2026-09-18 16:08:41 -04:00
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"""The command line's answer, which every other surface is measured against."""
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import json
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import os
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import subprocess
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import sys
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FIELDS = [
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"date", "weekday", "jurisdiction", "calendar", "churchDate", "season",
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2026-09-21 09:25:56 -04:00
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"cycle", "week", "feast", "rank", "sign", "tradition", "title", "commemorations",
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2026-09-18 16:08:41 -04:00
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"fast", "fastLabel", "emoji", "reason", "obligation", "binds", "pascha",
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"daysToPascha", "julianOffset",
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]
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cli, probes_path, out_path = sys.argv[1:4]
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# Neither a config file nor a fetched menaion may reach any surface, or the
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# comparison measures the machine rather than the code. The caller has already
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# pointed these at empty directories; this only refuses to run without them,
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# because an oracle that quietly read the developer's own jurisdiction would
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# make every surface agree about the wrong thing.
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env = dict(os.environ)
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for var in ("XDG_CONFIG_HOME", "XDG_DATA_HOME"):
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if not env.get(var):
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sys.exit(f"{var} must be set to an empty directory before reckoning the oracle")
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out = {}
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for date, jurisdiction, typikon in json.load(open(probes_path)):
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args = [cli, "--date", date, "--jurisdiction", jurisdiction, "--json",
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"--typikon" if typikon else "--no-typikon"]
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day = json.loads(subprocess.run(args, capture_output=True, text=True,
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env=env, check=True).stdout)
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out[f"{date}|{jurisdiction}|{int(typikon)}"] = {k: day[k] for k in FIELDS}
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json.dump(out, open(out_path, "w"), ensure_ascii=False)
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print(f"oracle: {len(out)} probes, {len(FIELDS)} fields")
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