructs evaluate code in the {\em current} environment.
@@ -97,7 +97,7 @@
 >>> def func(s, **kw):
 >>>     for var, val in kw.items():
 >>>         exec("s.%s=val" % var)  # invalid!
->>> execfile("handler.py")
+>>> exec(open("handler.py").read())
 >>> handle()
 \end{verbatim}
 
@@ -111,7 +111,7 @@
 >>>     for var, val in kw.items():
 >>>         setattr(s, var, val)
 >>> d={}
->>> execfile("handle.py", d, d)
+>>> exec(open("handler.py").read(), d, d)
 >>> handle = d['handle']
 >>> handle()
 \end{verbatim}
diff --git a/Doc/lib/libdoctest.tex b/Doc/lib/libdoctest.tex
index 5e28c2a..9143b84 100644
--- a/Doc/lib/libdoctest.tex
+++ b/Doc/lib/libdoctest.tex
@@ -1828,7 +1828,7 @@
   via \function{\refmodule{pdb}.post_mortem()}, passing the traceback object
   from the unhandled exception.  If \var{pm} is not specified, or is false,
   the script is run under the debugger from the start, via passing an
-  appropriate \function{execfile()} call to \function{\refmodule{pdb}.run()}.
+  appropriate \function{exec()} call to \function{\refmodule{pdb}.run()}.
 
   \versionadded{2.3}
 
diff --git a/Doc/lib/libexcs.tex b/Doc/lib/libexcs.tex
index 298f04d..74531d3 100644
--- a/Doc/lib/libexcs.tex
+++ b/Doc/lib/libexcs.tex
@@ -260,7 +260,7 @@
 % XXXJH xref to these functions?
   Raised when the parser encounters a syntax error.  This may occur in
   an \keyword{import} statement, in a call to the built-in functions
-  \function{exec()}, \function{execfile()}, \function{eval()} or
+  \function{exec()}, \function{eval()} or
   \function{input()}, or when reading the initial script or standard
   input (also interactively).
 
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 3cc06c8..0b99c3f 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -382,15 +382,13 @@
   compiled passing \code{'eval'} as the \var{kind} argument.
 
   Hints: dynamic execution of statements is supported by the
-  \function{exec()} function.  Execution of statements from a file is
-  supported by the \function{execfile()} function.  The
+  \function{exec()} function.  The
   \function{globals()} and \function{locals()} functions returns the
   current global and local dictionary, respectively, which may be
   useful to pass around for use by \function{eval()} or
-  \function{execfile()}.
+  \function{exec()}.
 \end{funcdesc}
 
-
 \begin{funcdesc}{exec}{object\optional{, globals\optional{, locals}}}
   This function supports dynamic execution of Python code.
   \var{object} must be either a string, an open file object, or
@@ -425,31 +423,6 @@
 	argument to \function{exec()}.}
 \end{funcdesc}
 
-\begin{funcdesc}{execfile}{filename\optional{, globals\optional{, locals}}}
-  This function is similar to the \function{exec()} function, but parses a
-  file given by the file name instead of a string.  It
-  is different from the \keyword{import} statement in that it does not
-  use the module administration --- it reads the file unconditionally
-  and does not create a new module.
-
-  The arguments are a file name and two optional dictionaries.  The file is
-  parsed and evaluated as a sequence of Python statements (similarly to a
-  module) using the \var{globals} and \var{locals} dictionaries as global and
-  local namespace. If provided, \var{locals} can be any mapping object.
-  \versionchanged[formerly \var{locals} was required to be a dictionary]{2.4}
-  If the \var{locals} dictionary is omitted it defaults to the \var{globals}
-  dictionary. If both dictionaries are omitted, the expression is executed in
-  the environment where \function{execfile()} is called.  The return value is
-  \code{None}.
-
-  \warning{The default \var{locals} act as described for function
-  \function{locals()} below:  modifications to the default \var{locals}
-  dictionary should not be attempted.  Pass an explicit \var{locals}
-  dictionary if you need to see effects of the code on \var{locals} after
-  function \function{execfile()} returns.  \function{execfile()} cannot
-  be used reliably to modify a function's locals.}
-\end{funcdesc}
-
 \begin{funcdesc}{file}{filename\optional{, mode\optional{, bufsize}}}
   Constructor function for the \class{file} type, described further 
   in section~\ref{bltin-file-objects}, ``\ulink{File
diff --git a/Doc/lib/libuser.tex b/Doc/lib/libuser.tex
index 4e915a2..6dd1546 100644
--- a/Doc/lib/libuser.tex
+++ b/Doc/lib/libuser.tex
@@ -24,7 +24,7 @@
 
 The \module{user} module looks for a file \file{.pythonrc.py} in the user's
 home directory and if it can be opened, executes it (using
-\function{execfile()}\bifuncindex{execfile}) in its own (the
+\function{exec()}\bifuncindex{exec}) in its own (the
 module \module{user}'s) global namespace.  Errors during this phase
 are not caught; that's up to the program that imports the
 \module{user} module, if it wishes.  The home directory is assumed to
diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
index 9ae8bfa..6ec60f8 100644
--- a/Doc/ref/ref4.tex
+++ b/Doc/ref/ref4.tex
@@ -19,8 +19,7 @@
 interpreter or specified on the interpreter command line the first
 argument) is a code block.  A script command (a command specified on
 the interpreter command line with the `\strong{-c}' option) is a code
-block.  The file read by the built-in function \function{execfile()}
-is a code block.  The string argument passed to the built-in functions
+block.  The string argument passed to the built-in functions
 \function{eval()} and \function{exec()} is a code block.
 The expression read and evaluated by the built-in function
 \function{input()} is a code block.
@@ -139,7 +138,7 @@
 function and the function contains or is a nested block with free
 variables, the compiler will raise a \exception{SyntaxError}.
 
-The \function{eval()}, \function{exec()}, \function{execfile()},
+The \function{eval()}, \function{exec()},
 and \function{input()} functions do not have access to the
 full environment for resolving names.  Names may be resolved in the
 local and global namespaces of the caller.  Free variables are not
@@ -147,7 +146,7 @@
 namespace.\footnote{This limitation occurs because the code that is
     executed by these operations is not available at the time the
     module is compiled.}
-The \function{exec()}, \function{eval()} and \function{execfile()}
+The \function{exec()} and \function{eval()}
 functions have optional arguments to override
 the global and local namespace.  If only one namespace is specified,
 it is used for both.
diff --git a/Doc/ref/ref6.tex b/Doc/ref/ref6.tex
index 60e7b02..1139005 100644
--- a/Doc/ref/ref6.tex
+++ b/Doc/ref/ref6.tex
@@ -760,8 +760,8 @@
 That is not a future statement; it's an ordinary import statement with
 no special semantics or syntax restrictions.
 
-Code compiled by calls to the builtin functions \function{exec()},
-\function{compile()} and \function{execfile()} that occur in a module
+Code compiled by calls to the builtin functions \function{exec()} and
+\function{compile()} that occur in a module
 \module{M} containing a future statement will, by default, use the new 
 syntax or semantics associated with the future statement.  This can,
 starting with Python 2.2 be controlled by optional arguments to
@@ -811,9 +811,8 @@
 does not affect the code block \emph{containing} the function call,
 and code contained in such a string is unaffected by \keyword{global}
 statements in the code containing the function call.  The same applies to the
-\function{eval()}, \function{execfile()} and \function{compile()} functions.
+\function{eval()} and \function{compile()} functions.
 \bifuncindex{exec}
 \bifuncindex{eval}
-\bifuncindex{execfile}
 \bifuncindex{compile}
 
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index 74468b1..b39cd47 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -409,14 +409,14 @@
 If you want to read an additional start-up file from the current
 directory, you can program this in the global start-up file using code
 like \samp{if os.path.isfile('.pythonrc.py'):
-execfile('.pythonrc.py')}.  If you want to use the startup file in a
+exec(open('.pythonrc.py')).read()}.  If you want to use the startup file in a
 script, you must do this explicitly in the script:
 
 \begin{verbatim}
 import os
 filename = os.environ.get('PYTHONSTARTUP')
 if filename and os.path.isfile(filename):
-    execfile(filename)
+    exec(open(filename).read())
 \end{verbatim}
 
 
@@ -2736,14 +2736,14 @@
  '__name__', 'abs', 'basestring', 'bool', 'buffer',
  'chr', 'classmethod', 'cmp', 'compile',
  'complex', 'copyright', 'credits', 'delattr', 'dict', 'dir', 'divmod',
- 'enumerate', 'eval', 'execfile', 'exit', 'file', 'filter', 'float',
+ 'enumerate', 'eval', 'exec', 'exit', 'filter', 'float',
  'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'help', 'hex',
  'id', 'input', 'int', 'isinstance', 'issubclass', 'iter',
- 'len', 'license', 'list', 'locals', 'long', 'map', 'max', 'min',
+ 'len', 'license', 'list', 'locals', 'map', 'max', 'min',
  'object', 'oct', 'open', 'ord', 'pow', 'property', 'quit', 'range',
  'repr', 'reversed', 'round', 'set',
  'setattr', 'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super',
- 'tuple', 'type', 'unichr', 'unicode', 'vars', 'zip']
+ 'tuple', 'type', 'vars', 'zip']
 \end{verbatim}
 
 
@@ -4413,8 +4413,8 @@
 (Buglet: derivation of a class with the same name as the base class
 makes use of private variables of the base class possible.)
 
-Notice that code passed to \code{exec()}, \code{eval()} or
-\code{execfile()} does not consider the classname of the invoking 
+Notice that code passed to \code{exec()} or \code{eval()}
+does not consider the classname of the invoking 
 class to be the current class; this is similar to the effect of the 
 \code{global} statement, the effect of which is likewise restricted to 
 code that is byte-compiled together.  The same restriction applies to
diff --git a/Lib/CGIHTTPServer.py b/Lib/CGIHTTPServer.py
index a2d809c..828b092 100644
--- a/Lib/CGIHTTPServer.py
+++ b/Lib/CGIHTTPServer.py
@@ -316,7 +316,7 @@
                         sys.argv.append(decoded_query)
                     sys.stdout = self.wfile
                     sys.stdin = self.rfile
-                    execfile(scriptfile, {"__name__": "__main__"})
+                    exec(open(scriptfile).read(), {"__name__": "__main__"})
                 finally:
                     sys.argv = save_argv
                     sys.stdin = save_stdin
diff --git a/Lib/cProfile.py b/Lib/cProfile.py
index d10b7ab..ae16277 100755
--- a/Lib/cProfile.py
+++ b/Lib/cProfile.py
@@ -180,7 +180,12 @@
 
     if (len(sys.argv) > 0):
         sys.path.insert(0, os.path.dirname(sys.argv[0]))
-        run('execfile(%r)' % (sys.argv[0],), options.outfile, options.sort)
+        fp = open(sys.argv[0])
+        try:
+            script = fp.read()
+        finally:
+            fp.close()
+        run('exec(%r)' % script, options.outfile, options.sort)
     else:
         parser.print_usage()
     return parser
diff --git a/Lib/distutils/core.py b/Lib/distutils/core.py
index bd9b854..d609982 100644
--- a/Lib/distutils/core.py
+++ b/Lib/distutils/core.py
@@ -179,7 +179,7 @@
     keyword args from 'script' to 'setup()', or the contents of the
     config files or command-line.
 
-    'script_name' is a file that will be run with 'execfile()';
+    'script_name' is a file that will be read and run with 'exec()';
     'sys.argv[0]' will be replaced with 'script' for the duration of the
     call.  'script_args' is a list of strings; if supplied,
     'sys.argv[1:]' will be replaced by 'script_args' for the duration of
@@ -217,7 +217,7 @@
             sys.argv[0] = script_name
             if script_args is not None:
                 sys.argv[1:] = script_args
-            execfile(script_name, g, l)
+            exec(open(script_name).read(), g, l)
         finally:
             sys.argv = save_argv
             _setup_stop_after = None
diff --git a/Lib/doctest.py b/Lib/doctest.py
index 0f40818..ec51657 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -2490,7 +2490,7 @@
 
     # Note that tempfile.NameTemporaryFile() cannot be used.  As the
     # docs say, a file so created cannot be opened by name a second time
-    # on modern Windows boxes, and execfile() needs to open it.
+    # on modern Windows boxes, and exec() needs to open and read it.
     srcfilename = tempfile.mktemp(".py", "doctestdebug")
     f = open(srcfilename, 'w')
     f.write(src)
@@ -2504,14 +2504,17 @@
 
         if pm:
             try:
-                execfile(srcfilename, globs, globs)
+                exec(open(srcfilename).read(), globs, globs)
             except:
                 print(sys.exc_info()[1])
                 pdb.post_mortem(sys.exc_info()[2])
         else:
-            # Note that %r is vital here.  '%s' instead can, e.g., cause
-            # backslashes to get treated as metacharacters on Windows.
-            pdb.run("execfile(%r)" % srcfilename, globs, globs)
+            fp = open(srcfilename)
+            try:
+                script = fp.read()
+            finally:
+                fp.close()
+            pdb.run("exec(%r)" % script, globs, globs)
 
     finally:
         os.remove(srcfilename)
diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
index ef588e8..144be0a 100644
--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
@@ -1688,8 +1688,8 @@
             _default_root = None
     def readprofile(self, baseName, className):
         """Internal function. It reads BASENAME.tcl and CLASSNAME.tcl into
-        the Tcl Interpreter and calls execfile on BASENAME.py and CLASSNAME.py if
-        such a file exists in the home directory."""
+        the Tcl Interpreter and calls exec on the contents of BASENAME.py and
+        CLASSNAME.py if such a file exists in the home directory."""
         import os
         if 'HOME' in os.environ: home = os.environ['HOME']
         else: home = os.curdir
@@ -1702,11 +1702,11 @@
         if os.path.isfile(class_tcl):
             self.tk.call('source', class_tcl)
         if os.path.isfile(class_py):
-            execfile(class_py, dir)
+            exec(open(class_py).read(), dir)
         if os.path.isfile(base_tcl):
             self.tk.call('source', base_tcl)
         if os.path.isfile(base_py):
-            execfile(base_py, dir)
+            exec(open(base_py).read(), dir)
     def report_callback_exception(self, exc, val, tb):
         """Internal function. It reports exception on sys.stderr."""
         import traceback, sys
diff --git a/Lib/optparse.py b/Lib/optparse.py
index 84a6abd..bae1050 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -874,7 +874,7 @@
 
     def read_file(self, filename, mode="careful"):
         vars = {}
-        execfile(filename, vars)
+        exec(open(filename).read(), vars)
         self._update(vars, mode)
 
     def ensure_value(self, attr, value):
diff --git a/Lib/pdb.py b/Lib/pdb.py
index f408bf3..3bbf76b 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1164,7 +1164,12 @@
         self._wait_for_mainpyfile = 1
         self.mainpyfile = self.canonic(filename)
         self._user_requested_quit = 0
-        statement = 'execfile( "%s")' % filename
+        fp = open(filename)
+        try:
+            script = fp.read()
+        finally:
+            fp.close()
+        statement = 'exec("%s")' % script
         self.run(statement)
 
 # Simplified interface
diff --git a/Lib/plat-mac/appletrawmain.py b/Lib/plat-mac/appletrawmain.py
index 6f2eacb..5c09e2d 100644
--- a/Lib/plat-mac/appletrawmain.py
+++ b/Lib/plat-mac/appletrawmain.py
@@ -41,7 +41,7 @@
     #
     sys.argv[0] = __file__
     del argvemulator, os, sys, _dir
-    execfile(__file__)
+    exec(open(__file__).read())
 else:
     __file__ = os.path.join(_dir, '__main__.pyc')
     if os.path.exists(__file__):
diff --git a/Lib/plat-mac/bundlebuilder.py b/Lib/plat-mac/bundlebuilder.py
index e833add..d8186c1 100755
--- a/Lib/plat-mac/bundlebuilder.py
+++ b/Lib/plat-mac/bundlebuilder.py
@@ -322,7 +322,12 @@
 import argvemulator, os
 
 argvemulator.ArgvCollector().mainloop()
-execfile(os.path.join(os.path.split(__file__)[0], "%(realmainprogram)s"))
+fp = os.path.join(os.path.split(__file__)[0], "%(realmainprogram)s")
+try:
+    script = fp.read()
+finally:
+    fp.close()
+exec(script)
 """
 
 #
diff --git a/Lib/profile.py b/Lib/profile.py
index 55118b5..cdc2479 100755
--- a/Lib/profile.py
+++ b/Lib/profile.py
@@ -609,7 +609,12 @@
 
     if (len(sys.argv) > 0):
         sys.path.insert(0, os.path.dirname(sys.argv[0]))
-        run('execfile(%r)' % (sys.argv[0],), options.outfile, options.sort)
+        fp = open(sys.argv[0])
+        try:
+            script = fp.read()
+        finally:
+            fp.close()
+        run('exec(%r)' % script, options.outfile, options.sort)
     else:
         parser.print_usage()
     return parser
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index a4ae21a..b430822 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -11,10 +11,6 @@
 warnings.filterwarnings("ignore", "integer argument expected",
                         DeprecationWarning, "unittest")
 
-# count the number of test runs.
-# used to skip running test_execfile() multiple times
-numruns = 0
-
 class Squares:
 
     def __init__(self, max):
@@ -399,57 +395,6 @@
                 return 1 # used to be 'a' but that's no longer an error
         self.assertRaises(TypeError, eval, 'dir()', globals(), C())
 
-    # Done outside of the method test_z to get the correct scope
-    z = 0
-    f = open(TESTFN, 'w')
-    f.write('z = z+1\n')
-    f.write('z = z*2\n')
-    f.close()
-    execfile(TESTFN)
-
-    def test_execfile(self):
-        global numruns
-        if numruns:
-            return
-        numruns += 1
-
-        globals = {'a': 1, 'b': 2}
-        locals = {'b': 200, 'c': 300}
-
-        self.assertEqual(self.__class__.z, 2)
-        globals['z'] = 0
-        execfile(TESTFN, globals)
-        self.assertEqual(globals['z'], 2)
-        locals['z'] = 0
-        execfile(TESTFN, globals, locals)
-        self.assertEqual(locals['z'], 2)
-
-        class M:
-            "Test mapping interface versus possible calls from execfile()."
-            def __init__(self):
-                self.z = 10
-            def __getitem__(self, key):
-                if key == 'z':
-                    return self.z
-                raise KeyError
-            def __setitem__(self, key, value):
-                if key == 'z':
-                    self.z = value
-                    return
-                raise KeyError
-
-        locals = M()
-        locals['z'] = 0
-        execfile(TESTFN, globals, locals)
-        self.assertEqual(locals['z'], 2)
-
-        unlink(TESTFN)
-        self.assertRaises(TypeError, execfile)
-        self.assertRaises(TypeError, execfile, TESTFN, {}, ())
-        import os
-        self.assertRaises(IOError, execfile, os.curdir)
-        self.assertRaises(IOError, execfile, "I_dont_exist")
-
     def test_exec(self):
         g = {}
         exec('z = 1', g)
diff --git a/Lib/test/test_multibytecodec.py b/Lib/test/test_multibytecodec.py
index 32c48fb..c2f34e5 100644
--- a/Lib/test/test_multibytecodec.py
+++ b/Lib/test/test_multibytecodec.py
@@ -49,7 +49,7 @@
         try:
             for enc in ALL_CJKENCODINGS:
                 print('# coding:', enc, file=io.open(TESTFN, 'w'))
-                execfile(TESTFN)
+                exec(open(TESTFN).read())
         finally:
             test_support.unlink(TESTFN)
 
diff --git a/Lib/test/test_pkg.py b/Lib/test/test_pkg.py
index 1a3f2a9..907359b 100644
--- a/Lib/test/test_pkg.py
+++ b/Lib/test/test_pkg.py
@@ -63,7 +63,7 @@
         sys.path.insert(0, root)
         if verbose: print("sys.path =", sys.path)
         try:
-            execfile(fname, globals(), {})
+            exec(open(fname).read(), globals(), {})
         except:
             traceback.print_exc(file=sys.stdout)
     finally:
diff --git a/Lib/test/test_univnewlines.py b/Lib/test/test_univnewlines.py
index ae4c442..7810cae 100644
--- a/Lib/test/test_univnewlines.py
+++ b/Lib/test/test_univnewlines.py
@@ -78,13 +78,6 @@
         data = fp.readlines()
         self.assertEqual(data, DATA_SPLIT[1:])
 
-    def test_execfile(self):
-        namespace = {}
-        execfile(test_support.TESTFN, namespace)
-        func = namespace['line3']
-        self.assertEqual(func.__code__.co_firstlineno, 3)
-        self.assertEqual(namespace['line4'], FATX)
-
 
 class TestNativeNewlines(TestGenericUnivNewlines):
     NEWLINE = None
diff --git a/Lib/trace.py b/Lib/trace.py
index d40f13c..645517a 100644
--- a/Lib/trace.py
+++ b/Lib/trace.py
@@ -773,7 +773,12 @@
                   ignoredirs=ignore_dirs, infile=counts_file,
                   outfile=counts_file)
         try:
-            t.run('execfile(%r)' % (progname,))
+            fp = open(progname)
+            try:
+                script = fp.read()
+            finally:
+                fp.close()
+            t.run('exec(%r)' % (script,))
         except IOError as err:
             _err_exit("Cannot run file %r because: %s" % (sys.argv[0], err))
         except SystemExit:
diff --git a/Lib/user.py b/Lib/user.py
index e550e52..99efd2d 100644
--- a/Lib/user.py
+++ b/Lib/user.py
@@ -12,7 +12,7 @@
     import user
 
 The user module looks for a file .pythonrc.py in the user's home
-directory and if it can be opened, execfile()s it in its own global
+directory and if it can be opened and read, exec()s it in its own global
 namespace.  Errors during this phase are not caught; that's up to the
 program that imports the user module, if it wishes.
 
@@ -42,4 +42,4 @@
     pass
 else:
     f.close()
-    execfile(pythonrc)
+    exec(open(pythonrc).read())
diff --git a/Mac/Modules/ae/aescan.py b/Mac/Modules/ae/aescan.py
index 1283c1d..0ea367c 100644
--- a/Mac/Modules/ae/aescan.py
+++ b/Mac/Modules/ae/aescan.py
@@ -21,7 +21,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done Scanning and Generating, now doing 'import aesupport' ==="
     import aesupport
     print "=== Done 'import aesupport'.  It's up to you to compile AEmodule.c ==="
diff --git a/Mac/Modules/ae/aesupport.py b/Mac/Modules/ae/aesupport.py
index 91c5b82..d3e1dfd 100644
--- a/Mac/Modules/ae/aesupport.py
+++ b/Mac/Modules/ae/aesupport.py
@@ -213,8 +213,8 @@
 functions = []
 aedescmethods = []
 
-execfile('aegen.py')
-##execfile('aedatamodelgen.py')
+exec(open('aegen.py').read())
+##exec(open('aedatamodelgen.py').read())
 
 # Manual generator
 AutoDispose_body = """
diff --git a/Mac/Modules/ah/ahscan.py b/Mac/Modules/ah/ahscan.py
index 0b7fe08..8768b60 100644
--- a/Mac/Modules/ah/ahscan.py
+++ b/Mac/Modules/ah/ahscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/ah/ahsupport.py b/Mac/Modules/ah/ahsupport.py
index c5f24be..9fa9dde 100644
--- a/Mac/Modules/ah/ahsupport.py
+++ b/Mac/Modules/ah/ahsupport.py
@@ -34,7 +34,7 @@
 
 # Create and populate the lists
 functions = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/app/appscan.py b/Mac/Modules/app/appscan.py
index 1b04859..246d61e 100644
--- a/Mac/Modules/app/appscan.py
+++ b/Mac/Modules/app/appscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/app/appsupport.py b/Mac/Modules/app/appsupport.py
index 177dfd5..73f5f11 100644
--- a/Mac/Modules/app/appsupport.py
+++ b/Mac/Modules/app/appsupport.py
@@ -121,7 +121,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/carbonevt/CarbonEvtscan.py b/Mac/Modules/carbonevt/CarbonEvtscan.py
index e3c72ae..7307327 100644
--- a/Mac/Modules/carbonevt/CarbonEvtscan.py
+++ b/Mac/Modules/carbonevt/CarbonEvtscan.py
@@ -20,7 +20,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "--done scanning, importing--"
     import CarbonEvtsupport
     print "done"
diff --git a/Mac/Modules/carbonevt/CarbonEvtsupport.py b/Mac/Modules/carbonevt/CarbonEvtsupport.py
index 77d12b6..2adc8cb 100644
--- a/Mac/Modules/carbonevt/CarbonEvtsupport.py
+++ b/Mac/Modules/carbonevt/CarbonEvtsupport.py
@@ -214,7 +214,7 @@
     execstr = typ + 'methods = []'
     exec execstr
 
-execfile('CarbonEventsgen.py')
+exec(open('CarbonEventsgen.py').read())
 
 
 
diff --git a/Mac/Modules/cf/cfscan.py b/Mac/Modules/cf/cfscan.py
index d2de92e..5ff9534 100644
--- a/Mac/Modules/cf/cfscan.py
+++ b/Mac/Modules/cf/cfscan.py
@@ -45,7 +45,7 @@
     scanner.gentypetest(SHORT+"typetest.py")
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/cf/cfsupport.py b/Mac/Modules/cf/cfsupport.py
index 800581a..655331e 100644
--- a/Mac/Modules/cf/cfsupport.py
+++ b/Mac/Modules/cf/cfsupport.py
@@ -529,7 +529,7 @@
 CFURLRef_methods = []
 
 # ADD _methods initializer here
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 
 # add the populated lists to the generator groups
diff --git a/Mac/Modules/cg/cgscan.py b/Mac/Modules/cg/cgscan.py
index b2e7946..82f4919 100755
--- a/Mac/Modules/cg/cgscan.py
+++ b/Mac/Modules/cg/cgscan.py
@@ -23,7 +23,7 @@
     scanner.gentypetest(SHORT+"typetest.py")
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/cg/cgsupport.py b/Mac/Modules/cg/cgsupport.py
index 6eedfbe..7fa06e2 100755
--- a/Mac/Modules/cg/cgsupport.py
+++ b/Mac/Modules/cg/cgsupport.py
@@ -145,7 +145,7 @@
 CGContextRef_methods = []
 
 # ADD _methods initializer here
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # manual method, lives in Quickdraw.h
 f = Method(void, 'SyncCGContextOriginWithPort',
diff --git a/Mac/Modules/cm/cmscan.py b/Mac/Modules/cm/cmscan.py
index 087f239..1a1e46d 100644
--- a/Mac/Modules/cm/cmscan.py
+++ b/Mac/Modules/cm/cmscan.py
@@ -17,7 +17,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/cm/cmsupport.py b/Mac/Modules/cm/cmsupport.py
index 4109dba..1653bb3 100644
--- a/Mac/Modules/cm/cmsupport.py
+++ b/Mac/Modules/cm/cmsupport.py
@@ -112,7 +112,7 @@
 functions = []
 c_methods = []
 ci_methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/ctl/ctlscan.py b/Mac/Modules/ctl/ctlscan.py
index 25333f1..dd74d23 100644
--- a/Mac/Modules/ctl/ctlscan.py
+++ b/Mac/Modules/ctl/ctlscan.py
@@ -15,7 +15,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now doing 'import ctlsupport' ==="
     import ctlsupport
     print "=== Done.  It's up to you to compile Ctlmodule.c ==="
diff --git a/Mac/Modules/ctl/ctlsupport.py b/Mac/Modules/ctl/ctlsupport.py
index d354d94..04fac8b 100644
--- a/Mac/Modules/ctl/ctlsupport.py
+++ b/Mac/Modules/ctl/ctlsupport.py
@@ -507,8 +507,8 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
-execfile('ctledit.py')
+exec(open(INPUTFILE).read())
+exec(open('ctledit.py').read())
 
 # add the populated lists to the generator groups
 for f in functions: module.add(f)
diff --git a/Mac/Modules/dlg/dlgscan.py b/Mac/Modules/dlg/dlgscan.py
index 7fb68f7..bf37129 100644
--- a/Mac/Modules/dlg/dlgscan.py
+++ b/Mac/Modules/dlg/dlgscan.py
@@ -19,7 +19,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/dlg/dlgsupport.py b/Mac/Modules/dlg/dlgsupport.py
index fa1442e..fcff5c0 100644
--- a/Mac/Modules/dlg/dlgsupport.py
+++ b/Mac/Modules/dlg/dlgsupport.py
@@ -240,7 +240,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile("dlggen.py")
+exec(open("dlggen.py").read())
 
 # add the populated lists to the generator groups
 for f in functions: module.add(f)
diff --git a/Mac/Modules/drag/dragscan.py b/Mac/Modules/drag/dragscan.py
index 923a56b..e89897a 100644
--- a/Mac/Modules/drag/dragscan.py
+++ b/Mac/Modules/drag/dragscan.py
@@ -26,7 +26,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now doing 'import dragsupport' ==="
     import dragsupport
     print "=== Done.  It's up to you to compile Dragmodule.c ==="
diff --git a/Mac/Modules/drag/dragsupport.py b/Mac/Modules/drag/dragsupport.py
index 45838ef..bb1a918 100644
--- a/Mac/Modules/drag/dragsupport.py
+++ b/Mac/Modules/drag/dragsupport.py
@@ -216,7 +216,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 for f in functions: module.add(f)
diff --git a/Mac/Modules/evt/evtscan.py b/Mac/Modules/evt/evtscan.py
index 0d0c9ec..0adce8b 100644
--- a/Mac/Modules/evt/evtscan.py
+++ b/Mac/Modules/evt/evtscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/evt/evtsupport.py b/Mac/Modules/evt/evtsupport.py
index f58da14..8deef92 100644
--- a/Mac/Modules/evt/evtsupport.py
+++ b/Mac/Modules/evt/evtsupport.py
@@ -50,7 +50,7 @@
 
 # Create and populate the lists
 functions = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # Move TickCount here, for convenience
 f = Function(UInt32, 'TickCount',
diff --git a/Mac/Modules/file/filescan.py b/Mac/Modules/file/filescan.py
index 8ebc69f..b7c5d12 100644
--- a/Mac/Modules/file/filescan.py
+++ b/Mac/Modules/file/filescan.py
@@ -18,7 +18,7 @@
     scanner.close()
     scanner.gentypetest(SHORT+"typetest.py")
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/file/filesupport.py b/Mac/Modules/file/filesupport.py
index 37aeb50..de45ed4 100644
--- a/Mac/Modules/file/filesupport.py
+++ b/Mac/Modules/file/filesupport.py
@@ -340,7 +340,7 @@
 PyMac_INIT_TOOLBOX_OBJECT_CONVERT(FSRef, PyMac_GetFSRef);
 """
 
-execfile(string.lower(MODPREFIX) + 'typetest.py')
+exec(open(string.lower(MODPREFIX) + 'typetest.py').read())
 
 # Our object types:
 class FSCatalogInfoDefinition(PEP253Mixin, ObjectDefinition):
@@ -806,7 +806,7 @@
 alias_methods = []
 fsref_methods = []
 fsspec_methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # Manual generators:
 FSRefMakePath_body = """
diff --git a/Mac/Modules/fm/fmscan.py b/Mac/Modules/fm/fmscan.py
index 334d5ec..38abcac 100644
--- a/Mac/Modules/fm/fmscan.py
+++ b/Mac/Modules/fm/fmscan.py
@@ -17,7 +17,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/fm/fmsupport.py b/Mac/Modules/fm/fmsupport.py
index e692053..8e2b8b3 100644
--- a/Mac/Modules/fm/fmsupport.py
+++ b/Mac/Modules/fm/fmsupport.py
@@ -70,7 +70,7 @@
 
 # Create and populate the lists
 functions = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/folder/folderscan.py b/Mac/Modules/folder/folderscan.py
index 8c94893..cccb720 100644
--- a/Mac/Modules/folder/folderscan.py
+++ b/Mac/Modules/folder/folderscan.py
@@ -19,7 +19,7 @@
     scanner.close()
     scanner.gentypetest(SHORT+"typetest.py")
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/folder/foldersupport.py b/Mac/Modules/folder/foldersupport.py
index b9b64bf..224b545 100644
--- a/Mac/Modules/folder/foldersupport.py
+++ b/Mac/Modules/folder/foldersupport.py
@@ -33,7 +33,7 @@
 
 """
 
-execfile(string.lower(MODPREFIX) + 'typetest.py')
+exec(open(string.lower(MODPREFIX) + 'typetest.py').read())
 
 # From here on it's basically all boiler plate...
 
@@ -45,7 +45,7 @@
 
 # Create and populate the lists
 functions = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/help/helpscan.py b/Mac/Modules/help/helpscan.py
index 50e0919..fa8dbde 100644
--- a/Mac/Modules/help/helpscan.py
+++ b/Mac/Modules/help/helpscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/help/helpsupport.py b/Mac/Modules/help/helpsupport.py
index 77f5c2e..37117ee 100644
--- a/Mac/Modules/help/helpsupport.py
+++ b/Mac/Modules/help/helpsupport.py
@@ -66,7 +66,7 @@
 # Create and populate the lists
 functions = []
 ##methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/ibcarbon/IBCarbonscan.py b/Mac/Modules/ibcarbon/IBCarbonscan.py
index 84e4f1e..eb7267d 100644
--- a/Mac/Modules/ibcarbon/IBCarbonscan.py
+++ b/Mac/Modules/ibcarbon/IBCarbonscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "--done scanning, importing--"
     import IBCarbonsupport
     print "done"
diff --git a/Mac/Modules/ibcarbon/IBCarbonsupport.py b/Mac/Modules/ibcarbon/IBCarbonsupport.py
index 5f41328..8744b69 100644
--- a/Mac/Modules/ibcarbon/IBCarbonsupport.py
+++ b/Mac/Modules/ibcarbon/IBCarbonsupport.py
@@ -42,7 +42,7 @@
 functions = []
 methods = []
 
-execfile('IBCarbongen.py')
+exec(open('IBCarbongen.py').read())
 
 for f in functions: module.add(f)
 for m in methods: ibnibobject.add(m)
diff --git a/Mac/Modules/icn/icnscan.py b/Mac/Modules/icn/icnscan.py
index bdc3b84..2d20062 100644
--- a/Mac/Modules/icn/icnscan.py
+++ b/Mac/Modules/icn/icnscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/icn/icnsupport.py b/Mac/Modules/icn/icnsupport.py
index 1b15385..e9a8b78 100644
--- a/Mac/Modules/icn/icnsupport.py
+++ b/Mac/Modules/icn/icnsupport.py
@@ -78,7 +78,7 @@
 # Create and populate the lists
 functions = []
 ##methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/launch/launchscan.py b/Mac/Modules/launch/launchscan.py
index 621033b..dd43e37 100644
--- a/Mac/Modules/launch/launchscan.py
+++ b/Mac/Modules/launch/launchscan.py
@@ -19,7 +19,7 @@
     scanner.close()
     scanner.gentypetest(SHORT+"typetest.py")
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/launch/launchsupport.py b/Mac/Modules/launch/launchsupport.py
index 34c2efb..5faf4b3 100644
--- a/Mac/Modules/launch/launchsupport.py
+++ b/Mac/Modules/launch/launchsupport.py
@@ -75,7 +75,7 @@
 """
 
 # From here on it's basically all boiler plate...
-execfile(string.lower(MODPREFIX) + 'typetest.py')
+exec(open(string.lower(MODPREFIX) + 'typetest.py').read())
 
 # Create the generator groups and link them
 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
@@ -89,7 +89,7 @@
 # Create and populate the lists
 functions = []
 ##methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/list/listscan.py b/Mac/Modules/list/listscan.py
index 877f6cb..14e7dca 100644
--- a/Mac/Modules/list/listscan.py
+++ b/Mac/Modules/list/listscan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/list/listsupport.py b/Mac/Modules/list/listsupport.py
index 93baede..2e1144a 100644
--- a/Mac/Modules/list/listsupport.py
+++ b/Mac/Modules/list/listsupport.py
@@ -169,7 +169,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # Function to convert any handle to a list and vv.
 ##f = Function(ListHandle, 'as_List', (Handle, 'h', InMode))
diff --git a/Mac/Modules/menu/menuscan.py b/Mac/Modules/menu/menuscan.py
index ae9465e..46afe16 100644
--- a/Mac/Modules/menu/menuscan.py
+++ b/Mac/Modules/menu/menuscan.py
@@ -14,7 +14,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now doing 'import menusupport' ==="
     import menusupport
     print "=== Done.  It's up to you to compile Menumodule.c ==="
diff --git a/Mac/Modules/menu/menusupport.py b/Mac/Modules/menu/menusupport.py
index a04b755..93d489b 100644
--- a/Mac/Modules/menu/menusupport.py
+++ b/Mac/Modules/menu/menusupport.py
@@ -96,8 +96,8 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
-execfile(EXTRAFILE)
+exec(open(INPUTFILE).read())
+exec(open(EXTRAFILE).read())
 
 # add the populated lists to the generator groups
 for f in functions: module.add(f)
diff --git a/Mac/Modules/mlte/mltescan.py b/Mac/Modules/mlte/mltescan.py
index adecb4f..9566ad7 100644
--- a/Mac/Modules/mlte/mltescan.py
+++ b/Mac/Modules/mlte/mltescan.py
@@ -20,7 +20,7 @@
     scanner.gentypetest(SHORT+"typetest.py")
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/mlte/mltesupport.py b/Mac/Modules/mlte/mltesupport.py
index 8dcbed5..4adde0d 100644
--- a/Mac/Modules/mlte/mltesupport.py
+++ b/Mac/Modules/mlte/mltesupport.py
@@ -128,7 +128,7 @@
 UniChar = Type("UniChar", "h") # XXXX For now...
 # ADD object type here
 
-execfile("mltetypetest.py")
+exec(open("mltetypetest.py").read())
 
 # Our (opaque) objects
 
@@ -166,7 +166,7 @@
 TXNFontMenuObject_methods = []
 
 # ADD _methods initializer here
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 
 # add the populated lists to the generator groups
diff --git a/Mac/Modules/osa/osascan.py b/Mac/Modules/osa/osascan.py
index fb8196f..8bad4b7 100644
--- a/Mac/Modules/osa/osascan.py
+++ b/Mac/Modules/osa/osascan.py
@@ -18,7 +18,7 @@
     scanner.close()
     scanner.gentypetest(SHORT+"typetest.py")
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/osa/osasupport.py b/Mac/Modules/osa/osasupport.py
index 8369932..3afdf4e 100644
--- a/Mac/Modules/osa/osasupport.py
+++ b/Mac/Modules/osa/osasupport.py
@@ -88,12 +88,12 @@
 Method = OSErrWeakLinkMethodGenerator
 
 # Test which types we are still missing.
-execfile(string.lower(MODPREFIX) + 'typetest.py')
+exec(open(string.lower(MODPREFIX) + 'typetest.py').read())
 
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/qd/qdscan.py b/Mac/Modules/qd/qdscan.py
index 85a8cdc..c601b0e 100644
--- a/Mac/Modules/qd/qdscan.py
+++ b/Mac/Modules/qd/qdscan.py
@@ -41,7 +41,7 @@
         ofp.close()
 
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     import qdsupport
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/qd/qdsupport.py b/Mac/Modules/qd/qdsupport.py
index d078ac6..28c2595 100644
--- a/Mac/Modules/qd/qdsupport.py
+++ b/Mac/Modules/qd/qdsupport.py
@@ -269,8 +269,8 @@
 gr_methods = []
 bm_methods = []
 #methods = []
-execfile(INPUTFILE)
-execfile(EXTRAFILE)
+exec(open(INPUTFILE).read())
+exec(open(EXTRAFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/qdoffs/qdoffsscan.py b/Mac/Modules/qdoffs/qdoffsscan.py
index d456e00..7e8f316 100644
--- a/Mac/Modules/qdoffs/qdoffsscan.py
+++ b/Mac/Modules/qdoffs/qdoffsscan.py
@@ -14,7 +14,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     import qdoffssupport
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/qdoffs/qdoffssupport.py b/Mac/Modules/qdoffs/qdoffssupport.py
index 1617773..73855a2 100644
--- a/Mac/Modules/qdoffs/qdoffssupport.py
+++ b/Mac/Modules/qdoffs/qdoffssupport.py
@@ -86,7 +86,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # A method to convert a GWorldPtr to a GrafPtr
 f = Method(GrafPtr, 'as_GrafPtr', (GWorldPtr, 'p', InMode))
diff --git a/Mac/Modules/qt/qtscan.py b/Mac/Modules/qt/qtscan.py
index a2dba15..ac56144 100644
--- a/Mac/Modules/qt/qtscan.py
+++ b/Mac/Modules/qt/qtscan.py
@@ -35,7 +35,7 @@
     scanner.close()
     scanner.gentypetest(SHORT+"typetest.py")
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/qt/qtsupport.py b/Mac/Modules/qt/qtsupport.py
index 132c2b4..4d7988f 100644
--- a/Mac/Modules/qt/qtsupport.py
+++ b/Mac/Modules/qt/qtsupport.py
@@ -307,7 +307,7 @@
 module.addobject(SGOutput_object)
 
 # Test which types we are still missing.
-execfile(string.lower(MODPREFIX) + 'typetest.py')
+exec(open(string.lower(MODPREFIX) + 'typetest.py').read())
 
 # Create the generator classes used to populate the lists
 Function = OSErrWeakLinkFunctionGenerator
@@ -323,7 +323,7 @@
 Track_methods = []
 Movie_methods = []
 SGOutput_methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 #
 # Some functions from ImageCompression.h that we need:
diff --git a/Mac/Modules/res/resscan.py b/Mac/Modules/res/resscan.py
index 47a97e4..853fa13 100644
--- a/Mac/Modules/res/resscan.py
+++ b/Mac/Modules/res/resscan.py
@@ -20,7 +20,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now doing 'import ressupport' ==="
     import ressupport
     print "=== Done 'import ressupport'.  It's up to you to compile Resmodule.c ==="
diff --git a/Mac/Modules/res/ressupport.py b/Mac/Modules/res/ressupport.py
index 9e42a45..4eed9ec 100644
--- a/Mac/Modules/res/ressupport.py
+++ b/Mac/Modules/res/ressupport.py
@@ -211,8 +211,8 @@
 functions = []
 resmethods = []
 
-execfile('resgen.py')
-execfile('resedit.py')
+exec(open('resgen.py').read())
+exec(open('resedit.py').read())
 
 for f in functions: module.add(f)
 for f in resmethods: resobject.add(f)
diff --git a/Mac/Modules/scrap/scrapscan.py b/Mac/Modules/scrap/scrapscan.py
index 1fc8191..7521fba 100644
--- a/Mac/Modules/scrap/scrapscan.py
+++ b/Mac/Modules/scrap/scrapscan.py
@@ -20,7 +20,7 @@
     scanner.scan()
     scanner.close()
 ##      print "=== Testing definitions output code ==="
-##      execfile(defsoutput, {}, {})
+##      exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/scrap/scrapsupport.py b/Mac/Modules/scrap/scrapsupport.py
index 84a75d2..b4226a5 100644
--- a/Mac/Modules/scrap/scrapsupport.py
+++ b/Mac/Modules/scrap/scrapsupport.py
@@ -63,7 +63,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Mac/Modules/snd/sndscan.py b/Mac/Modules/snd/sndscan.py
index c4a8266..bcdd062 100644
--- a/Mac/Modules/snd/sndscan.py
+++ b/Mac/Modules/snd/sndscan.py
@@ -17,7 +17,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now doing 'import sndsupport' ==="
     import sndsupport
     print "=== Done.  It's up to you to compile Sndmodule.c ==="
diff --git a/Mac/Modules/snd/sndsupport.py b/Mac/Modules/snd/sndsupport.py
index cf0fa6c..5c5da54 100644
--- a/Mac/Modules/snd/sndsupport.py
+++ b/Mac/Modules/snd/sndsupport.py
@@ -304,7 +304,7 @@
 
 # populate the lists
 
-execfile('sndgen.py')
+exec(open('sndgen.py').read())
 
 
 # add the functions and methods to the module and object, respectively
diff --git a/Mac/Modules/te/tescan.py b/Mac/Modules/te/tescan.py
index f5b6fff..c0d6e1c 100644
--- a/Mac/Modules/te/tescan.py
+++ b/Mac/Modules/te/tescan.py
@@ -18,7 +18,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     exec "import " + SHORT + "support"
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/te/tesupport.py b/Mac/Modules/te/tesupport.py
index ad6c053..412d5e7 100644
--- a/Mac/Modules/te/tesupport.py
+++ b/Mac/Modules/te/tesupport.py
@@ -198,7 +198,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # Converter from/to handle
 f = Function(TEHandle, 'as_TE', (Handle, 'h', InMode))
diff --git a/Mac/Modules/win/winscan.py b/Mac/Modules/win/winscan.py
index f78935d..8d2cea9 100644
--- a/Mac/Modules/win/winscan.py
+++ b/Mac/Modules/win/winscan.py
@@ -14,7 +14,7 @@
     scanner.scan()
     scanner.close()
     print "=== Testing definitions output code ==="
-    execfile(defsoutput, {}, {})
+    exec(open(defsoutput).read(), {}, {})
     print "=== Done scanning and generating, now importing the generated code... ==="
     import winsupport
     print "=== Done.  It's up to you to compile it now! ==="
diff --git a/Mac/Modules/win/winsupport.py b/Mac/Modules/win/winsupport.py
index 08a0379..2cadbdc 100644
--- a/Mac/Modules/win/winsupport.py
+++ b/Mac/Modules/win/winsupport.py
@@ -191,7 +191,7 @@
 # Create and populate the lists
 functions = []
 methods = []
-execfile(INPUTFILE)
+exec(open(INPUTFILE).read())
 
 # Add manual routines for converting integer WindowPtr's (as returned by
 # various event routines)  and Dialog objects to a WindowObject.
@@ -211,8 +211,8 @@
 
 # And add the routines that access the internal bits of a window struct. They
 # are currently #defined in Windows.h, they will be real routines in Copland
-# (at which time this execfile can go)
-execfile(EDITFILE)
+# (at which time this exec can go)
+exec(open(EDITFILE).read())
 
 # add the populated lists to the generator groups
 # (in a different wordl the scan program would generate this)
diff --git a/Misc/NEWS b/Misc/NEWS
index 09d1302..b5a67db 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -152,7 +152,7 @@
   backticks (ie, `x`), <>
 
 - Removed these Python builtins:
-  apply(), callable(), coerce(), file(), reduce(), reload()
+  apply(), callable(), coerce(), execfile(), file(), reduce(), reload()
 
 - Removed these Python methods:
   {}.has_key
diff --git a/Misc/Vim/python.vim b/Misc/Vim/python.vim
index 3886931..130b699 100644
--- a/Misc/Vim/python.vim
+++ b/Misc/Vim/python.vim
@@ -66,10 +66,10 @@
   syn keyword pythonBuiltin    __import__ abs all any basestring bool
   syn keyword pythonBuiltin    buffer callable chr classmethod cmp
   syn keyword pythonBuiltin    complex copyright credits delattr dict
-  syn keyword pythonBuiltin    dir divmod enumerate eval execfile exit file
+  syn keyword pythonBuiltin    dir divmod enumerate eval exec exit
   syn keyword pythonBuiltin    filter float frozenset getattr globals hasattr
   syn keyword pythonBuiltin    hash help hex id int isinstance
-  syn keyword pythonBuiltin    issubclass iter len license list locals long map
+  syn keyword pythonBuiltin    issubclass iter len license list locals map
   syn keyword pythonBuiltin    max min object oct open ord pow property quit
   syn keyword pythonBuiltin    range reload repr reversed round
   syn keyword pythonBuiltin    set setattr slice sorted staticmethod str sum
diff --git a/Misc/cheatsheet b/Misc/cheatsheet
index 3d34471..c530442 100644
--- a/Misc/cheatsheet
+++ b/Misc/cheatsheet
@@ -282,11 +282,10 @@
 
 Numeric types
 
-Floats, integers and long integers.
+Floats and integers.
 
     Floats are implemented with C doubles.
-    Integers are implemented with C longs.
-    Long integers have unlimited size (only limit is system resources)
+    Integers have unlimited size (only limit is system resources)
 
 Operators on all numeric types
 
@@ -294,7 +293,6 @@
  Operation                    Result
 abs(x)       the absolute value of x
 int(x)       x converted to integer
-long(x)      x converted to long integer
 float(x)     x converted to floating point
 -x           x negated
 +x           x unchanged
@@ -306,7 +304,7 @@
 divmod(x, y) the tuple (x/y, x%y)
 x ** y       x to the power y (the same as pow(x, y))
 
-Bit operators on integers and long integers
+Bit operators on integers
 
               Bit operators
 Operation             >Result
@@ -948,9 +946,6 @@
 eval(s[, globals[,  Eval string s in (optional) globals, locals contexts.s must
 locals]])           have no NUL's or newlines. s can also be acode object.
                     Example: x = 1; incr_x = eval('x + 1')
-execfile(file[,     Executes a file without creating a new module, unlike
-globals[, locals]]) import.
-file()              Synonym for open().
 filter(function,    Constructs a list from those elements of sequence for which
 sequence)           function returns true. function takes one parameter.
 float(x)            Converts a number or a string to floating point.
@@ -977,9 +972,6 @@
 list(sequence)      Converts sequence into a list. If already a list,returns a
                     copy of it.
 locals()            Returns a dictionary containing current local variables.
-                    Converts a number or a string to a long integer. Optional
-long(x[, base])     base paramenter specifies base from which to convert string
-                    values.
                     Applies function to every item of list and returns a listof
 map(function, list, the results. If additional arguments are passed,function
 ...)                must take that many arguments and it is givento function on
@@ -1167,7 +1159,7 @@
         s^=o      =  __ixor__(s,o)        s|=o       =  __ior__(s,o)
         s<<=o     =  __ilshift__(s,o)     s>>=o      =  __irshift__(s,o)
         Conversions
-        int(s)    =  __int__(s)           long(s)    =  __long__(s)
+        int(s)    =  __int__(s)
         float(s)  =  __float__(s)         complex(s)    =  __complex__(s)
         oct(s)    =  __oct__(s)           hex(s)     =  __hex__(s)
         Right-hand-side equivalents for all binary operators exist;
diff --git a/Misc/python-mode.el b/Misc/python-mode.el
index 55ba602..5d9af67 100644
--- a/Misc/python-mode.el
+++ b/Misc/python-mode.el
@@ -380,7 +380,7 @@
 			  "bool" "buffer" "callable" "chr" "classmethod"
 			  "cmp" "compile" "complex" "copyright"
 			  "delattr" "dict" "dir" "divmod"
-			  "enumerate" "eval" "execfile" "exit" "file"
+			  "enumerate" "eval" "exit" "file"
 			  "filter" "float" "getattr" "globals" "hasattr"
 			  "hash" "hex" "id" "int"
 			  "isinstance" "issubclass" "iter" "len" "license"
@@ -1262,7 +1262,7 @@
 
 ;; Python subprocess utilities and filters
 (defun py-execute-file (proc filename)
-  "Send to Python interpreter process PROC \"execfile('FILENAME')\".
+  "Send to Python interpreter process PROC \"exec(open('FILENAME').read())\".
 Make that process's buffer visible and force display.  Also make
 comint believe the user typed this string so that
 `kill-output-from-shell' does The Right Thing."
@@ -1270,7 +1270,7 @@
 	(procbuf (process-buffer proc))
 ;	(comint-scroll-to-bottom-on-output t)
 	(msg (format "## working on region in file %s...\n" filename))
-	(cmd (format "execfile(r'%s')\n" filename)))
+	(cmd (format "exec(open(r'%s').read())\n" filename)))
     (unwind-protect
 	(save-excursion
 	  (set-buffer procbuf)
@@ -1606,7 +1606,7 @@
 non-nil, specifies to run the command asynchronously in its own
 buffer.
 
-If the Python interpreter shell is running, the region is execfile()'d
+If the Python interpreter shell is running, the region is exec()'d
 in that shell.  If you try to execute regions too quickly,
 `python-mode' will queue them up and execute them one at a time when
 it sees a `>>> ' prompt from Python.  Each time this happens, the
@@ -1731,7 +1731,7 @@
 If the file has already been imported, then do reload instead to get
 the latest version.
 
-If the file's name does not end in \".py\", then do execfile instead.
+If the file's name does not end in \".py\", then do exec instead.
 
 If the current buffer is not visiting a file, do `py-execute-buffer'
 instead.
@@ -1768,7 +1768,7 @@
 			 (file-name-nondirectory file))))
                  (format "if globals().has_key('%s'):\n    reload(%s)\nelse:\n    import %s\n"
                          f f f))
-             (format "execfile(r'%s')\n" file))
+             (format "exec(open(r'%s'))\n" file))
            async))
       ;; else
       (py-execute-buffer async))))
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 34bca68..8175404 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -317,7 +317,7 @@
 		** will cause a pause if we're reading from an
 		** interactive stream, but that is very unlikely
 		** unless we're doing something silly like
-		** execfile("/dev/tty").
+		** exec(open("/dev/tty").read()).
 		*/
 		c = GETC(stream);
 		if ( c != '\n' )
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 2f4e513..b6a7327 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -642,107 +642,6 @@
 
 
 static PyObject *
-builtin_execfile(PyObject *self, PyObject *args)
-{
-	char *filename;
-	PyObject *globals = Py_None, *locals = Py_None;
-	PyObject *res;
-	FILE* fp = NULL;
-	PyCompilerFlags cf;
-	int exists;
-
-	if (!PyArg_ParseTuple(args, "s|O!O:execfile",
-			&filename,
-			&PyDict_Type, &globals,
-			&locals))
-		return NULL;
-	if (locals != Py_None && !PyMapping_Check(locals)) {
-		PyErr_SetString(PyExc_TypeError, "locals must be a mapping");
-		return NULL;
-	}
-	if (globals == Py_None) {
-		globals = PyEval_GetGlobals();
-		if (locals == Py_None)
-			locals = PyEval_GetLocals();
-	}
-	else if (locals == Py_None)
-		locals = globals;
-	if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
-		if (PyDict_SetItemString(globals, "__builtins__",
-					 PyEval_GetBuiltins()) != 0)
-			return NULL;
-	}
-
-	exists = 0;
-	/* Test for existence or directory. */
-#if defined(PLAN9)
-	{
-		Dir *d;
-
-		if ((d = dirstat(filename))!=nil) {
-			if(d->mode & DMDIR)
-				werrstr("is a directory");
-			else
-				exists = 1;
-			free(d);
-		}
-	}
-#elif defined(RISCOS)
-	if (object_exists(filename)) {
-		if (isdir(filename))
-			errno = EISDIR;
-		else
-			exists = 1;
-	}
-#else	/* standard Posix */
-	{
-		struct stat s;
-		if (stat(filename, &s) == 0) {
-			if (S_ISDIR(s.st_mode))
-#				if defined(PYOS_OS2) && defined(PYCC_VACPP)
-					errno = EOS2ERR;
-#				else
-					errno = EISDIR;
-#				endif
-			else
-				exists = 1;
-		}
-	}
-#endif
-
-        if (exists) {
-		Py_BEGIN_ALLOW_THREADS
-		fp = fopen(filename, "r" PY_STDIOTEXTMODE);
-		Py_END_ALLOW_THREADS
-
-		if (fp == NULL) {
-			exists = 0;
-		}
-        }
-
-	if (!exists) {
-		PyErr_SetFromErrnoWithFilename(PyExc_IOError, filename);
-		return NULL;
-	}
-	cf.cf_flags = 0;
-	if (PyEval_MergeCompilerFlags(&cf))
-		res = PyRun_FileExFlags(fp, filename, Py_file_input, globals,
-				   locals, 1, &cf);
-	else
-		res = PyRun_FileEx(fp, filename, Py_file_input, globals,
-				   locals, 1);
-	return res;
-}
-
-PyDoc_STRVAR(execfile_doc,
-"execfile(filename[, globals[, locals]])\n\
-\n\
-Read and execute a Python script from a file.\n\
-The globals and locals are dictionaries, defaulting to the current\n\
-globals and locals.  If only globals is given, locals defaults to it.");
-
-
-static PyObject *
 builtin_getattr(PyObject *self, PyObject *args)
 {
 	PyObject *v, *result, *dflt = NULL, *release = NULL;
@@ -1737,7 +1636,6 @@
  	{"divmod",	builtin_divmod,     METH_VARARGS, divmod_doc},
  	{"eval",	builtin_eval,       METH_VARARGS, eval_doc},
 	{"exec",        builtin_exec,       METH_VARARGS, exec_doc},
- 	{"execfile",	builtin_execfile,   METH_VARARGS, execfile_doc},
  	{"filter",	builtin_filter,     METH_VARARGS, filter_doc},
  	{"getattr",	builtin_getattr,    METH_VARARGS, getattr_doc},
  	{"globals",	(PyCFunction)builtin_globals,    METH_NOARGS, globals_doc},
diff --git a/README b/README
index 4fecd7a..ef9f452 100644
--- a/README
+++ b/README
@@ -1101,7 +1101,7 @@
 --with(out)-universal-newlines: enable reading of text files with
         foreign newline convention (default: enabled). In other words,
         any of \r, \n or \r\n is acceptable as end-of-line character.
-        If enabled import and execfile will automatically accept any newline
+        If enabled import will automatically accept any newline
         in files. Python code can open a file with open(file, 'U') to
         read it in universal newline mode. THIS OPTION IS UNSUPPORTED.
 
diff --git a/Tools/scripts/hotshotmain.py b/Tools/scripts/hotshotmain.py
index 4f40628..7e39d98 100644
--- a/Tools/scripts/hotshotmain.py
+++ b/Tools/scripts/hotshotmain.py
@@ -23,7 +23,12 @@
     prof = hotshot.Profile(profile)
     sys.path.insert(0, os.path.dirname(filename))
     sys.argv = [filename] + args
-    prof.run("execfile(%r)" % filename)
+    fp = open(filename)
+    try:
+        script = fp.read()
+    finally:
+        fp.close()
+    prof.run("exec(%r)" % script)
     prof.close()
     stats = hotshot.stats.load(profile)
     stats.sort_stats("time", "calls")
diff --git a/Tools/versioncheck/README b/Tools/versioncheck/README
index a51411b..1dd2eca 100644
--- a/Tools/versioncheck/README
+++ b/Tools/versioncheck/README
@@ -19,7 +19,7 @@
 of URLs. Each of these will be checked in order until one is available,
 this is handy for distributions that live in multiple places. Put the
 primary distribution site (the most up-to-date site) before others.
-The script is executed with execfile(), not imported, and the current
+The script is read and executed with exec(), not imported, and the current
 directory is the checkversion directory, so be careful with globals,
 importing, etc.
 
diff --git a/Tools/versioncheck/checkversions.py b/Tools/versioncheck/checkversions.py
index 27c16e7..ccb544d 100644
--- a/Tools/versioncheck/checkversions.py
+++ b/Tools/versioncheck/checkversions.py
@@ -26,7 +26,7 @@
     if CHECKNAME in files:
         fullname = os.path.join(dir, CHECKNAME)
         try:
-            execfile(fullname)
+            exec(open(fullname).read())
         except:
             print('** Exception in', fullname)
 
diff --git a/setup.py b/setup.py
index 9c8bd4b..f0191de 100644
--- a/setup.py
+++ b/setup.py
@@ -1369,7 +1369,12 @@
                     return False
 
             fficonfig = {}
-            execfile(ffi_configfile, globals(), fficonfig)
+            fp = open(ffi_configfile)
+            try:
+                script = fp.read()
+            finally:
+                fp.close()
+            exec(script, globals(), fficonfig)
             ffi_srcdir = os.path.join(fficonfig['ffi_srcdir'], 'src')
 
             # Add .S (preprocessed assembly) to C compiler source extensions.