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-rw-r--r--setuptools/command/build_ext.py58
1 files changed, 29 insertions, 29 deletions
diff --git a/setuptools/command/build_ext.py b/setuptools/command/build_ext.py
index 53bf9cd3..e4b2c593 100644
--- a/setuptools/command/build_ext.py
+++ b/setuptools/command/build_ext.py
@@ -6,6 +6,7 @@ from distutils.errors import DistutilsError
from distutils import log
import os
import sys
+import itertools
from setuptools.extension import Library
@@ -33,18 +34,13 @@ if sys.platform == "darwin":
use_stubs = True
elif os.name != 'nt':
try:
- from dl import RTLD_NOW
-
- have_rtld = True
- use_stubs = True
+ import dl
+ use_stubs = have_rtld = hasattr(dl, 'RTLD_NOW')
except ImportError:
pass
-def if_dl(s):
- if have_rtld:
- return s
- return ''
+if_dl = lambda s: s if have_rtld else ''
class build_ext(_build_ext):
@@ -123,10 +119,10 @@ class build_ext(_build_ext):
# XXX what to do with conflicts?
self.ext_map[fullname.split('.')[-1]] = ext
- ltd = ext._links_to_dynamic = \
- self.shlibs and self.links_to_dynamic(ext) or False
- ext._needs_stub = ltd and use_stubs and not isinstance(ext,
- Library)
+ ltd = self.shlibs and self.links_to_dynamic(ext) or False
+ ns = ltd and use_stubs and not isinstance(ext, Library)
+ ext._links_to_dynamic = ltd
+ ext._needs_stub = ns
filename = ext._file_name = self.get_ext_filename(fullname)
libdir = os.path.dirname(os.path.join(self.build_lib, filename))
if ltd and libdir not in ext.library_dirs:
@@ -186,9 +182,8 @@ class build_ext(_build_ext):
self.compiler = self.shlib_compiler
_build_ext.build_extension(self, ext)
if ext._needs_stub:
- self.write_stub(
- self.get_finalized_command('build_py').build_lib, ext
- )
+ cmd = self.get_finalized_command('build_py').build_lib
+ self.write_stub(cmd, ext)
finally:
self.compiler = _compiler
@@ -199,22 +194,27 @@ class build_ext(_build_ext):
# XXX static-compiled version
libnames = dict.fromkeys([lib._full_name for lib in self.shlibs])
pkg = '.'.join(ext._full_name.split('.')[:-1] + [''])
- for libname in ext.libraries:
- if pkg + libname in libnames:
- return True
- return False
+ return any(pkg + libname in libnames for libname in ext.libraries)
def get_outputs(self):
- outputs = _build_ext.get_outputs(self)
- optimize = self.get_finalized_command('build_py').optimize
- for ext in self.extensions:
- if ext._needs_stub:
- base = os.path.join(self.build_lib, *ext._full_name.split('.'))
- outputs.append(base + '.py')
- outputs.append(base + '.pyc')
- if optimize:
- outputs.append(base + '.pyo')
- return outputs
+ return _build_ext.get_outputs(self) + self.__get_stubs_outputs()
+
+ def __get_stubs_outputs(self):
+ # assemble the base name for each extension that needs a stub
+ ns_ext_bases = (
+ os.path.join(self.build_lib, *ext._full_name.split('.'))
+ for ext in self.extensions
+ if ext._needs_stub
+ )
+ # pair each base with the extension
+ pairs = itertools.product(ns_ext_bases, self.__get_output_extensions())
+ return list(base + fnext for base, fnext in pairs)
+
+ def __get_output_extensions(self):
+ yield '.py'
+ yield '.pyc'
+ if self.get_finalized_command('build_py').optimize:
+ yield '.pyo'
def write_stub(self, output_dir, ext, compile=False):
log.info("writing stub loader for %s to %s", ext._full_name,