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setup_caffe2.py
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setup_caffe2.py
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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from distutils.spawn import find_executable
from distutils import sysconfig, log
import setuptools
import setuptools.command.build_py
import setuptools.command.develop
import setuptools.command.build_ext
from collections import namedtuple
from contextlib import contextmanager
import glob
import os
import multiprocessing
import shlex
import subprocess
import sys
from textwrap import dedent
TOP_DIR = os.path.realpath(os.path.dirname(__file__))
SRC_DIR = os.path.join(TOP_DIR, 'caffe2')
CMAKE_BUILD_DIR = os.path.join(TOP_DIR, '.setuptools-cmake-build')
install_requires = []
setup_requires = []
tests_require = []
################################################################################
# Pre Check
################################################################################
CMAKE = find_executable('cmake')
assert CMAKE, 'Could not find "cmake" executable!'
NINJA = find_executable('ninja')
MAKE = find_executable('make')
assert NINJA or MAKE, \
'Could not find neither "ninja" nor "make" executable!'
################################################################################
# utils functions
################################################################################
@contextmanager
def cd(path):
if not os.path.isabs(path):
raise RuntimeError('Can only cd to absolute path, got: {}'.format(path))
orig_path = os.getcwd()
os.chdir(path)
try:
yield
finally:
os.chdir(orig_path)
################################################################################
# Version
################################################################################
try:
git_version = subprocess.check_output(['git', 'describe', '--tags', 'HEAD'],
cwd=TOP_DIR).decode('ascii').strip()
except (OSError, subprocess.CalledProcessError):
git_version = None
with open(os.path.join(SRC_DIR, 'VERSION_NUMBER')) as version_file:
VersionInfo = namedtuple('VersionInfo', ['version', 'git_version'])(
version=version_file.read().strip(),
git_version=git_version
)
################################################################################
# Customized commands
################################################################################
class Caffe2Command(setuptools.Command):
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
class create_version(Caffe2Command):
def run(self):
with open(os.path.join(SRC_DIR, 'version.py'), 'w') as f:
f.write(dedent('''
version = '{version}'
git_version = '{git_version}'
'''.format(**dict(VersionInfo._asdict()))))
class cmake_build(Caffe2Command):
"""
Compiles everything when `python setup.py build` is run using cmake.
Custom args can be passed to cmake by specifying the `CMAKE_ARGS`
environment variable. E.g. to build without cuda support run:
`CMAKE_ARGS=-DUSE_CUDA=Off python setup.py build`
The number of CPUs used by `make`/`ninja` can be specified by passing
`-j<ncpus>` to `setup.py build`. By default all CPUs are used.
"""
user_options = [
(str('jobs='), str('j'),
str('Specifies the number of jobs to use with make or ninja'))
]
built = False
def initialize_options(self):
self.jobs = multiprocessing.cpu_count()
def finalize_options(self):
self.jobs = int(self.jobs)
def run(self):
if cmake_build.built:
return
cmake_build.built = True
if not os.path.exists(CMAKE_BUILD_DIR):
os.makedirs(CMAKE_BUILD_DIR)
with cd(CMAKE_BUILD_DIR):
# configure
cmake_args = [
find_executable('cmake'),
'-DBUILD_SHARED_LIBS=OFF',
'-DPYTHON_EXECUTABLE:FILEPATH={}'.format(sys.executable),
'-DPYTHON_INCLUDE_DIR={}'.format(sysconfig.get_python_inc()),
'-DBUILD_TEST=OFF',
'-DBUILD_BENCHMARK=OFF',
'-DBUILD_BINARY=OFF',
]
if NINJA:
cmake_args.extend(['-G', 'Ninja'])
if 'CMAKE_ARGS' in os.environ:
extra_cmake_args = shlex.split(os.environ['CMAKE_ARGS'])
# prevent crossfire with downstream scripts
del os.environ['CMAKE_ARGS']
log.info('Extra cmake args: {}'.format(extra_cmake_args))
cmake_args.append(TOP_DIR)
subprocess.check_call(cmake_args)
build_args = [NINJA or MAKE]
# control the number of concurrent jobs
if self.jobs is not None:
build_args.extend(['-j', str(self.jobs)])
subprocess.check_call(build_args)
class build_py(setuptools.command.build_py.build_py):
def run(self):
self.run_command('create_version')
self.run_command('cmake_build')
for d in ['caffe', 'caffe2']:
for src in glob.glob(
os.path.join(CMAKE_BUILD_DIR, d, 'proto', '*.py')):
dst = os.path.join(
TOP_DIR, os.path.relpath(src, CMAKE_BUILD_DIR))
self.copy_file(src, dst)
setuptools.command.build_py.build_py.run(self)
class build_ext(setuptools.command.build_ext.build_ext):
def get_outputs(self):
return [os.path.join(self.build_lib, d)
for d in ['caffe', 'caffe2']]
def run(self):
self.run_command('cmake_build')
setuptools.command.build_ext.build_ext.run(self)
def build_extensions(self):
i = 0
while i < len(self.extensions):
ext = self.extensions[i]
fullname = self.get_ext_fullname(ext.name)
filename = self.get_ext_filename(fullname)
src = os.path.join(CMAKE_BUILD_DIR, filename)
if not os.path.exists(src):
del self.extensions[i]
else:
dst = os.path.join(os.path.realpath(self.build_lib), filename)
self.copy_file(src, dst)
i += 1
class develop(setuptools.command.develop.develop):
def run(self):
self.run_command('build_py')
setuptools.command.develop.develop.run(self)
cmdclass = {
'create_version': create_version,
'cmake_build': cmake_build,
'build_py': build_py,
'build_ext': build_ext,
'develop': develop,
}
################################################################################
# Extensions
################################################################################
ext_modules = [
setuptools.Extension(
name=str('caffe2.python.caffe2_pybind11_state'),
sources=[]),
setuptools.Extension(
name=str('caffe2.python.caffe2_pybind11_state_gpu'),
sources=[]),
]
################################################################################
# Packages
################################################################################
packages = setuptools.find_packages()
install_requires.extend([
'protobuf',
'numpy',
'future',
'hypothesis',
'requests',
'scipy',
'six',
])
################################################################################
# Test
################################################################################
setup_requires.append('pytest-runner')
tests_require.extend(['pytest-cov', 'hypothesis'])
################################################################################
# Final
################################################################################
setuptools.setup(
name='caffe2',
version=VersionInfo.version,
description='Caffe2',
ext_modules=ext_modules,
cmdclass=cmdclass,
packages=packages,
install_requires=install_requires,
setup_requires=setup_requires,
tests_require=tests_require,
author='jiayq',
author_email='jiayq@fb.com',
url='https://caffe2.ai',
)