diff options
Diffstat (limited to 'logical_search.py')
| -rw-r--r-- | logical_search.py | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/logical_search.py b/logical_search.py index b55e689..41ed729 100644 --- a/logical_search.py +++ b/logical_search.py @@ -9,7 +9,8 @@ from __future__ import annotations import enum import sys from collections import defaultdict -from typing import Any, Dict, List, NamedTuple, Optional, Sequence, Set, Tuple, Union +from dataclasses import dataclass, field +from typing import Any, Dict, List, Optional, Sequence, Set, Tuple, Union class ParseError(Exception): @@ -20,13 +21,22 @@ class ParseError(Exception): self.message = message -class Document(NamedTuple): - """A tuple representing a searchable document.""" +@dataclass +class Document: + """A class representing a searchable document.""" - docid: str # a unique idenfier for the document - tags: Set[str] # an optional set of tags - properties: List[Tuple[str, str]] # an optional set of key->value properties - reference: Any # an optional reference to something else + # A unique identifier for each document. + docid: str = '' + + # A set of tag strings for this document. May be empty. + tags: Set[str] = field(default_factory=set) + + # A list of key->value strings for this document. May be empty. + properties: List[Tuple[str, str]] = field(default_factory=list) + + # An optional reference to something else; interpreted only by + # caller code, ignored here. + reference: Optional[Any] = None class Operation(enum.Enum): |