build_package.py 23.6 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579
#!/usr/bin/env python

import os, sys
import argparse
import glob
import re
import shutil
import subprocess
import time

import logging as log

if sys.version_info[0] == 2:
    sys.exit("FATAL: Python 2.x is not supported")

from pathlib import Path

SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))

class Fail(Exception):
    def __init__(self, text=None):
        self.t = text
    def __str__(self):
        return "ERROR" if self.t is None else self.t

def execute(cmd, cwd=None, shell=False):
    try:
        log.debug("Executing: %s" % cmd)
        log.info('Executing: ' + ' '.join(cmd))
        if cwd:
            log.info("    in: %s" % cwd)
        retcode = subprocess.call(cmd, shell=shell, cwd=str(cwd) if cwd else None)
        if retcode < 0:
            raise Fail("Child was terminated by signal: %s" % -retcode)
        elif retcode > 0:
            raise Fail("Child returned: %s" % retcode)
    except OSError as e:
        raise Fail("Execution failed: %d / %s" % (e.errno, e.strerror))

def check_executable(cmd):
    try:
        log.debug("Executing: %s" % cmd)
        result = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
        if not isinstance(result, str):
            result = result.decode("utf-8")
        log.debug("Result: %s" % (result + '\n').split('\n')[0])
        return True
    except OSError as e:
        log.debug('Failed: %s' % e)
        return False


def rm_one(d):
    d = str(d)  # Python 3.5 may not handle Path
    d = os.path.abspath(d)
    if os.path.exists(d):
        if os.path.isdir(d):
            log.info("Removing dir: %s", d)
            shutil.rmtree(d)
        elif os.path.isfile(d):
            log.info("Removing file: %s", d)
            os.remove(d)


def prepare_dir(d, clean=False):
    d = str(d)  # Python 3.5 may not handle Path
    d = os.path.abspath(d)
    log.info("Preparing directory: '%s' (clean: %r)", d, clean)
    if os.path.exists(d):
        if not os.path.isdir(d):
            raise Fail("Not a directory: %s" % d)
        if clean:
            for item in os.listdir(d):
                rm_one(os.path.join(d, item))
    else:
        os.makedirs(d)
    return Path(d)


def check_dir(d):
    d = str(d)  # Python 3.5 may not handle Path
    d = os.path.abspath(d)
    log.info("Check directory: '%s'", d)
    if os.path.exists(d):
        if not os.path.isdir(d):
            raise Fail("Not a directory: %s" % d)
    else:
        raise Fail("The directory is missing: %s" % d)
    return Path(d)


# shutil.copytree fails if dst exists
def copytree(src, dst, exclude=None):
    log.debug('copytree(%s, %s)', src, dst)
    src = str(src)  # Python 3.5 may not handle Path
    dst = str(dst)  # Python 3.5 may not handle Path
    if os.path.isfile(src):
        shutil.copy2(src, dst)
        return
    def copy_recurse(subdir):
        if exclude and subdir in exclude:
            log.debug('  skip: %s', subdir)
            return
        s = os.path.join(src, subdir)
        d = os.path.join(dst, subdir)
        if os.path.exists(d) or exclude:
            if os.path.isfile(s):
                shutil.copy2(s, d)
            elif os.path.isdir(s):
                if not os.path.isdir(d):
                    os.makedirs(d)
                for item in os.listdir(s):
                    copy_recurse(os.path.join(subdir, item))
            else:
                assert False, s + " => " + d
        else:
            if os.path.isfile(s):
                shutil.copy2(s, d)
            elif os.path.isdir(s):
                shutil.copytree(s, d)
            else:
                assert False, s + " => " + d
    copy_recurse('')


def git_checkout(dst, url, branch, revision, clone_extra_args, noFetch=False):
    assert isinstance(dst, Path)
    log.info("Git checkout: '%s' (%s @ %s)", dst, url, revision)
    if noFetch:
        pass
    elif not os.path.exists(str(dst / '.git')):
        execute(cmd=['git', 'clone'] +
                (['-b', branch] if branch else []) +
                clone_extra_args + [url, '.'], cwd=dst)
    else:
        execute(cmd=['git', 'fetch', 'origin'] + ([branch + ':' + branch] if branch else []), cwd=dst)
    execute(cmd=['git', 'reset', '--hard'], cwd=dst)
    execute(cmd=['git', 'clean', '-f', '-d'], cwd=dst)
    execute(cmd=['git', 'checkout', '--force', '-B', 'winpack_dldt', revision], cwd=dst)
    execute(cmd=['git', 'clean', '-f', '-d'], cwd=dst)
    execute(cmd=['git', 'submodule', 'init'], cwd=dst)
    execute(cmd=['git', 'submodule', 'update', '--force', '--depth=1000'], cwd=dst)
    log.info("Git checkout: DONE")
    execute(cmd=['git', 'status'], cwd=dst)
    execute(cmd=['git', 'log', '--max-count=1', 'HEAD'], cwd=dst)


def git_apply_patch(src_dir, patch_file):
    src_dir = str(src_dir)  # Python 3.5 may not handle Path
    patch_file = str(patch_file)  # Python 3.5 may not handle Path
    assert os.path.exists(patch_file), patch_file
    execute(cmd=['git', 'apply', '--3way', '-v', '--ignore-space-change', str(patch_file)], cwd=src_dir)
    execute(cmd=['git', '--no-pager', 'diff', 'HEAD'], cwd=src_dir)
    os.environ['GIT_AUTHOR_NAME'] = os.environ['GIT_COMMITTER_NAME']='build'
    os.environ['GIT_AUTHOR_EMAIL'] = os.environ['GIT_COMMITTER_EMAIL']='build@opencv.org'
    execute(cmd=['git', 'commit', '-am', 'apply opencv patch'], cwd=src_dir)


#===================================================================================================

class BuilderDLDT:
    def __init__(self, config):
        self.config = config

        cpath = self.config.dldt_config
        log.info('DLDT build configration: %s', cpath)
        if not os.path.exists(cpath):
            cpath = os.path.join(SCRIPT_DIR, cpath)
            if not os.path.exists(cpath):
                raise Fail('Config "%s" is missing' % cpath)
        self.cpath = Path(cpath)

        clean_src_dir = self.config.clean_dldt
        if self.config.dldt_src_dir:
            assert os.path.exists(self.config.dldt_src_dir), self.config.dldt_src_dir
            dldt_dir_name = 'dldt-custom'
            self.srcdir = self.config.dldt_src_dir
            clean_src_dir = False
        else:
            assert not self.config.dldt_src_dir
            self.init_patchset()
            dldt_dir_name = 'dldt-' + self.config.dldt_src_commit + \
                    ('/patch-' + self.patch_hashsum if self.patch_hashsum else '')
            if self.config.build_debug:
                dldt_dir_name += '-debug'
            self.srcdir = None  # updated below
        log.info('DLDT directory: %s', dldt_dir_name)
        self.outdir = prepare_dir(os.path.join(self.config.build_cache_dir, dldt_dir_name))
        if self.srcdir is None:
            self.srcdir = prepare_dir(self.outdir / 'sources', clean=clean_src_dir)
        self.build_dir = prepare_dir(self.outdir / 'build', clean=self.config.clean_dldt)
        self.sysrootdir = prepare_dir(self.outdir / 'sysroot', clean=self.config.clean_dldt or self.config.clean_dldt_sysroot)
        if not (self.config.clean_dldt or self.config.clean_dldt_sysroot):
            _ = prepare_dir(self.sysrootdir / 'bin', clean=True)  # always clean sysroot/bin (package files)
            _ = prepare_dir(self.sysrootdir / 'etc', clean=True)  # always clean sysroot/etc (package files)

        if self.config.build_subst_drive:
            if os.path.exists(self.config.build_subst_drive + ':\\'):
                execute(['subst', self.config.build_subst_drive + ':', '/D'])
            execute(['subst', self.config.build_subst_drive + ':', str(self.outdir)])
            def fix_path(p):
                return str(p).replace(str(self.outdir), self.config.build_subst_drive + ':')
            self.srcdir = Path(fix_path(self.srcdir))
            self.build_dir = Path(fix_path(self.build_dir))
            self.sysrootdir = Path(fix_path(self.sysrootdir))


    def init_patchset(self):
        cpath = self.cpath
        self.patch_file = str(cpath / 'patch.config.py')  # Python 3.5 may not handle Path
        with open(self.patch_file, 'r') as f:
            self.patch_file_contents = f.read()

        patch_hashsum = None
        try:
            import hashlib
            patch_hashsum = hashlib.md5(self.patch_file_contents.encode('utf-8')).hexdigest()
        except:
            log.warn("Can't compute hashsum of patches: %s", self.patch_file)
        self.patch_hashsum = self.config.override_patch_hashsum if self.config.override_patch_hashsum else patch_hashsum


    def prepare_sources(self):
        if self.config.dldt_src_dir:
            log.info('Using DLDT custom repository: %s', self.srcdir)
            return

        def do_clone(srcdir, noFetch):
            git_checkout(srcdir, self.config.dldt_src_url, self.config.dldt_src_branch, self.config.dldt_src_commit,
                    ['-n', '--depth=100', '--no-single-branch', '--recurse-submodules'] +
                    (self.config.dldt_src_git_clone_extra or []),
                    noFetch=noFetch
            )

        if not os.path.exists(str(self.srcdir / '.git')):
            log.info('DLDT git checkout through "reference" copy.')
            reference_dir = self.config.dldt_reference_dir
            if reference_dir is None:
                reference_dir = prepare_dir(os.path.join(self.config.build_cache_dir, 'dldt-git-reference-repository'))
                do_clone(reference_dir, False)
                log.info('DLDT reference git checkout completed. Copying...')
            else:
                log.info('Using DLDT reference repository. Copying...')
            copytree(reference_dir, self.srcdir)
            do_clone(self.srcdir, True)
        else:
            do_clone(self.srcdir, False)

        log.info('DLDT git checkout completed. Patching...')

        def applyPatch(patch_file, subdir = None):
            if subdir:
                log.info('Patching "%s": %s' % (subdir, patch_file))
            else:
                log.info('Patching: %s' % (patch_file))
            git_apply_patch(self.srcdir / subdir if subdir else self.srcdir, self.cpath / patch_file)

        exec(compile(self.patch_file_contents, self.patch_file, 'exec'))

        log.info('DLDT patches applied')


    def build(self):
        self.cmake_path = 'cmake'
        build_config = 'Release' if not self.config.build_debug else 'Debug'

        cmd = [self.cmake_path, '-G', 'Visual Studio 16 2019', '-A', 'x64']

        cmake_vars = dict(
            CMAKE_BUILD_TYPE=build_config,
            TREAT_WARNING_AS_ERROR='OFF',
            ENABLE_SAMPLES='OFF',
            ENABLE_TESTS='OFF',
            BUILD_TESTS='OFF',
            ENABLE_OPENCV='OFF',
            ENABLE_GNA='OFF',
            ENABLE_SPEECH_DEMO='OFF',  # 2020.4+
            NGRAPH_DOC_BUILD_ENABLE='OFF',
            NGRAPH_UNIT_TEST_ENABLE='OFF',
            NGRAPH_UNIT_TEST_OPENVINO_ENABLE='OFF',
            NGRAPH_TEST_UTIL_ENABLE='OFF',
            NGRAPH_ONNX_IMPORT_ENABLE='OFF',
            CMAKE_INSTALL_PREFIX=str(self.build_dir / 'install'),
            OUTPUT_ROOT=str(self.build_dir),  # 2020.4+
        )

        self.build_config_file = str(self.cpath / 'build.config.py')  # Python 3.5 may not handle Path
        if os.path.exists(str(self.build_config_file)):
            with open(self.build_config_file, 'r') as f:
                cfg = f.read()
            exec(compile(cfg, str(self.build_config_file), 'exec'))
            log.info('DLDT processed build configuration script')

        cmd += [ '-D%s=%s' % (k, v) for (k, v) in cmake_vars.items() if v is not None]
        if self.config.cmake_option_dldt:
            cmd += self.config.cmake_option_dldt

        cmd.append(str(self.srcdir))

        build_dir = self.build_dir
        try:
            execute(cmd, cwd=build_dir)

            # build
            cmd = [self.cmake_path, '--build', '.', '--config', build_config, # '--target', 'install',
                    '--',
                    # '/m:2' is removed, not properly supported by 2021.3
                    '/v:n', '/consoleloggerparameters:NoSummary',
            ]
            execute(cmd, cwd=build_dir)

            # install ngraph only
            cmd = [self.cmake_path, '-DBUILD_TYPE=' + build_config, '-P', 'cmake_install.cmake']
            execute(cmd, cwd=build_dir / 'ngraph')
        except:
            raise

        log.info('DLDT build completed')


    def make_sysroot(self):
        cfg_file = str(self.cpath / 'sysroot.config.py')  # Python 3.5 may not handle Path
        with open(cfg_file, 'r') as f:
            cfg = f.read()
        exec(compile(cfg, cfg_file, 'exec'))

        log.info('DLDT sysroot preparation completed')


    def cleanup(self):
        if self.config.build_subst_drive:
            execute(['subst', self.config.build_subst_drive + ':', '/D'])


#===================================================================================================

class Builder:
    def __init__(self, config):
        self.config = config
        build_dir_name = 'opencv_build' if not self.config.build_debug else 'opencv_build_debug'
        self.build_dir = prepare_dir(Path(self.config.output_dir) / build_dir_name, clean=self.config.clean_opencv)
        self.package_dir = prepare_dir(Path(self.config.output_dir) / 'package/opencv', clean=True)
        self.install_dir = prepare_dir(self.package_dir / 'build')
        self.src_dir = check_dir(self.config.opencv_dir)


    def build(self, builderDLDT):
        self.cmake_path = 'cmake'
        build_config = 'Release' if not self.config.build_debug else 'Debug'

        cmd = [self.cmake_path, '-G', 'Visual Studio 16 2019', '-A', 'x64']

        cmake_vars = dict(
            CMAKE_BUILD_TYPE=build_config,
            INSTALL_CREATE_DISTRIB='ON',
            BUILD_opencv_world='OFF',
            BUILD_TESTS='OFF',
            BUILD_PERF_TESTS='OFF',
            ENABLE_CXX11='ON',
            WITH_INF_ENGINE='ON',
            WITH_TBB='ON',
            CPU_BASELINE='AVX2',
            CMAKE_INSTALL_PREFIX=str(self.install_dir),
            INSTALL_PDB='ON',
            INSTALL_PDB_COMPONENT_EXCLUDE_FROM_ALL='OFF',

            VIDEOIO_PLUGIN_LIST='all',

            OPENCV_SKIP_CMAKE_ROOT_CONFIG='ON',
            OPENCV_BIN_INSTALL_PATH='bin',
            OPENCV_INCLUDE_INSTALL_PATH='include',
            OPENCV_LIB_INSTALL_PATH='lib',
            OPENCV_CONFIG_INSTALL_PATH='cmake',
            OPENCV_3P_LIB_INSTALL_PATH='3rdparty',
            OPENCV_SAMPLES_SRC_INSTALL_PATH='samples',
            OPENCV_DOC_INSTALL_PATH='doc',
            OPENCV_OTHER_INSTALL_PATH='etc',
            OPENCV_LICENSES_INSTALL_PATH='etc/licenses',

            OPENCV_INSTALL_DATA_DIR_RELATIVE='../../src/opencv',

            BUILD_opencv_python2='OFF',
            BUILD_opencv_python3='ON',
            PYTHON3_LIMITED_API='ON',
            OPENCV_PYTHON_INSTALL_PATH='python',
        )

        if self.config.dldt_release:
            cmake_vars['INF_ENGINE_RELEASE'] = str(self.config.dldt_release)

        cmake_vars['INF_ENGINE_LIB_DIRS:PATH'] = str(builderDLDT.sysrootdir / 'deployment_tools/inference_engine/lib/intel64')
        assert os.path.exists(cmake_vars['INF_ENGINE_LIB_DIRS:PATH']), cmake_vars['INF_ENGINE_LIB_DIRS:PATH']
        cmake_vars['INF_ENGINE_INCLUDE_DIRS:PATH'] = str(builderDLDT.sysrootdir / 'deployment_tools/inference_engine/include')
        assert os.path.exists(cmake_vars['INF_ENGINE_INCLUDE_DIRS:PATH']), cmake_vars['INF_ENGINE_INCLUDE_DIRS:PATH']

        ngraph_DIR = str(builderDLDT.sysrootdir / 'ngraph/cmake')
        if not os.path.exists(ngraph_DIR):
            ngraph_DIR = str(builderDLDT.sysrootdir / 'ngraph/deployment_tools/ngraph/cmake')
        assert os.path.exists(ngraph_DIR), ngraph_DIR
        cmake_vars['ngraph_DIR:PATH'] = ngraph_DIR

        cmake_vars['TBB_DIR:PATH'] = str(builderDLDT.sysrootdir / 'tbb/cmake')
        assert os.path.exists(cmake_vars['TBB_DIR:PATH']), cmake_vars['TBB_DIR:PATH']

        if self.config.build_debug:
            cmake_vars['CMAKE_BUILD_TYPE'] = 'Debug'
            cmake_vars['BUILD_opencv_python3'] ='OFF'  # python3x_d.lib is missing
            cmake_vars['OPENCV_INSTALL_APPS_LIST'] = 'all'

        if self.config.build_tests:
            cmake_vars['BUILD_TESTS'] = 'ON'
            cmake_vars['BUILD_PERF_TESTS'] = 'ON'
            cmake_vars['BUILD_opencv_ts'] = 'ON'
            cmake_vars['INSTALL_TESTS']='ON'

        if self.config.build_tests_dnn:
            cmake_vars['BUILD_TESTS'] = 'ON'
            cmake_vars['BUILD_PERF_TESTS'] = 'ON'
            cmake_vars['BUILD_opencv_ts'] = 'ON'
            cmake_vars['OPENCV_BUILD_TEST_MODULES_LIST'] = 'dnn'
            cmake_vars['OPENCV_BUILD_PERF_TEST_MODULES_LIST'] = 'dnn'
            cmake_vars['INSTALL_TESTS']='ON'

        cmd += [ "-D%s=%s" % (k, v) for (k, v) in cmake_vars.items() if v is not None]
        if self.config.cmake_option:
            cmd += self.config.cmake_option

        cmd.append(str(self.src_dir))

        log.info('Configuring OpenCV...')

        execute(cmd, cwd=self.build_dir)

        log.info('Building OpenCV...')

        # build
        cmd = [self.cmake_path, '--build', '.', '--config', build_config, '--target', 'install',
                '--', '/v:n', '/m:2', '/consoleloggerparameters:NoSummary'
        ]
        execute(cmd, cwd=self.build_dir)

        log.info('OpenCV build/install completed')


    def copy_sysroot(self, builderDLDT):
        log.info('Copy sysroot files')

        copytree(builderDLDT.sysrootdir / 'bin', self.install_dir / 'bin')
        copytree(builderDLDT.sysrootdir / 'etc', self.install_dir / 'etc')

        log.info('Copy sysroot files - DONE')


    def package_sources(self):
        package_opencv = prepare_dir(self.package_dir / 'src/opencv', clean=True)
        package_opencv = str(package_opencv)  # Python 3.5 may not handle Path
        execute(cmd=['git', 'clone', '-s', str(self.src_dir), '.'], cwd=str(package_opencv))
        for item in os.listdir(package_opencv):
            if str(item).startswith('.git'):
                rm_one(os.path.join(package_opencv, item))

        with open(str(self.package_dir / 'README.md'), 'w') as f:
            f.write('See licensing/copying statements in "build/etc/licenses"\n')
            f.write('Wiki page: https://github.com/opencv/opencv/wiki/Intel%27s-Deep-Learning-Inference-Engine-backend\n')

        log.info('Package OpenCV sources - DONE')


#===================================================================================================

def main():

    dldt_src_url = 'https://github.com/openvinotoolkit/openvino'
    dldt_src_commit = '2021.4.1'
    dldt_config = None
    dldt_release = None

    build_cache_dir_default = os.environ.get('BUILD_CACHE_DIR', '.build_cache')
    build_subst_drive = os.environ.get('BUILD_SUBST_DRIVE', None)

    parser = argparse.ArgumentParser(
            description='Build OpenCV Windows package with Inference Engine (DLDT)',
    )
    parser.add_argument('output_dir', nargs='?', default='.', help='Output directory')
    parser.add_argument('opencv_dir', nargs='?', default=os.path.join(SCRIPT_DIR, '../..'), help='Path to OpenCV source dir')
    parser.add_argument('--build_cache_dir', default=build_cache_dir_default, help='Build cache directory (sources and binaries cache of build dependencies, default = "%s")' % build_cache_dir_default)
    parser.add_argument('--build_subst_drive', default=build_subst_drive, help='Drive letter to workaround Windows limit for 260 symbols in path (error MSB3491)')

    parser.add_argument('--cmake_option', action='append', help='Append OpenCV CMake option')
    parser.add_argument('--cmake_option_dldt', action='append', help='Append CMake option for DLDT project')

    parser.add_argument('--clean_dldt', action='store_true', help='Clean DLDT build and sysroot directories')
    parser.add_argument('--clean_dldt_sysroot', action='store_true', help='Clean DLDT sysroot directories')
    parser.add_argument('--clean_opencv', action='store_true', help='Clean OpenCV build directory')

    parser.add_argument('--build_debug', action='store_true', help='Build debug binaries')
    parser.add_argument('--build_tests', action='store_true', help='Build OpenCV tests')
    parser.add_argument('--build_tests_dnn', action='store_true', help='Build OpenCV DNN accuracy and performance tests only')

    parser.add_argument('--dldt_src_url', default=dldt_src_url, help='DLDT source URL (tag / commit, default: %s)' % dldt_src_url)
    parser.add_argument('--dldt_src_branch', help='DLDT checkout branch')
    parser.add_argument('--dldt_src_commit', default=dldt_src_commit, help='DLDT source commit / tag (default: %s)' % dldt_src_commit)
    parser.add_argument('--dldt_src_git_clone_extra', action='append', help='DLDT git clone extra args')
    parser.add_argument('--dldt_release', default=dldt_release, help='DLDT release code for INF_ENGINE_RELEASE, e.g 2021030000 (default: %s)' % dldt_release)

    parser.add_argument('--dldt_reference_dir', help='DLDT reference git repository (optional)')
    parser.add_argument('--dldt_src_dir', help='DLDT custom source repository (skip git checkout and patching, use for TESTING only)')

    parser.add_argument('--dldt_config', default=dldt_config, help='Specify DLDT build configuration (defaults to evaluate from DLDT commit/branch)')

    parser.add_argument('--override_patch_hashsum', default='', help='(script debug mode)')

    args = parser.parse_args()

    log.basicConfig(
            format='%(asctime)s %(levelname)-8s %(message)s',
            level=os.environ.get('LOGLEVEL', 'INFO'),
            datefmt='%Y-%m-%d %H:%M:%S'
    )
    log.debug('Args: %s', args)

    if not check_executable(['git', '--version']):
        sys.exit("FATAL: 'git' is not available")
    if not check_executable(['cmake', '--version']):
        sys.exit("FATAL: 'cmake' is not available")

    if os.path.realpath(args.output_dir) == os.path.realpath(SCRIPT_DIR):
        raise Fail("Specify output_dir (building from script directory is not supported)")
    if os.path.realpath(args.output_dir) == os.path.realpath(args.opencv_dir):
        raise Fail("Specify output_dir (building from OpenCV source directory is not supported)")

    # Relative paths become invalid in sub-directories
    if args.opencv_dir is not None and not os.path.isabs(args.opencv_dir):
        args.opencv_dir = os.path.abspath(args.opencv_dir)

    if not args.dldt_config:
        if str(args.dldt_src_commit).startswith('releases/20'):  # releases/2020/4
            args.dldt_config = str(args.dldt_src_commit)[len('releases/'):].replace('/', '.')
            if not args.dldt_src_branch:
                args.dldt_src_branch = args.dldt_src_commit
        elif str(args.dldt_src_branch).startswith('releases/20'):  # releases/2020/4
            args.dldt_config = str(args.dldt_src_branch)[len('releases/'):].replace('/', '.')
        else:
            args.dldt_config = args.dldt_src_commit

    _opencv_dir = check_dir(args.opencv_dir)
    _outdir = prepare_dir(args.output_dir)
    _cachedir = prepare_dir(args.build_cache_dir)

    ocv_hooks_dir = os.environ.get('OPENCV_CMAKE_HOOKS_DIR', None)
    hooks_dir = os.path.join(SCRIPT_DIR, 'cmake-opencv-checks')
    os.environ['OPENCV_CMAKE_HOOKS_DIR'] = hooks_dir if ocv_hooks_dir is None else (hooks_dir + ';' + ocv_hooks_dir)

    builder_dldt = BuilderDLDT(args)

    try:
        builder_dldt.prepare_sources()
        builder_dldt.build()
        builder_dldt.make_sysroot()

        builder_opencv = Builder(args)
        builder_opencv.build(builder_dldt)
        builder_opencv.copy_sysroot(builder_dldt)
        builder_opencv.package_sources()
    except:
        builder_dldt.cleanup()
        raise

    log.info("=====")
    log.info("===== Build finished")
    log.info("=====")


if __name__ == "__main__":
    try:
        main()
    except:
        log.info('FATAL: Error occured. To investigate problem try to change logging level using LOGLEVEL=DEBUG environment variable.')
        raise