code
stringlengths
17
6.64M
def create_tokenizer(tokenizer_type): 'Creates a tokenizer given a tokenizer type.' if tokenizer_type.endswith('frz'): freeze = True elif tokenizer_type.endswith('ftn'): freeze = False if tokenizer_type.startswith('bert'): model_name_or_path = 'bert-base-cased' do_lower...
def update_perf_log(epoch_perf, perf_log_path): now = time.strftime('%c') line = 't: {}, '.format(now) for key in epoch_perf: line += '{}: {}, '.format(key, epoch_perf[key]) line += '\n' with open(perf_log_path, 'a') as file: file.write(line)
class Ranger(Optimizer): def __init__(self, params, lr=0.001, alpha=0.5, k=6, n_sma_threshhold=5, betas=(0.95, 0.999), eps=1e-05, weight_decay=0): if (not (0.0 <= alpha <= 1.0)): raise ValueError(f'Invalid slow update rate: {alpha}') if (not (1 <= k)): raise ValueError(f'I...
class AverageMeter(object): def __init__(self): self.dic = {} self.reset() def reset(self): for key in self.dic: for metric in self.dic[key]: self.dic[key][metric] = 0 def update(self, key, val, n=1): self.dic.setdefault(key, {'val': 0, 'sum':...
class RawFrameExtractor(): 'frame extractor for a given of directory with video\n\n Attributes:\n centercrop: center crop for pre-preprocess\n size: resolution of images\n framerate: frame rate for sampling\n transform: transform method for pre-process\n train: set train for ...
def _run_on_single_gpu(model, batch_list_t, batch_list_v, batch_sequence_output_list, batch_visual_output_list): 'run similarity in one single gpu\n Args:\n model: CLIP2Video\n batch_list_t: id of text embedding\n batch_list_v: id of visual embedding\n batch_sequence_output_list: ba...
def eval_epoch(model, test_dataloader, device, n_gpu, logger): 'run similarity in one single gpu\n Args:\n model: CLIP2Video\n test_dataloader: data loader for test\n device: device to run model\n n_gpu: GPU number\n batch_sequence_output_list: batch text embedding\n b...
def logging_rank(sim_matrix, multi_sentence_, cut_off_points_, logger): 'run similarity in one single gpu\n Args:\n sim_matrix: similarity matrix\n multi_sentence_: indicate whether the multi sentence retrieval\n cut_off_points_: tag the label when calculate the metric\n logger: lo...
def set_seed_logger(args): 'Initialize the seed and environment variable\n\n Args:\n args: the hyper-parameters.\n\n Returns:\n args: the hyper-parameters modified by the random seed.\n\n ' global logger random.seed(args.seed) os.environ['PYTHONHASHSEED'] = str(args.seed) np...
def init_device(args, local_rank): 'Initialize device to determine CPU or GPU\n\n Args:\n args: the hyper-parameters\n local_rank: GPU id\n\n Returns:\n devices: cuda\n n_gpu: number of gpu\n\n ' global logger device = torch.device(('cuda' if torch.cuda.is_avail...
def init_model(args, device): "Initialize model.\n\n if location of args.init_model exists, model will be initialized from the pretrained model.\n if no model exists, the training will be initialized from CLIP's parameters.\n\n Args:\n args: the hyper-parameters\n devices: cuda\n\n Retur...
def main(): global logger args = get_args() args = set_seed_logger(args) (device, n_gpu) = init_device(args, args.local_rank) tokenizer = ClipTokenizer() model = init_model(args, device) assert (args.datatype in DATALOADER_DICT) (test_dataloader, test_length) = DATALOADER_DICT[args.dat...
class CrossConfig(PretrainedConfig): 'Configuration class to store the configuration of a `CrossModel`.\n ' pretrained_model_archive_map = PRETRAINED_MODEL_ARCHIVE_MAP config_name = CONFIG_NAME weights_name = WEIGHTS_NAME def __init__(self, vocab_size_or_config_json_file, hidden_size=768, num_...
class QuickGELU(nn.Module): def forward(self, x: torch.Tensor): return (x * torch.sigmoid((1.702 * x)))
class ResidualAttentionBlock(nn.Module): def __init__(self, d_model: int, n_head: int): super().__init__() self.attn = nn.MultiheadAttention(d_model, n_head) self.ln_1 = LayerNorm(d_model) self.mlp = nn.Sequential(OrderedDict([('c_fc', nn.Linear(d_model, (d_model * 4))), ('gelu', ...
class Transformer(nn.Module): def __init__(self, width: int, layers: int, heads: int): super().__init__() self.width = width self.layers = layers self.resblocks = nn.Sequential(*[ResidualAttentionBlock(width, heads) for _ in range(layers)]) def forward(self, x: torch.Tensor, ...
@lru_cache() def default_bpe(): return os.path.join(os.path.dirname(os.path.abspath(__file__)), 'bpe_simple_vocab_16e6.txt.gz')
@lru_cache() def bytes_to_unicode(): "\n Returns list of utf-8 byte and a corresponding list of unicode strings.\n The reversible bpe codes work on unicode strings.\n This means you need a large # of unicode characters in your vocab if you want to avoid UNKs.\n When you're at something like a 10B toke...
def get_pairs(word): 'Return set of symbol pairs in a word.\n Word is represented as tuple of symbols (symbols being variable-length strings).\n ' pairs = set() prev_char = word[0] for char in word[1:]: pairs.add((prev_char, char)) prev_char = char return pairs
def basic_clean(text): text = ftfy.fix_text(text) text = html.unescape(html.unescape(text)) return text.strip()
def whitespace_clean(text): text = re.sub('\\s+', ' ', text) text = text.strip() return text
class SimpleTokenizer(object): def __init__(self, bpe_path: str=default_bpe()): self.byte_encoder = bytes_to_unicode() self.byte_decoder = {v: k for (k, v) in self.byte_encoder.items()} merges = gzip.open(bpe_path).read().decode('utf-8').split('\n') merges = merges[1:(((49152 - 25...
class PretrainedConfig(object): pretrained_model_archive_map = {} config_name = '' weights_name = '' @classmethod def get_config(cls, pretrained_model_name, cache_dir, type_vocab_size, state_dict, task_config=None): archive_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), p...
def gelu(x): "Implementation of the gelu activation function.\n For information: OpenAI GPT's gelu is slightly different (and gives slightly different results):\n 0.5 * x * (1 + torch.tanh(math.sqrt(2 / math.pi) * (x + 0.044715 * torch.pow(x, 3))))\n " return ((x * 0.5) * (1.0 + torch.erf((x ...
def swish(x): return (x * torch.sigmoid(x))
class LayerNorm(nn.Module): def __init__(self, hidden_size, eps=1e-12): 'Construct a layernorm module in the TF style (epsilon inside the square root).\n ' super(LayerNorm, self).__init__() self.weight = nn.Parameter(torch.ones(hidden_size)) self.bias = nn.Parameter(torch.z...
class PreTrainedModel(nn.Module): ' An abstract class to handle weights initialization and\n a simple interface for dowloading and loading pretrained models.\n ' def __init__(self, config, *inputs, **kwargs): super(PreTrainedModel, self).__init__() if (not isinstance(config, Pretrai...
class CrossEn(nn.Module): 'cross entroy loss' def __init__(self): super(CrossEn, self).__init__() def forward(self, sim_matrix): logpt = F.log_softmax(sim_matrix, dim=(- 1)) logpt = torch.diag(logpt) nce_loss = (- logpt) sim_loss = nce_loss.mean() return s...
def extract_frames(video_name, out_folder, fps=5): if os.path.exists(out_folder): os.system((('rm -rf ' + out_folder) + '/*')) os.system(('rm -rf ' + out_folder)) os.makedirs(out_folder) cmd = ('ffmpeg -v 0 -i %s -r %d -q 0 %s/%s.jpg' % (video_name, fps, out_folder, '%08d')) os.system(...
def process(line): print(line) (mp4_name, folder_frame) = line extract_frames(mp4_name, folder_frame)
def get_args(description='CLIP2Video on Dideo-Text Retrieval Task'): parser = argparse.ArgumentParser(description=description) parser.add_argument('--do_eval', action='store_true', help='Whether to run eval on the dev set.') parser.add_argument('--val_csv', type=str, default='data/.val.csv', help='') ...
def dataloader_vatexEnglish_train(args, tokenizer): 'return dataloader for training VATEX with English annotations\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(vatexEnglish_dataset): length\n train_sampler: sampler for d...
def dataloader_vatexEnglish_test(args, tokenizer, subset='test'): 'return dataloader for testing VATEX with English annotations in multi-sentence captions\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(vatexEnglish_dataset): leng...
def dataloader_msrvtt_train(args, tokenizer): 'return dataloader for training msrvtt-9k\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(msrvtt_train_set): length\n train_sampler: sampler for distributed training\n ' ...
def dataloader_msrvtt_test(args, tokenizer): 'return dataloader for testing 1k-A protocol\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(msrvtt_test_set): length\n ' msrvtt_test_set = MSRVTT_single_sentence_dataLoader(csv_...
def dataloader_msrvttfull_test(args, tokenizer): 'return dataloader for testing full protocol\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(msrvtt_test_set): length\n ' msrvtt_test_set = MSRVTTFULL_multi_sentence_dataLoad...
def dataloader_msvd_train(args, tokenizer): 'return dataloader for training msvd\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(msvd_dataset): length\n train_sampler: sampler for distributed training\n ' msvd_datase...
def dataloader_msvd_test(args, tokenizer, subset='test'): 'return dataloader for testing msvd in multi-sentence captions\n Args:\n args: hyper-parameters\n tokenizer: tokenizer\n Returns:\n dataloader: dataloader\n len(msvd_dataset): length\n ' msvd_test_set = MSVD_multi_s...
def get_a_var(obj): if isinstance(obj, torch.Tensor): return obj if (isinstance(obj, list) or isinstance(obj, tuple)): for result in map(get_a_var, obj): if isinstance(result, torch.Tensor): return result if isinstance(obj, dict): for result in map(get_a...
def parallel_apply(fct, model, inputs, device_ids): modules = nn.parallel.replicate(model, device_ids) assert (len(modules) == len(inputs)) lock = threading.Lock() results = {} grad_enabled = torch.is_grad_enabled() def _worker(i, module, input): torch.set_grad_enabled(grad_enabled) ...
def get_logger(filename=None): logger = logging.getLogger('logger') logger.setLevel(logging.DEBUG) logging.basicConfig(format='%(asctime)s - %(levelname)s - %(message)s', datefmt='%m/%d/%Y %H:%M:%S', level=logging.INFO) if (filename is not None): handler = logging.FileHandler(filename) ...
def dataloader_msrvtt_train(args, tokenizer): msrvtt_dataset = MSRVTTDataset(subset='train', anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) try: train_sampler = torch.ut...
def dataloader_msrvtt_test(args, tokenizer, subset='test'): msrvtt_testset = MSRVTTDataset(subset=subset, anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) try: test_sample...
def dataloader_lsmdc_train(args, tokenizer): lsmdc_dataset = LsmdcDataset(subset='train', anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) train_sampler = torch.utils.data.distrib...
def dataloader_lsmdc_test(args, tokenizer, subset='test'): lsmdc_testset = LsmdcDataset(subset=subset, anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) try: test_sampler =...
def dataloader_activity_train(args, tokenizer): activity_dataset = ActivityNetDataset(subset='train', data_path=args.anno_path, features_path=args.video_path, max_words=args.max_words, feature_framerate=args.video_framerate, tokenizer=tokenizer, max_frames=args.max_frames) train_sampler = torch.utils.data.dis...
def dataloader_activity_test(args, tokenizer, subset='test'): activity_testset = ActivityNetDataset(subset=subset, data_path=args.anno_path, features_path=args.video_path, max_words=args.max_words, feature_framerate=args.video_framerate, tokenizer=tokenizer, max_frames=args.max_frames) try: test_sampl...
def dataloader_msvd_train(args, tokenizer): msvd_dataset = MsvdDataset(subset='train', anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) train_sampler = torch.utils.data.distribute...
def dataloader_msvd_test(args, tokenizer, subset='test'): msvd_testset = MsvdDataset(subset=subset, anno_path=args.anno_path, video_path=args.video_path, max_words=args.max_words, tokenizer=tokenizer, max_frames=args.max_frames, video_framerate=args.video_framerate, config=args) dataloader_msvd = DataLoader(m...
def dataloader_didemo_train(args, tokenizer): didemo_dataset = DiDeMoDataset(subset='train', data_path=args.anno_path, features_path=args.video_path, max_words=args.max_words, feature_framerate=args.video_framerate, tokenizer=tokenizer, max_frames=args.max_frames) train_sampler = torch.utils.data.distributed....
def dataloader_didemo_test(args, tokenizer, subset='test'): didemo_testset = DiDeMoDataset(subset=subset, data_path=args.anno_path, features_path=args.video_path, max_words=args.max_words, feature_framerate=args.video_framerate, tokenizer=tokenizer, max_frames=args.max_frames) try: test_sampler = torc...
class LsmdcDataset(RetrievalDataset): 'LSMDC dataset.' def __init__(self, subset, anno_path, video_path, tokenizer, max_words=32, max_frames=12, video_framerate=1, image_resolution=224, mode='all', config=None): super(LsmdcDataset, self).__init__(subset, anno_path, video_path, tokenizer, max_words, m...
class MSRVTTDataset(RetrievalDataset): 'MSRVTT dataset.' def __init__(self, subset, anno_path, video_path, tokenizer, max_words=32, max_frames=12, video_framerate=1, image_resolution=224, mode='all', config=None): super(MSRVTTDataset, self).__init__(subset, anno_path, video_path, tokenizer, max_words...
class MsvdDataset(RetrievalDataset): 'MSVD dataset loader.' def __init__(self, subset, anno_path, video_path, tokenizer, max_words=32, max_frames=12, video_framerate=1, image_resolution=224, mode='all', config=None): super(MsvdDataset, self).__init__(subset, anno_path, video_path, tokenizer, max_word...
def _interpolation(kwargs): interpolation = kwargs.pop('resample', Image.BILINEAR) if isinstance(interpolation, (list, tuple)): return random.choice(interpolation) else: return interpolation
def _check_args_tf(kwargs): if (('fillcolor' in kwargs) and (_PIL_VER < (5, 0))): kwargs.pop('fillcolor') kwargs['resample'] = _interpolation(kwargs)
def shear_x(img, factor, **kwargs): _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, factor, 0, 0, 1, 0), **kwargs)
def shear_y(img, factor, **kwargs): _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, 0, 0, factor, 1, 0), **kwargs)
def translate_x_rel(img, pct, **kwargs): pixels = (pct * img.size[0]) _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, 0, pixels, 0, 1, 0), **kwargs)
def translate_y_rel(img, pct, **kwargs): pixels = (pct * img.size[1]) _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, 0, 0, 0, 1, pixels), **kwargs)
def translate_x_abs(img, pixels, **kwargs): _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, 0, pixels, 0, 1, 0), **kwargs)
def translate_y_abs(img, pixels, **kwargs): _check_args_tf(kwargs) return img.transform(img.size, Image.AFFINE, (1, 0, 0, 0, 1, pixels), **kwargs)
def rotate(img, degrees, **kwargs): _check_args_tf(kwargs) if (_PIL_VER >= (5, 2)): return img.rotate(degrees, **kwargs) elif (_PIL_VER >= (5, 0)): (w, h) = img.size post_trans = (0, 0) rotn_center = ((w / 2.0), (h / 2.0)) angle = (- math.radians(degrees)) m...
def auto_contrast(img, **__): return ImageOps.autocontrast(img)
def invert(img, **__): return ImageOps.invert(img)
def equalize(img, **__): return ImageOps.equalize(img)
def solarize(img, thresh, **__): return ImageOps.solarize(img, thresh)
def solarize_add(img, add, thresh=128, **__): lut = [] for i in range(256): if (i < thresh): lut.append(min(255, (i + add))) else: lut.append(i) if (img.mode in ('L', 'RGB')): if ((img.mode == 'RGB') and (len(lut) == 256)): lut = ((lut + lut) + l...
def posterize(img, bits_to_keep, **__): if (bits_to_keep >= 8): return img return ImageOps.posterize(img, bits_to_keep)
def contrast(img, factor, **__): return ImageEnhance.Contrast(img).enhance(factor)
def color(img, factor, **__): return ImageEnhance.Color(img).enhance(factor)
def brightness(img, factor, **__): return ImageEnhance.Brightness(img).enhance(factor)
def sharpness(img, factor, **__): return ImageEnhance.Sharpness(img).enhance(factor)
def _randomly_negate(v): 'With 50% prob, negate the value' return ((- v) if (random.random() > 0.5) else v)
def _rotate_level_to_arg(level, _hparams): level = ((level / _MAX_LEVEL) * 30.0) level = _randomly_negate(level) return (level,)
def _enhance_level_to_arg(level, _hparams): return ((((level / _MAX_LEVEL) * 1.8) + 0.1),)
def _enhance_increasing_level_to_arg(level, _hparams): level = ((level / _MAX_LEVEL) * 0.9) level = (1.0 + _randomly_negate(level)) return (level,)
def _shear_level_to_arg(level, _hparams): level = ((level / _MAX_LEVEL) * 0.3) level = _randomly_negate(level) return (level,)
def _translate_abs_level_to_arg(level, hparams): translate_const = hparams['translate_const'] level = ((level / _MAX_LEVEL) * float(translate_const)) level = _randomly_negate(level) return (level,)
def _translate_rel_level_to_arg(level, hparams): translate_pct = hparams.get('translate_pct', 0.45) level = ((level / _MAX_LEVEL) * translate_pct) level = _randomly_negate(level) return (level,)
def _posterize_level_to_arg(level, _hparams): return (int(((level / _MAX_LEVEL) * 4)),)
def _posterize_increasing_level_to_arg(level, hparams): return ((4 - _posterize_level_to_arg(level, hparams)[0]),)
def _posterize_original_level_to_arg(level, _hparams): return ((int(((level / _MAX_LEVEL) * 4)) + 4),)
def _solarize_level_to_arg(level, _hparams): return (int(((level / _MAX_LEVEL) * 256)),)
def _solarize_increasing_level_to_arg(level, _hparams): return ((256 - _solarize_level_to_arg(level, _hparams)[0]),)
def _solarize_add_level_to_arg(level, _hparams): return (int(((level / _MAX_LEVEL) * 110)),)
class AugmentOp(): '\n Apply for video.\n ' def __init__(self, name, prob=0.5, magnitude=10, hparams=None): hparams = (hparams or _HPARAMS_DEFAULT) self.aug_fn = NAME_TO_OP[name] self.level_fn = LEVEL_TO_ARG[name] self.prob = prob self.magnitude = magnitude ...
def _select_rand_weights(weight_idx=0, transforms=None): transforms = (transforms or _RAND_TRANSFORMS) assert (weight_idx == 0) rand_weights = _RAND_CHOICE_WEIGHTS_0 probs = [rand_weights[k] for k in transforms] probs /= np.sum(probs) return probs
def rand_augment_ops(magnitude=10, hparams=None, transforms=None): hparams = (hparams or _HPARAMS_DEFAULT) transforms = (transforms or _RAND_TRANSFORMS) return [AugmentOp(name, prob=0.5, magnitude=magnitude, hparams=hparams) for name in transforms]
class RandAugment(): def __init__(self, ops, num_layers=2, choice_weights=None): self.ops = ops self.num_layers = num_layers self.choice_weights = choice_weights def __call__(self, img): ops = np.random.choice(self.ops, self.num_layers, replace=(self.choice_weights is None), ...
def rand_augment_transform(config_str, hparams): "\n RandAugment: Practical automated data augmentation... - https://arxiv.org/abs/1909.13719\n\n Create a RandAugment transform\n :param config_str: String defining configuration of random augmentation. Consists of multiple sections separated by\n dashe...
class RawVideoExtractorCV2(): def __init__(self, centercrop=False, size=224, framerate=(- 1), subset='test'): self.centercrop = centercrop self.size = size self.framerate = framerate self.transform = self._transform(self.size) self.subset = subset self.tsfm_dict = ...
class LayerNorm(nn.LayerNorm): "Subclass torch's LayerNorm to handle fp16." def forward(self, x: torch.Tensor): orig_type = x.dtype ret = super().forward(x.type(torch.float32)) return ret.type(orig_type)
class QuickGELU(nn.Module): def forward(self, x: torch.Tensor): return (x * torch.sigmoid((1.702 * x)))
class ResidualAttentionBlock(nn.Module): def __init__(self, d_model: int, n_head: int, attn_mask=None): super(ResidualAttentionBlock, self).__init__() self.attn = nn.MultiheadAttention(d_model, n_head) self.ln_1 = LayerNorm(d_model) self.mlp = nn.Sequential(OrderedDict([('c_fc', n...
class Transformer(nn.Module): def __init__(self, width: int, layers: int, heads: int, attn_mask=None): super(Transformer, self).__init__() self.width = width self.layers = layers self.resblocks = nn.Sequential(*[ResidualAttentionBlock(width, heads) for _ in range(layers)]) de...
def warmup_cosine(x, warmup=0.002): if (x < warmup): return (x / warmup) return (0.5 * (1.0 + math.cos((math.pi * x))))
def warmup_constant(x, warmup=0.002): ' Linearly increases learning rate over `warmup`*`t_total` (as provided to BertAdam) training steps.\n Learning rate is 1. afterwards. ' if (x < warmup): return (x / warmup) return 1.0
def warmup_linear(x, warmup=0.002): ' Specifies a triangular learning rate schedule where peak is reached at `warmup`*`t_total`-th (as provided to BertAdam) training step.\n After `t_total`-th training step, learning rate is zero. ' if (x < warmup): return (x / warmup) return max(((x - 1.0)...
class BertAdam(Optimizer): "Implements BERT version of Adam algorithm with weight decay fix.\n Params:\n lr: learning rate\n warmup: portion of t_total for the warmup, -1 means no warmup. Default: -1\n t_total: total number of training steps for the learning\n rate schedule, -1...