Since Python 3 will always need the _execfile functionality (to fulfill the...

Since Python 3 will always need the _execfile functionality (to fulfill the test in test_sandbox), this functionality should become part of the core implementation.

setuptools/compat.py

@@ -10,7 +10,6 @@ if PY2:
     import ConfigParser
     from StringIO import StringIO
     BytesIO = StringIO
-    execfile = execfile
     func_code = lambda o: o.func_code
     func_globals = lambda o: o.func_globals
     im_func = lambda o: o.im_func
@@ -63,15 +62,6 @@ if PY3:
     )
     filterfalse = itertools.filterfalse
 
-    def execfile(fn, globs=None, locs=None):
-        if globs is None:
-            globs = globals()
-        if locs is None:
-            locs = globs
-        with open(fn, 'rb') as f:
-            source = f.read()
-        exec(compile(source, fn, 'exec'), globs, locs)
-
     def reraise(tp, value, tb=None):
         if value.__traceback__ is not tb:
             raise value.with_traceback(tb)

setuptools/sandbox.py

@@ -20,12 +20,23 @@ _open = open
 from distutils.errors import DistutilsError
 from pkg_resources import working_set
 
-from setuptools.compat import builtins, execfile
+from setuptools.compat import builtins
 
 __all__ = [
     "AbstractSandbox", "DirectorySandbox", "SandboxViolation", "run_setup",
 ]
 
+def _execfile(filename, globals, locals=None):
+    """
+    Python 3 implementation of execfile.
+    """
+    with open(filename, 'rb') as stream:
+        script = stream.read()
+    if locals is None:
+        locals = globals
+    code = compile(script, filename, 'exec')
+    exec(code, globals, locals)
+
 def run_setup(setup_script, args):
     """Run a distutils setup script, sandboxed in its directory"""
     old_dir = os.getcwd()
@@ -46,12 +57,10 @@ def run_setup(setup_script, args):
             # reset to include setup dir, w/clean callback list
             working_set.__init__()
             working_set.callbacks.append(lambda dist:dist.activate())
-            DirectorySandbox(setup_dir).run(
-                lambda: execfile(
-                    "setup.py",
-                    {'__file__':setup_script, '__name__':'__main__'}
-                )
-            )
+            def runner():
+                ns = dict(__file__=setup_script, __name__='__main__')
+                _execfile(setup_script, ns)
+            DirectorySandbox(setup_dir).run(runner)
         except SystemExit:
             v = sys.exc_info()[1]
             if v.args and v.args[0]:

setuptools/tests/doctest.py

@@ -109,7 +109,8 @@ import __future__
 import sys, traceback, inspect, linecache, os, re, types
 import unittest, difflib, pdb, tempfile
 import warnings
-from setuptools.compat import StringIO, execfile, func_code, im_func
+from setuptools.compat import StringIO, func_code, im_func
+from setuptools import sandbox
 
 # Don't whine about the deprecated is_private function in this
 # module's tests.
@@ -2554,14 +2555,15 @@ def debug_script(src, pm=False, globs=None):
 
         if pm:
             try:
-                execfile(srcfilename, globs, globs)
+                sandbox._execfile(srcfilename, 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)
+            cmd = "sandbox._execfile(%r, globals())" % srcfilename
+            pdb.run(cmd, globs, globs)
 
     finally:
         os.remove(srcfilename)

setuptools/tests/test_sandbox.py

@@ -72,7 +72,7 @@ class TestSandbox(unittest.TestCase):
         target = pkg_resources.resource_filename(__name__,
             'script-with-bom.py')
         namespace = types.ModuleType('namespace')
-        setuptools.sandbox.execfile(target, vars(namespace))
+        setuptools.sandbox._execfile(target, vars(namespace))
         assert namespace.result == 'passed'
 
 if __name__ == '__main__':