|
| 1 | +""" |
| 2 | +Direct port of TgjuApi.java from the Android app. |
| 3 | +
|
| 4 | +Non-crypto (currencies, gold, coins): |
| 5 | + GET https://api.tgju.org/v1/market/tmp?keys=KEY |
| 6 | + response.indicators[].{ name, p (Rial), d (Rial), dt ("high"|"low") } |
| 7 | + Exception: "ons" (gold ounce) is already quoted in USD, not Rial. |
| 8 | +
|
| 9 | +Crypto BTC/ETH/BNB/SOL via widget endpoint: |
| 10 | + GET https://api.tgju.org/v1/widget/tmp?keys=398096,398097,398115,535605 |
| 11 | +
|
| 12 | +Crypto LTC/BCH/EOS/XRP/TRX/DOGE fallback: |
| 13 | + GET https://api.tgju.org/v1/market/indicator/summary-table-data/KEY |
| 14 | +
|
| 15 | +Tether (USDT), in Toman like every other currency: |
| 16 | + GET https://call4.tgju.org/ajax.json?rev=... |
| 17 | + response.current["crypto-tether-irr"].p (Rial) |
| 18 | +""" |
| 19 | +import logging |
| 20 | +from dataclasses import dataclass |
| 21 | +from typing import Optional |
| 22 | + |
| 23 | +import requests |
| 24 | +import urllib3 |
| 25 | + |
| 26 | +from . import registry as R |
| 27 | + |
| 28 | +# Only fires on the verify=False retry path above; the primary request is |
| 29 | +# always verified normally. |
| 30 | +urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning) |
| 31 | + |
| 32 | +log = logging.getLogger("tgju_api") |
| 33 | + |
| 34 | +TIMEOUT = 12 # seconds |
| 35 | + |
| 36 | +TMP_URL = "https://api.tgju.org/v1/market/tmp?keys=" |
| 37 | +WIDGET_URL = "https://api.tgju.org/v1/widget/tmp?keys=398096,398097,398115,535605" |
| 38 | +SUMMARY_URL = "https://api.tgju.org/v1/market/indicator/summary-table-data/" |
| 39 | +CALL4_URL = ( |
| 40 | + "https://call4.tgju.org/ajax.json?rev=" |
| 41 | + "NUInYHDaLqVjbIse8P1gUgsBjJv0zV4MhEX9NwN3U0tYFAZwZ8iYWMHqm5dN" |
| 42 | +) |
| 43 | + |
| 44 | +USD_TMP_KEYS = {R.KEY_GOLD_OUNCE} |
| 45 | +WIDGET_KEYS = {R.KEY_BTC, R.KEY_ETH, R.KEY_BNB, R.KEY_SOL} |
| 46 | +SUMMARY_KEYS = {R.KEY_LTC, R.KEY_BCH, R.KEY_EOS, R.KEY_XRP, R.KEY_TRX, R.KEY_DOGE} |
| 47 | + |
| 48 | +_HEADERS = {"User-Agent": "ChandWidget-Win/1.0", "Accept": "application/json"} |
| 49 | + |
| 50 | + |
| 51 | +@dataclass |
| 52 | +class PriceData: |
| 53 | + key: str |
| 54 | + price: float |
| 55 | + change: float |
| 56 | + |
| 57 | + |
| 58 | +def _parse_double(s) -> float: |
| 59 | + try: |
| 60 | + return float(str(s).replace(",", "").strip()) |
| 61 | + except (ValueError, TypeError): |
| 62 | + return 0.0 |
| 63 | + |
| 64 | + |
| 65 | +def _http_get_json(url: str): |
| 66 | + try: |
| 67 | + resp = requests.get(url, headers=_HEADERS, timeout=TIMEOUT) |
| 68 | + if resp.status_code != 200: |
| 69 | + return None |
| 70 | + return resp.json() |
| 71 | + except requests.exceptions.SSLError: |
| 72 | + # Same fallback used in the Tehran Market Terminal project: on some |
| 73 | + # networks in Iran, DPI/SSL interference breaks cert verification |
| 74 | + # even though the connection itself works. Retry once without |
| 75 | + # verification rather than failing outright. |
| 76 | + try: |
| 77 | + resp = requests.get(url, headers=_HEADERS, timeout=TIMEOUT, verify=False) |
| 78 | + if resp.status_code != 200: |
| 79 | + return None |
| 80 | + return resp.json() |
| 81 | + except Exception as e: |
| 82 | + log.error("httpGet retry (no verify) failed: %s (%s)", url, e) |
| 83 | + return None |
| 84 | + except Exception as e: |
| 85 | + log.error("httpGet error: %s (%s)", url, e) |
| 86 | + return None |
| 87 | + |
| 88 | + |
| 89 | +def fetch(key: str) -> Optional[PriceData]: |
| 90 | + try: |
| 91 | + if key == R.KEY_USDT: |
| 92 | + return _fetch_tether_irr() |
| 93 | + if key in WIDGET_KEYS: |
| 94 | + return _fetch_from_widget(key) |
| 95 | + if key in SUMMARY_KEYS: |
| 96 | + return _fetch_from_summary(key) |
| 97 | + return _fetch_from_tmp(key) |
| 98 | + except Exception as e: |
| 99 | + log.error("fetch error for %s: %s", key, e) |
| 100 | + return None |
| 101 | + |
| 102 | + |
| 103 | +def _fetch_tether_irr() -> Optional[PriceData]: |
| 104 | + data = _http_get_json(CALL4_URL) |
| 105 | + if not data: |
| 106 | + return None |
| 107 | + current = data.get("current") or {} |
| 108 | + ind = current.get("crypto-tether-irr") |
| 109 | + if not ind: |
| 110 | + log.warning("crypto-tether-irr not found in call4 feed") |
| 111 | + return None |
| 112 | + |
| 113 | + price = _parse_double(ind.get("p", "0")) / 10.0 |
| 114 | + change = _parse_double(ind.get("d", "0")) / 10.0 |
| 115 | + dt = ind.get("dt", "") |
| 116 | + change = -abs(change) if dt == "low" else abs(change) |
| 117 | + return PriceData(R.KEY_USDT, price, change) |
| 118 | + |
| 119 | + |
| 120 | +def _fetch_from_tmp(key: str) -> Optional[PriceData]: |
| 121 | + data = _http_get_json(TMP_URL + key) |
| 122 | + if not data: |
| 123 | + return None |
| 124 | + indicators = data.get("response", {}).get("indicators", []) |
| 125 | + for ind in indicators: |
| 126 | + if ind.get("name", "") != key: |
| 127 | + continue |
| 128 | + price = _parse_double(ind.get("p", "0")) |
| 129 | + change = _parse_double(ind.get("d", "0")) |
| 130 | + dt = ind.get("dt", "") |
| 131 | + change = -abs(change) if dt == "low" else abs(change) |
| 132 | + if key not in USD_TMP_KEYS: |
| 133 | + price /= 10.0 |
| 134 | + change /= 10.0 |
| 135 | + return PriceData(key, price, change) |
| 136 | + log.warning("Key not found in tmp: %s", key) |
| 137 | + return None |
| 138 | + |
| 139 | + |
| 140 | +def _fetch_from_widget(key: str) -> Optional[PriceData]: |
| 141 | + data = _http_get_json(WIDGET_URL) |
| 142 | + if data: |
| 143 | + indicators = data.get("response", {}).get("indicators", []) |
| 144 | + for ind in indicators: |
| 145 | + if ind.get("name", "") != key: |
| 146 | + continue |
| 147 | + price = _parse_double(ind.get("p", "0")) |
| 148 | + change = _parse_double(ind.get("d", "0")) |
| 149 | + dt = ind.get("dt", "") |
| 150 | + change = -abs(change) if dt == "low" else abs(change) |
| 151 | + return PriceData(key, price, change) |
| 152 | + return _fetch_from_summary(key) |
| 153 | + |
| 154 | + |
| 155 | +def _fetch_from_summary(key: str) -> Optional[PriceData]: |
| 156 | + data = _http_get_json(SUMMARY_URL + key) |
| 157 | + if not data: |
| 158 | + return None |
| 159 | + rows = data.get("data", []) |
| 160 | + if not rows: |
| 161 | + return None |
| 162 | + row = rows[0] |
| 163 | + price = _parse_double(str(row[1]).replace(",", "")) |
| 164 | + change = 0.0 |
| 165 | + try: |
| 166 | + change = _parse_double(str(row[3]).replace(",", "")) |
| 167 | + except (IndexError, ValueError): |
| 168 | + pass |
| 169 | + return PriceData(key, price, change) |
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