| """DeepQuant — Alpaca client. PHASE 0: read-only. |
| |
| Safety by construction: the base endpoint must be a PAPER host or every call refuses. |
| No order-placing functions exist in this phase. Later phases add execute() here, guardrailed. |
| """ |
| import json |
| import os |
| import ssl |
| import urllib.error |
| import urllib.parse |
| import urllib.request |
|
|
| try: |
| import certifi |
| _CTX = ssl.create_default_context(cafile=certifi.where()) |
| except Exception: |
| _CTX = ssl.create_default_context() |
|
|
| _PAPER_HOST = "https://paper-api.alpaca.markets" |
|
|
|
|
| def _base(): |
| ep = (os.environ.get("ALPACA_PAPER_ENDPOINT") or _PAPER_HOST).rstrip("/") |
| if ep.endswith("/v2"): |
| ep = ep[:-3].rstrip("/") |
| if "paper" not in ep: |
| raise RuntimeError("DeepQuant is PAPER-ONLY — ALPACA_PAPER_ENDPOINT must point at the paper API host.") |
| return ep |
|
|
|
|
| def _headers(): |
| k, s = os.environ.get("ALPACA_API_KEY"), os.environ.get("ALPACA_SECRET_KEY") |
| if not (k and s): |
| raise RuntimeError("ALPACA_API_KEY / ALPACA_SECRET_KEY not set.") |
| return {"APCA-API-KEY-ID": k, "APCA-API-SECRET-KEY": s} |
|
|
|
|
| def _get(path, params=None): |
| url = _base() + path |
| if params: |
| url += "?" + urllib.parse.urlencode(params) |
| req = urllib.request.Request(url, headers=_headers()) |
| with urllib.request.urlopen(req, timeout=25, context=_CTX) as r: |
| return json.load(r) |
|
|
|
|
| def get_account(): |
| return _get("/v2/account") |
|
|
|
|
| def get_positions(): |
| return _get("/v2/positions") |
|
|
|
|
| def get_clock(): |
| return _get("/v2/clock") |
|
|
|
|
| def get_portfolio_history(period="1M", timeframe="1D"): |
| return _get("/v2/account/portfolio/history", |
| {"period": period, "timeframe": timeframe, "extended_hours": "false"}) |
|
|
