454 lines
16 KiB
Python
454 lines
16 KiB
Python
"""Copyright 2020-2021 The MediaPipe Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Setup for MediaPipe package with setuptools.
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"""
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import glob
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import os
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import platform
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import posixpath
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import re
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import shutil
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import subprocess
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import sys
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import setuptools
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import setuptools.command.build_ext as build_ext
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import setuptools.command.install as install
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# It is recommended to import setuptools prior to importing distutils to avoid
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# using legacy behavior from distutils.
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from distutils import spawn
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import distutils.command.build as build
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import distutils.command.clean as clean
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__version__ = '0.8'
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IS_WINDOWS = (platform.system() == 'Windows')
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MP_ROOT_PATH = os.path.dirname(os.path.abspath(__file__))
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ROOT_INIT_PY = os.path.join(MP_ROOT_PATH, '__init__.py')
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MP_DIR_INIT_PY = os.path.join(MP_ROOT_PATH, 'mediapipe/__init__.py')
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MP_THIRD_PARTY_BUILD = os.path.join(MP_ROOT_PATH, 'third_party/BUILD')
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SUBDIR_INIT_PY_FILES = [
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os.path.join(MP_ROOT_PATH, 'mediapipe/calculators/__init__.py'),
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os.path.join(MP_ROOT_PATH, 'mediapipe/modules/__init__.py'),
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os.path.join(MP_ROOT_PATH,
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'mediapipe/modules/holistic_landmark/__init__.py'),
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os.path.join(MP_ROOT_PATH, 'mediapipe/modules/objectron/__init__.py')
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]
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if not os.path.exists(ROOT_INIT_PY):
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open(ROOT_INIT_PY, 'w').close()
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def _normalize_path(path):
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return path.replace('\\', '/') if IS_WINDOWS else path
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def _get_backup_file(path):
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return path + '.backup'
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def _parse_requirements(path):
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with open(os.path.join(MP_ROOT_PATH, path)) as f:
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return [
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line.rstrip()
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for line in f
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if not (line.isspace() or line.startswith('#'))
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]
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def _get_long_description():
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# Fix the image urls.
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return re.sub(
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r'(docs/images/|docs/images/mobile/)([A-Za-z0-9_]*\.(png|gif))',
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r'https://github.com/google/mediapipe/blob/master/\g<1>\g<2>?raw=true',
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open(os.path.join(MP_ROOT_PATH, 'README.md'),
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'rb').read().decode('utf-8'))
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def _check_bazel():
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"""Check Bazel binary as well as its version."""
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if not spawn.find_executable('bazel'):
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sys.stderr.write('could not find bazel executable. Please install bazel to'
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'build the MediaPipe Python package.')
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sys.exit(-1)
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try:
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bazel_version_info = subprocess.check_output(['bazel', '--version'])
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except subprocess.CalledProcessError as e:
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sys.stderr.write('fail to get bazel version by $ bazel --version: ' +
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str(e.output))
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sys.exit(-1)
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bazel_version_info = bazel_version_info.decode('UTF-8').strip()
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version = bazel_version_info.split('bazel ')[1].split('-')[0]
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version_segments = version.split('.')
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# Treat "0.24" as "0.24.0"
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if len(version_segments) == 2:
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version_segments.append('0')
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for seg in version_segments:
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if not seg.isdigit():
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sys.stderr.write('invalid bazel version number: %s\n' % version_segments)
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sys.exit(-1)
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bazel_version = int(''.join(['%03d' % int(seg) for seg in version_segments]))
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if bazel_version < 3004000:
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sys.stderr.write(
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'the current bazel version is older than the minimum version that MediaPipe can support. Please upgrade bazel.'
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)
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sys.exit(-1)
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def _modify_opencv_cmake_rule(link_opencv):
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"""Modify opencv_cmake rule to build the static opencv libraries."""
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# Ask the opencv_cmake rule to build the static opencv libraries for the
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# mediapipe python package. By doing this, we can avoid copying the opencv
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# .so file into the package.
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# On Windows, the opencv_cmake rule may need Visual Studio to compile OpenCV
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# from source. For simplicity, we continue to link the prebuilt version of
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# the OpenCV library through "@windows_opencv//:opencv".
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if not link_opencv and not IS_WINDOWS:
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content = open(MP_THIRD_PARTY_BUILD,
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'r').read().replace('OPENCV_SHARED_LIBS = True',
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'OPENCV_SHARED_LIBS = False')
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shutil.move(MP_THIRD_PARTY_BUILD, _get_backup_file(MP_THIRD_PARTY_BUILD))
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build_file = open(MP_THIRD_PARTY_BUILD, 'w')
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build_file.write(content)
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build_file.close()
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class ModifyInitFiles(setuptools.Command):
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"""Modify the init files for building MediaPipe Python package."""
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user_options = []
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def initialize_options(self):
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pass
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def finalize_options(self):
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pass
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def run(self):
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# Save the original init file.
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shutil.copyfile(MP_DIR_INIT_PY, _get_backup_file(MP_DIR_INIT_PY))
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mp_dir_init_file = open(MP_DIR_INIT_PY, 'a')
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mp_dir_init_file.writelines(
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['\n', 'from mediapipe.python import *\n',
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'import mediapipe.python.solutions as solutions',
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'\n'])
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mp_dir_init_file.close()
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class GeneratePyProtos(setuptools.Command):
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"""Generate MediaPipe Python protobuf files by Protocol Compiler."""
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user_options = []
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def initialize_options(self):
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pass
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def finalize_options(self):
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pass
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def run(self):
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if 'PROTOC' in os.environ and os.path.exists(os.environ['PROTOC']):
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self._protoc = os.environ['PROTOC']
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else:
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self._protoc = spawn.find_executable('protoc')
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if self._protoc is None:
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sys.stderr.write(
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'protoc is not found. Please run \'apt install -y protobuf'
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'-compiler\' (linux) or \'brew install protobuf\'(macos) to install '
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'protobuf compiler binary.')
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sys.exit(-1)
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# Add __init__.py to make the generated py proto files visiable.
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for init_py in SUBDIR_INIT_PY_FILES:
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if not os.path.exists(init_py):
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sys.stderr.write('adding __init__ file: %s\n' % init_py)
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open(init_py, 'w').close()
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# Build framework and calculator protos.
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for pattern in [
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'mediapipe/framework/**/*.proto', 'mediapipe/calculators/**/*.proto',
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'mediapipe/gpu/**/*.proto', 'mediapipe/modules/**/*.proto',
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'mediapipe/util/**/*.proto'
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]:
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for proto_file in glob.glob(pattern, recursive=True):
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proto_dir = os.path.dirname(os.path.abspath(proto_file))
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# Ignore test protos.
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if proto_file.endswith('test.proto'):
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continue
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# Ignore tensorflow protos in mediapipe/calculators/tensorflow.
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if 'tensorflow' in proto_dir:
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continue
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# Ignore testdata dir.
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if proto_dir.endswith('testdata'):
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continue
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init_py = os.path.join(proto_dir, '__init__.py')
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if not os.path.exists(init_py):
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sys.stderr.write('adding __init__ file: %s\n' % init_py)
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open(init_py, 'w').close()
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self._generate_proto(proto_file)
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def _generate_proto(self, source):
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"""Invokes the Protocol Compiler to generate a _pb2.py."""
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output = source.replace('.proto', '_pb2.py')
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sys.stderr.write('generating proto file: %s\n' % output)
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if (not os.path.exists(output) or
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(os.path.exists(source) and
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os.path.getmtime(source) > os.path.getmtime(output))):
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if not os.path.exists(source):
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sys.stderr.write('cannot find required file: %s\n' % source)
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sys.exit(-1)
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protoc_command = [self._protoc, '-I.', '--python_out=.', source]
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if subprocess.call(protoc_command) != 0:
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sys.exit(-1)
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class BuildBinaryGraphs(build.build):
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"""Build binary graphs for Python examples."""
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def run(self):
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_check_bazel()
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binary_graphs = [
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'face_detection/face_detection_front_cpu',
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'face_landmark/face_landmark_front_cpu',
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'hand_landmark/hand_landmark_tracking_cpu',
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'holistic_landmark/holistic_landmark_cpu', 'objectron/objectron_cpu',
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'pose_landmark/pose_landmark_cpu'
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]
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for binary_graph in binary_graphs:
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sys.stderr.write('generating binarypb: %s\n' %
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os.path.join('mediapipe/modules/', binary_graph))
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self._generate_binary_graph(binary_graph)
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def _generate_binary_graph(self, graph_path):
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"""Generate binary graph for a particular MediaPipe binary graph target."""
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bazel_command = [
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'bazel',
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'build',
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'--compilation_mode=opt',
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'--define=MEDIAPIPE_DISABLE_GPU=1',
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'--action_env=PYTHON_BIN_PATH=' + _normalize_path(sys.executable),
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os.path.join('mediapipe/modules/', graph_path),
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]
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if not self.link_opencv and not IS_WINDOWS:
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bazel_command.append('--define=OPENCV=source')
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if subprocess.call(bazel_command) != 0:
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sys.exit(-1)
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output_name = graph_path + '.binarypb'
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output_file = os.path.join('mediapipe/modules', output_name)
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shutil.copyfile(
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os.path.join('bazel-bin/mediapipe/modules/', output_name), output_file)
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class BazelExtension(setuptools.Extension):
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"""A C/C++ extension that is defined as a Bazel BUILD target."""
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def __init__(self, bazel_target, target_name=''):
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self.bazel_target = bazel_target
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self.relpath, self.target_name = (
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posixpath.relpath(bazel_target, '//').split(':'))
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if target_name:
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self.target_name = target_name
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ext_name = os.path.join(
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self.relpath.replace(posixpath.sep, os.path.sep), self.target_name)
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setuptools.Extension.__init__(self, ext_name, sources=[])
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class BuildBazelExtension(build_ext.build_ext):
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"""A command that runs Bazel to build a C/C++ extension."""
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user_options = build_ext.build_ext.user_options + [
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('link-opencv', None, 'if true, build opencv from source.'),
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]
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boolean_options = build_ext.build_ext.boolean_options + ['link-opencv']
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def initialize_options(self):
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self.link_opencv = False
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build_ext.build_ext.initialize_options(self)
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def finalize_options(self):
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build_ext.build_ext.finalize_options(self)
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def run(self):
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_check_bazel()
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for ext in self.extensions:
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self.bazel_build(ext)
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build_ext.build_ext.run(self)
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def bazel_build(self, ext):
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if not os.path.exists(self.build_temp):
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os.makedirs(self.build_temp)
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bazel_command = [
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'bazel',
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'build',
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'--compilation_mode=opt',
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'--define=MEDIAPIPE_DISABLE_GPU=1',
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'--action_env=PYTHON_BIN_PATH=' + _normalize_path(sys.executable),
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str(ext.bazel_target + '.so'),
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]
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if not self.link_opencv and not IS_WINDOWS:
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bazel_command.append('--define=OPENCV=source')
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self.spawn(bazel_command)
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ext_bazel_bin_path = os.path.join('bazel-bin', ext.relpath,
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ext.target_name + '.so')
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ext_dest_path = self.get_ext_fullpath(ext.name)
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ext_dest_dir = os.path.dirname(ext_dest_path)
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if not os.path.exists(ext_dest_dir):
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os.makedirs(ext_dest_dir)
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shutil.copyfile(ext_bazel_bin_path, ext_dest_path)
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if IS_WINDOWS:
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for opencv_dll in glob.glob(
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os.path.join('bazel-bin', ext.relpath, '*opencv*.dll')):
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shutil.copy(opencv_dll, ext_dest_dir)
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class Build(build.build):
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"""Build command that builds binary graphs and extension and does a cleanup afterwards."""
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user_options = build.build.user_options + [
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('link-opencv', None, 'if true, use the installed opencv library.'),
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]
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boolean_options = build.build.boolean_options + ['link-opencv']
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def initialize_options(self):
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self.link_opencv = False
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build.build.initialize_options(self)
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def finalize_options(self):
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build.build.finalize_options(self)
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def run(self):
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_modify_opencv_cmake_rule(self.link_opencv)
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build_binary_graphs_obj = self.distribution.get_command_obj(
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'build_binary_graphs')
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build_binary_graphs_obj.link_opencv = self.link_opencv
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build_ext_obj = self.distribution.get_command_obj('build_ext')
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build_ext_obj.link_opencv = self.link_opencv
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self.run_command('build_binary_graphs')
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self.run_command('build_ext')
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self.run_command('modify_inits')
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build.build.run(self)
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self.run_command('remove_generated')
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class Install(install.install):
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"""Install command that builds binary graphs and extension and does a cleanup afterwards."""
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user_options = install.install.user_options + [
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('link-opencv', None, 'if true, use the installed opencv library.'),
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]
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boolean_options = install.install.boolean_options + ['link-opencv']
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def initialize_options(self):
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self.link_opencv = False
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install.install.initialize_options(self)
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def finalize_options(self):
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install.install.finalize_options(self)
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def run(self):
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_modify_opencv_cmake_rule(self.link_opencv)
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build_binary_graphs_obj = self.distribution.get_command_obj(
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'build_binary_graphs')
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build_binary_graphs_obj.link_opencv = self.link_opencv
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build_ext_obj = self.distribution.get_command_obj('build_ext')
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build_ext_obj.link_opencv = self.link_opencv
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self.run_command('build_binary_graphs')
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self.run_command('build_ext')
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self.run_command('modify_inits')
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install.install.run(self)
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self.run_command('remove_generated')
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class RemoveGenerated(clean.clean):
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"""Remove the generated files."""
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def run(self):
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for pattern in [
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'mediapipe/framework/**/*pb2.py', 'mediapipe/calculators/**/*pb2.py',
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'mediapipe/gpu/**/*pb2.py', 'mediapipe/util/**/*pb2.py'
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]:
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for py_file in glob.glob(pattern, recursive=True):
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sys.stderr.write('removing generated files: %s\n' % py_file)
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os.remove(py_file)
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for binarypb_file in glob.glob(
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'mediapipe/modules/**/*.binarypb', recursive=True):
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sys.stderr.write('removing generated binary graphs: %s\n' % binarypb_file)
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os.remove(binarypb_file)
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# Restore the original init file from the backup.
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if os.path.exists(_get_backup_file(MP_DIR_INIT_PY)):
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os.remove(MP_DIR_INIT_PY)
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shutil.move(_get_backup_file(MP_DIR_INIT_PY), MP_DIR_INIT_PY)
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# Restore the original BUILD file from the backup.
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if os.path.exists(_get_backup_file(MP_THIRD_PARTY_BUILD)):
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os.remove(MP_THIRD_PARTY_BUILD)
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shutil.move(_get_backup_file(MP_THIRD_PARTY_BUILD), MP_THIRD_PARTY_BUILD)
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for init_py in SUBDIR_INIT_PY_FILES:
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os.remove(init_py)
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clean.clean.run(self)
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setuptools.setup(
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name='mediapipe',
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version=__version__,
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url='https://github.com/google/mediapipe',
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description='MediaPipe is the simplest way for researchers and developers to build world-class ML solutions and applications for mobile, edge, cloud and the web.',
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author='MediaPipe Authors',
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author_email='mediapipe@google.com',
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long_description=_get_long_description(),
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long_description_content_type='text/markdown',
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packages=setuptools.find_packages(exclude=['mediapipe.examples.desktop.*']),
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install_requires=_parse_requirements('requirements.txt'),
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cmdclass={
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'build': Build,
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'gen_protos': GeneratePyProtos,
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'modify_inits': ModifyInitFiles,
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'build_binary_graphs': BuildBinaryGraphs,
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'build_ext': BuildBazelExtension,
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'install': Install,
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'remove_generated': RemoveGenerated,
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},
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ext_modules=[
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BazelExtension('//mediapipe/python:_framework_bindings'),
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],
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zip_safe=False,
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include_package_data=True,
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classifiers=[
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'Development Status :: 3 - Alpha',
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'Intended Audience :: Developers',
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'Intended Audience :: Education',
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'Intended Audience :: Science/Research',
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'License :: OSI Approved :: Apache Software License',
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'Operating System :: MacOS :: MacOS X',
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'Operating System :: Microsoft :: Windows',
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'Operating System :: POSIX :: Linux',
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'Programming Language :: Python :: 3.7',
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'Programming Language :: Python :: 3.8',
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'Programming Language :: Python :: 3.9',
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'Programming Language :: Python :: 3 :: Only',
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'Topic :: Scientific/Engineering',
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'Topic :: Scientific/Engineering :: Artificial Intelligence',
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'Topic :: Software Development',
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'Topic :: Software Development :: Libraries',
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'Topic :: Software Development :: Libraries :: Python Modules',
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],
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license='Apache 2.0',
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keywords='mediapipe',
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)
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os.remove(ROOT_INIT_PY)
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