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from distutils.command.build_ext import build_ext
from distutils.errors import CCompilerError
from distutils.errors import DistutilsExecError
from distutils.errors import DistutilsPlatformError
import os
import platform
import re
import sys
from setuptools import Distribution as _Distribution
from setuptools import Extension
from setuptools import find_packages
from setuptools import setup
from setuptools.command.test import test as TestCommand
cmdclass = {}
if sys.version_info < (2, 7):
raise Exception("SQLAlchemy requires Python 2.7 or higher.")
cpython = platform.python_implementation() == "CPython"
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
class Distribution(_Distribution):
def has_ext_modules(self):
# We want to always claim that we have ext_modules. This will be fine
# if we don't actually have them (such as on PyPy) because nothing
# will get built, however we don't want to provide an overally broad
# Wheel package when building a wheel without C support. This will
# ensure that Wheel knows to treat us as if the build output is
# platform specific.
return True
class PyTest(TestCommand):
# from http://pytest.org/latest/goodpractices.html\
# #integrating-with-setuptools-python-setup-py-test-pytest-runner
# TODO: prefer pytest-runner package at some point, however it was
# not working at the time of this comment.
user_options = [("pytest-args=", "a", "Arguments to pass to py.test")]
default_options = ["-n", "4", "-q", "--nomemory"]
def initialize_options(self):
TestCommand.initialize_options(self)
self.pytest_args = ""
def finalize_options(self):
TestCommand.finalize_options(self)
self.test_args = []
self.test_suite = True
def run_tests(self):
import shlex
# import here, cause outside the eggs aren't loaded
import pytest
errno = pytest.main(
self.default_options + shlex.split(self.pytest_args)
)
sys.exit(errno)
cmdclass["test"] = PyTest
def status_msgs(*msgs):
print("*" * 75)
for msg in msgs:
print(msg)
print("*" * 75)
with open(
os.path.join(os.path.dirname(__file__), "lib", "sqlalchemy", "__init__.py")
) as v_file:
VERSION = (
re.compile(r""".*__version__ = ["'](.*?)['"]""", re.S)
.match(v_file.read())
.group(1)
)
with open(os.path.join(os.path.dirname(__file__), "README.rst")) as r_file:
readme = r_file.read()
def run_setup(with_cext):
kwargs = {}
if with_cext:
kwargs["ext_modules"] = ext_modules
else:
kwargs["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=[
"pytest>=2.5.2,!=3.9.1,!=3.9.2",
"mock",
"pytest-xdist",
],
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 :: PyPy",
"Topic :: Database :: Front-Ends",
"Operating System :: OS Independent",
],
distclass=Distribution,
extras_require={
"mysql": ["mysqlclient"],
"pymysql": ["pymysql"],
"postgresql": ["psycopg2"],
"postgresql_psycopg2binary": ["psycopg2-binary"],
"postgresql_pg8000": ["pg8000"],
"postgresql_psycopg2cffi": ["psycopg2cffi"],
"oracle": ["cx_oracle"],
"mssql_pyodbc": ["pyodbc"],
"mssql_pymssql": ["pymssql"],
},
**kwargs
)
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)
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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