summaryrefslogtreecommitdiffstats
path: root/Lib/distutils/tests/test_build_ext.py
blob: 64ca6505c167cb337863cf6aa108b30a525f9e53 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
import sys
import os
import tempfile
import shutil
from io import StringIO

from distutils.core import Extension, Distribution
from distutils.command.build_ext import build_ext
from distutils import sysconfig
from distutils.tests.support import TempdirManager
from distutils.tests.support import LoggingSilencer
from distutils.extension import Extension
from distutils.errors import (UnknownFileError, DistutilsSetupError,
                              CompileError)

import unittest
from test import support

# http://bugs.python.org/issue4373
# Don't load the xx module more than once.
ALREADY_TESTED = False

def _get_source_filename():
    srcdir = sysconfig.get_config_var('srcdir')
    return os.path.join(srcdir, 'Modules', 'xxmodule.c')

class BuildExtTestCase(TempdirManager,
                       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 = self.mkdtemp()
        self.sys_path = sys.path[:]
        sys.path.append(self.tmp_dir)
        shutil.copy(_get_source_filename(), self.tmp_dir)
        if sys.version > "2.6":
            import site
            self.old_user_base = site.USER_BASE
            site.USER_BASE = self.mkdtemp()
            from distutils.command import build_ext
            build_ext.USER_BASE = site.USER_BASE

    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 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
        support.unload('xx')
        sys.path = self.sys_path
        if sys.version > "2.6":
            import site
            site.USER_BASE = self.old_user_base
            from distutils.command import build_ext
            build_ext.USER_BASE = self.old_user_base
        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 sure we get some library dirs under solaris
        self.assert_(len(cmd.library_dirs) > 0)

    def test_user_site(self):
        # site.USER_SITE was introduced in 2.6
        if sys.version < '2.6':
            return

        import site
        dist = Distribution({'name': 'xx'})
        cmd = build_ext(dist)

        # making sure the user option is there
        options = [name for name, short, lable in
                   cmd.user_options]
        self.assert_('user' in options)

        # setting a value
        cmd.user = 1

        # setting user based lib and include
        lib = os.path.join(site.USER_BASE, 'lib')
        incl = os.path.join(site.USER_BASE, 'include')
        os.mkdir(lib)
        os.mkdir(incl)

        # let's run finalize
        cmd.ensure_finalized()

        # see if include_dirs and library_dirs
        # were set
        self.assert_(lib in cmd.library_dirs)
        self.assert_(lib in cmd.rpath)
        self.assert_(incl in cmd.include_dirs)

    def test_optional_extension(self):

        # this extension will fail, but let's ignore this failure
        # with the optional argument.
        modules = [Extension('foo', ['xxx'], optional=False)]
        dist = Distribution({'name': 'xx', 'ext_modules': modules})
        cmd = build_ext(dist)
        cmd.ensure_finalized()
        self.assertRaises((UnknownFileError, CompileError),
                          cmd.run)  # should raise an error

        modules = [Extension('foo', ['xxx'], optional=True)]
        dist = Distribution({'name': 'xx', 'ext_modules': modules})
        cmd = build_ext(dist)
        cmd.ensure_finalized()
        cmd.run()  # should pass

    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'], optional=False)]
        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.assert_('my_lib_dir' in cmd.library_dirs)

        # 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'], optional=False)]
        dist = Distribution({'name': 'xx', 'ext_modules': modules})
        cmd = build_ext(dist)
        cmd.ensure_finalized()
        self.assertEquals(cmd.get_source_files(), ['xxx'])

    def test_compiler_option(self):
        # cmd.compiler is an option and
        # should not be overriden by a compiler instance
        # when the command is run
        dist = Distribution()
        cmd = build_ext(dist)
        cmd.compiler = 'unix'
        cmd.ensure_finalized()
        cmd.run()
        self.assertEquals(cmd.compiler, 'unix')

    def test_get_outputs(self):
        tmp_dir = self.mkdtemp()
        c_file = os.path.join(tmp_dir, 'foo.c')
        self.write_file(c_file, 'void initfoo(void) {};\n')
        ext = Extension('foo', [c_file], optional=False)
        dist = Distribution({'name': 'xx',
                             'ext_modules': [ext]})
        cmd = build_ext(dist)
        cmd.ensure_finalized()
        self.assertEquals(len(cmd.get_outputs()), 1)

        if os.name == "nt":
            cmd.debug = sys.executable.endswith("_d.exe")

        cmd.build_lib = os.path.join(self.tmp_dir, 'build')
        cmd.build_temp = os.path.join(self.tmp_dir, 'tempt')

        # issue #5977 : distutils build_ext.get_outputs
        # returns wrong result with --inplace
        cmd.inplace = 1
        cmd.run()
        so_file = cmd.get_outputs()[0]
        self.assert_(os.path.exists(so_file))
        so_dir = os.path.dirname(so_file)
        self.assertEquals(so_dir, os.getcwd())

        cmd.inplace = 0
        cmd.run()
        so_file = cmd.get_outputs()[0]
        self.assert_(os.path.exists(so_file))
        so_dir = os.path.dirname(so_file)
        self.assertEquals(so_dir, cmd.build_lib)

def test_suite():
    src = _get_source_filename()
    if not os.path.exists(src):
        if support.verbose:
            print('test_build_ext: Cannot find source code (test'
                  ' must run in python build dir)')
        return unittest.TestSuite()
    else: return unittest.makeSuite(BuildExtTestCase)

if __name__ == '__main__':
    support.run_unittest(test_suite())