234 lines
7.8 KiB
Python
234 lines
7.8 KiB
Python
#!/usr/bin/env python3
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import json
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import os
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import sys
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import time
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import urllib.request
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from pathlib import Path
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JELLYFIN_URL = os.environ.get("JELLYFIN_URL", "http://127.0.0.1:8096")
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GRAFANA_URL = os.environ.get("GRAFANA_URL", "http://127.0.0.1:3000")
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STATE_FILE = os.environ.get("STATE_FILE", "/var/lib/jellyfin-annotations/state.json")
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POLL_INTERVAL = int(os.environ.get("POLL_INTERVAL", "30"))
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def get_api_key():
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cred_dir = os.environ.get("CREDENTIALS_DIRECTORY")
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if cred_dir:
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return Path(cred_dir, "jellyfin-api-key").read_text().strip()
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for p in ["/run/agenix/jellyfin-api-key"]:
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if Path(p).exists():
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return Path(p).read_text().strip()
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sys.exit("ERROR: Cannot find jellyfin-api-key")
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def http_json(method, url, body=None):
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data = json.dumps(body).encode() if body is not None else None
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req = urllib.request.Request(
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url,
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data=data,
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headers={"Content-Type": "application/json", "Accept": "application/json"},
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method=method,
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)
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with urllib.request.urlopen(req, timeout=5) as resp:
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return json.loads(resp.read())
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def get_active_sessions(api_key):
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try:
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req = urllib.request.Request(
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f"{JELLYFIN_URL}/Sessions?api_key={api_key}",
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headers={"Accept": "application/json"},
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)
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with urllib.request.urlopen(req, timeout=5) as resp:
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sessions = json.loads(resp.read())
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return [s for s in sessions if s.get("NowPlayingItem")]
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except Exception as e:
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print(f"Error fetching sessions: {e}", file=sys.stderr)
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return None
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def _codec(name):
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if not name:
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return ""
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aliases = {"h264": "H.264", "h265": "H.265", "hevc": "H.265", "av1": "AV1",
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"vp9": "VP9", "vp8": "VP8", "mpeg4": "MPEG-4", "mpeg2video": "MPEG-2",
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"aac": "AAC", "ac3": "AC3", "eac3": "EAC3", "dts": "DTS",
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"truehd": "TrueHD", "mp3": "MP3", "opus": "Opus", "flac": "FLAC",
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"vorbis": "Vorbis"}
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return aliases.get(name.lower(), name.upper())
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def _res(width, height):
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if not height:
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return ""
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common = {2160: "4K", 1440: "1440p", 1080: "1080p", 720: "720p",
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480: "480p", 360: "360p"}
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return common.get(height, f"{height}p")
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def _channels(n):
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labels = {1: "Mono", 2: "Stereo", 6: "5.1", 7: "6.1", 8: "7.1"}
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return labels.get(n, f"{n}ch") if n else ""
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def format_label(session):
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user = session.get("UserName", "Unknown")
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item = session.get("NowPlayingItem", {}) or {}
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transcode = session.get("TranscodingInfo") or {}
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play_state = session.get("PlayState") or {}
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client = session.get("Client", "")
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device = session.get("DeviceName", "")
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name = item.get("Name", "Unknown")
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series = item.get("SeriesName", "")
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season = item.get("ParentIndexNumber")
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episode = item.get("IndexNumber")
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media_type = item.get("Type", "")
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if series and season and episode:
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title = f"{series} S{season:02d}E{episode:02d} \u2013 {name}"
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elif series:
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title = f"{series} \u2013 {name}"
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elif media_type == "Movie":
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title = f"{name} (movie)"
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else:
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title = name
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play_method = play_state.get("PlayMethod", "")
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if play_method == "DirectPlay":
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method = "Direct Play"
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elif play_method == "DirectStream":
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method = "Direct Stream"
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elif play_method == "Transcode" or transcode:
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method = "Transcode"
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else:
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method = "Direct Play"
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media_streams = item.get("MediaStreams") or []
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video_streams = [s for s in media_streams if s.get("Type") == "Video"]
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audio_streams = [s for s in media_streams if s.get("Type") == "Audio"]
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default_audio = next((s for s in audio_streams if s.get("IsDefault")), None)
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audio_stream = default_audio or (audio_streams[0] if audio_streams else {})
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video_stream = video_streams[0] if video_streams else {}
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src_vcodec = _codec(video_stream.get("Codec", ""))
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src_res = _res(video_stream.get("Width") or item.get("Width"),
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video_stream.get("Height") or item.get("Height"))
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src_acodec = _codec(audio_stream.get("Codec", ""))
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src_channels = _channels(audio_stream.get("Channels"))
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is_video_direct = transcode.get("IsVideoDirect", True)
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is_audio_direct = transcode.get("IsAudioDirect", True)
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if transcode and not is_video_direct:
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dst_vcodec = _codec(transcode.get("VideoCodec", ""))
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dst_res = _res(transcode.get("Width"), transcode.get("Height")) or src_res
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if src_vcodec and dst_vcodec and src_vcodec != dst_vcodec:
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video_part = f"{src_vcodec}\u2192{dst_vcodec} {dst_res}".strip()
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else:
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video_part = f"{dst_vcodec or src_vcodec} {dst_res}".strip()
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else:
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video_part = f"{src_vcodec} {src_res}".strip()
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if transcode and not is_audio_direct:
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dst_acodec = _codec(transcode.get("AudioCodec", ""))
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dst_channels = _channels(transcode.get("AudioChannels")) or src_channels
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if src_acodec and dst_acodec and src_acodec != dst_acodec:
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audio_part = f"{src_acodec}\u2192{dst_acodec} {dst_channels}".strip()
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else:
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audio_part = f"{dst_acodec or src_acodec} {dst_channels}".strip()
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else:
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audio_part = f"{src_acodec} {src_channels}".strip()
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bitrate = transcode.get("Bitrate") or item.get("Bitrate")
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bitrate_part = f"{bitrate / 1_000_000:.1f} Mbps" if bitrate else ""
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reasons = transcode.get("TranscodeReasons") or []
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reason_part = f"[{', '.join(reasons)}]" if reasons else ""
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stream_parts = [p for p in [method, video_part, audio_part, bitrate_part, reason_part] if p]
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client_str = " \u00b7 ".join(filter(None, [client, device]))
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lines = [f"{user}: {title}", " | ".join(stream_parts)]
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if client_str:
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lines.append(client_str)
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return "\n".join(lines)
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def load_state():
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try:
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with open(STATE_FILE) as f:
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return json.load(f)
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except (FileNotFoundError, json.JSONDecodeError):
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return {}
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def save_state(state):
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os.makedirs(os.path.dirname(STATE_FILE), exist_ok=True)
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tmp = STATE_FILE + ".tmp"
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with open(tmp, "w") as f:
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json.dump(state, f)
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os.replace(tmp, STATE_FILE)
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def grafana_post(label, start_ms):
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try:
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result = http_json(
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"POST",
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f"{GRAFANA_URL}/api/annotations",
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{"time": start_ms, "text": label, "tags": ["jellyfin"]},
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)
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return result.get("id")
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except Exception as e:
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print(f"Error posting annotation: {e}", file=sys.stderr)
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return None
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def grafana_close(grafana_id, end_ms):
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try:
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http_json(
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"PATCH",
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f"{GRAFANA_URL}/api/annotations/{grafana_id}",
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{"timeEnd": end_ms},
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)
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except Exception as e:
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print(f"Error closing annotation {grafana_id}: {e}", file=sys.stderr)
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def main():
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api_key = get_api_key()
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state = load_state()
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while True:
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now_ms = int(time.time() * 1000)
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sessions = get_active_sessions(api_key)
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if sessions is not None:
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current_ids = {s["Id"] for s in sessions}
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for s in sessions:
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sid = s["Id"]
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if sid not in state:
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label = format_label(s)
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grafana_id = grafana_post(label, now_ms)
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if grafana_id is not None:
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state[sid] = {
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"grafana_id": grafana_id,
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"label": label,
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"start_ms": now_ms,
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}
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save_state(state)
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for sid in [k for k in state if k not in current_ids]:
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info = state.pop(sid)
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grafana_close(info["grafana_id"], now_ms)
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save_state(state)
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time.sleep(POLL_INTERVAL)
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if __name__ == "__main__":
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main()
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