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Source code for mmcls.utils.logger

# Copyright (c) OpenMMLab. All rights reserved.
import json
import logging
from collections import defaultdict

from mmcv.utils import get_logger

[docs]def get_root_logger(log_file=None, log_level=logging.INFO): """Get root logger. Args: log_file (str, optional): File path of log. Defaults to None. log_level (int, optional): The level of logger. Defaults to :obj:`logging.INFO`. Returns: :obj:`logging.Logger`: The obtained logger """ return get_logger('mmcls', log_file, log_level)
[docs]def load_json_log(json_log): """load and convert json_logs to log_dicts. Args: json_log (str): The path of the json log file. Returns: dict[int, dict[str, list]]: Key is the epoch, value is a sub dict. The keys in each sub dict are different metrics, e.g. memory, bbox_mAP, and the value is a list of corresponding values in all iterations in this epoch. .. code-block:: python # An example output { 1: {'iter': [100, 200, 300], 'loss': [6.94, 6.73, 6.53]}, 2: {'iter': [100, 200, 300], 'loss': [6.33, 6.20, 6.07]}, ... } """ log_dict = dict() with open(json_log, 'r') as log_file: for line in log_file: log = json.loads(line.strip()) # skip lines without `epoch` field if 'epoch' not in log: continue epoch = log.pop('epoch') if epoch not in log_dict: log_dict[epoch] = defaultdict(list) for k, v in log.items(): log_dict[epoch][k].append(v) return log_dict
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