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Factor out the build_ext fixup for shared Python builds. 

I need this to fix the failing test_install.
This commit is contained in:
Éric Araujo 2011-08-21 17:02:07 +02:00
parent fba5a94342
commit e74e3cf1e1
2 changed files with 33 additions and 25 deletions
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27
Lib/distutils/tests/support.py
View File

@ -1,5 +1,6 @@
"""Support code for distutils test cases."""
import os
import sys
import shutil
import tempfile
import unittest
@ -165,3 +166,29 @@ def _get_xxmodule_path():
for path in candidates:
if os.path.exists(path):
return path
def fixup_build_ext(cmd):
"""Function needed to make build_ext tests pass on shared builds.
When Python was build with --enable-shared, -L. is not good enough to find
the libpython<blah>.so. This is because regrtest runs it under a tempdir,
not in the top level where the .so lives. By the time we've gotten here,
Python's already been chdir'd to the tempdir. This function work arounds
that. Example use:
cmd = build_ext(dist)
support.fixup_build_ext(cmd)
cmd.ensure_finalized()
"""
# To further add to the fun, we can't just add library_dirs to the
# Extension() instance because that doesn't get plumbed through to the
# final compiler command.
if (sysconfig.get_config_var('Py_ENABLE_SHARED') and
not sys.platform.startswith('win')):
runshared = sysconfig.get_config_var('RUNSHARED')
if runshared is None:
cmd.library_dirs = ['.']
else:
name, equals, value = runshared.partition('=')
cmd.library_dirs = value.split(os.pathsep)

31
Lib/distutils/tests/test_build_ext.py
View File

@ -7,7 +7,7 @@ from distutils.core import Distribution
from distutils.command.build_ext import build_ext
from distutils import sysconfig
from distutils.tests.support import (TempdirManager, LoggingSilencer,
copy_xxmodule_c)
copy_xxmodule_c, fixup_build_ext)
from distutils.extension import Extension
from distutils.errors import (
CompileError, DistutilsPlatformError, DistutilsSetupError,
@ -38,25 +38,6 @@ class BuildExtTestCase(TempdirManager,
from distutils.command import build_ext
build_ext.USER_BASE = site.USER_BASE
def _fixup_command(self, cmd):
# When Python was build with --enable-shared, -L. is not good enough
# to find the libpython<blah>.so. This is because regrtest runs it
# under a tempdir, not in the top level where the .so lives. By the
# time we've gotten here, Python's already been chdir'd to the
# tempdir.
#
# To further add to the fun, we can't just add library_dirs to the
# Extension() instance because that doesn't get plumbed through to the
# final compiler command.
if (sysconfig.get_config_var('Py_ENABLE_SHARED') and
not sys.platform.startswith('win')):
runshared = sysconfig.get_config_var('RUNSHARED')
if runshared is None:
cmd.library_dirs = ['.']
else:
name, equals, value = runshared.partition('=')
cmd.library_dirs = value.split(os.pathsep)
def test_build_ext(self):
global ALREADY_TESTED
copy_xxmodule_c(self.tmp_dir)
@ -65,7 +46,7 @@ class BuildExtTestCase(TempdirManager,
dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]})
dist.package_dir = self.tmp_dir
cmd = build_ext(dist)
self._fixup_command(cmd)
fixup_build_ext(cmd)
if os.name == "nt":
# On Windows, we must build a debug version iff running
# a debug build of Python
@ -162,9 +143,9 @@ class BuildExtTestCase(TempdirManager,
# see if include_dirs and library_dirs
# were set
self.assertTrue(lib in cmd.library_dirs)
self.assertTrue(lib in cmd.rpath)
self.assertTrue(incl in cmd.include_dirs)
self.assertIn(lib, cmd.library_dirs)
self.assertIn(lib, cmd.rpath)
self.assertIn(incl, cmd.include_dirs)
def test_optional_extension(self):
@ -320,7 +301,7 @@ class BuildExtTestCase(TempdirManager,
dist = Distribution({'name': 'xx',
'ext_modules': [ext]})
cmd = build_ext(dist)
self._fixup_command(cmd)
fixup_build_ext(cmd)
cmd.ensure_finalized()
self.assertEqual(len(cmd.get_outputs()), 1)