def install(self):
self.install_numpy()
self.log.write('installing opencv {}'.format(self.branch))
self.ocv_git.clone_to(os.path.join(self.local_dir, OPENCV_DIR))
ocv_contrib = GitManager(self.branch, self.contrib_url)
ocv_contrib.clone_to(os.path.join(self.local_dir, OPENCV_CONTRIB_DIR))
self.configure_opencv()
self.compile_opencv()
self.compile_ffopencv()
self.copy_compiled_files()
def __init__(self, local_dir, venv_dir, branch='3.1.0'):
self.branch = branch
self.local_dir = local_dir
self.venv_dir = venv_dir
self.ocv_dir = os.path.join(local_dir, '{}'.format(OPENCV_DIR))
self.ocv_build_dir = os.path.join(local_dir, '{}/{}'.format(BUILD_DIR, OPENCV_DIR))
self.ocv_contrib_dir = os.path.join(local_dir, '{}'.format(OPENCV_CONTRIB_DIR))
self.install_dir = os.path.join(self.local_dir, INSTALL_DIR)
self.ffmpeg_dir = os.path.join(local_dir, 'ffmpeg')
self.opencv_url = 'https://github.com/Itseez/opencv.git'
self.contrib_url = 'https://github.com/Itseez/opencv_contrib.git'
self.log = BuildLog()
self.ocv_git = GitManager(self.branch, self.opencv_url)
self.ocv_contrib_git = GitManager(self.branch, self.contrib_url)
class OpencvCatcher:
def __init__(self, local_dir, venv_dir, branch='3.1.0'):
self.branch = branch
self.local_dir = local_dir
self.venv_dir = venv_dir
self.ocv_dir = os.path.join(local_dir, '{}'.format(OPENCV_DIR))
self.ocv_build_dir = os.path.join(local_dir, '{}/{}'.format(BUILD_DIR, OPENCV_DIR))
self.ocv_contrib_dir = os.path.join(local_dir, '{}'.format(OPENCV_CONTRIB_DIR))
self.install_dir = os.path.join(self.local_dir, INSTALL_DIR)
self.ffmpeg_dir = os.path.join(local_dir, 'ffmpeg')
self.opencv_url = 'https://github.com/Itseez/opencv.git'
self.contrib_url = 'https://github.com/Itseez/opencv_contrib.git'
self.log = BuildLog()
self.ocv_git = GitManager(self.branch, self.opencv_url)
self.ocv_contrib_git = GitManager(self.branch, self.contrib_url)
def copy_file(self, source, target):
try:
self.log.write('copying {} to {}'.format(source, target))
copy_file(source, target)
except Exception as e:
self.log.exit_nicely('fail while copying {}'.format(source), e)
def check_ffmpeg(self):
pass
'''lib_exists = os.path.exists(os.path.join(self.ffmpeg_dir, '/usr/lib/libavcodec.a'))
self.log.write('have ffmpeg ? {}'.format('yes' if lib_exists else 'no'))
if not lib_exists:
self.log.write('it will not re-build ffopencv, webm codec will be absent')
self.log.write('https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu')
self.log.write('compile ffmpeg and put it\'s libs and includes here: {}'.format(self.ffmpeg_dir))
self.log.write('for windows you can get ffmpeg pre-built binaries: https://ffmpeg.zeranoe.com/builds/')
self.log.exit_nicely('you dont have ffmpeg libraries and/or includes')'''
def compile_ffopencv(self):
if not is_windows():
return
self.check_ffmpeg()
ffmpeg_idir = os.path.join(self.ffmpeg_dir, 'include')
ffmpeg_ldir = os.path.join(self.ffmpeg_dir, 'lib')
opencv_sdir = os.path.join(self.local_dir, '{}/modules/highgui/include'.format(OPENCV_DIR))
opencv_cap_dir = os.path.join(self.local_dir, '{}/modules/videoio/src'.format(OPENCV_DIR))
ffopencv_src = os.path.join(self.local_dir, '{}/3rdparty/ffmpeg/ffopencv.c'.format(OPENCV_DIR))
ffopencv_out = os.path.join(self.install_dir, 'opencv_ffmpeg.dll')
if not os.path.exists(self.install_dir):
os.makedirs(self.install_dir)
build_command = [
'gcc', '-Wall', '-shared', '-o', ffopencv_out, '-O2', '-x', 'c++',
'-I{}'.format(opencv_cap_dir), '-I{}'.format(ffmpeg_idir), '-I{}'.format(opencv_sdir),
ffopencv_src, '-L{}'.format(ffmpeg_ldir), '-lavformat.dll', '-lavcodec.dll', '-lavdevice.dll',
'-lswscale.dll', '-lavutil.dll'
]
try:
run(build_command)
except Exception as e:
self.log.exit_nicely('fail compiling opencv_ffmpeg.dll comando {}'.format(str(build_command)), e)
def configure_opencv(self):
self.check_ffmpeg()
if os.path.exists(self.ocv_build_dir):
self.log.write(
'the opencv was already configured.' +
' if you want to reconfigure it remove the directory {}'.format(self.ocv_build_dir))
return
self.log.write('Configuring opencv')
try:
os.makedirs(self.ocv_build_dir)
current_dir = os.getcwd()
os.chdir(self.ocv_build_dir)
cmake_params = [
'cmake', '-D', 'CMAKE_BUILD_TYPE=RELEASE',
'-D', 'CMAKE_INSTALL_PREFIX={}'.format(self.ocv_build_dir),
'-D', 'INSTALL_C_EXAMPLES=OFF',
'-D', 'INSTALL_PYTHON_EXAMPLES=OFF',
'-D', 'BUILD_EXAMPLES=OFF',
'-D', 'USE_FFMPEG=ON',
'-D', 'BUILD_opencv_python2=OFF',
'-D', 'BUILD_opencv_python3=ON',
'-D', 'OPENCV_EXTRA_MODULES_PATH={}/modules'.format(self.ocv_contrib_dir),
'-D', 'PYTHON3_EXECUTABLE={}'.format(os.path.join(get_first_caller_dir(), 'python3.5')),
'-D', 'FFMPEG_INCLUDE_DIR={}'.format(os.path.join(self.ffmpeg_dir, 'include'))
]
if is_windows():
cmake_params += [
'-D', 'WITH_IPP=OFF',
'-D', 'BUILD_opencv_line_descriptor=OFF',
'-D', 'BUILD_opencv_datasets=OFF',
'-D', 'WITH_DSHOW=OFF',
'-D', 'BUILD_opencv_python2=OFF',
'-D', 'PYTHON_INCLUDE_DIR={}'.format(get_python_include_dir()),
'-D', 'PYTHON_LIBRARY={}'.format(os.path.join(get_python_libs_dir(), 'libpython35.a'))
]
cmake_params += ['-D', 'CMAKE_SH=']
cmake_params += ['-G', 'MinGW Makefiles']
cmake_params = cmake_params + [self.ocv_dir]
run(cmake_params)
os.chdir(current_dir)
except Exception as e:
print(str(e))
self.log.exit_nicely('falha configurando opencv.', e)
def compile_opencv(self):
self.log.write('compiling opencv')
opencv_path = os.path.join(self.ocv_build_dir, 'lib/libopencv_core.so.3.1.0')
if os.path.exists(opencv_path):
self.log.write(
'the opencv was already compiled.' +
' if you want re-compile it remove the directory {}'.format(self.ocv_build_dir), True
)
return
try:
current_dir = os.getcwd()
os.chdir(self.ocv_build_dir)
# run(['cmake', '--build', '.', '--config', 'Release', '--target', 'install'])
run(['make'])
os.chdir(current_dir)
except Exception as e:
self.log.exit_nicely('falha ao compilar opencv', e)
def copy_compiled_files(self):
files = []
source_dir = os.path.join(self.ocv_build_dir, "lib/")
for root, dirs, lib_files in os.walk(source_dir):
for f in lib_files:
if f.startswith('libopencv_') and (
f.endswith('.so.3.1') or
f.endswith('.so.3.1.0') or
f.endswith('.so')
):
files.append(f)
try:
for f in files:
self.copy_file(os.path.join(self.ocv_build_dir, "lib/" + f), os.path.join(self.venv_dir, 'bin/' + f))
self.copy_file(os.path.join(self.ocv_build_dir,
"lib/python3.5/dist-packages/cv2.cpython-35m-x86_64-linux-gnu.so"),
os.path.join(self.venv_dir, 'lib/python3.5/cv2.cpython-35m-x86_64-linux-gnu.so'))
except Exception as e:
self.log.exit_nicely('fail copying opencv files', e)
def install_numpy(self):
try:
pip.main(['install', 'numpy'])
except Exception as E:
return self.log.exit_nicely('fail installing numpy', e)
def install(self):
self.install_numpy()
self.log.write('installing opencv {}'.format(self.branch))
self.ocv_git.clone_to(os.path.join(self.local_dir, OPENCV_DIR))
ocv_contrib = GitManager(self.branch, self.contrib_url)
ocv_contrib.clone_to(os.path.join(self.local_dir, OPENCV_CONTRIB_DIR))
self.configure_opencv()
self.compile_opencv()
self.compile_ffopencv()
self.copy_compiled_files()