Example #1
0
    def video_crop(self, arguments: list = sys.argv[2:]):
        """Crop video in the same directory"""
        parser = argparse.ArgumentParser(
            prog='ti video_crop', description=f"{self.video_crop.__doc__}")
        parser.add_argument('-i',
                            '--input',
                            required=True,
                            dest='input_file',
                            type=TaichiMain._mp4_file,
                            help="Path to input MP4 video file")
        parser.add_argument('--x1',
                            required=True,
                            dest='x_begin',
                            type=float,
                            help="X coordinate of the beginning crop point")
        parser.add_argument('--x2',
                            required=True,
                            dest='x_end',
                            type=float,
                            help="X coordinate of the ending crop point")
        parser.add_argument('--y1',
                            required=True,
                            dest='y_begin',
                            type=float,
                            help="Y coordinate of the beginning crop point")
        parser.add_argument('--y2',
                            required=True,
                            dest='y_end',
                            type=float,
                            help="Y coordinate of the ending crop point")
        args = parser.parse_args(arguments)

        args.output_file = str(
            Path(args.input_file).with_name(
                f"{Path(args.input_file).stem}-cropped{Path(args.input_file).suffix}"
            ))

        # Short circuit for testing
        if self.test_mode:
            return args
        video.crop_video(args.input_file, args.output_file, args.x_begin,
                         args.x_end, args.y_begin, args.y_end)

        return None
Example #2
0
def main(debug=False):
    argc = len(sys.argv)
    if argc == 1:
        mode = 'help'
        parser_args = sys.argv
    else:
        mode = sys.argv[1]
        parser_args = sys.argv[2:]
    parser = make_argument_parser()
    args = parser.parse_args(args=parser_args)

    lines = []
    print()
    lines.append(u' *******************************************')
    lines.append(u' **     Taichi Programming Language       **')
    lines.append(u' *******************************************')
    if 'TI_DEBUG' in os.environ:
        val = os.environ['TI_DEBUG']
        if val not in ['0', '1']:
            raise ValueError(
                "Environment variable TI_DEBUG can only have value 0 or 1.")
    if debug:
        lines.append(u' *****************Debug Mode****************')
        os.environ['TI_DEBUG'] = '1'
    print(u'\n'.join(lines))
    print()
    import taichi as ti
    if args.arch is not None:
        arch = args.arch
        if args.exclusive:
            arch = '^' + arch
        print(f'Running on Arch={arch}')
        os.environ['TI_WANTED_ARCHS'] = arch

    if mode == 'help':
        print(
            "    Usage: ti run [task name]        |-> Run a specific task\n"
            "           ti test                   |-> Run all the tests\n"
            "           ti benchmark              |-> Run python tests in benchmark mode\n"
            "           ti baseline               |-> Archive current benchmark result as baseline\n"
            "           ti regression             |-> Display benchmark regression test result\n"
            "           ti format                 |-> Reformat modified source files\n"
            "           ti format_all             |-> Reformat all source files\n"
            "           ti build                  |-> Build C++ files\n"
            "           ti video                  |-> Make a video using *.png files in the current folder\n"
            "           ti video_scale            |-> Scale video resolution \n"
            "           ti video_crop             |-> Crop video\n"
            "           ti video_speed            |-> Speed up video\n"
            "           ti gif                    |-> Convert mp4 file to gif\n"
            "           ti doc                    |-> Build documentation\n"
            "           ti release                |-> Make source code release\n"
            "           ti debug [script.py]      |-> Debug script\n"
            "           ti example [name]         |-> Run an example by name\n"
        )
        return 0

    t = time.time()
    if mode.endswith('.py'):
        import subprocess
        subprocess.call([sys.executable, mode] + sys.argv[1:])
    elif mode == "run":
        if argc <= 1:
            print("Please specify [task name], e.g. test_math")
            return -1
        print(sys.argv)
        name = sys.argv[1]
        task = ti.Task(name)
        task.run(*sys.argv[2:])
    elif mode == "debug":
        ti.core.set_core_trigger_gdb_when_crash(True)
        if argc <= 2:
            print("Please specify [file name], e.g. render.py")
            return -1
        name = sys.argv[2]
        with open(name) as script:
            script = script.read()
        exec(script, {'__name__': '__main__'})
    elif mode == "test":
        if len(args.files):
            if args.cpp:
                return test_cpp(args)
            else:
                return test_python(args)
        elif args.cpp:
            return test_cpp(args)
        else:
            ret = test_python(args)
            if ret != 0:
                return ret
            return test_cpp(args)
    elif mode == "benchmark":
        import shutil
        commit_hash = ti.core.get_commit_hash()
        with os.popen('git rev-parse HEAD') as f:
            current_commit_hash = f.read().strip()
        assert commit_hash == current_commit_hash, f"Built commit {commit_hash:.6} differs from current commit {current_commit_hash:.6}, refuse to benchmark"
        os.environ['TI_PRINT_BENCHMARK_STAT'] = '1'
        output_dir = get_benchmark_output_dir()
        shutil.rmtree(output_dir, True)
        os.mkdir(output_dir)
        os.environ['TI_BENCHMARK_OUTPUT_DIR'] = output_dir
        if os.environ.get('TI_WANTED_ARCHS') is None and not args.tprt:
            # since we only do number-of-statements benchmark for SPRT
            os.environ['TI_WANTED_ARCHS'] = 'x64'
        if args.tprt:
            os.system('python benchmarks/run.py')
            # TODO: benchmark_python(args)
        else:
            test_python(args)
    elif mode == "baseline":
        import shutil
        baseline_dir = get_benchmark_baseline_dir()
        output_dir = get_benchmark_output_dir()
        shutil.rmtree(baseline_dir, True)
        shutil.copytree(output_dir, baseline_dir)
        print('[benchmark] baseline data saved')
    elif mode == "regression":
        baseline_dir = get_benchmark_baseline_dir()
        output_dir = get_benchmark_output_dir()
        display_benchmark_regression(baseline_dir, output_dir, args)
    elif mode == "build":
        ti.core.build()
    elif mode == "format":
        diff = None
        if len(sys.argv) >= 3:
            diff = sys.argv[2]
        ti.core.format(diff=diff)
    elif mode == "format_all":
        ti.core.format(all=True)
    elif mode == "statement":
        exec(sys.argv[2])
    elif mode == "update":
        ti.core.update(True)
        ti.core.build()
    elif mode == "asm":
        fn = sys.argv[2]
        os.system(
            r"sed '/^\s*\.\(L[A-Z]\|[a-z]\)/ d' {0} > clean_{0}".format(fn))
    elif mode == "interpolate":
        interpolate_frames('.')
    elif mode == "doc":
        os.system('cd {}/docs && sphinx-build -b html . build'.format(
            ti.get_repo_directory()))
    elif mode == "video":
        files = sorted(os.listdir('.'))
        files = list(filter(lambda x: x.endswith('.png'), files))
        if len(sys.argv) >= 3:
            frame_rate = int(sys.argv[2])
        else:
            frame_rate = 24
        if len(sys.argv) >= 4:
            trunc = int(sys.argv[3])
            files = files[:trunc]
        ti.info('Making video using {} png files...', len(files))
        ti.info("frame_rate={}", frame_rate)
        output_fn = 'video.mp4'
        make_video(files, output_path=output_fn, frame_rate=frame_rate)
        ti.info('Done! Output video file = {}', output_fn)
    elif mode == "video_scale":
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-scaled.mp4'
        ratiow = float(sys.argv[3])
        if len(sys.argv) >= 5:
            ratioh = float(sys.argv[4])
        else:
            ratioh = ratiow
        scale_video(input_fn, output_fn, ratiow, ratioh)
    elif mode == "video_crop":
        if len(sys.argv) != 7:
            print('Usage: ti video_crop fn x_begin x_end y_begin y_end')
            return -1
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-cropped.mp4'
        x_begin = float(sys.argv[3])
        x_end = float(sys.argv[4])
        y_begin = float(sys.argv[5])
        y_end = float(sys.argv[6])
        crop_video(input_fn, output_fn, x_begin, x_end, y_begin, y_end)
    elif mode == "video_speed":
        if len(sys.argv) != 4:
            print('Usage: ti video_speed fn speed_up_factor')
            return -1
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-sped.mp4'
        speed = float(sys.argv[3])
        accelerate_video(input_fn, output_fn, speed)
    elif mode == "gif":
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '.gif'
        ti.info('Converting {} to {}'.format(input_fn, output_fn))
        framerate = 24
        mp4_to_gif(input_fn, output_fn, framerate)
    elif mode == "convert":
        import shutil
        # http://www.commandlinefu.com/commands/view/3584/remove-color-codes-special-characters-with-sed
        # TODO: Windows support
        for fn in sys.argv[2:]:
            print("Converting logging file: {}".format(fn))
            tmp_fn = '/tmp/{}.{:05d}.backup'.format(fn,
                                                    random.randint(0, 10000))
            shutil.move(fn, tmp_fn)
            command = r'sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"'
            os.system('{} {} > {}'.format(command, tmp_fn, fn))
    elif mode == "release":
        from git import Git
        import zipfile
        import hashlib
        g = Git(ti.get_repo_directory())
        g.init()
        with zipfile.ZipFile('release.zip', 'w') as zip:
            files = g.ls_files().split('\n')
            os.chdir(ti.get_repo_directory())
            for f in files:
                if not os.path.isdir(f):
                    zip.write(f)
        ver = ti.__version__
        md5 = hashlib.md5()
        with open('release.zip', "rb") as f:
            for chunk in iter(lambda: f.read(4096), b""):
                md5.update(chunk)
        md5 = md5.hexdigest()
        commit = ti.core.get_commit_hash()[:8]
        fn = f'taichi-src-v{ver[0]}-{ver[1]}-{ver[2]}-{commit}-{md5}.zip'
        import shutil
        shutil.move('release.zip', fn)
    elif mode == "example":
        if len(sys.argv) != 3:
            sys.exit(
                f"Invalid arguments! Usage: ti example [name]\nAvailable example names are: {sorted(get_available_examples())}"
            )
        example = sys.argv[2]
        run_example(name=example)
    else:
        name = sys.argv[1]
        print('Running task [{}]...'.format(name))
        task = ti.Task(name)
        task.run(*sys.argv[2:])
    print()
    print(">>> Running time: {:.2f}s".format(time.time() - t))
    return 0
Example #3
0
def main(debug=False):
  lines = []
  print()
  lines.append(u' *******************************************')
  lines.append(u' **     Taichi Programming Language       **')
  lines.append(u' *******************************************')
  if debug:
    lines.append(u' *****************Debug Mode****************')
    os.environ['TI_DEBUG'] = '1'
  print(u'\n'.join(lines))
  print()
  import taichi as ti

  ti.tc_core.set_core_debug(debug)

  argc = len(sys.argv)
  if argc == 1 or sys.argv[1] == 'help':
    print(
        "    Usage: ti run [task name]        |-> Run a specific task\n"
        "           ti benchmark              |-> Run performance benchmark\n"
        "           ti test                   |-> Run all tests\n"
        "           ti test_verbose           |-> Run all tests with verbose outputs\n"
        "           ti test_python            |-> Run python tests\n"
        "           ti test_cpp               |-> Run cpp tests\n"
        "           ti format                 |-> Reformat modified source files\n"
        "           ti format_all             |-> Reformat all source files\n"
        "           ti build                  |-> Build C++ files\n"
        "           ti video                  |-> Make a video using *.png files in the current folder\n"
        "           ti video_scale            |-> Scale video resolution \n"
        "           ti video_crop             |-> Crop video\n"
        "           ti video_speed            |-> Speed up video\n"
        "           ti gif                    |-> Convert mp4 file to gif\n"
        "           ti doc                    |-> Build documentation\n"
        "           ti release                |-> Make source code release\n"
        "           ti debug [script.py]      |-> Debug script\n")
    exit(0)
  mode = sys.argv[1]

  t = time.time()
  if mode.endswith('.py'):
    import subprocess
    subprocess.call([sys.executable] + sys.argv[1:])
  elif mode == "run":
    if argc <= 2:
      print("Please specify [task name], e.g. test_math")
      exit(-1)
    name = sys.argv[2]
    task = ti.Task(name)
    task.run(*sys.argv[3:])
  elif mode == "debug":
    ti.core.set_core_trigger_gdb_when_crash(True)
    if argc <= 2:
      print("Please specify [file name], e.g. render.py")
      exit(-1)
    name = sys.argv[2]
    with open(name) as script:
      script = script.read()
    exec(script, {'__name__': '__main__'})
  elif mode == "test_python":
    return test_python()
  elif mode == "test_cpp":
    return test_cpp()
  elif mode == "test":
    if test_python() != 0:
      return -1
    return test_cpp()
  elif mode == "test_verbose":
    if test_python(True) != 0:
      return -1
    return test_cpp()
  elif mode == "build":
    ti.core.build()
  elif mode == "format":
    ti.core.format()
  elif mode == "format_all":
    ti.core.format(all=True)
  elif mode == "statement":
    exec(sys.argv[2])
  elif mode == "update":
    ti.core.update(True)
    ti.core.build()
  elif mode == "asm":
    fn = sys.argv[2]
    os.system(r"sed '/^\s*\.\(L[A-Z]\|[a-z]\)/ d' {0} > clean_{0}".format(fn))
  elif mode == "interpolate":
    interpolate_frames('.')
  elif mode == "amal":
    cwd = os.getcwd()
    os.chdir(ti.get_repo_directory())
    with open('misc/amalgamate.py') as script:
      script = script.read()
    exec(script, {'__name__': '__main__'})
    os.chdir(cwd)
    shutil.copy(
        os.path.join(ti.get_repo_directory(), 'build/taichi.h'), './taichi.h')
  elif mode == "doc":
    os.system('cd {}/docs && sphinx-build -b html . build'.format(ti.get_repo_directory()))
  elif mode == "video":
    files = sorted(os.listdir('.'))
    files = list(filter(lambda x: x.endswith('.png'), files))
    if len(sys.argv) >= 3:
      frame_rate = int(sys.argv[2])
    else:
      frame_rate = 24
    if len(sys.argv) >= 4:
      trunc = int(sys.argv[3])
      files = files[:trunc]
    ti.info('Making video using {} png files...', len(files))
    ti.info("frame_rate={}", frame_rate)
    output_fn = 'video.mp4'
    make_video(files, output_path=output_fn, frame_rate=frame_rate)
    ti.info('Done! Output video file = {}', output_fn)
  elif mode == "video_scale":
    input_fn = sys.argv[2]
    assert input_fn[-4:] == '.mp4'
    output_fn = input_fn[:-4] + '-scaled.mp4'
    ratiow = float(sys.argv[3])
    if len(sys.argv) >= 5:
      ratioh = float(sys.argv[4])
    else:
      ratioh = ratiow
    scale_video(input_fn, output_fn, ratiow, ratioh)
  elif mode == "video_crop":
    if len(sys.argv) != 7:
      print('Usage: ti video_crop fn x_begin x_end y_begin y_end')
      exit(-1)
    input_fn = sys.argv[2]
    assert input_fn[-4:] == '.mp4'
    output_fn = input_fn[:-4] + '-cropped.mp4'
    x_begin = float(sys.argv[3])
    x_end = float(sys.argv[4])
    y_begin = float(sys.argv[5])
    y_end = float(sys.argv[6])
    crop_video(input_fn, output_fn, x_begin, x_end, y_begin, y_end)
  elif mode == "video_speed":
    if len(sys.argv) != 4:
      print('Usage: ti video_speed fn speed_up_factor')
      exit(-1)
    input_fn = sys.argv[2]
    assert input_fn[-4:] == '.mp4'
    output_fn = input_fn[:-4] + '-sped.mp4'
    speed = float(sys.argv[3])
    accelerate_video(input_fn, output_fn, speed)
  elif mode == "gif":
    input_fn = sys.argv[2]
    assert input_fn[-4:] == '.mp4'
    output_fn = input_fn[:-4] + '.gif'
    ti.info('Converting {} to {}'.format(input_fn, output_fn))
    framerate = 24
    mp4_to_gif(input_fn, output_fn, framerate)
  elif mode == "convert":
    # http://www.commandlinefu.com/commands/view/3584/remove-color-codes-special-characters-with-sed
    # TODO: Windows support
    for fn in sys.argv[2:]:
      print("Converting logging file: {}".format(fn))
      tmp_fn = '/tmp/{}.{:05d}.backup'.format(fn, random.randint(0, 10000))
      shutil.move(fn, tmp_fn)
      command = r'sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"'
      os.system('{} {} > {}'.format(command, tmp_fn, fn))
  elif mode == "release":
    from git import Git
    import zipfile
    import hashlib
    g = Git(ti.get_repo_directory())
    g.init()
    with zipfile.ZipFile('release.zip', 'w') as zip:
      files = g.ls_files().split('\n')
      os.chdir(ti.get_repo_directory())
      for f in files:
        if not os.path.isdir(f):
          zip.write(f)
    ver = ti.__version__
    md5 = hashlib.md5()
    with open('release.zip', "rb") as f:
      for chunk in iter(lambda: f.read(4096), b""):
        md5.update(chunk)
    md5 = md5.hexdigest()
    commit = ti.core.get_commit_hash()[:8]
    fn = f'taichi-src-v{ver[0]}-{ver[1]}-{ver[2]}-{commit}-{md5}.zip'
    import shutil
    shutil.move('release.zip', fn)
  else:
    name = sys.argv[1]
    print('Running task [{}]...'.format(name))
    task = ti.Task(name)
    task.run(*sys.argv[2:])
  print()
  print(">>> Running time: {:.2f}s".format(time.time() - t))
Example #4
0
def main(debug=False):
    lines = []
    print()
    lines.append(u' *******************************************')
    lines.append(u' **                Taichi                 **')
    lines.append(u' **                                       **')
    lines.append(u' ** High-Performance Programming Language **')
    lines.append(u' *******************************************')
    if debug:
        lines.append(u' *****************Debug Mode****************')
        lines.append(u' *******************************************')
        os.environ['TI_DEBUG'] = '1'
    print(u'\n'.join(lines))
    print()
    import taichi as ti

    ti.tc_core.set_core_debug(debug)

    argc = len(sys.argv)
    if argc == 1 or sys.argv[1] == 'help':
        print(
            "    Usage: ti run [task name]        |-> Run a specific task\n"
            "           ti test                   |-> Run all tests\n"
            "           ti test_python            |-> Run python tests\n"
            "           ti test_cpp               |-> Run cpp tests\n"
            "           ti build                  |-> Build C++ files\n"
            "           ti video                  |-> Make a video using *.png files in the current folder\n"
            "           ti video_scale            |-> Scale video resolution \n"
            "           ti video_crop             |-> Crop video\n"
            "           ti video_speed            |-> Speed up video\n"
            "           ti gif                    |-> Convert mp4 file to gif\n"
            "           ti doc                    |-> Build documentation\n"
            "           ti debug [script.py]      |-> Debug script\n")
        exit(-1)
    mode = sys.argv[1]

    t = time.time()
    if mode.endswith('.py'):
        import subprocess
        subprocess.call([sys.executable] + sys.argv[1:])
    elif mode == "run":
        if argc <= 2:
            print("Please specify [task name], e.g. test_math")
            exit(-1)
        name = sys.argv[2]
        task = ti.Task(name)
        task.run(*sys.argv[3:])
    elif mode == "debug":
        ti.core.set_core_trigger_gdb_when_crash(True)
        if argc <= 2:
            print("Please specify [file name], e.g. render.py")
            exit(-1)
        name = sys.argv[2]
        with open(name) as script:
            script = script.read()
        exec(script, {'__name__': '__main__'})
    elif mode == "test_python":
        return test_python()
    elif mode == "test_cpp":
        return test_cpp()
    elif mode == "test":
        if test_python() != 0:
            return -1
        return test_cpp()
    elif mode == "build":
        ti.core.build()
    elif mode == "format":
        ti.core.format()
    elif mode == "statement":
        exec(sys.argv[2])
    elif mode == "update":
        ti.core.update(True)
        ti.core.build()
    elif mode == "asm":
        fn = sys.argv[2]
        os.system(
            r"sed '/^\s*\.\(L[A-Z]\|[a-z]\)/ d' {0} > clean_{0}".format(fn))
    elif mode == "interpolate":
        interpolate_frames('.')
    elif mode == "amal":
        cwd = os.getcwd()
        os.chdir(ti.get_repo_directory())
        with open('misc/amalgamate.py') as script:
            script = script.read()
        exec(script, {'__name__': '__main__'})
        os.chdir(cwd)
        shutil.copy(os.path.join(ti.get_repo_directory(), 'build/taichi.h'),
                    './taichi.h')
    elif mode == "doc":
        os.system('cd docs && sphinx-build -b html . build')
    elif mode == "video":
        files = sorted(os.listdir('.'))
        files = list(filter(lambda x: x.endswith('.png'), files))
        if len(sys.argv) >= 3:
            frame_rate = int(sys.argv[2])
        else:
            frame_rate = 24
        if len(sys.argv) >= 4:
            trunc = int(sys.argv[3])
            files = files[:trunc]
        ti.info('Making video using {} png files...', len(files))
        ti.info("frame_rate={}", frame_rate)
        output_fn = 'video.mp4'
        make_video(files, output_path=output_fn, frame_rate=frame_rate)
        ti.info('Done! Output video file = {}', output_fn)
    elif mode == "video_scale":
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-scaled.mp4'
        ratiow = float(sys.argv[3])
        if len(sys.argv) >= 5:
            ratioh = float(sys.argv[4])
        else:
            ratioh = ratiow
        scale_video(input_fn, output_fn, ratiow, ratioh)
    elif mode == "video_crop":
        if len(sys.argv) != 7:
            print('Usage: ti video_crop fn x_begin x_end y_begin y_end')
            exit(-1)
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-cropped.mp4'
        x_begin = float(sys.argv[3])
        x_end = float(sys.argv[4])
        y_begin = float(sys.argv[5])
        y_end = float(sys.argv[6])
        crop_video(input_fn, output_fn, x_begin, x_end, y_begin, y_end)
    elif mode == "video_speed":
        if len(sys.argv) != 4:
            print('Usage: ti video_speed fn speed_up_factor')
            exit(-1)
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '-sped.mp4'
        speed = float(sys.argv[3])
        accelerate_video(input_fn, output_fn, speed)
    elif mode == "gif":
        input_fn = sys.argv[2]
        assert input_fn[-4:] == '.mp4'
        output_fn = input_fn[:-4] + '.gif'
        ti.info('Converting {} to {}'.format(input_fn, output_fn))
        framerate = 24
        mp4_to_gif(input_fn, output_fn, framerate)
    elif mode == "convert":
        # http://www.commandlinefu.com/commands/view/3584/remove-color-codes-special-characters-with-sed
        # TODO: Windows support
        for fn in sys.argv[2:]:
            print("Converting logging file: {}".format(fn))
            tmp_fn = '/tmp/{}.{:05d}.backup'.format(fn,
                                                    random.randint(0, 10000))
            shutil.move(fn, tmp_fn)
            command = r'sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"'
            os.system('{} {} > {}'.format(command, tmp_fn, fn))
    elif mode == "merge":
        import cv2  # TODO: remove this dependency
        import numpy as np
        folders = sys.argv[2:]
        os.makedirs('merged', exist_ok=True)
        for fn in sorted(os.listdir(folders[0])):
            imgs = []
            for fld in folders:
                img = cv2.imread(os.path.join(fld, fn))
                imgs.append(img)
            img = np.hstack(imgs)
            cv2.imwrite(os.path.join('merged', fn), img)
    else:
        name = sys.argv[1]
        print('Running task [{}]...'.format(name))
        task = ti.Task(name)
        task.run(*sys.argv[2:])
    print()
    print(">>> Running time: {:.2f}s".format(time.time() - t))