mirror of https://github.com/open-mmlab/mmcv.git
119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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import logging
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import os
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import platform
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import tempfile
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from unittest.mock import patch
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import pytest
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from mmcv import get_logger, print_log
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if platform.system() == 'Windows':
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import regex as re
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else:
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import re
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@patch('torch.distributed.get_rank', lambda: 0)
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@patch('torch.distributed.is_initialized', lambda: True)
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@patch('torch.distributed.is_available', lambda: True)
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def test_get_logger_rank0():
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logger = get_logger('rank0.pkg1')
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assert isinstance(logger, logging.Logger)
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assert len(logger.handlers) == 1
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assert isinstance(logger.handlers[0], logging.StreamHandler)
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assert logger.handlers[0].level == logging.INFO
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logger = get_logger('rank0.pkg2', log_level=logging.DEBUG)
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assert isinstance(logger, logging.Logger)
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assert len(logger.handlers) == 1
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assert logger.handlers[0].level == logging.DEBUG
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# the name can not be used to open the file a second time in windows,
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# so `delete` should be set as `False` and we need to manually remove it
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# more details can be found at https://github.com/open-mmlab/mmcv/pull/1077
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with tempfile.NamedTemporaryFile(delete=False) as f:
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logger = get_logger('rank0.pkg3', log_file=f.name)
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assert isinstance(logger, logging.Logger)
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assert len(logger.handlers) == 2
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assert isinstance(logger.handlers[0], logging.StreamHandler)
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assert isinstance(logger.handlers[1], logging.FileHandler)
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logger_pkg3 = get_logger('rank0.pkg3')
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assert id(logger_pkg3) == id(logger)
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# flushing and closing all handlers in order to remove `f.name`
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logging.shutdown()
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os.remove(f.name)
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logger_pkg3 = get_logger('rank0.pkg3.subpkg')
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assert logger_pkg3.handlers == logger_pkg3.handlers
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@patch('torch.distributed.get_rank', lambda: 1)
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@patch('torch.distributed.is_initialized', lambda: True)
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@patch('torch.distributed.is_available', lambda: True)
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def test_get_logger_rank1():
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logger = get_logger('rank1.pkg1')
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assert isinstance(logger, logging.Logger)
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assert len(logger.handlers) == 1
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assert isinstance(logger.handlers[0], logging.StreamHandler)
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assert logger.handlers[0].level == logging.INFO
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# the name can not be used to open the file a second time in windows,
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# so `delete` should be set as `False` and we need to manually remove it
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# more details can be found at https://github.com/open-mmlab/mmcv/pull/1077
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with tempfile.NamedTemporaryFile(delete=False) as f:
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logger = get_logger('rank1.pkg2', log_file=f.name)
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assert isinstance(logger, logging.Logger)
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assert len(logger.handlers) == 1
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assert logger.handlers[0].level == logging.INFO
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# flushing and closing all handlers in order to remove `f.name`
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logging.shutdown()
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os.remove(f.name)
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def test_print_log_print(capsys):
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print_log('welcome', logger=None)
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out, _ = capsys.readouterr()
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assert out == 'welcome\n'
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def test_print_log_silent(capsys, caplog):
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print_log('welcome', logger='silent')
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out, _ = capsys.readouterr()
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assert out == ''
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assert len(caplog.records) == 0
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def test_print_log_logger(caplog):
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print_log('welcome', logger='mmcv')
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assert caplog.record_tuples[-1] == ('mmcv', logging.INFO, 'welcome')
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print_log('welcome', logger='mmcv', level=logging.ERROR)
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assert caplog.record_tuples[-1] == ('mmcv', logging.ERROR, 'welcome')
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# the name can not be used to open the file a second time in windows,
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# so `delete` should be set as `False` and we need to manually remove it
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# more details can be found at https://github.com/open-mmlab/mmcv/pull/1077
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with tempfile.NamedTemporaryFile(delete=False) as f:
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logger = get_logger('abc', log_file=f.name)
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print_log('welcome', logger=logger)
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assert caplog.record_tuples[-1] == ('abc', logging.INFO, 'welcome')
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with open(f.name) as fin:
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log_text = fin.read()
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regex_time = r'\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3}'
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match = re.fullmatch(regex_time + r' - abc - INFO - welcome\n',
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log_text)
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assert match is not None
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# flushing and closing all handlers in order to remove `f.name`
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logging.shutdown()
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os.remove(f.name)
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def test_print_log_exception():
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with pytest.raises(TypeError):
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print_log('welcome', logger=0)
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