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# 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 absolute_import, division, print_function
import os
import sys
from distutils.command.build import build
import subprocess
import pkg_resources
from setuptools import find_packages, setup
from setuptools.command.install import install
from setuptools.command.test import test
base_dir = os.path.dirname(__file__)
about = {}
with open(os.path.join(base_dir, "cryptography", "__about__.py")) as f:
exec(f.read(), about)
CFFI_DEPENDENCY = "cffi>=0.8"
SIX_DEPENDENCY = "six>=1.4.1"
VECTORS_DEPENDENCY = "cryptography_vectors=={0}".format(about['__version__'])
requirements = [
CFFI_DEPENDENCY,
SIX_DEPENDENCY
]
# If you add a new dep here you probably need to add it in the tox.ini as well
test_requirements = [
"pytest",
"pretend",
"iso8601",
]
# If there's no vectors locally that probably means we are in a tarball and
# need to go and get the matching vectors package from PyPi
if not os.path.exists(os.path.join(base_dir, "vectors/setup.py")):
test_requirements.append(VECTORS_DEPENDENCY)
def get_ext_modules():
from cryptography.hazmat.bindings.commoncrypto.binding import (
Binding as CommonCryptoBinding
)
from cryptography.hazmat.bindings.openssl.binding import (
Binding as OpenSSLBinding
)
from cryptography.hazmat.primitives import constant_time, padding
ext_modules = [
OpenSSLBinding().ffi.verifier.get_extension(),
constant_time._ffi.verifier.get_extension(),
padding._ffi.verifier.get_extension()
]
if CommonCryptoBinding.is_available():
ext_modules.append(CommonCryptoBinding().ffi.verifier.get_extension())
return ext_modules
class CFFIBuild(build):
"""
This class exists, instead of just providing ``ext_modules=[...]`` directly
in ``setup()`` because importing cryptography requires we have several
packages installed first.
By doing the imports here we ensure that packages listed in
``setup_requires`` are already installed.
"""
def finalize_options(self):
self.distribution.ext_modules = get_ext_modules()
build.finalize_options(self)
class CFFIInstall(install):
"""
As a consequence of CFFIBuild and it's late addition of ext_modules, we
need the equivalent for the ``install`` command to install into platlib
install-dir rather than purelib.
"""
def finalize_options(self):
self.distribution.ext_modules = get_ext_modules()
install.finalize_options(self)
class PyTest(test):
def finalize_options(self):
test.finalize_options(self)
self.test_args = []
self.test_suite = True
# This means there's a vectors/ folder with the package in here.
# cd into it, install the vectors package and then refresh sys.path
if VECTORS_DEPENDENCY not in test_requirements:
subprocess.Popen([sys.executable, "setup.py", "install"],
cwd="vectors").communicate()
pkg_resources.get_distribution("cryptography_vectors").activate()
def run_tests(self):
# Import here because in module scope the eggs are not loaded.
import pytest
errno = pytest.main(self.test_args)
sys.exit(errno)
with open(os.path.join(base_dir, "README.rst")) as f:
long_description = f.read()
setup(
name=about["__title__"],
version=about["__version__"],
description=about["__summary__"],
long_description=long_description,
license=about["__license__"],
url=about["__uri__"],
author=about["__author__"],
author_email=about["__email__"],
classifiers=[
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
"Natural Language :: English",
"Operating System :: MacOS :: MacOS X",
"Operating System :: POSIX",
"Operating System :: POSIX :: BSD",
"Operating System :: POSIX :: Linux",
"Operating System :: Microsoft :: Windows",
"Programming Language :: Python",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.6",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.2",
"Programming Language :: Python :: 3.3",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: Implementation :: CPython",
"Programming Language :: Python :: Implementation :: PyPy",
"Topic :: Security :: Cryptography",
],
packages=find_packages(exclude=["tests", "tests.*"]),
install_requires=requirements,
setup_requires=requirements,
tests_require=test_requirements,
# for cffi
zip_safe=False,
ext_package="cryptography",
cmdclass={
"build": CFFIBuild,
"install": CFFIInstall,
"test": PyTest,
}
)
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