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@@ -1,511 +0,0 @@
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#!/usr/bin/env python3
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"""mike-ai MCP: Deemix.
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Drives the existing Deemix instance on the Unraid home server through its
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Web-UI HTTP API (http://<unraid>:6595/deemix/api/*). Deemix ships no CLI and
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no documented public REST API; the endpoints used here were verified against
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the route files of webui 4.6.0 / deemix 3.13.7 (dist/routes/api/{get,post}).
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Credential handling (honest documentation):
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* No credential is stored on Athena or in this container on disk.
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* In single-user mode the Deemix app itself serves the saved Deezer ARL from
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GET /connect (singleUser.arl). The MCP reads it into process memory ONLY
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for the duration of a (re-)login and never writes it to disk, logs, tool
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output or error messages. DEEMIX_ARL is only a fallback for multi-user
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setups and is read from the environment.
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* The ARL is therefore transiently present in the MCP's working memory
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between a /connect read and the corresponding /loginArl call, and in the
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cookie jar afterwards. It is redacted from anything that leaves the
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process.
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Session handling:
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* Every tool funnels through Session.call(), which guarantees a login before
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the first request (so a direct first call right after a fresh container
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start works) and, if Deemix reports an expired/absent session
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(errid NotLoggedIn) or answers HTTP 401/403, performs AT MOST ONE
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automatic re-login and retries the request once. There is no retry loop.
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"""
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from __future__ import annotations
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import http.cookiejar
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import json
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import os
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import re
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import urllib.error
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import urllib.parse
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import urllib.request
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from typing import Any, Optional
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from mcp.server.fastmcp import FastMCP
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DEEMIX_URL = os.environ.get("DEEMIX_URL", "http://192.168.1.2:6595").rstrip("/")
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API = DEEMIX_URL + "/deemix/api"
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FALLBACK_ARL = os.environ.get("DEEMIX_ARL", "").strip()
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TIMEOUT = float(os.environ.get("DEEMIX_TIMEOUT", "30"))
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# --- Limits (kept small and bounded so tool output stays compact) ---------
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MAX_QUEUE_ROWS = 50 # max queue entries returned per call
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MAX_SEARCH_RESULTS = 20 # hard cap on search result rows
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MAX_SEARCH_TERM = 100 # max characters in a search term
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MAX_URLS_PER_CALL = 10 # max Deezer URLs accepted by deemix_add_to_queue
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MAX_ERRORS_PER_ENTRY = 3
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# --- Bitrate: verified against the deployed webui/deezer-sdk code ---------
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# `addToQueue.js` does `bitrate = Number(bitrate)` and falls back to the
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# Deemix `maxBitrate` setting; it is NOT a kbit/s figure. The values are
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# deezer-sdk `TrackFormats` enum ids. The Deemix settings UI offers exactly:
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TRACKFORMATS: dict[int, str] = {
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9: "FLAC (lossless, ~1411 kbps)",
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3: "MP3 320 kbps",
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1: "MP3 128 kbps",
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}
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VALID_BITRATES = tuple(sorted(TRACKFORMATS)) # (1, 3, 9)
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# --- Secret redaction ------------------------------------------------------
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# Long hex runs (Deezer ARL is a long lowercase-hex cookie) are masked, as is
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# any value that matches a secret we actually hold, plus cookie headers.
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_HEX_RUN = re.compile(r"[0-9a-fA-F]{32,}")
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_COOKIE_LINE = re.compile(r"(?im)^\s*(set-?cookie|cookie)\s*:\s*.*$")
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_KNOWN_SECRETS: list[str] = [s for s in {FALLBACK_ARL, os.environ.get("DEEMIX_ARL", "").strip()} if s]
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def redact(value: Any) -> Any:
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"""Recursively strip anything that could carry a credential."""
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if isinstance(value, dict):
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out: dict = {}
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for k, v in value.items():
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if isinstance(k, str) and k.lower() in ("arl", "cookie", "cookies", "set-cookie", "token", "authorization"):
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out[k] = "[REDACTED]"
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else:
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out[k] = redact(v)
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return out
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if isinstance(value, (list, tuple)):
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return [redact(v) for v in value]
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if isinstance(value, str):
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s = value
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for sec in _KNOWN_SECRETS:
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s = s.replace(sec, "[REDACTED]")
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s = _HEX_RUN.sub("[REDACTED]", s)
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s = _COOKIE_LINE.sub("cookie: [REDACTED]", s)
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return s
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return value
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def _clean_error(message: str) -> str:
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"""Trim + redact an error so no credential/cookie/raw body escapes."""
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s = str(message).replace("\n", " ")
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for sec in _KNOWN_SECRETS:
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s = s.replace(sec, "[REDACTED]")
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s = _HEX_RUN.sub("[REDACTED]", s)
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return s[:300]
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mcp = FastMCP(
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"deemix",
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instructions=(
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"Control the Deemix download server on the Unraid home server: "
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"search Deezer, queue albums/tracks, monitor download progress, "
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"retry failures. Files land on Unraid at the configured download "
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"location (see deemix_status). No credentials are stored here."
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),
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host="0.0.0.0",
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port=int(os.environ.get("PORT", "8000")),
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stateless_http=True,
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)
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class DeemixError(RuntimeError):
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"""User-facing error with a short, actionable, credential-free message."""
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class AuthError(DeemixError):
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"""The Deemix session is missing or expired; a re-login may help."""
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class Session:
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"""One HTTP session against Deemix with bounded automatic (re-)login."""
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def __init__(self) -> None:
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self.jar = http.cookiejar.CookieJar()
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self.opener = urllib.request.build_opener(
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urllib.request.HTTPCookieProcessor(self.jar)
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)
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self.user: dict = {}
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self._logged_in = False
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# -- low level ---------------------------------------------------------
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def _headers(self) -> dict:
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return {
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"Accept": "application/json",
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"User-Agent": "mike-ai-mcp-deemix/1.1",
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}
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def _raw(self, method: str, path: str, body: Optional[dict] = None):
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"""Return (http_status, parsed). Network failures raise DeemixError.
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HTTP 401/403 are returned (not raised) so the caller can decide on a
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re-login. Any non-JSON body is turned into a clean, redacted error.
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"""
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url = API + path
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data = json.dumps(body).encode() if body is not None else None
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headers = self._headers()
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if data is not None:
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headers["Content-Type"] = "application/json"
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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try:
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resp = self.opener.open(req, timeout=TIMEOUT)
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status = resp.getcode()
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raw = resp.read().decode("utf-8", "replace")
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except urllib.error.HTTPError as e:
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if e.code in (401, 403):
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return e.code, None
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raise DeemixError(
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_clean_error(f"Deemix {path} -> HTTP {e.code}")
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) from None
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except (urllib.error.URLError, TimeoutError, OSError) as e:
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raise DeemixError(
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_clean_error(f"Deemix unreachable at {API}: {getattr(e, 'reason', e)}")
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) from None
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if not raw.strip():
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return status, {}
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try:
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return status, json.loads(raw)
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except json.JSONDecodeError:
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raise DeemixError(
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_clean_error(f"Deemix {path} returned non-JSON ({raw[:80]!r})")
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) from None
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# -- login -------------------------------------------------------------
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def _jar_has_session(self) -> bool:
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return any(c.name == "deemix_session" for c in self.jar)
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def login(self) -> None:
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"""Establish a session. Raises DeemixError on failure (no retry)."""
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status, info = self._raw("GET", "/connect")
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if status in (401, 403):
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# Not authenticated yet; /connect should still answer, but if it
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# refuses we treat it as "needs login" and fall through.
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info = info or {}
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if not isinstance(info, dict):
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info = {}
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if str(info.get("deezerAvailable")) != "yes":
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raise DeemixError(
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"Deemix reports Deezer unavailable "
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f"(deezerAvailable={info.get('deezerAvailable')!r}) - "
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"check the Unraid VPN tunnel"
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)
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if not info.get("autologin", True) and self._jar_has_session():
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# autologin=false is only trusted while a live session cookie is
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# actually held; after a cookie loss a re-login is required even
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# though the server still reports autologin=false.
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self._logged_in = True
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self.user = info.get("currentUser") or {}
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return
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arl = ((info.get("singleUser") or {}).get("arl") or "") or FALLBACK_ARL
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if not arl:
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raise DeemixError(
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"No ARL available: Deemix is not in single-user mode and "
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"DEEMIX_ARL is not set in the MCP environment"
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)
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status, res = self._raw("POST", "/loginArl", {"arl": arl})
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if status in (401, 403) or not isinstance(res, dict) or res.get("status") not in (1, 2, 3):
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raise DeemixError(
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f"Deezer ARL login failed (status="
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f"{(res or {}).get('status') if isinstance(res, dict) else status}, "
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f"error={(res or {}).get('error') if isinstance(res, dict) else 'http'})"
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)
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self._logged_in = True
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self.user = res.get("user") or {}
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# -- central call with at most ONE re-login ----------------------------
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def call(self, method: str, path: str, body: Optional[dict] = None) -> Any:
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for _attempt in (1, 2):
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if not self._logged_in:
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try:
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self.login()
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except DeemixError as e:
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# The login (or the automatic re-login) failed. Abort
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# cleanly and boundedly: we never loop, we raise after
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# this single failed attempt.
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raise DeemixError(
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"Deemix session could not be established: "
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f"login/re-login attempt failed - {_clean_error(e)}"
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) from None
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status, res = self._raw(method, path, body)
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if status in (401, 403):
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# Expiring session: reset and allow exactly one re-login.
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self._logged_in = False
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self.jar.clear()
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continue
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if (
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isinstance(res, dict)
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and res.get("result") is False
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and res.get("errid") == "NotLoggedIn"
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):
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self._logged_in = False
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self.jar.clear()
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continue
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return res
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raise DeemixError(
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"Deemix session could not be established: re-login was attempted "
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"once and the request still reports an expired/absent session."
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)
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def request(self, method: str, path: str, body: Optional[dict] = None) -> Any:
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"""Back-compat alias used by tools that only need a read."""
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return self.call(method, path, body)
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SESSION = Session()
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def call(method: str, path: str, body: Optional[dict] = None) -> Any:
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return SESSION.call(method, path, body)
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def _out(payload: Any) -> str:
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return json.dumps(redact(payload), ensure_ascii=False, indent=2)
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def _compact_entry(e: dict) -> dict:
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size = e.get("size") or 0
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row = {
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"uuid": e.get("uuid"),
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"type": e.get("type"),
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"id": e.get("id"),
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"title": e.get("title"),
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"artist": e.get("artist"),
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"progress": e.get("progress"),
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"downloaded_mb": round((e.get("downloaded") or 0) / 1048576, 1),
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"total_mb": round(size / 1048576, 1) if size else None,
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"failed": bool(e.get("failed")),
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}
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errs = e.get("errors")
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if errs:
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row["errors"] = redact(errs)[:MAX_ERRORS_PER_ENTRY]
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return row
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def _compact_search_row(item: dict, kind: str) -> dict:
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if kind == "album":
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artists = ", ".join(
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a.get("name", "") for a in (item.get("related") or {}).get("artists", [])[:2]
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)
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return {
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"id": item.get("id"),
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"title": item.get("title"),
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"artist": artists,
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"year": ((item.get("release_date") or "")[:4] or None),
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"tracks": item.get("nb_tracks"),
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"link": f"https://www.deezer.com/album/{item.get('id')}",
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}
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if kind == "track":
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return {
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"id": item.get("id"),
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"title": item.get("title"),
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"artist": (item.get("artist") or {}).get("name"),
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"album": (item.get("album") or {}).get("title"),
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"duration": item.get("duration"),
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"link": f"https://www.deezer.com/track/{item.get('id')}",
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}
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if kind == "artist":
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return {
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"id": item.get("id"),
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"name": item.get("name"),
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"link": f"https://www.deezer.com/artist/{item.get('id')}",
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}
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if kind == "playlist":
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return {
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"id": item.get("id"),
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"title": item.get("name") or item.get("title"),
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"nb_tracks": item.get("nb_tracks"),
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"link": f"https://www.deezer.com/playlist/{item.get('id')}",
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}
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return {
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k: item.get(k)
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for k in ("id", "name", "title", "link", "url")
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if item.get(k) is not None
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}
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def _valid_bitrate(bitrate: Optional[int]) -> Optional[int]:
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if bitrate is None:
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return None
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if bitrate not in TRACKFORMATS:
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raise DeemixError(
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f"bitrate {bitrate} is not a valid TrackFormats value. "
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f"Use one of: {', '.join(f'{b}={TRACKFORMATS[b]}' for b in VALID_BITRATES)}. "
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"These are deezer-sdk TrackFormats enum ids, not kbit/s; "
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"omit bitrate to use Deemix's own maxBitrate setting."
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)
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return bitrate
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@mcp.tool()
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def deemix_status() -> str:
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"""Status of the Deemix server: versions, Deezer login, download location and a compact queue summary."""
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info = call("GET", "/connect") # guarantees a session (also first call after fresh start)
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queue = call("GET", "/getQueue")
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entries = list((queue.get("queue") or {}).values())
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order = queue.get("queueOrder") or []
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by_id = {e.get("uuid"): e for e in entries}
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ordered = [by_id[u] for u in order if u in by_id]
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for e in entries:
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if e.get("uuid") not in order:
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ordered.append(e)
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rows = [_compact_entry(e) for e in ordered[:MAX_QUEUE_ROWS]]
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u = SESSION.user or {}
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settings = (info.get("settingsData") or {}).get("settings") or {}
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user_view = {
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k: u.get(k)
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for k in ("id", "name", "lastName", "country", "subscription")
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if u.get(k) not in (None, "")
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}
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return _out(
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{
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"deemix_version": (info.get("update") or {}).get("deemixVersion"),
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"webui_version": (info.get("update") or {}).get("webuiVersion"),
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"deezer_available": info.get("deezerAvailable"),
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"logged_in_user": user_view or "not logged in",
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"spotify_enabled": info.get("spotifyEnabled"),
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"download_location": settings.get("downloadLocation"),
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"max_bitrate_setting": settings.get("maxBitrate"),
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"queue": {
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"total": len(entries),
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"failed": sum(1 for e in entries if e.get("failed")),
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"rows": rows,
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"truncated": len(entries) > MAX_QUEUE_ROWS,
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},
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}
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)
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@mcp.tool()
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def deemix_search(term: str, type: str = "album", start: int = 0, nb: int = 10) -> str:
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"""Search Deezer via Deemix. type: album, track, artist, playlist or radio.
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Returns compact rows with Deezer links usable for deemix_add_to_queue.
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term is limited to 100 chars and nb is capped at 20 results."""
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term = (term or "").strip()
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if not term:
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raise DeemixError("term is empty")
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if len(term) > MAX_SEARCH_TERM:
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term = term[:MAX_SEARCH_TERM]
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nb = max(1, min(int(nb), MAX_SEARCH_RESULTS))
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start = max(0, int(start))
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q = urllib.parse.urlencode({"term": term, "type": type, "start": start, "nb": nb})
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data = SESSION.call("GET", "/search?" + q)
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if not isinstance(data, dict):
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data = {}
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if data.get("error"):
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raise DeemixError(_clean_error(f"Deezer search failed: {data.get('error')}"))
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rows = [_compact_search_row(i, type) for i in (data.get("data") or [])[:nb]]
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return _out({"type": type, "total": data.get("total"), "results": rows})
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@mcp.tool()
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def deemix_add_to_queue(urls: str, bitrate: Optional[int] = None) -> str:
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|
"""Queue Deezer URLs for download. urls: one or several Deezer links,
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|
space separated (album/track/artist/playlist), max 10 per call.
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|
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|
bitrate (optional) is a deezer-sdk TrackFormats enum id, NOT kbit/s:
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|
1=MP3 128kbps, 3=MP3 320kbps, 9=FLAC lossless. Omit to use Deemix's
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own maxBitrate setting."""
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|
url_list = [u.strip() for u in (urls or "").split() if u.strip()]
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|
if not url_list:
|
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|
raise DeemixError("urls is empty")
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|
if len(url_list) > MAX_URLS_PER_CALL:
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|
raise DeemixError(
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|
f"too many urls ({len(url_list)}); max {MAX_URLS_PER_CALL} per call"
|
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|
)
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|
body: dict = {"url": " ".join(url_list)}
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|
br = _valid_bitrate(bitrate)
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|
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|
if br is not None:
|
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|
body["bitrate"] = br
|
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|
res = SESSION.call("POST", "/addToQueue", body)
|
|
|
|
|
if not isinstance(res, dict) or res.get("result") is False:
|
|
|
|
|
errid = (res or {}).get("errid") if isinstance(res, dict) else "http"
|
|
|
|
|
raise DeemixError(_clean_error(f"addToQueue rejected (errid={errid!r})"))
|
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|
|
|
data = res.get("data") or {}
|
|
|
|
|
obj = data.get("obj")
|
|
|
|
|
# Real Deemix behaviour: an unknown/invalid ID is accepted but resolves
|
|
|
|
|
# to zero items (obj == []) - nothing is queued. Report that honestly.
|
|
|
|
|
resolved = obj not in ([], None, "")
|
|
|
|
|
payload = {
|
|
|
|
|
"queued": resolved,
|
|
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|
"bitrate_requested": br,
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|
"bitrate_used": data.get("bitrate"),
|
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|
|
|
"items": obj if isinstance(obj, (list, dict)) else str(obj),
|
|
|
|
|
}
|
|
|
|
|
if not resolved:
|
|
|
|
|
payload["warning"] = (
|
|
|
|
|
"Deemix accepted the URL(s) but resolved NO items - the ID(s) "
|
|
|
|
|
"are probably invalid. Nothing was queued."
|
|
|
|
|
)
|
|
|
|
|
return _out(payload)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@mcp.tool()
|
|
|
|
|
def deemix_queue() -> str:
|
|
|
|
|
"""Current download queue with per-entry progress, size and errors (compact)."""
|
|
|
|
|
queue = SESSION.call("GET", "/getQueue")
|
|
|
|
|
entries = list((queue.get("queue") or {}).values())
|
|
|
|
|
order = queue.get("queueOrder") or []
|
|
|
|
|
by_id = {e.get("uuid"): e for e in entries}
|
|
|
|
|
ordered = [by_id[u] for u in order if u in by_id]
|
|
|
|
|
for e in entries:
|
|
|
|
|
if e.get("uuid") not in order:
|
|
|
|
|
ordered.append(e)
|
|
|
|
|
rows = [_compact_entry(e) for e in ordered[:MAX_QUEUE_ROWS]]
|
|
|
|
|
return _out(
|
|
|
|
|
{
|
|
|
|
|
"total": len(entries),
|
|
|
|
|
"failed": sum(1 for e in entries if e.get("failed")),
|
|
|
|
|
"rows": rows,
|
|
|
|
|
"truncated": len(entries) > MAX_QUEUE_ROWS,
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
@mcp.tool()
|
|
|
|
|
def deemix_retry_download(uuid: str) -> str:
|
|
|
|
|
"""Retry a failed queue entry (uuid from deemix_queue). Re-queues the whole album/track; existing files are not overwritten."""
|
|
|
|
|
res = SESSION.call("POST", "/retryDownload", {"uuid": uuid})
|
|
|
|
|
if not isinstance(res, dict) or res.get("result") is False:
|
|
|
|
|
raise DeemixError(_clean_error(f"retryDownload failed (errid={(res or {}).get('errid')!r})"))
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|
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|
return _out({"retried": uuid, "result": True})
|
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@mcp.tool()
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|
def deemix_remove_from_queue(uuid: str) -> str:
|
|
|
|
|
"""Cancel one queue entry by uuid (from deemix_queue)."""
|
|
|
|
|
q = urllib.parse.urlencode({"uuid": uuid})
|
|
|
|
|
res = SESSION.call("POST", "/removeFromQueue?" + q)
|
|
|
|
|
if not isinstance(res, dict) or res.get("result") is False:
|
|
|
|
|
raise DeemixError(_clean_error("removeFromQueue failed - uuid unknown?"))
|
|
|
|
|
return _out({"removed": uuid, "result": True})
|
|
|
|
|
|
|
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|
|
|
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@mcp.tool()
|
|
|
|
|
def deemix_remove_finished() -> str:
|
|
|
|
|
"""Remove all finished (non-failed) entries from the queue. Does not touch files on disk."""
|
|
|
|
|
res = SESSION.call("POST", "/removeFinishedDownloads")
|
|
|
|
|
if not isinstance(res, dict) or res.get("result") is False:
|
|
|
|
|
raise DeemixError(_clean_error("removeFinishedDownloads failed"))
|
|
|
|
|
return _out({"result": True})
|
|
|
|
|
|
|
|
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|
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@mcp.tool()
|
|
|
|
|
def deemix_cancel_all() -> str:
|
|
|
|
|
"""Cancel ALL active downloads in Deemix. Use only when the user explicitly asked to stop downloading."""
|
|
|
|
|
res = SESSION.call("POST", "/cancelAllDownloads")
|
|
|
|
|
if not isinstance(res, dict) or res.get("result") is False:
|
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|
|
|
raise DeemixError(_clean_error("cancelAllDownloads failed"))
|
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|
|
|
return _out({"result": True})
|
|
|
|
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if __name__ == "__main__":
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# MCPHub manages local servers as stdio subprocesses. The standalone
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# Athena container can keep using Streamable HTTP by setting
|
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# MCP_TRANSPORT=streamable-http, so the same source works in both places
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|
# during the migration.
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|
|
|
mcp.run(transport=os.environ.get("MCP_TRANSPORT", "stdio"))
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Mikei386 committed