feat: E1002 新增公网图片服务(恒定 URL 现渲染)+底部改为 BTC 时K
- server.py:三条恒定 URL 并行——/e1002.png 内存现渲染 PNG(主力)、 /e1002.html 现代网页、/e1002-web.png 网页经无头 Chrome 截图后固化六色; 天气/橘喵/BTC 按 WEATHER_TTL/MAO_TTL/BTC_TTL 走内存缓存,过期才实拉、 失败沿用旧值;用量不读本机文件,改由 POST /push/usage(_gpt) 推送暂存 - push_client.py:本机把 Claude 用量快照推送到服务(X-Push-Token 鉴权) - btc_api.py:OKX/Coinbase/Huobi 免费接口逐源兜底,时K 近 72 小时,涨绿跌红 - data.py 拆出 weather_fetch/mao_fetch/btc_fetch 与 usage_from_raw, 统一按 TZ_NAME 时区;宽版只用点阵字体整数倍字号 12/24/36/48 - probe_server.py:验证平台对同一 URL 是否周期重抓(结论:Image 控件 不重抓,HTML 控件重抓) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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btc_api.py
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btc_api.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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比特币 K 线行情客户端 —— 免费、无需密钥的公开接口,按顺序尝试多个源,首个成功即返回。
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源(均为公开 REST,无鉴权):
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1. OKX GET /api/v5/market/candles?instId=BTC-USDT&bar=<1H|1D> —— 主源,本地直连可达、数据最新
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2. Coinbase GET /products/BTC-USD/candles?granularity=<3600|86400> —— 备源(USD 计价,与 USDT 数值几乎一致)
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3. Huobi GET /market/history/kline?period=<60min|1day>&symbol=btcusdt —— 备源
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(Binance 在本地区返回 restricted location,不列入。)
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周期用统一代号 bar:"1H"(时 K)/ "1D"(日 K),由 BARS 映射到各源的写法。
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统一输出:按时间**升序**的 list[dict],每根 {"ts": epoch 秒, "o", "h", "l", "c"}(float),最后一根为当前未收盘的那根。
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任何源失败抛异常并尝试下一个;全部失败抛 RuntimeError,由 data 层决定沿用缓存或占位。
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"""
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import json
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import urllib.request
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TIMEOUT = 8
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UA = "eink-push/1.0 (+https://github.com/)"
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# 周期代号 → 各源参数:(OKX bar, Coinbase granularity 秒, Huobi period)
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BARS = {"1H": ("1H", 3600, "60min"), "1D": ("1D", 86400, "1day")}
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def _get_json(url):
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req = urllib.request.Request(url, headers={"User-Agent": UA, "Accept": "application/json"})
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with urllib.request.urlopen(req, timeout=TIMEOUT) as resp:
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return json.loads(resp.read().decode("utf-8"))
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def _okx(bar, limit):
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j = _get_json(f"https://www.okx.com/api/v5/market/candles?instId=BTC-USDT&bar={BARS[bar][0]}&limit={limit}")
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if str(j.get("code")) != "0":
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raise RuntimeError(f"okx code={j.get('code')} msg={j.get('msg')}")
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rows = j["data"] # 最新在前:[ts_ms, o, h, l, c, vol, ...]
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out = [{"ts": int(r[0]) // 1000, "o": float(r[1]), "h": float(r[2]), "l": float(r[3]), "c": float(r[4])} for r in rows]
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return sorted(out, key=lambda x: x["ts"])
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def _coinbase(bar, limit):
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rows = _get_json(f"https://api.exchange.coinbase.com/products/BTC-USD/candles?granularity={BARS[bar][1]}")
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# 最新在前:[time, low, high, open, close, volume]
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out = [{"ts": int(r[0]), "o": float(r[3]), "h": float(r[2]), "l": float(r[1]), "c": float(r[4])} for r in rows]
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return sorted(out, key=lambda x: x["ts"])[-limit:]
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def _huobi(bar, limit):
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j = _get_json(f"https://api.huobi.pro/market/history/kline?period={BARS[bar][2]}&size={limit}&symbol=btcusdt")
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if j.get("status") != "ok":
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raise RuntimeError(f"huobi status={j.get('status')} err={j.get('err-msg')}")
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out = [{"ts": int(r["id"]), "o": float(r["open"]), "h": float(r["high"]), "l": float(r["low"]), "c": float(r["close"])}
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for r in j["data"]]
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return sorted(out, key=lambda x: x["ts"])
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SOURCES = (("okx", _okx), ("coinbase", _coinbase), ("huobi", _huobi))
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def get_candles(bar="1H", limit=36):
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"""返回 (源名, 升序 K 线列表)。bar 为 "1H"/"1D"。逐源尝试,全部失败抛 RuntimeError。"""
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if bar not in BARS:
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raise ValueError(f"不支持的周期 {bar!r},可选:{list(BARS)}")
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errors = []
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for name, fn in SOURCES:
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try:
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rows = fn(bar, limit)
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if len(rows) >= 2:
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return name, rows[-limit:]
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errors.append(f"{name}: 数据不足({len(rows)})")
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except Exception as e: # noqa: BLE001 —— 逐源兜底,任何异常都换下一个源
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errors.append(f"{name}: {e}")
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raise RuntimeError(f"BTC {bar} K 线全部源失败:" + ";".join(errors))
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if __name__ == "__main__":
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src, rows = get_candles("1H", 5)
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print(src)
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for r in rows:
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print(r)
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