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import sys
import os
import tempfile
import shutil
from StringIO import StringIO
from distutils.core import Extension, Distribution
from distutils.command.build_ext import build_ext
from distutils import sysconfig
from distutils.tests import support
from distutils.errors import DistutilsSetupError
import unittest
from test import test_support
# http://bugs.python.org/issue4373
# Don't load the xx module more than once.
ALREADY_TESTED = False
class BuildExtTestCase(support.TempdirManager,
support.LoggingSilencer,
unittest.TestCase):
def setUp(self):
# Create a simple test environment
# Note that we're making changes to sys.path
super(BuildExtTestCase, self).setUp()
self.tmp_dir = tempfile.mkdtemp(prefix="pythontest_")
self.sys_path = sys.path[:]
sys.path.append(self.tmp_dir)
xx_c = os.path.join(sysconfig.project_base, 'Modules', 'xxmodule.c')
shutil.copy(xx_c, self.tmp_dir)
def test_build_ext(self):
global ALREADY_TESTED
xx_c = os.path.join(self.tmp_dir, 'xxmodule.c')
xx_ext = Extension('xx', [xx_c])
dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
dist.package_dir = self.tmp_dir
cmd = build_ext(dist)
if os.name == "nt":
# On Windows, we must build a debug version iff running
# a debug build of Python
cmd.debug = sys.executable.endswith("_d.exe")
cmd.build_lib = self.tmp_dir
cmd.build_temp = self.tmp_dir
old_stdout = sys.stdout
if not test_support.verbose:
# silence compiler output
sys.stdout = StringIO()
try:
cmd.ensure_finalized()
cmd.run()
finally:
sys.stdout = old_stdout
if ALREADY_TESTED:
return
else:
ALREADY_TESTED = True
import xx
for attr in ('error', 'foo', 'new', 'roj'):
self.assert_(hasattr(xx, attr))
self.assertEquals(xx.foo(2, 5), 7)
self.assertEquals(xx.foo(13,15), 28)
self.assertEquals(xx.new().demo(), None)
doc = 'This is a template module just for instruction.'
self.assertEquals(xx.__doc__, doc)
self.assert_(isinstance(xx.Null(), xx.Null))
self.assert_(isinstance(xx.Str(), xx.Str))
def tearDown(self):
# Get everything back to normal
test_support.unload('xx')
sys.path = self.sys_path
# XXX on Windows the test leaves a directory with xx module in TEMP
shutil.rmtree(self.tmp_dir, os.name == 'nt' or sys.platform == 'cygwin')
super(BuildExtTestCase, self).tearDown()
def test_solaris_enable_shared(self):
dist = Distribution({'name': 'xx'})
cmd = build_ext(dist)
old = sys.platform
sys.platform = 'sunos' # fooling finalize_options
from distutils.sysconfig import _config_vars
old_var = _config_vars.get('Py_ENABLE_SHARED')
_config_vars['Py_ENABLE_SHARED'] = 1
try:
cmd.ensure_finalized()
finally:
sys.platform = old
if old_var is None:
del _config_vars['Py_ENABLE_SHARED']
else:
_config_vars['Py_ENABLE_SHARED'] = old_var
# make sur we get some lobrary dirs under solaris
self.assert_(len(cmd.library_dirs) > 0)
def test_finalize_options(self):
# Make sure Python's include directories (for Python.h, pyconfig.h,
# etc.) are in the include search path.
modules = [Extension('foo', ['xxx'])]
dist = Distribution({'name': 'xx', 'ext_modules': modules})
cmd = build_ext(dist)
cmd.finalize_options()
from distutils import sysconfig
py_include = sysconfig.get_python_inc()
self.assert_(py_include in cmd.include_dirs)
plat_py_include = sysconfig.get_python_inc(plat_specific=1)
self.assert_(plat_py_include in cmd.include_dirs)
# make sure cmd.libraries is turned into a list
# if it's a string
cmd = build_ext(dist)
cmd.libraries = 'my_lib'
cmd.finalize_options()
self.assertEquals(cmd.libraries, ['my_lib'])
# make sure cmd.library_dirs is turned into a list
# if it's a string
cmd = build_ext(dist)
cmd.library_dirs = 'my_lib_dir'
cmd.finalize_options()
self.assertEquals(cmd.library_dirs, ['my_lib_dir'])
# make sure rpath is turned into a list
# if it's a list of os.pathsep's paths
cmd = build_ext(dist)
cmd.rpath = os.pathsep.join(['one', 'two'])
cmd.finalize_options()
self.assertEquals(cmd.rpath, ['one', 'two'])
# XXX more tests to perform for win32
# make sure define is turned into 2-tuples
# strings if they are ','-separated strings
cmd = build_ext(dist)
cmd.define = 'one,two'
cmd.finalize_options()
self.assertEquals(cmd.define, [('one', '1'), ('two', '1')])
# make sure undef is turned into a list of
# strings if they are ','-separated strings
cmd = build_ext(dist)
cmd.undef = 'one,two'
cmd.finalize_options()
self.assertEquals(cmd.undef, ['one', 'two'])
# make sure swig_opts is turned into a list
cmd = build_ext(dist)
cmd.swig_opts = None
cmd.finalize_options()
self.assertEquals(cmd.swig_opts, [])
cmd = build_ext(dist)
cmd.swig_opts = '1 2'
cmd.finalize_options()
self.assertEquals(cmd.swig_opts, ['1', '2'])
def test_check_extensions_list(self):
dist = Distribution()
cmd = build_ext(dist)
cmd.finalize_options()
#'extensions' option must be a list of Extension instances
self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, 'foo')
# each element of 'ext_modules' option must be an
# Extension instance or 2-tuple
exts = [('bar', 'foo', 'bar'), 'foo']
self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
# first element of each tuple in 'ext_modules'
# must be the extension name (a string) and match
# a python dotted-separated name
exts = [('foo-bar', '')]
self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
# second element of each tuple in 'ext_modules'
# must be a ary (build info)
exts = [('foo.bar', '')]
self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
# ok this one should pass
exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
'some': 'bar'})]
cmd.check_extensions_list(exts)
ext = exts[0]
self.assert_(isinstance(ext, Extension))
# check_extensions_list adds in ext the values passed
# when they are in ('include_dirs', 'library_dirs', 'libraries'
# 'extra_objects', 'extra_compile_args', 'extra_link_args')
self.assertEquals(ext.libraries, 'foo')
self.assert_(not hasattr(ext, 'some'))
# 'macros' element of build info dict must be 1- or 2-tuple
exts = [('foo.bar', {'sources': [''], 'libraries': 'foo',
'some': 'bar', 'macros': [('1', '2', '3'), 'foo']})]
self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts)
exts[0][1]['macros'] = [('1', '2'), ('3',)]
cmd.check_extensions_list(exts)
self.assertEquals(exts[0].undef_macros, ['3'])
self.assertEquals(exts[0].define_macros, [('1', '2')])
def test_get_source_files(self):
modules = [Extension('foo', ['xxx'])]
dist = Distribution({'name': 'xx', 'ext_modules': modules})
cmd = build_ext(dist)
cmd.ensure_finalized()
self.assertEquals(cmd.get_source_files(), ['xxx'])
def test_get_outputs(self):
modules = [Extension('foo', ['xxx'])]
dist = Distribution({'name': 'xx', 'ext_modules': modules})
cmd = build_ext(dist)
cmd.ensure_finalized()
self.assertEquals(len(cmd.get_outputs()), 1)
def test_suite():
if not sysconfig.python_build:
if test_support.verbose:
print 'test_build_ext: The test must be run in a python build dir'
return unittest.TestSuite()
else: return unittest.makeSuite(BuildExtTestCase)
if __name__ == '__main__':
test_support.run_unittest(test_suite())
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