[Python-checkins] cpython: Issue #9516: Port OS X deployment target tests from distutils to packaging
ned.deily
python-checkins at python.org
Wed Jun 29 05:24:52 CEST 2011
http://hg.python.org/cpython/rev/47b670d386cd
changeset: 71052:47b670d386cd
user: Ned Deily <nad at acm.org>
date: Tue Jun 28 20:03:17 2011 -0700
summary:
Issue #9516: Port OS X deployment target tests from distutils to packaging
test_command_build_ext.
files:
Lib/packaging/tests/test_command_build_ext.py | 93 +++++++++-
1 files changed, 92 insertions(+), 1 deletions(-)
diff --git a/Lib/packaging/tests/test_command_build_ext.py b/Lib/packaging/tests/test_command_build_ext.py
--- a/Lib/packaging/tests/test_command_build_ext.py
+++ b/Lib/packaging/tests/test_command_build_ext.py
@@ -3,9 +3,11 @@
import site
import shutil
import sysconfig
+import textwrap
from io import StringIO
from packaging.dist import Distribution
-from packaging.errors import UnknownFileError, CompileError
+from packaging.errors import (UnknownFileError, CompileError,
+ PackagingPlatformError)
from packaging.command.build_ext import build_ext
from packaging.compiler.extension import Extension
from test.script_helper import assert_python_ok
@@ -362,6 +364,95 @@
wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext)
self.assertEqual(wanted, path)
+ @unittest.skipUnless(sys.platform == 'darwin',
+ 'test only relevant for Mac OS X')
+ def test_deployment_target_default(self):
+ # Issue 9516: Test that, in the absence of the environment variable,
+ # an extension module is compiled with the same deployment target as
+ # the interpreter.
+ self._try_compile_deployment_target('==', None)
+
+ @unittest.skipUnless(sys.platform == 'darwin',
+ 'test only relevant for Mac OS X')
+ def test_deployment_target_too_low(self):
+ # Issue 9516: Test that an extension module is not allowed to be
+ # compiled with a deployment target less than that of the interpreter.
+ self.assertRaises(PackagingPlatformError,
+ self._try_compile_deployment_target, '>', '10.1')
+
+ @unittest.skipUnless(sys.platform == 'darwin',
+ 'test only relevant for Mac OS X')
+ def test_deployment_target_higher_ok(self):
+ # Issue 9516: Test that an extension module can be compiled with a
+ # deployment target higher than that of the interpreter: the ext
+ # module may depend on some newer OS feature.
+ deptarget = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
+ if deptarget:
+ # increment the minor version number (i.e. 10.6 -> 10.7)
+ deptarget = [int(x) for x in deptarget.split('.')]
+ deptarget[-1] += 1
+ deptarget = '.'.join(str(i) for i in deptarget)
+ self._try_compile_deployment_target('<', deptarget)
+
+ def _try_compile_deployment_target(self, operator, target):
+ orig_environ = os.environ
+ os.environ = orig_environ.copy()
+ self.addCleanup(setattr, os, 'environ', orig_environ)
+
+ if target is None:
+ if os.environ.get('MACOSX_DEPLOYMENT_TARGET'):
+ del os.environ['MACOSX_DEPLOYMENT_TARGET']
+ else:
+ os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
+
+ deptarget_c = os.path.join(self.tmp_dir, 'deptargetmodule.c')
+
+ with open(deptarget_c, 'w') as fp:
+ fp.write(textwrap.dedent('''\
+ #include <AvailabilityMacros.h>
+
+ int dummy;
+
+ #if TARGET %s MAC_OS_X_VERSION_MIN_REQUIRED
+ #else
+ #error "Unexpected target"
+ #endif
+
+ ''' % operator))
+
+ # get the deployment target that the interpreter was built with
+ target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
+ target = tuple(map(int, target.split('.')))
+ target = '%02d%01d0' % target
+
+ deptarget_ext = Extension(
+ 'deptarget',
+ [deptarget_c],
+ extra_compile_args=['-DTARGET=%s' % (target,)],
+ )
+ dist = Distribution({
+ 'name': 'deptarget',
+ 'ext_modules': [deptarget_ext],
+ })
+ dist.package_dir = self.tmp_dir
+ cmd = build_ext(dist)
+ cmd.build_lib = self.tmp_dir
+ cmd.build_temp = self.tmp_dir
+
+ try:
+ old_stdout = sys.stdout
+ if not verbose:
+ # silence compiler output
+ sys.stdout = StringIO()
+ try:
+ cmd.ensure_finalized()
+ cmd.run()
+ finally:
+ sys.stdout = old_stdout
+
+ except CompileError:
+ self.fail("Wrong deployment target during compilation")
+
def test_suite():
src = _get_source_filename()
--
Repository URL: http://hg.python.org/cpython
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