Jesse_Chen
60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
"""Localized public copy for dynamic birth-time rectification choices."""
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from __future__ import annotations
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from collections.abc import Sequence
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from datetime import date
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from typing import Final, Literal, TypedDict, assert_never
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DIMENSION_CONTEXT: Final = {
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"education": "一次明显的升学、转学或学习方向变化",
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"relocation": "一次明显的搬家、离乡或长期居住地变化",
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"relationship": "一次明显的关系进入、结束或重要转变",
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"career": "一次明显的工作、职业方向或身份变化",
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"health_pressure": "一次持续的健康压力或生活压力变化",
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}
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SUPPORTED_DIMENSIONS: Final = frozenset(DIMENSION_CONTEXT)
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class DateRange(TypedDict):
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window_start: str
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window_end: str
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RangePrecision = Literal["year", "month", "day"]
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def _range_label(item: DateRange, precision: RangePrecision) -> str:
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start = date.fromisoformat(item["window_start"])
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end = date.fromisoformat(item["window_end"])
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match precision:
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case "year":
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return f"{start.year} 年" if start.year == end.year else f"{start.year}—{end.year} 年"
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case "month":
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if start.year == end.year:
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return f"{start.year} 年 {start.month} 月—{end.month} 月"
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return f"{start.year} 年 {start.month} 月—{end.year} 年 {end.month} 月"
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case "day":
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if start.year == end.year and start.month == end.month:
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return f"{start.year} 年 {start.month} 月 {start.day} 日—{end.day} 日"
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return (
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f"{start.year} 年 {start.month} 月 {start.day} 日—"
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f"{end.year} 年 {end.month} 月 {end.day} 日"
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)
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case unreachable:
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assert_never(unreachable)
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def visible_range_labels(items: Sequence[DateRange]) -> list[str]:
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"""Use the least date precision that keeps every visible range distinct."""
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labels = [_range_label(item, "year") for item in items]
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for precision in ("month", "day"):
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duplicates = {label for label in labels if labels.count(label) > 1}
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if not duplicates:
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break
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labels = [
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_range_label(item, precision) if label in duplicates else label
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for item, label in zip(items, labels, strict=True)
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]
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return labels
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