mirror of https://github.com/python/cpython
524 lines
20 KiB
Python
524 lines
20 KiB
Python
import sys
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import os
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import tempfile
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import shutil
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from StringIO import StringIO
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import textwrap
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from distutils.core import Extension, Distribution
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from distutils.command.build_ext import build_ext
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from distutils import sysconfig
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from distutils.tests import support
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from distutils.errors import (DistutilsSetupError, CompileError,
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DistutilsPlatformError)
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import unittest
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from test import test_support
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# http://bugs.python.org/issue4373
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# Don't load the xx module more than once.
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ALREADY_TESTED = False
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def _get_source_filename():
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# use installed copy if available
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tests_f = os.path.join(os.path.dirname(__file__), 'xxmodule.c')
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if os.path.exists(tests_f):
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return tests_f
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# otherwise try using copy from build directory
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srcdir = sysconfig.get_config_var('srcdir')
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if srcdir is None:
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return os.path.join(sysconfig.project_base, 'Modules', 'xxmodule.c')
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return os.path.join(srcdir, 'Modules', 'xxmodule.c')
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_XX_MODULE_PATH = _get_source_filename()
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class BuildExtTestCase(support.TempdirManager,
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support.LoggingSilencer,
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unittest.TestCase):
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def setUp(self):
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# Create a simple test environment
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# Note that we're making changes to sys.path
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super(BuildExtTestCase, self).setUp()
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self.tmp_dir = tempfile.mkdtemp(prefix="pythontest_")
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if os.path.exists(_XX_MODULE_PATH):
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self.sys_path = sys.path[:]
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sys.path.append(self.tmp_dir)
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shutil.copy(_XX_MODULE_PATH, self.tmp_dir)
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def tearDown(self):
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# Get everything back to normal
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if os.path.exists(_XX_MODULE_PATH):
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test_support.unload('xx')
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sys.path[:] = self.sys_path
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# XXX on Windows the test leaves a directory
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# with xx module in TEMP
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shutil.rmtree(self.tmp_dir, os.name == 'nt' or
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sys.platform == 'cygwin')
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super(BuildExtTestCase, self).tearDown()
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def _fixup_command(self, cmd):
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# When Python was build with --enable-shared, -L. is not good enough
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# to find the libpython<blah>.so. This is because regrtest runs it
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# under a tempdir, not in the top level where the .so lives. By the
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# time we've gotten here, Python's already been chdir'd to the
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# tempdir.
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#
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# To further add to the fun, we can't just add library_dirs to the
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# Extension() instance because that doesn't get plumbed through to the
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# final compiler command.
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if (sysconfig.get_config_var('Py_ENABLE_SHARED') and
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not sys.platform.startswith('win')):
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runshared = sysconfig.get_config_var('RUNSHARED')
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if runshared is None:
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cmd.library_dirs = ['.']
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else:
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name, equals, value = runshared.partition('=')
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cmd.library_dirs = value.split(os.pathsep)
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@unittest.skipIf(not os.path.exists(_XX_MODULE_PATH),
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'xxmodule.c not found')
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def test_build_ext(self):
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global ALREADY_TESTED
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xx_c = os.path.join(self.tmp_dir, 'xxmodule.c')
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xx_ext = Extension('xx', [xx_c])
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dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
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dist.package_dir = self.tmp_dir
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cmd = build_ext(dist)
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self._fixup_command(cmd)
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if os.name == "nt":
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# On Windows, we must build a debug version iff running
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# a debug build of Python
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cmd.debug = sys.executable.endswith("_d.exe")
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cmd.build_lib = self.tmp_dir
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cmd.build_temp = self.tmp_dir
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old_stdout = sys.stdout
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if not test_support.verbose:
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# silence compiler output
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sys.stdout = StringIO()
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try:
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cmd.ensure_finalized()
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cmd.run()
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finally:
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sys.stdout = old_stdout
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if ALREADY_TESTED:
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return
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else:
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ALREADY_TESTED = True
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import xx
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for attr in ('error', 'foo', 'new', 'roj'):
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self.assertTrue(hasattr(xx, attr))
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self.assertEqual(xx.foo(2, 5), 7)
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self.assertEqual(xx.foo(13,15), 28)
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self.assertEqual(xx.new().demo(), None)
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doc = 'This is a template module just for instruction.'
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self.assertEqual(xx.__doc__, doc)
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self.assertTrue(isinstance(xx.Null(), xx.Null))
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self.assertTrue(isinstance(xx.Str(), xx.Str))
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def test_solaris_enable_shared(self):
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dist = Distribution({'name': 'xx'})
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cmd = build_ext(dist)
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old = sys.platform
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sys.platform = 'sunos' # fooling finalize_options
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from distutils.sysconfig import _config_vars
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old_var = _config_vars.get('Py_ENABLE_SHARED')
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_config_vars['Py_ENABLE_SHARED'] = 1
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try:
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cmd.ensure_finalized()
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finally:
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sys.platform = old
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if old_var is None:
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del _config_vars['Py_ENABLE_SHARED']
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else:
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_config_vars['Py_ENABLE_SHARED'] = old_var
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# make sure we get some library dirs under solaris
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self.assertTrue(len(cmd.library_dirs) > 0)
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def test_finalize_options(self):
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# Make sure Python's include directories (for Python.h, pyconfig.h,
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# etc.) are in the include search path.
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modules = [Extension('foo', ['xxx'])]
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dist = Distribution({'name': 'xx', 'ext_modules': modules})
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cmd = build_ext(dist)
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cmd.finalize_options()
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from distutils import sysconfig
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py_include = sysconfig.get_python_inc()
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self.assertTrue(py_include in cmd.include_dirs)
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plat_py_include = sysconfig.get_python_inc(plat_specific=1)
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self.assertTrue(plat_py_include in cmd.include_dirs)
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# make sure cmd.libraries is turned into a list
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# if it's a string
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cmd = build_ext(dist)
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cmd.libraries = 'my_lib'
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cmd.finalize_options()
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self.assertEqual(cmd.libraries, ['my_lib'])
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# make sure cmd.library_dirs is turned into a list
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# if it's a string
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cmd = build_ext(dist)
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cmd.library_dirs = 'my_lib_dir'
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cmd.finalize_options()
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self.assertTrue('my_lib_dir' in cmd.library_dirs)
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# make sure rpath is turned into a list
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# if it's a list of os.pathsep's paths
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cmd = build_ext(dist)
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cmd.rpath = os.pathsep.join(['one', 'two'])
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cmd.finalize_options()
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self.assertEqual(cmd.rpath, ['one', 'two'])
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# XXX more tests to perform for win32
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# make sure define is turned into 2-tuples
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# strings if they are ','-separated strings
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cmd = build_ext(dist)
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cmd.define = 'one,two'
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cmd.finalize_options()
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self.assertEqual(cmd.define, [('one', '1'), ('two', '1')])
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# make sure undef is turned into a list of
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# strings if they are ','-separated strings
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cmd = build_ext(dist)
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cmd.undef = 'one,two'
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cmd.finalize_options()
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self.assertEqual(cmd.undef, ['one', 'two'])
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# make sure swig_opts is turned into a list
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cmd = build_ext(dist)
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cmd.swig_opts = None
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cmd.finalize_options()
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self.assertEqual(cmd.swig_opts, [])
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cmd = build_ext(dist)
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cmd.swig_opts = '1 2'
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cmd.finalize_options()
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self.assertEqual(cmd.swig_opts, ['1', '2'])
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def test_check_extensions_list(self):
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dist = Distribution()
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cmd = build_ext(dist)
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cmd.finalize_options()
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#'extensions' option must be a list of Extension instances
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self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, 'foo')
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# each element of 'ext_modules' option must be an
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# Extension instance or 2-tuple
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exts = [('bar', 'foo', 'bar'), 'foo']
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self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
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# first element of each tuple in 'ext_modules'
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# must be the extension name (a string) and match
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# a python dotted-separated name
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exts = [('foo-bar', '')]
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self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
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# second element of each tuple in 'ext_modules'
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# must be a ary (build info)
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exts = [('foo.bar', '')]
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self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
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# ok this one should pass
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exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
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'some': 'bar'})]
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cmd.check_extensions_list(exts)
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ext = exts[0]
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self.assertTrue(isinstance(ext, Extension))
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# check_extensions_list adds in ext the values passed
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# when they are in ('include_dirs', 'library_dirs', 'libraries'
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# 'extra_objects', 'extra_compile_args', 'extra_link_args')
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self.assertEqual(ext.libraries, 'foo')
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self.assertTrue(not hasattr(ext, 'some'))
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# 'macros' element of build info dict must be 1- or 2-tuple
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exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
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'some': 'bar', 'macros': [('1', '2', '3'), 'foo']})]
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self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
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exts[0][1]['macros'] = [('1', '2'), ('3',)]
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cmd.check_extensions_list(exts)
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self.assertEqual(exts[0].undef_macros, ['3'])
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self.assertEqual(exts[0].define_macros, [('1', '2')])
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def test_get_source_files(self):
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modules = [Extension('foo', ['xxx'])]
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dist = Distribution({'name': 'xx', 'ext_modules': modules})
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cmd = build_ext(dist)
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cmd.ensure_finalized()
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self.assertEqual(cmd.get_source_files(), ['xxx'])
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def test_compiler_option(self):
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# cmd.compiler is an option and
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# should not be overriden by a compiler instance
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# when the command is run
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dist = Distribution()
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cmd = build_ext(dist)
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cmd.compiler = 'unix'
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cmd.ensure_finalized()
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cmd.run()
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self.assertEqual(cmd.compiler, 'unix')
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def test_get_outputs(self):
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tmp_dir = self.mkdtemp()
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c_file = os.path.join(tmp_dir, 'foo.c')
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self.write_file(c_file, 'void initfoo(void) {};\n')
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ext = Extension('foo', [c_file])
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dist = Distribution({'name': 'xx',
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'ext_modules': [ext]})
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cmd = build_ext(dist)
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self._fixup_command(cmd)
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cmd.ensure_finalized()
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self.assertEqual(len(cmd.get_outputs()), 1)
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if os.name == "nt":
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cmd.debug = sys.executable.endswith("_d.exe")
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cmd.build_lib = os.path.join(self.tmp_dir, 'build')
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cmd.build_temp = os.path.join(self.tmp_dir, 'tempt')
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# issue #5977 : distutils build_ext.get_outputs
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# returns wrong result with --inplace
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other_tmp_dir = os.path.realpath(self.mkdtemp())
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old_wd = os.getcwd()
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os.chdir(other_tmp_dir)
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try:
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cmd.inplace = 1
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cmd.run()
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so_file = cmd.get_outputs()[0]
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finally:
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os.chdir(old_wd)
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self.assertTrue(os.path.exists(so_file))
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self.assertEqual(os.path.splitext(so_file)[-1],
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sysconfig.get_config_var('SO'))
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so_dir = os.path.dirname(so_file)
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self.assertEqual(so_dir, other_tmp_dir)
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cmd.compiler = None
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cmd.inplace = 0
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cmd.run()
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so_file = cmd.get_outputs()[0]
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self.assertTrue(os.path.exists(so_file))
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self.assertEqual(os.path.splitext(so_file)[-1],
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sysconfig.get_config_var('SO'))
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so_dir = os.path.dirname(so_file)
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self.assertEqual(so_dir, cmd.build_lib)
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# inplace = 0, cmd.package = 'bar'
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build_py = cmd.get_finalized_command('build_py')
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build_py.package_dir = {'': 'bar'}
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path = cmd.get_ext_fullpath('foo')
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# checking that the last directory is the build_dir
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path = os.path.split(path)[0]
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self.assertEqual(path, cmd.build_lib)
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# inplace = 1, cmd.package = 'bar'
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cmd.inplace = 1
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other_tmp_dir = os.path.realpath(self.mkdtemp())
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old_wd = os.getcwd()
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os.chdir(other_tmp_dir)
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try:
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path = cmd.get_ext_fullpath('foo')
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finally:
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os.chdir(old_wd)
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# checking that the last directory is bar
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path = os.path.split(path)[0]
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lastdir = os.path.split(path)[-1]
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self.assertEqual(lastdir, 'bar')
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def test_ext_fullpath(self):
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ext = sysconfig.get_config_vars()['SO']
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dist = Distribution()
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cmd = build_ext(dist)
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cmd.inplace = 1
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cmd.distribution.package_dir = {'': 'src'}
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cmd.distribution.packages = ['lxml', 'lxml.html']
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curdir = os.getcwd()
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wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext)
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path = cmd.get_ext_fullpath('lxml.etree')
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self.assertEqual(wanted, path)
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# building lxml.etree not inplace
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cmd.inplace = 0
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cmd.build_lib = os.path.join(curdir, 'tmpdir')
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wanted = os.path.join(curdir, 'tmpdir', 'lxml', 'etree' + ext)
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path = cmd.get_ext_fullpath('lxml.etree')
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self.assertEqual(wanted, path)
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# building twisted.runner.portmap not inplace
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build_py = cmd.get_finalized_command('build_py')
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build_py.package_dir = {}
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cmd.distribution.packages = ['twisted', 'twisted.runner.portmap']
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path = cmd.get_ext_fullpath('twisted.runner.portmap')
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wanted = os.path.join(curdir, 'tmpdir', 'twisted', 'runner',
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'portmap' + ext)
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self.assertEqual(wanted, path)
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# building twisted.runner.portmap inplace
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cmd.inplace = 1
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path = cmd.get_ext_fullpath('twisted.runner.portmap')
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wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext)
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self.assertEqual(wanted, path)
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def test_build_ext_inplace(self):
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etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c')
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etree_ext = Extension('lxml.etree', [etree_c])
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dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]})
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cmd = build_ext(dist)
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cmd.ensure_finalized()
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cmd.inplace = 1
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cmd.distribution.package_dir = {'': 'src'}
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cmd.distribution.packages = ['lxml', 'lxml.html']
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curdir = os.getcwd()
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ext = sysconfig.get_config_var("SO")
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wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext)
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path = cmd.get_ext_fullpath('lxml.etree')
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self.assertEqual(wanted, path)
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def test_setuptools_compat(self):
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import distutils.core, distutils.extension, distutils.command.build_ext
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saved_ext = distutils.extension.Extension
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try:
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# on some platforms, it loads the deprecated "dl" module
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test_support.import_module('setuptools_build_ext', deprecated=True)
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# theses import patch Distutils' Extension class
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from setuptools_build_ext import build_ext as setuptools_build_ext
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from setuptools_extension import Extension
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etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c')
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etree_ext = Extension('lxml.etree', [etree_c])
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dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]})
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cmd = setuptools_build_ext(dist)
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cmd.ensure_finalized()
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cmd.inplace = 1
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cmd.distribution.package_dir = {'': 'src'}
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cmd.distribution.packages = ['lxml', 'lxml.html']
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curdir = os.getcwd()
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ext = sysconfig.get_config_var("SO")
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wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext)
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path = cmd.get_ext_fullpath('lxml.etree')
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self.assertEqual(wanted, path)
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finally:
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# restoring Distutils' Extension class otherwise its broken
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distutils.extension.Extension = saved_ext
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distutils.core.Extension = saved_ext
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distutils.command.build_ext.Extension = saved_ext
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def test_build_ext_path_with_os_sep(self):
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dist = Distribution({'name': 'UpdateManager'})
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cmd = build_ext(dist)
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cmd.ensure_finalized()
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ext = sysconfig.get_config_var("SO")
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ext_name = os.path.join('UpdateManager', 'fdsend')
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ext_path = cmd.get_ext_fullpath(ext_name)
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wanted = os.path.join(cmd.build_lib, 'UpdateManager', 'fdsend' + ext)
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self.assertEqual(ext_path, wanted)
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def test_build_ext_path_cross_platform(self):
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if sys.platform != 'win32':
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return
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dist = Distribution({'name': 'UpdateManager'})
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cmd = build_ext(dist)
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cmd.ensure_finalized()
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ext = sysconfig.get_config_var("SO")
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# this needs to work even under win32
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ext_name = 'UpdateManager/fdsend'
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ext_path = cmd.get_ext_fullpath(ext_name)
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wanted = os.path.join(cmd.build_lib, 'UpdateManager', 'fdsend' + ext)
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self.assertEqual(ext_path, wanted)
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@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
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def test_deployment_target_default(self):
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# Issue 9516: Test that, in the absence of the environment variable,
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# an extension module is compiled with the same deployment target as
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# the interpreter.
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self._try_compile_deployment_target('==', None)
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@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
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def test_deployment_target_too_low(self):
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# Issue 9516: Test that an extension module is not allowed to be
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# compiled with a deployment target less than that of the interpreter.
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self.assertRaises(DistutilsPlatformError,
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self._try_compile_deployment_target, '>', '10.1')
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@unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX')
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def test_deployment_target_higher_ok(self):
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# Issue 9516: Test that an extension module can be compiled with a
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# deployment target higher than that of the interpreter: the ext
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# module may depend on some newer OS feature.
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deptarget = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
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if deptarget:
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# increment the minor version number (i.e. 10.6 -> 10.7)
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deptarget = [int(x) for x in deptarget.split('.')]
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deptarget[-1] += 1
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deptarget = '.'.join(str(i) for i in deptarget)
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self._try_compile_deployment_target('<', deptarget)
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def _try_compile_deployment_target(self, operator, target):
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orig_environ = os.environ
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os.environ = orig_environ.copy()
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self.addCleanup(setattr, os, 'environ', orig_environ)
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|
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if target is None:
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if os.environ.get('MACOSX_DEPLOYMENT_TARGET'):
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del os.environ['MACOSX_DEPLOYMENT_TARGET']
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else:
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os.environ['MACOSX_DEPLOYMENT_TARGET'] = target
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|
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deptarget_c = os.path.join(self.tmp_dir, 'deptargetmodule.c')
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|
|
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with open(deptarget_c, 'w') as fp:
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fp.write(textwrap.dedent('''\
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#include <AvailabilityMacros.h>
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|
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int dummy;
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|
|
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#if TARGET %s MAC_OS_X_VERSION_MIN_REQUIRED
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#else
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#error "Unexpected target"
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#endif
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|
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''' % operator))
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|
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# get the deployment target that the interpreter was built with
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target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET')
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target = tuple(map(int, target.split('.')))
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target = '%02d%01d0' % target
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deptarget_ext = Extension(
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'deptarget',
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|
[deptarget_c],
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extra_compile_args=['-DTARGET=%s'%(target,)],
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|
)
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|
dist = Distribution({
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|
'name': 'deptarget',
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|
'ext_modules': [deptarget_ext]
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|
})
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|
dist.package_dir = self.tmp_dir
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|
cmd = build_ext(dist)
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|
cmd.build_lib = self.tmp_dir
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|
cmd.build_temp = self.tmp_dir
|
|
|
|
try:
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|
old_stdout = sys.stdout
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|
cmd.ensure_finalized()
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|
cmd.run()
|
|
|
|
except CompileError:
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|
self.fail("Wrong deployment target during compilation")
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|
|
|
def test_suite():
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|
return unittest.makeSuite(BuildExtTestCase)
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|
|
|
if __name__ == '__main__':
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|
test_support.run_unittest(test_suite())
|