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# Copyright 2013-2016 DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import os
import sys
import warnings
if __name__ == '__main__' and sys.argv[1] == "gevent_nosetests":
print("Running gevent tests")
from gevent.monkey import patch_all
patch_all()
if __name__ == '__main__' and sys.argv[1] == "eventlet_nosetests":
print("Running eventlet tests")
from eventlet import monkey_patch
monkey_patch()
import ez_setup
ez_setup.use_setuptools()
from setuptools import setup
from distutils.command.build_ext import build_ext
from distutils.core import Extension
from distutils.errors import (CCompilerError, DistutilsPlatformError,
DistutilsExecError)
from distutils.cmd import Command
PY3 = sys.version_info[0] == 3
try:
import subprocess
has_subprocess = True
except ImportError:
has_subprocess = False
from cassandra import __version__
long_description = ""
with open("README.rst") as f:
long_description = f.read()
try:
from nose.commands import nosetests
except ImportError:
gevent_nosetests = None
eventlet_nosetests = None
else:
class gevent_nosetests(nosetests):
description = "run nosetests with gevent monkey patching"
class eventlet_nosetests(nosetests):
description = "run nosetests with eventlet monkey patching"
has_cqlengine = False
if __name__ == '__main__' and sys.argv[1] == "install":
try:
import cqlengine
has_cqlengine = True
except ImportError:
pass
PROFILING = False
class DocCommand(Command):
description = "generate or test documentation"
user_options = [("test", "t",
"run doctests instead of generating documentation")]
boolean_options = ["test"]
def initialize_options(self):
self.test = False
def finalize_options(self):
pass
def run(self):
if self.test:
path = "docs/_build/doctest"
mode = "doctest"
else:
path = "docs/_build/%s" % __version__
mode = "html"
try:
os.makedirs(path)
except:
pass
if has_subprocess:
# Prevent run with in-place extensions because cython-generated objects do not carry docstrings
# http://docs.cython.org/src/userguide/special_methods.html#docstrings
import glob
for f in glob.glob("cassandra/*.so"):
print("Removing '%s' to allow docs to run on pure python modules." %(f,))
os.unlink(f)
# Build io extension to make import and docstrings work
try:
output = subprocess.check_output(
["python", "setup.py", "build_ext", "--inplace", "--force", "--no-murmur3", "--no-cython"],
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as exc:
raise RuntimeError("Documentation step '%s' failed: %s: %s" % ("build_ext", exc, exc.output))
else:
print(output)
try:
output = subprocess.check_output(
["sphinx-build", "-b", mode, "docs", path],
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as exc:
raise RuntimeError("Documentation step '%s' failed: %s: %s" % (mode, exc, exc.output))
else:
print(output)
print("")
print("Documentation step '%s' performed, results here:" % mode)
print(" file://%s/%s/index.html" % (os.path.dirname(os.path.realpath(__file__)), path))
class BuildFailed(Exception):
def __init__(self, ext):
self.ext = ext
murmur3_ext = Extension('cassandra.cmurmur3',
sources=['cassandra/cmurmur3.c'])
libev_ext = Extension('cassandra.io.libevwrapper',
sources=['cassandra/io/libevwrapper.c'],
include_dirs=['/usr/include/libev', '/usr/local/include', '/opt/local/include'],
libraries=['ev'],
library_dirs=['/usr/local/lib', '/opt/local/lib'])
platform_unsupported_msg = \
"""
===============================================================================
The optional C extensions are not supported on this platform.
===============================================================================
"""
arch_unsupported_msg = \
"""
===============================================================================
The optional C extensions are not supported on big-endian systems.
===============================================================================
"""
pypy_unsupported_msg = \
"""
=================================================================================
Some optional C extensions are not supported in PyPy. Only murmur3 will be built.
=================================================================================
"""
is_windows = os.name == 'nt'
is_pypy = "PyPy" in sys.version
if is_pypy:
sys.stderr.write(pypy_unsupported_msg)
is_supported_platform = sys.platform != "cli" and not sys.platform.startswith("java")
is_supported_arch = sys.byteorder != "big"
if not is_supported_platform:
sys.stderr.write(platform_unsupported_msg)
elif not is_supported_arch:
sys.stderr.write(arch_unsupported_msg)
try_extensions = "--no-extensions" not in sys.argv and is_supported_platform and is_supported_arch and not os.environ.get('CASS_DRIVER_NO_EXTENSIONS')
try_murmur3 = try_extensions and "--no-murmur3" not in sys.argv
try_libev = try_extensions and "--no-libev" not in sys.argv and not is_pypy and not is_windows
try_cython = try_extensions and "--no-cython" not in sys.argv and not is_pypy and not os.environ.get('CASS_DRIVER_NO_CYTHON')
try_cython &= 'egg_info' not in sys.argv # bypass setup_requires for pip egg_info calls, which will never have --install-option"--no-cython" coming fomr pip
sys.argv = [a for a in sys.argv if a not in ("--no-murmur3", "--no-libev", "--no-cython", "--no-extensions")]
build_concurrency = int(os.environ.get('CASS_DRIVER_BUILD_CONCURRENCY', '0'))
class NoPatchExtension(Extension):
# Older versions of setuptools.extension has a static flag which is set False before our
# setup_requires lands Cython. It causes our *.pyx sources to be renamed to *.c in
# the initializer.
# The other workaround would be to manually generate sources, but that bypasses a lot
# of the niceness cythonize embodies (setup build dir, conditional build, etc).
# Newer setuptools does not have this problem because it checks for cython dynamically.
# https://bitbucket.org/pypa/setuptools/commits/714c3144e08fd01a9f61d1c88411e76d2538b2e4
def __init__(self, *args, **kwargs):
# bypass the patched init if possible
if Extension.__bases__:
base, = Extension.__bases__
base.__init__(self, *args, **kwargs)
else:
Extension.__init__(self, *args, **kwargs)
class build_extensions(build_ext):
error_message = """
===============================================================================
WARNING: could not compile %s.
The C extensions are not required for the driver to run, but they add support
for token-aware routing with the Murmur3Partitioner.
On Windows, make sure Visual Studio or an SDK is installed, and your environment
is configured to build for the appropriate architecture (matching your Python runtime).
This is often a matter of using vcvarsall.bat from your install directory, or running
from a command prompt in the Visual Studio Tools Start Menu.
===============================================================================
""" if is_windows else """
===============================================================================
WARNING: could not compile %s.
The C extensions are not required for the driver to run, but they add support
for libev and token-aware routing with the Murmur3Partitioner.
Linux users should ensure that GCC and the Python headers are available.
On Ubuntu and Debian, this can be accomplished by running:
$ sudo apt-get install build-essential python-dev
On RedHat and RedHat-based systems like CentOS and Fedora:
$ sudo yum install gcc python-devel
On OSX, homebrew installations of Python should provide the necessary headers.
libev Support
-------------
For libev support, you will also need to install libev and its headers.
On Debian/Ubuntu:
$ sudo apt-get install libev4 libev-dev
On RHEL/CentOS/Fedora:
$ sudo yum install libev libev-devel
On OSX, via homebrew:
$ brew install libev
===============================================================================
"""
def run(self):
try:
self._setup_extensions()
build_ext.run(self)
except DistutilsPlatformError as exc:
sys.stderr.write('%s\n' % str(exc))
warnings.warn(self.error_message % "C extensions.")
def build_extensions(self):
if build_concurrency > 1:
self.check_extensions_list(self.extensions)
import multiprocessing.pool
multiprocessing.pool.ThreadPool(processes=build_concurrency).map(self.build_extension, self.extensions)
else:
build_ext.build_extensions(self)
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except (CCompilerError, DistutilsExecError,
DistutilsPlatformError, IOError) as exc:
sys.stderr.write('%s\n' % str(exc))
name = "The %s extension" % (ext.name,)
warnings.warn(self.error_message % (name,))
def _setup_extensions(self):
# We defer extension setup until this command to leveraage 'setup_requires' pulling in Cython before we
# attempt to import anything
self.extensions = []
if try_murmur3:
self.extensions.append(murmur3_ext)
if try_libev:
self.extensions.append(libev_ext)
if try_cython:
try:
from Cython.Build import cythonize
cython_candidates = ['cluster', 'concurrent', 'connection', 'cqltypes', 'metadata',
'pool', 'protocol', 'query', 'util']
compile_args = [] if is_windows else ['-Wno-unused-function']
self.extensions.extend(cythonize(
[Extension('cassandra.%s' % m, ['cassandra/%s.py' % m],
extra_compile_args=compile_args)
for m in cython_candidates],
nthreads=build_concurrency,
exclude_failures=True))
self.extensions.extend(cythonize(NoPatchExtension("*", ["cassandra/*.pyx"], extra_compile_args=compile_args),
nthreads=build_concurrency))
except Exception:
sys.stderr.write("Failed to cythonize one or more modules. These will not be compiled as extensions (optional).\n")
def run_setup(extensions):
kw = {'cmdclass': {'doc': DocCommand}}
if gevent_nosetests is not None:
kw['cmdclass']['gevent_nosetests'] = gevent_nosetests
if eventlet_nosetests is not None:
kw['cmdclass']['eventlet_nosetests'] = eventlet_nosetests
kw['cmdclass']['build_ext'] = build_extensions
kw['ext_modules'] = [Extension('DUMMY', [])] # dummy extension makes sure build_ext is called for install
if try_cython:
kw['setup_requires'] = ['Cython>=0.20']
dependencies = ['six >=1.6']
if not PY3:
dependencies.append('futures')
setup(
name='cassandra-driver',
version=__version__,
description='Python driver for Cassandra',
long_description=long_description,
url='http://github.com/datastax/python-driver',
author='Tyler Hobbs',
author_email='tyler@datastax.com',
packages=['cassandra', 'cassandra.io', 'cassandra.cqlengine'],
keywords='cassandra,cql,orm',
include_package_data=True,
install_requires=dependencies,
tests_require=['nose', 'mock<=1.0.1', 'PyYAML', 'pytz', 'sure'],
classifiers=[
'Development Status :: 5 - Production/Stable',
'Intended Audience :: Developers',
'License :: OSI Approved :: Apache Software License',
'Natural Language :: English',
'Operating System :: OS Independent',
'Programming Language :: Python',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3.3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: Implementation :: CPython',
'Programming Language :: Python :: Implementation :: PyPy',
'Topic :: Software Development :: Libraries :: Python Modules'
],
**kw)
run_setup(None)
if has_cqlengine:
warnings.warn("\n#######\n'cqlengine' package is present on path: %s\n"
"cqlengine is now an integrated sub-package of this driver.\n"
"It is recommended to remove this package to reduce the chance for conflicting usage" % cqlengine.__file__)
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