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"""
Utilities for plugins to ase
"""
from typing import List, NamedTuple, Optional, Union
# Name is defined in the entry point
class ExternalIOFormat(NamedTuple):
desc: str
code: str
module: Optional[str] = None
glob: Optional[Union[str, List[str]]] = None
ext: Optional[Union[str, List[str]]] = None
magic: Optional[Union[bytes, List[bytes]]] = None
magic_regex: Optional[bytes] = None
class ExternalViewer(NamedTuple):
desc: str
module: Optional[str] = None
cli: Optional[bool] = False
fmt: Optional[str] = None
argv: Optional[List[str]] = None
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