diff options
Diffstat (limited to 'setup.py')
| -rw-r--r-- | setup.py | 40 |
1 files changed, 31 insertions, 9 deletions
@@ -10,18 +10,33 @@ import sys from distutils.command.build_ext import build_ext from distutils.errors import (CCompilerError, DistutilsExecError, DistutilsPlatformError) + +has_feature = False try: - from setuptools import setup, Extension, Feature - has_setuptools = True + from setuptools import setup, Extension + try: + # see + # https://bitbucket.org/pypa/setuptools/issue/65/deprecate-and-remove-features, + # where they may remove Feature. + from setuptools import Feature + has_feature = True + except ImportError: + pass except ImportError: - has_setuptools = False from distutils.core import setup, Extension - Feature = None -cmdclass = {} -pypy = hasattr(sys, 'pypy_version_info') -jython = sys.platform.startswith('java') +try: + import platform +except ImportError: + pypy = hasattr(sys, 'pypy_version_info') + jython = sys.platform.startswith('java') + cpython = not pypy and not jython +else: + cpython = platform.python_implementation() == 'CPython' + py3k = False + +cmdclass = {} extra = {} if sys.version_info < (2, 6): raise Exception("SQLAlchemy requires Python 2.6 or higher.") @@ -100,7 +115,7 @@ r_file.close() def run_setup(with_cext): kwargs = extra.copy() if with_cext: - if Feature: + if has_feature: kwargs['features'] = {'cextensions': Feature( "optional C speed-enhancements", standard=True, @@ -137,13 +152,20 @@ def run_setup(with_cext): **kwargs ) -if pypy or jython: +if not cpython: run_setup(False) status_msgs( "WARNING: C extensions are not supported on " + "this Python platform, speedups are not enabled.", "Plain-Python build succeeded." ) +elif os.environ.get('DISABLE_SQLALCHEMY_CEXT'): + run_setup(False) + status_msgs( + "DISABLE_SQLALCHEMY_CEXT is set; not attempting to build C extensions.", + "Plain-Python build succeeded." + ) + else: try: run_setup(True) |