justin
0c9bc3b328
New futures_quote(commodity, delivery?) tool wraps the new /api/data/futures endpoint: reports latest price, today's session open, prior settle, and both moves (since open and on the day). With a delivery month it resolves the listed contract; without it, the continuous nearby. Adds client.futures(), fmt_futures(), tests, and a CHANGELOG entry. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
"""Thin HTTPS client for ag-monitor's /api/data/* endpoints.
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The MCP server doesn't talk to SQLite directly — it goes over HTTPS to the
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ag-monitor service on a different LAN host. One X-API-Key header guards
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every call. Failures bubble up as ``AgBidsError`` so tool functions can
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turn them into user-friendly markdown.
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"""
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from __future__ import annotations
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import logging
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import os
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from typing import Any
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import httpx
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logger = logging.getLogger(__name__)
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class AgBidsError(RuntimeError):
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"""Anything went wrong calling ag-monitor."""
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def _config() -> tuple[str, str, float]:
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url = os.environ.get("AG_BIDS_API_URL", "https://agbids.paul.farm").rstrip("/")
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key = os.environ.get("AG_BIDS_API_KEY", "")
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timeout = float(os.environ.get("AG_BIDS_API_TIMEOUT_SECS", "20"))
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if not key:
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raise AgBidsError("AG_BIDS_API_KEY is not set in the environment")
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return url, key, timeout
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def _get(path: str, **params: Any) -> dict | list:
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url_base, key, timeout = _config()
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url = f"{url_base}{path}"
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# Drop None values so the upstream doesn't see empty query strings.
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clean: dict[str, Any] = {k: v for k, v in params.items() if v is not None and v != ""}
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try:
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r = httpx.get(url, params=clean, timeout=timeout,
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headers={"X-API-Key": key, "Accept": "application/json"})
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except httpx.RequestError as e:
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raise AgBidsError(f"GET {url} failed: {e}") from e
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if r.status_code != 200:
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raise AgBidsError(
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f"GET {url} returned {r.status_code}: {r.text[:200]}"
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)
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try:
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return r.json()
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except ValueError as e:
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raise AgBidsError(f"GET {url} returned non-JSON: {r.text[:200]}") from e
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# ---- Public client API (mirrors /api/data/* shape) ----
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def latest(commodity: str | None = None, source: str | None = None,
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delivery: str | None = None, kind: str | None = None) -> dict:
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return _get("/api/data/latest",
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commodity=commodity, source=source, delivery=delivery, kind=kind)
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def history(commodity: str | None = None, source_id: int | None = None,
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delivery: str | None = None, days: int = 30) -> dict:
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return _get("/api/data/history",
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commodity=commodity, source_id=source_id,
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delivery=delivery, days=days)
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def best(commodity: str) -> dict:
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return _get("/api/data/best", commodity=commodity)
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def futures(commodity: str, delivery: str | None = None) -> dict:
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return _get("/api/data/futures", commodity=commodity, delivery=delivery)
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def inputs(product: str | None = None) -> dict:
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return _get("/api/data/inputs", product=product)
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def sources() -> dict:
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return _get("/api/data/sources")
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def deliveries(commodity: str) -> dict:
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return _get("/api/data/deliveries", commodity=commodity)
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def todays_summary() -> dict:
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"""Brief snapshot — same blob the morning email digest uses."""
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return _get("/api/brief/snapshot", kind="morning")
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