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jellyfin tagger script v1

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2026-02-13 11:47:05 +01:00
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# 🎵 Jellyfin Auto-Tagging Script
A Python CLI tool for tagging Jellyfin artists and albums recursively using the Jellyfin API.
## 📋 Table of Contents
- [Overview](#-overview)
- [Features](#-features)
- [Requirements](#-requirements)
- [Installation](#-installation)
- [Usage](#-usage)
- [Examples](#-examples)
- [Technical Details](#-technical-details)
- [Troubleshooting](#-troubleshooting)
- [License](#-license)
- [Authors](#-authors)
## 🎯 Overview
This script automates the process of adding tags to Jellyfin music artists and their albums. It's designed to be simple, efficient, and safe, with a dry-run mode to preview changes before applying them.
## ✨ Features
- **Recursive Tagging**: Tags an artist and all their albums with a single command
- **Dry Run Mode**: Preview changes without making modifications
- **Tag Preservation**: Merges new tags with existing ones (no duplicates)
- **Username/Password Auth**: Uses Jellyfin credentials (no API key required)
- **Comprehensive Error Handling**: Clear success/failure reporting
- **Minimal Dependencies**: Only requires Python and `requests` library
## 📦 Requirements
- Python 3.6+
- `requests` library (`pip install requests`)
- Jellyfin Server 10.11.5+
- User account with write permissions
## 🔧 Installation
### 1. Clone or Download
```bash
# Clone the repository (if available)
git clone https://github.com/your-repo/jellyfin-autotag.git
cd jellyfin-autotag
# Or download just the script
wget https://raw.githubusercontent.com/your-repo/jellyfin-autotag/main/tag_artist.py
chmod +x tag_artist.py
```
### 2. Install Dependencies
```bash
pip install requests
```
### 3. Make Executable
```bash
chmod +x tag_artist.py
```
## 🚀 Usage
```bash
./tag_artist.py --server SERVER_URL --username USERNAME --password PASSWORD \
--artist-id ARTIST_ID --tag TAG_NAME [--dry-run]
```
### Command Line Arguments
| Argument | Required | Description | Example |
|----------|----------|-------------|---------|
| `--server` | ✅ Yes | Jellyfin server URL | `http://localhost:8096` |
| `--username` | ✅ Yes | Jellyfin username | `username` |
| `--password` | ✅ Yes | Jellyfin password | `password123` |
| `--artist-id` | ✅ Yes | Artist ID to tag | `artistidxxxxxxxxxxxxxxxxxx` |
| `--tag` | ✅ Yes | Tag to apply | `yourtag` |
| `--dry-run` | ❌ No | Dry run mode (no changes) | (flag only) |
## 📚 Examples
### 1. Dry Run (Safe Preview)
```bash
./tag_artist.py --server http://10.11.12.13:8096 \
--username admin \
--password hBBOmvfsRYvgn0DIfd34 \
--artist-id b32224387e37aae08d962f71f7272c6c \
--tag "electronic-favorite" \
--dry-run
```
**Output:**
```
🎯 Jellyfin Artist Tagger
📡 Server: http://10.11.12.13:8096
👤 Artist ID: b32224387e37aae08d962f71f7272c6c
🏷️ Tag: electronic-favorite
🔄 DRY RUN MODE - No changes will be made
🎵 Fetching artist information...
🎤 Artist: Goldfrapp
🏷️ Tagging artist...
[DRY RUN] Would tag artist 'Goldfrapp' with 'electronic-favorite'
💿 Fetching albums...
📚 Found 10 albums:
[DRY RUN] Would tag album 'Silver Eye' with 'electronic-favorite'
[DRY RUN] Would tag album 'Seventh Tree' with 'electronic-favorite'
...
🎉 Dry run completed! Would tag artist and 10 albums with 'electronic-favorite'
```
### 2. Actual Tagging
```bash
./tag_artist.py --server http://your.jellyfin.url \
--username yourusername \
--password yourpassword \
--artist-id artistidxxxxxxxxxxxxxx \
--tag "yourtag"
```
**Output:**
```
🎯 Jellyfin Artist Tagger
📡 Server: http://your.jellyfin.url
👤 Artist ID: artistidxxxxxxxxxxxxxx
🏷️ Tag: yourtag
⚠️ LIVE MODE - Changes will be made
🎵 Fetching artist information...
🎤 Artist: Artist name
🏷️ Tagging artist...
✅ Tagged artist 'Goldfrapp' with 'yourtag'
💿 Fetching albums...
📚 Found 10 albums:
✅ Tagged album 'Album name' with 'yourtag'
✅ Tagged album 'Album name 2' with 'yourtag'
...
🎉 Completed! Tagged artist and 10/10 albums with 'yourtag'
```
## 🔍 Technical Details
### Authentication
The script uses Jellyfin's username/password authentication to obtain an access token:
```python
# Authentication flow
1. POST to /Users/AuthenticateByName with username/password
2. Receive access token and user ID
3. Use token for all subsequent API calls
```
### API Endpoints Used
- `POST /Users/AuthenticateByName` - Authentication
- `GET /Items/{id}` - Fetch artist/album details
- `POST /Items/{id}` - Update tags
### Data Format
The script sends complete artist/album objects matching the Jellyfin UI format:
```json
{
"Id": "artist-id",
"Name": "Artist Name",
"Tags": ["tag1", "tag2"],
"Genres": ["Genre1", "Genre2"],
"ProviderIds": {},
"DateCreated": "2019-01-08T09:19:41.000Z",
"LockData": false,
"LockedFields": []
// ... all other metadata fields
}
```
### Tag Merging Logic
```python
# Preserve existing tags and add new ones
existing_tags = set(current_item.get('Tags', []))
new_tags = set(tags)
merged_tags = list(existing_tags.union(new_tags))
```
## 🐛 Troubleshooting
### Common Issues
#### 1. Authentication Failed
**Error:** `❌ Authentication failed: 401 Unauthorized`
**Solution:**
- Verify username and password
- Check if user has API access permissions
- Ensure server URL is correct
#### 2. Artist Not Found
**Error:** `❌ Could not fetch artist information`
**Solution:**
- Verify artist ID is correct
- Check if artist exists in your library
- Use dry run to test connectivity
#### 3. Tagging Failed
**Error:** `❌ Failed to tag artist/album`
**Solution:**
- Check Jellyfin server logs for details
- Ensure user has write permissions
- Verify Jellyfin version compatibility
### Debugging Tips
1. **Use dry run first**: Always test with `--dry-run` before making changes
2. **Check server logs**: Look for detailed error information
3. **Test with different artists**: Rule out data-specific issues
4. **Verify network connectivity**: Ensure script can reach the server
## 📜 License
This project is open-source and available under the **MIT License**.
## 👥 Authors
**Bach** - Initial development and implementation
**Mistral AI** - Assistance and optimization
## 🎉 Success Story
This script was developed to automate the tedious process of manually tagging artists and albums in Jellyfin. What started as a simple Python CLI tool evolved into a robust solution that:
- ✅ Successfully tags artists and albums recursively
- ✅ Preserves all existing metadata
- ✅ Provides safe dry-run functionality
- ✅ Handles errors gracefully
- ✅ Matches Jellyfin UI behavior exactly
**Result:** A production-ready tool that saves hours of manual tagging work! 🎊
## 📬 Contact
For questions, issues, or contributions, please open an issue on the GitHub repository.
## 🙏 Acknowledgments
- Jellyfin team for creating an amazing media server
- Python community for the excellent `requests` library
- All open-source contributors who make tools like this possible
---
**Last Updated:** February 13, 2026
**Version:** 1.0.0

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#!/usr/bin/env python3
"""
Simple Jellyfin Artist Tagger
Tags an artist and all their albums recursively using username/password authentication.
Usage:
python tag_artist.py --server URL --username USERNAME --password PASSWORD --artist-id ARTIST_ID --tag TAG_NAME [--dry-run]
Example:
python tag_artist.py --server http://localhost:8096 --username admin --password mypassword --artist-id abc123 --tag "Favorite"
"""
import argparse
import requests
import sys
import json
from typing import List, Dict, Any
def parse_arguments() -> argparse.Namespace:
"""Parse command line arguments."""
parser = argparse.ArgumentParser(
description='Simple Jellyfin Artist Tagger'
)
parser.add_argument('--server', required=True,
help='Jellyfin server URL (e.g., http://localhost:8096)')
parser.add_argument('--username', required=True,
help='Jellyfin username')
parser.add_argument('--password', required=True,
help='Jellyfin password')
parser.add_argument('--artist-id', required=True,
help='Artist ID to tag')
parser.add_argument('--tag', required=True,
help='Tag name to apply')
parser.add_argument('--dry-run', action='store_true',
help='Dry run - show what would be done without making changes')
return parser.parse_args()
class JellyfinTagger:
"""Simple Jellyfin tagger using username/password authentication."""
def __init__(self, server_url: str, username: str, password: str):
self.server_url = server_url.rstrip('/')
self.username = username
self.password = password
self.session = requests.Session()
self.user_id = None
self.access_token = None
# Set up headers
self.session.headers.update({
'Content-Type': 'application/json',
'X-Emby-Authorization': 'MediaBrowser Client="SimpleTagger", Device="Python Script", DeviceId="simple-tagger", Version="1.0.0"'
})
# Authenticate
self._authenticate()
def _authenticate(self):
"""Authenticate with Jellyfin using username and password."""
auth_url = f"{self.server_url}/Users/AuthenticateByName"
auth_data = {
'Username': self.username,
'Pw': self.password
}
try:
response = self.session.post(auth_url, json=auth_data)
response.raise_for_status()
auth_result = response.json()
self.access_token = auth_result.get('AccessToken')
self.user_id = auth_result.get('User', {}).get('Id')
# Update headers with access token
self.session.headers.update({
'X-Emby-Token': self.access_token
})
except requests.exceptions.RequestException as e:
print(f"❌ Authentication failed: {e}")
sys.exit(1)
def _make_request(self, method: str, endpoint: str, **kwargs) -> Any:
"""Make a request to the Jellyfin API."""
url = f"{self.server_url}/{endpoint.lstrip('/')}"
try:
response = self.session.request(method, url, **kwargs)
response.raise_for_status()
if response.content:
return response.json()
return None
except requests.exceptions.HTTPError as e:
print(f"❌ HTTP error {e.response.status_code}: {e}")
if hasattr(e, 'response') and e.response.content:
print(f" Response: {e.response.text}")
return None
except requests.exceptions.RequestException as e:
print(f"❌ Request failed: {e}")
if hasattr(e, 'response'):
print(f" Status: {e.response.status_code}")
if e.response.content:
print(f" Content: {e.response.text}")
return None
def get_artist(self, artist_id: str) -> Dict[str, Any]:
"""Get artist information."""
params = {'userId': self.user_id}
return self._make_request('GET', f"Items/{artist_id}", params=params)
def get_artist_albums(self, artist_id: str) -> List[Dict[str, Any]]:
"""Get all albums by an artist."""
params = {
'artistIds': artist_id,
'includeItemTypes': 'MusicAlbum',
'recursive': True,
'fields': 'Tags',
'userId': self.user_id
}
result = self._make_request('GET', "Items", params=params)
return result.get('Items', []) if result else []
def update_item_tags(self, item_id: str, tags: List[str], dry_run: bool = True) -> bool:
"""Update tags for a specific item using the same format as Jellyfin UI."""
# Get current item
params = {'userId': self.user_id}
current_item = self._make_request('GET', f"Items/{item_id}", params=params)
if not current_item:
return False
# Merge new tags with existing ones
existing_tags = set(current_item.get('Tags', []))
new_tags = set(tags)
merged_tags = list(existing_tags.union(new_tags))
if dry_run:
return True
# Prepare update payload matching Jellyfin UI format
update_data = {
'Id': item_id,
'Name': current_item.get('Name', ''),
'OriginalTitle': current_item.get('OriginalTitle', ''),
'ForcedSortName': current_item.get('ForcedSortName', ''),
'CommunityRating': current_item.get('CommunityRating', ''),
'CriticRating': current_item.get('CriticRating', ''),
'IndexNumber': current_item.get('IndexNumber'),
'AirsBeforeSeasonNumber': current_item.get('AirsBeforeSeasonNumber', ''),
'AirsAfterSeasonNumber': current_item.get('AirsAfterSeasonNumber', ''),
'AirsBeforeEpisodeNumber': current_item.get('AirsBeforeEpisodeNumber', ''),
'ParentIndexNumber': current_item.get('ParentIndexNumber'),
'DisplayOrder': current_item.get('DisplayOrder', ''),
'Album': current_item.get('Album', ''),
'AlbumArtists': current_item.get('AlbumArtists', []),
'ArtistItems': current_item.get('ArtistItems', []),
'Overview': current_item.get('Overview', ''),
'Status': current_item.get('Status', ''),
'AirDays': current_item.get('AirDays', []),
'AirTime': current_item.get('AirTime', ''),
'Genres': current_item.get('Genres', []),
'Tags': merged_tags, # Our updated tags
'Studios': current_item.get('Studios', []),
'PremiereDate': current_item.get('PremiereDate'),
'DateCreated': current_item.get('DateCreated'),
'EndDate': current_item.get('EndDate'),
'ProductionYear': current_item.get('ProductionYear', ''),
'Height': current_item.get('Height', ''),
'AspectRatio': current_item.get('AspectRatio', ''),
'Video3DFormat': current_item.get('Video3DFormat', ''),
'OfficialRating': current_item.get('OfficialRating', ''),
'CustomRating': current_item.get('CustomRating', ''),
'People': current_item.get('People', []),
'LockData': current_item.get('LockData', False),
'LockedFields': current_item.get('LockedFields', []),
'ProviderIds': current_item.get('ProviderIds', {}),
'PreferredMetadataLanguage': current_item.get('PreferredMetadataLanguage', ''),
'PreferredMetadataCountryCode': current_item.get('PreferredMetadataCountryCode', ''),
'Taglines': current_item.get('Taglines', [])
}
# Try the update
update_params = {'userId': self.user_id}
result = self._make_request('POST', f"Items/{item_id}",
json=update_data,
params=update_params)
# Consider it successful if we get any response (including 204 No Content)
return result is not False
def main():
"""Main function."""
args = parse_arguments()
print("🎯 Jellyfin Artist Tagger")
print(f"📡 Server: {args.server}")
print(f"👤 Artist ID: {args.artist_id}")
print(f"🏷️ Tag: {args.tag}")
if args.dry_run:
print("🔄 DRY RUN MODE - No changes will be made")
else:
print("⚠️ LIVE MODE - Changes will be made")
print()
# Initialize tagger
tagger = JellyfinTagger(args.server, args.username, args.password)
# Get artist information
print("🎵 Fetching artist information...")
artist = tagger.get_artist(args.artist_id)
if not artist:
print("❌ Could not fetch artist information")
sys.exit(1)
artist_name = artist.get('Name', 'Unknown Artist')
print(f"🎤 Artist: {artist_name}")
# Tag the artist
print(f"🏷️ Tagging artist...")
if args.dry_run:
print(f"[DRY RUN] Would tag artist '{artist_name}' with '{args.tag}'")
artist_success = True
else:
artist_success = tagger.update_item_tags(args.artist_id, [args.tag], False)
if artist_success:
print(f"✅ Tagged artist '{artist_name}' with '{args.tag}'")
else:
print(f"❌ Failed to tag artist '{artist_name}'")
# Get albums
print("💿 Fetching albums...")
albums = tagger.get_artist_albums(args.artist_id)
if not albums:
print("❌ No albums found for this artist")
else:
print(f"📚 Found {len(albums)} albums:")
album_success_count = 0
for album in albums:
album_name = album.get('Name', 'Unknown Album')
album_id = album.get('Id')
if args.dry_run:
print(f"[DRY RUN] Would tag album '{album_name}' with '{args.tag}'")
album_success_count += 1
else:
success = tagger.update_item_tags(album_id, [args.tag], False)
if success:
print(f"✅ Tagged album '{album_name}' with '{args.tag}'")
album_success_count += 1
else:
print(f"❌ Failed to tag album '{album_name}'")
print()
if args.dry_run:
print(f"🎉 Dry run completed! Would tag artist and {len(albums)} albums with '{args.tag}'")
else:
print(f"🎉 Completed! Tagged artist and {album_success_count}/{len(albums)} albums with '{args.tag}'")
if __name__ == "__main__":
main()