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"""setup.py
Please see README for basic installation instructions.
"""
import os
import re
import sys
from distutils.command.build_ext import build_ext
from distutils.errors import (CCompilerError, DistutilsExecError,
DistutilsPlatformError)
try:
from setuptools import setup, Extension, Feature
has_setuptools = True
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')
py3k = False
extra = {}
if sys.version_info < (2, 6):
raise Exception("SQLAlchemy requires Python 2.6 or higher.")
elif sys.version_info >= (3, 0):
py3k = True
ext_modules = [
Extension('sqlalchemy.cprocessors',
sources=['lib/sqlalchemy/cextension/processors.c']),
Extension('sqlalchemy.cresultproxy',
sources=['lib/sqlalchemy/cextension/resultproxy.c']),
Extension('sqlalchemy.cutils',
sources=['lib/sqlalchemy/cextension/utils.c'])
]
ext_errors = (CCompilerError, DistutilsExecError, DistutilsPlatformError)
if sys.platform == 'win32':
# 2.6's distutils.msvc9compiler can raise an IOError when failing to
# find the compiler
ext_errors += (IOError,)
class BuildFailed(Exception):
def __init__(self):
self.cause = sys.exc_info()[1] # work around py 2/3 different syntax
class ve_build_ext(build_ext):
# This class allows C extension building to fail.
def run(self):
try:
build_ext.run(self)
except DistutilsPlatformError:
raise BuildFailed()
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except ext_errors:
raise BuildFailed()
except ValueError:
# this can happen on Windows 64 bit, see Python issue 7511
if "'path'" in str(sys.exc_info()[1]): # works with both py 2/3
raise BuildFailed()
raise
cmdclass['build_ext'] = ve_build_ext
def status_msgs(*msgs):
print('*' * 75)
for msg in msgs:
print(msg)
print('*' * 75)
def find_packages(location):
packages = []
for pkg in ['sqlalchemy']:
for _dir, subdirectories, files in (
os.walk(os.path.join(location, pkg))):
if '__init__.py' in files:
tokens = _dir.split(os.sep)[len(location.split(os.sep)):]
packages.append(".".join(tokens))
return packages
v_file = open(os.path.join(os.path.dirname(__file__),
'lib', 'sqlalchemy', '__init__.py'))
VERSION = re.compile(r".*__version__ = '(.*?)'",
re.S).match(v_file.read()).group(1)
v_file.close()
r_file = open(os.path.join(os.path.dirname(__file__), 'README.rst'))
readme = r_file.read()
r_file.close()
def run_setup(with_cext):
kwargs = extra.copy()
if with_cext:
if Feature:
kwargs['features'] = {'cextensions': Feature(
"optional C speed-enhancements",
standard=True,
ext_modules=ext_modules
)}
else:
kwargs['ext_modules'] = ext_modules
setup(name="SQLAlchemy",
version=VERSION,
description="Database Abstraction Library",
author="Mike Bayer",
author_email="mike_mp@zzzcomputing.com",
url="http://www.sqlalchemy.org",
packages=find_packages('lib'),
package_dir={'': 'lib'},
license="MIT License",
cmdclass=cmdclass,
tests_require=['nose >= 0.11', 'mock'],
test_suite="sqla_nose",
long_description=readme,
classifiers=[
"Development Status :: 5 - Production/Stable",
"Intended Audience :: Developers",
"License :: OSI Approved :: MIT License",
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: Implementation :: CPython",
"Programming Language :: Python :: Implementation :: Jython",
"Programming Language :: Python :: Implementation :: PyPy",
"Topic :: Database :: Front-Ends",
"Operating System :: OS Independent",
],
**kwargs
)
if pypy or jython or py3k:
run_setup(False)
status_msgs(
"WARNING: C extensions are not supported on " +
"this Python platform, speedups are not enabled.",
"Plain-Python build succeeded."
)
else:
try:
run_setup(True)
except BuildFailed as exc:
status_msgs(
exc.cause,
"WARNING: The C extension could not be compiled, " +
"speedups are not enabled.",
"Failure information, if any, is above.",
"Retrying the build without the C extension now."
)
run_setup(False)
status_msgs(
"WARNING: The C extension could not be compiled, " +
"speedups are not enabled.",
"Plain-Python build succeeded."
)
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