jesse-uxandGrok (agent loop)
5ac88e58f5
Ashtottari 在适用时把出生前已经走过的部分算进时间线。 Co-Authored-By: Grok (agent loop)
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
"""Shared dasha arithmetic used by the conditional-dasha modules.
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This module must not import the API server or PyJHora. PyJHora stays a test
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oracle only.
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"""
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from __future__ import annotations
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NAKSHATRA_SPAN = 360.0 / 27.0
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# Insertion order is the Vimshottari sequence. Callers compare items() before
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# replacing a local table, and rely on this order staying stable.
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VIMSHOTTARI_YEARS = {
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"Ketu": 7,
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"Venus": 20,
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"Sun": 6,
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"Moon": 10,
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"Mars": 7,
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"Rahu": 18,
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"Jupiter": 16,
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"Saturn": 19,
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"Mercury": 17,
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}
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VIMSHOTTARI_ORDER = list(VIMSHOTTARI_YEARS.keys())
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def nakshatra_seeded_birth_balance(
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moon_longitude: float,
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*,
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anchor_index: int,
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sequence: tuple | list,
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) -> tuple[str, float, int]:
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"""Birth lord and remaining years for a nakshatra-seeded conditional dasha.
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The arithmetic matches the six copied helpers: offset from the anchor
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nakshatra, lord = sequence[offset % length], balance = years * (1 - fraction
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already elapsed inside the nakshatra). Operation order is fixed so the
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float matches the previous per-module copies.
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"""
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moon = float(moon_longitude) % 360.0
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nakshatra_index = int(moon // NAKSHATRA_SPAN)
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offset = (nakshatra_index - int(anchor_index)) % 27
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lord, full_years = sequence[offset % len(sequence)]
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fraction_elapsed = (moon % NAKSHATRA_SPAN) / NAKSHATRA_SPAN
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remaining_years = full_years * (1.0 - fraction_elapsed)
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return lord, remaining_years, nakshatra_index
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