ClaudeandClaude Opus 5.5
71510682dc
The legacy current-period lookup took the age modulo the first-cycle total, so anyone older than their first cycle (61-96 years on the nine public charts) got a first-cycle period: an 80-year-old was placed in 2-12. The second cycle runs the same signs for 12 minus their first-cycle years; the lookup now places the age on both cycles and subdivides with the second cycle's years. The rectification cache only covers the first cycle and falls back to the live lookup past it, so first-cycle scoring is unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DbBXoyeZrYn6ryNcSe5Y2Y
69 lines
2.7 KiB
Python
69 lines
2.7 KiB
Python
"""BUG-1545: the running Narayana period after the first cycle.
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The first cycle runs each sign for its counted years; the second runs the same
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signs in the same order for 12 minus those years. The old lookup took the age
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modulo the first-cycle total and so repeated the first cycle: an 80-year-old
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was placed in a period that ran from age 2 to 12.
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"""
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from narayana_dasha import (
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calc_narayana_mahadasha,
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get_current_narayana_dasha,
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narayana_dasha_full_report,
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second_narayana_cycle,
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)
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LAGNA = 3 # Cancer
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PLANETS = {"Sun": 80.0, "Moon": 200.0, "Mars": 10.0, "Mercury": 95.0, "Jupiter": 250.0,
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"Venus": 120.0, "Saturn": 300.0, "Rahu": 40.0, "Ketu": 220.0}
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def _first():
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return calc_narayana_mahadasha(LAGNA, PLANETS)
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def test_second_cycle_runs_the_same_signs_for_twelve_minus_the_first_years():
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first = _first()
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total = sum(p["years"] for p in first)
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second = second_narayana_cycle(first, start_age=total)
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expected = [(p["sign"], 12 - p["years"]) for p in first if p["years"] < 12]
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assert [(p["sign"], p["years"]) for p in second] == expected
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assert second[0]["start_age"] == total
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assert all(p["cycle"] == 2 for p in second)
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assert total + sum(p["years"] for p in second) == 12 * len(first)
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for a, b in zip(second, second[1:]):
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assert a["end_age"] == b["start_age"]
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def test_first_cycle_ages_are_unchanged():
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first = _first()
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for p in first:
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mid = (p["start_age"] + p["end_age"]) / 2
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current = get_current_narayana_dasha(first, mid)
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assert current["md"]["sign"] == p["sign"]
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assert current["md"]["cycle"] == 1
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def test_an_age_past_the_first_cycle_lands_in_the_second_cycle():
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first = _first()
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total = sum(p["years"] for p in first)
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second = second_narayana_cycle(first, start_age=total)
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for p in second:
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mid = (p["start_age"] + p["end_age"]) / 2
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current = get_current_narayana_dasha(first, mid)
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assert current["md"]["sign"] == p["sign"], mid
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assert current["md"]["cycle"] == 2
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assert current["md"]["start_age"] <= mid < current["md"]["end_age"]
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# the antardasha sits inside the second-cycle mahadasha
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assert current["ad"] is not None
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assert current["md"]["start_age"] <= current["ad"]["start_age"] < current["md"]["end_age"]
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assert round(current["remaining_years"], 2) == round(p["end_age"] - mid, 2)
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def test_full_report_reports_the_second_cycle_period():
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first = _first()
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total = sum(p["years"] for p in first)
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report = narayana_dasha_full_report(LAGNA, PLANETS, current_age=total + 0.5, birth_year=1940)
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md = report["current_dasha"]["md"]
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assert md["cycle"] == 2
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assert md["start_age"] == total
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