183 lines
4.6 KiB
Python
183 lines
4.6 KiB
Python
# coding=utf-8
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# Copyright 2020 Optuna, Hugging Face
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Logging utilities."""
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import logging
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import os
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from logging import (
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CRITICAL, # NOQA
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DEBUG, # NOQA
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ERROR, # NOQA
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FATAL, # NOQA
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INFO, # NOQA
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NOTSET, # NOQA
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WARN, # NOQA
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WARNING, # NOQA
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)
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from typing import Optional
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log_levels = {
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"debug": logging.DEBUG,
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"info": logging.INFO,
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"warning": logging.WARNING,
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"error": logging.ERROR,
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"critical": logging.CRITICAL,
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}
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_default_log_level = logging.WARNING
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def _get_library_name() -> str:
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return __name__.split(".")[0]
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def _get_library_root_logger() -> logging.Logger:
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return logging.getLogger(_get_library_name())
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def _get_default_logging_level():
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"""
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If `HF_HUB_VERBOSITY` env var is set to one of the valid choices return that as the new default level. If it is not
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- fall back to `_default_log_level`
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"""
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env_level_str = os.getenv("HF_HUB_VERBOSITY", None)
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if env_level_str:
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if env_level_str in log_levels:
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return log_levels[env_level_str]
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else:
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logging.getLogger().warning(
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f"Unknown option HF_HUB_VERBOSITY={env_level_str}, has to be one of: { ', '.join(log_levels.keys()) }"
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)
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return _default_log_level
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def _configure_library_root_logger() -> None:
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library_root_logger = _get_library_root_logger()
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library_root_logger.addHandler(logging.StreamHandler())
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library_root_logger.setLevel(_get_default_logging_level())
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def _reset_library_root_logger() -> None:
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library_root_logger = _get_library_root_logger()
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library_root_logger.setLevel(logging.NOTSET)
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def get_logger(name: Optional[str] = None) -> logging.Logger:
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"""
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Returns a logger with the specified name. This function is not supposed
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to be directly accessed by library users.
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Args:
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name (`str`, *optional*):
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The name of the logger to get, usually the filename
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Example:
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```python
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>>> from huggingface_hub import get_logger
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>>> logger = get_logger(__file__)
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>>> logger.set_verbosity_info()
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```
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"""
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if name is None:
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name = _get_library_name()
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return logging.getLogger(name)
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def get_verbosity() -> int:
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"""Return the current level for the HuggingFace Hub's root logger.
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Returns:
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Logging level, e.g., `huggingface_hub.logging.DEBUG` and
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`huggingface_hub.logging.INFO`.
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<Tip>
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HuggingFace Hub has following logging levels:
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- `huggingface_hub.logging.CRITICAL`, `huggingface_hub.logging.FATAL`
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- `huggingface_hub.logging.ERROR`
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- `huggingface_hub.logging.WARNING`, `huggingface_hub.logging.WARN`
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- `huggingface_hub.logging.INFO`
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- `huggingface_hub.logging.DEBUG`
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</Tip>
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"""
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return _get_library_root_logger().getEffectiveLevel()
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def set_verbosity(verbosity: int) -> None:
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"""
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Sets the level for the HuggingFace Hub's root logger.
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Args:
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verbosity (`int`):
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Logging level, e.g., `huggingface_hub.logging.DEBUG` and
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`huggingface_hub.logging.INFO`.
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"""
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_get_library_root_logger().setLevel(verbosity)
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def set_verbosity_info():
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"""
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Sets the verbosity to `logging.INFO`.
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"""
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return set_verbosity(INFO)
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def set_verbosity_warning():
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"""
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Sets the verbosity to `logging.WARNING`.
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"""
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return set_verbosity(WARNING)
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def set_verbosity_debug():
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"""
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Sets the verbosity to `logging.DEBUG`.
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"""
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return set_verbosity(DEBUG)
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def set_verbosity_error():
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"""
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Sets the verbosity to `logging.ERROR`.
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"""
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return set_verbosity(ERROR)
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def disable_propagation() -> None:
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"""
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Disable propagation of the library log outputs. Note that log propagation is
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disabled by default.
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"""
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_get_library_root_logger().propagate = False
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def enable_propagation() -> None:
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"""
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Enable propagation of the library log outputs. Please disable the
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HuggingFace Hub's default handler to prevent double logging if the root
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logger has been configured.
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"""
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_get_library_root_logger().propagate = True
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_configure_library_root_logger()
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