33 lines
722 B
Python
33 lines
722 B
Python
"""Document handling classes"""
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from abc import ABC, abstractmethod
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from datetime import datetime
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from typing import Optional
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from ..identity import Identity
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from ..path import Path
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class Document(ABC): # pragma: no cover pylint: disable=too-few-public-methods
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"""Abstract base class for documents"""
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path: Path
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author: Identity
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timestamp: datetime
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signature: Optional[str]
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@property
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@abstractmethod
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def content_length(self) -> int:
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"""The length of the document"""
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@abstractmethod
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def sign(self, identity: Optional[Identity] = None) -> None:
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"""Sign the document as identity
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If ``identity`` is ``None``, use ``self.author`` instead.
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"""
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