# 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.

# __version__ = '2.0.1' ## forked mmcv version
__version__ = '1.0.0' 

def parse_version_info(version_str: str, length: int = 4) -> tuple:
    """Parse a version string into a tuple.

    Args:
        version_str (str): The version string.
        length (int): The maximum number of version levels. Default: 4.

    Returns:
        tuple[int | str]: The version info, e.g., "1.3.0" is parsed into
            (1, 3, 0, 0, 0, 0), and "2.0.0rc1" is parsed into
            (2, 0, 0, 0, 'rc', 1) (when length is set to 4).
    """
    from packaging.version import parse
    version = parse(version_str)
    assert version.release, f'failed to parse version {version_str}'
    release = list(version.release)
    release = release[:length]
    if len(release) < length:
        release = release + [0] * (length - len(release))
    if version.is_prerelease:
        release.extend(list(version.pre))  # type: ignore
    elif version.is_postrelease:
        release.extend(list(version.post))  # type: ignore
    else:
        release.extend([0, 0])
    return tuple(release)


version_info = tuple(int(x) for x in __version__.split('.')[:3])

__all__ = ['__version__', 'version_info', 'parse_version_info']