Jesse_ChenandCursor
04ad3325d5
Venus/Jupiter/Moon periods no longer collapse into one marriage-opportunity line. Full reading reports the ten BPHS conditional dasha families; Skill 6.9.16. Co-authored-by: Cursor <cursoragent@cursor.com>
121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
#!/usr/bin/env python3
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"""Source-bounded Shattrimshatsama (36-year) Mahadasha producer."""
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from __future__ import annotations
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from datetime import datetime, timedelta
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from typing import Any
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YEAR_DAYS = 365.25636
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NAKSHATRA_SPAN = 360.0 / 27.0
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SRAVANA_INDEX = 21
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TOTAL_CYCLE = 36
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DASHA_SEQUENCE = (
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("Moon", 1),
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("Sun", 2),
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("Jupiter", 3),
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("Mars", 4),
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("Mercury", 5),
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("Saturn", 6),
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("Venus", 7),
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("Rahu", 8),
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)
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_YEARS = dict(DASHA_SEQUENCE)
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def shattrimshatsama_applicability(*, birth_is_daytime: bool, ascendant_hora_lord: str) -> dict[str, Any]:
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"""Apply the day/Sun-Hora or night/Moon-Hora condition."""
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hora_lord = str(ascendant_hora_lord).strip().title()
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applicable = (bool(birth_is_daytime) and hora_lord == "Sun") or (
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not bool(birth_is_daytime) and hora_lord == "Moon"
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)
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return {
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"applicable": applicable,
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"birth_is_daytime": bool(birth_is_daytime),
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"ascendant_hora_lord": hora_lord,
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"rule_family": "bphs_shattrimshatsama_day_sun_hora_or_night_moon_hora",
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"reason": (
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"Birth matches the day/Sun-Hora or night/Moon-Hora condition."
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if applicable
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else "Shattrimshatsama requires day birth with Sun Hora, or night birth with Moon Hora."
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),
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}
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def _sequence_from(lord: str) -> list[tuple[str, int]]:
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start = next(index for index, (item, _years) in enumerate(DASHA_SEQUENCE) if item == lord)
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return list(DASHA_SEQUENCE[start:] + DASHA_SEQUENCE[:start])
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def _birth_lord_and_balance(moon_longitude: float) -> tuple[str, float, int]:
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moon = float(moon_longitude) % 360.0
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nakshatra = int(moon // NAKSHATRA_SPAN)
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lord = DASHA_SEQUENCE[((nakshatra - SRAVANA_INDEX) % 27) % len(DASHA_SEQUENCE)][0]
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balance = _YEARS[lord] * (1.0 - (moon % NAKSHATRA_SPAN) / NAKSHATRA_SPAN)
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return lord, balance, nakshatra
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def calculate_shattrimshatsama_dasha(birth_info: dict[str, Any]) -> dict[str, Any]:
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"""Return birth-forward MD rows; child-period boundaries stay blocked."""
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required = ("birth_datetime", "birth_is_daytime", "ascendant_hora_lord", "moon_longitude")
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missing = [field for field in required if birth_info.get(field) is None]
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if missing:
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return {
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"applicable": False,
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"execution_status": "blocked",
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"confidence_status": "blocked",
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"reason": "Missing required input: " + ", ".join(missing),
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"major": [],
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}
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birth = birth_info["birth_datetime"]
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if isinstance(birth, str):
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birth = datetime.fromisoformat(birth)
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applicability = shattrimshatsama_applicability(
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birth_is_daytime=bool(birth_info["birth_is_daytime"]),
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ascendant_hora_lord=str(birth_info["ascendant_hora_lord"]),
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)
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if not applicability["applicable"]:
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return {
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**applicability,
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"execution_status": "not_applicable",
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"confidence_status": "not_applicable",
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"total_cycle": TOTAL_CYCLE,
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"major": [],
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}
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year_days = float(birth_info.get("dasha_year_days") or YEAR_DAYS)
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lord, balance, nakshatra = _birth_lord_and_balance(float(birth_info["moon_longitude"]))
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cursor = birth
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rows = []
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for index, (row_lord, full_years) in enumerate(_sequence_from(lord)):
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years = balance if index == 0 else float(full_years)
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end = cursor + timedelta(days=years * year_days)
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rows.append(
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{
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"level": "mahadasha",
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"lord": row_lord,
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"planet": row_lord,
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"years": years,
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"full_years": full_years,
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"is_birth_balance": index == 0,
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"start_date": cursor.isoformat(timespec="seconds"),
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"end_date": end.isoformat(timespec="seconds"),
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}
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)
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cursor = end
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return {
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**applicability,
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"execution_status": "executed",
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"confidence_status": "parameter_sensitive",
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"verification_status": "source_bounded_local_candidate",
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"period_depth_status": "mahadasha_executed_ad_pd_blocked_pending_row_level_replay",
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"total_cycle": TOTAL_CYCLE,
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"dasha_year_days": year_days,
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"moon_nakshatra_index": nakshatra,
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"starting_lord": lord,
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"dasha_balance_at_birth_years": balance,
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"major": rows,
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"reason": "Local source-bounded MD calculation; AD/PD are intentionally blocked pending row-level parity and runtime wiring.",
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"source_locator": "BPHS conditional Dasha passages: day/Sun-Hora or night/Moon-Hora gate, Sravana count, Moon-to-Rahu order, and 1-8 year allotments.",
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}
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