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setup.py
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setup.py
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import sys
import os
import platform
import shutil
# We need to import setuptools before because it monkey-patches distutils
import setuptools # noqa
from distutils.command.clean import clean as Clean
from distutils.command.sdist import sdist
from pkg_resources import parse_version
import traceback
import importlib
try:
import builtins
except ImportError:
# Python 2 compat: just to be able to declare that Python >=3.6 is needed.
import __builtin__ as builtins
# This is a bit (!) hackish: we are setting a global variable so that the
# main forest __init__ can detect if it is being loaded by the setup
# routine, to avoid attempting to load components that aren't built yet:
# the numpy distutils extensions that are used by forest-gis to
# recursively build the compiled extensions in sub-packages is based on the
# Python import machinery.
builtins.__FOREST_SETUP__ = True
DISTNAME = 'forest-gis'
DESCRIPTION = 'A set of python modules for machine learning and data mining'
with open('README.rst') as f:
LONG_DESCRIPTION = f.read()
MAINTAINER = 'Tao Li'
MAINTAINER_EMAIL = '[email protected]'
URL = 'https://github.com/PowderL/forest-gis'
DOWNLOAD_URL = 'https://pypi.org/project/forest-gis/#files'
LICENSE = 'new BSD'
PROJECT_URLS = {
'Bug Tracker': 'https://github.com/PowderL/forest-gis',
'Source Code': 'https://github.com/PowderL/forest-gis'
}
# We can actually import a restricted version of forest that
# does not need the compiled code
import forest
import forest._build_utils.min_dependencies as min_deps # noqa
VERSION = forest.__version__
# For some commands, use setuptools
SETUPTOOLS_COMMANDS = {
'develop', 'release', 'bdist_egg', 'bdist_rpm',
'bdist_wininst', 'install_egg_info', 'build_sphinx',
'egg_info', 'easy_install', 'upload', 'bdist_wheel',
'--single-version-externally-managed',
}
if SETUPTOOLS_COMMANDS.intersection(sys.argv):
extra_setuptools_args = dict(
zip_safe=False, # the package can run out of an .egg file
include_package_data=True,
extras_require={
key: min_deps.tag_to_packages[key] for
key in ['examples', 'docs', 'tests', 'benchmark']
},
)
else:
extra_setuptools_args = dict()
# Custom clean command to remove build artifacts
class CleanCommand(Clean):
description = "Remove build artifacts from the source tree"
def run(self):
Clean.run(self)
# Remove c files if we are not within a sdist package
cwd = os.path.abspath(os.path.dirname(__file__))
remove_c_files = not os.path.exists(os.path.join(cwd, 'PKG-INFO'))
if remove_c_files:
print('Will remove generated .c files')
if os.path.exists('build'):
shutil.rmtree('build')
for dirpath, dirnames, filenames in os.walk('forest'):
for filename in filenames:
if any(filename.endswith(suffix) for suffix in
(".so", ".pyd", ".dll", ".pyc")):
os.unlink(os.path.join(dirpath, filename))
continue
extension = os.path.splitext(filename)[1]
if remove_c_files and extension in ['.c', '.cpp']:
pyx_file = str.replace(filename, extension, '.pyx')
if os.path.exists(os.path.join(dirpath, pyx_file)):
os.unlink(os.path.join(dirpath, filename))
for dirname in dirnames:
if dirname == '__pycache__':
shutil.rmtree(os.path.join(dirpath, dirname))
cmdclass = {'clean': CleanCommand, 'sdist': sdist}
# custom build_ext command to set OpenMP compile flags depending on os and
# compiler
# build_ext has to be imported after setuptools
try:
from numpy.distutils.command.build_ext import build_ext # noqa
class build_ext_subclass(build_ext):
def build_extensions(self):
from forest._build_utils.openmp_helpers import get_openmp_flag
if forest._OPENMP_SUPPORTED:
openmp_flag = get_openmp_flag(self.compiler)
for e in self.extensions:
e.extra_compile_args += openmp_flag
e.extra_link_args += openmp_flag
build_ext.build_extensions(self)
cmdclass['build_ext'] = build_ext_subclass
except ImportError:
# Numpy should not be a dependency just to be able to introspect
# that python 3.6 is required.
pass
# Optional wheelhouse-uploader features
# To automate release of binary packages for forest-gis we need a tool
# to download the packages generated by travis and appveyor workers (with
# version number matching the current release) and upload them all at once
# to PyPI at release time.
# The URL of the artifact repositories are configured in the setup.cfg file.
WHEELHOUSE_UPLOADER_COMMANDS = {'fetch_artifacts', 'upload_all'}
if WHEELHOUSE_UPLOADER_COMMANDS.intersection(sys.argv):
import wheelhouse_uploader.cmd
cmdclass.update(vars(wheelhouse_uploader.cmd))
def configuration(parent_package='', top_path=None):
if os.path.exists('MANIFEST'):
os.remove('MANIFEST')
from numpy.distutils.misc_util import Configuration
from forest._build_utils import _check_cython_version
config = Configuration(None, parent_package, top_path)
# Avoid non-useful msg:
# "Ignoring attempt to set 'name' (from ... "
config.set_options(ignore_setup_xxx_py=True,
assume_default_configuration=True,
delegate_options_to_subpackages=True,
quiet=True)
# Cython is required by config.add_subpackage for templated extensions
# that need the tempita sub-submodule. So check that we have the correct
# version of Cython so as to be able to raise a more informative error
# message from the start if it's not the case.
_check_cython_version()
config.add_subpackage('forest')
return config
def check_package_status(package, min_version):
"""
Returns a dictionary containing a boolean specifying whether given package
is up-to-date, along with the version string (empty string if
not installed).
"""
package_status = {}
try:
module = importlib.import_module(package)
package_version = module.__version__
package_status['up_to_date'] = parse_version(
package_version) >= parse_version(min_version)
package_status['version'] = package_version
except ImportError:
traceback.print_exc()
package_status['up_to_date'] = False
package_status['version'] = ""
req_str = "forest-gis requires {} >= {}.\n".format(
package, min_version)
instructions = ("Installation instructions are available on the "
"forest-gis website: "
"https://github.com/PowderL/forest-gis\n")
if package_status['up_to_date'] is False:
if package_status['version']:
raise ImportError("Your installation of {} "
"{} is out-of-date.\n{}{}"
.format(package, package_status['version'],
req_str, instructions))
else:
raise ImportError("{} is not "
"installed.\n{}{}"
.format(package, req_str, instructions))
def setup_package():
metadata = dict(name=DISTNAME,
maintainer=MAINTAINER,
maintainer_email=MAINTAINER_EMAIL,
description=DESCRIPTION,
license=LICENSE,
url=URL,
download_url=DOWNLOAD_URL,
project_urls=PROJECT_URLS,
version=VERSION,
long_description=LONG_DESCRIPTION,
long_description_content_type="text/x-rst",
classifiers=['Intended Audience :: Science/Research',
'Intended Audience :: Developers',
'License :: OSI Approved',
'Programming Language :: C',
'Programming Language :: Python',
'Topic :: Software Development',
'Topic :: Scientific/Engineering',
'Operating System :: Microsoft :: Windows',
'Operating System :: POSIX',
'Operating System :: Unix',
'Operating System :: MacOS',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.6',
'Programming Language :: Python :: 3.7',
'Programming Language :: Python :: 3.8',
('Programming Language :: Python :: '
'Implementation :: CPython'),
('Programming Language :: Python :: '
'Implementation :: PyPy')
],
cmdclass=cmdclass,
python_requires=">=3.6",
install_requires=min_deps.tag_to_packages['install'],
package_data={'': ['*.pxd']},
**extra_setuptools_args)
if len(sys.argv) == 1 or (
len(sys.argv) >= 2 and ('--help' in sys.argv[1:] or
sys.argv[1] in ('--help-commands',
'egg_info',
'dist_info',
'--version',
'clean'))):
# These actions are required to succeed without Numpy for example when
# pip is used to install Scikit-learn when Numpy is not yet present in
# the system.
# These commands use setup from setuptools
from setuptools import setup
metadata['version'] = VERSION
else:
if sys.version_info < (3, 6):
raise RuntimeError(
"Forest-gis requires Python 3.6 or later. The current"
" Python version is %s installed in %s."
% (platform.python_version(), sys.executable))
check_package_status('numpy', min_deps.NUMPY_MIN_VERSION)
check_package_status('scipy', min_deps.SCIPY_MIN_VERSION)
# These commands require the setup from numpy.distutils because they
# may use numpy.distutils compiler classes.
from numpy.distutils.core import setup
metadata['configuration'] = configuration
setup(**metadata)
if __name__ == "__main__":
setup_package()