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Running
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Zero
File size: 1,401 Bytes
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# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.
from mmengine.utils import is_list_of
from .base import BaseFileHandler
from .json_handler import JsonHandler
from .pickle_handler import PickleHandler
from .yaml_handler import YamlHandler
file_handlers = {
'json': JsonHandler(),
'yaml': YamlHandler(),
'yml': YamlHandler(),
'pickle': PickleHandler(),
'pkl': PickleHandler(),
}
def _register_handler(handler, file_formats):
"""Register a handler for some file extensions.
Args:
handler (:obj:`BaseFileHandler`): Handler to be registered.
file_formats (str or list[str]): File formats to be handled by this
handler.
"""
if not isinstance(handler, BaseFileHandler):
raise TypeError(
f'handler must be a child of BaseFileHandler, not {type(handler)}')
if isinstance(file_formats, str):
file_formats = [file_formats]
if not is_list_of(file_formats, str):
raise TypeError('file_formats must be a str or a list of str')
for ext in file_formats:
file_handlers[ext] = handler
def register_handler(file_formats, **kwargs):
def wrap(cls):
_register_handler(cls(**kwargs), file_formats)
return cls
return wrap
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