tello-renewal 0.4.0

Tello mobile plan automatic renewal system

Tello-Renewal

中文版 | English Version

Automatic renewal system for Tello mobile plans. Supports two interchangeable backends:

• primp — pure-HTTP client with browser TLS/JA3/JA4 fingerprint impersonation. Fast and dependency-free, but may be blocked by Cloudflare managed challenges on some Tello endpoints.
• playwright — real headless Chromium via CloakBrowser, which applies 57 source-level patches to bypass Cloudflare Turnstile and managed challenges. Recommended for reliable renewal.

Features

• 🔄 Automatic plan renewal (primp HTTP or CloakBrowser backend)
• 🛡️ Cloudflare bypass via real browser fingerprinting (CloakBrowser)
• 📧 Email notifications for success / failure
• 🧪 Dry-run mode for safe testing
• ⚙️ TOML configuration with pydantic validation
• 📊 Structured logging with rotation
• 🐳 Docker support — single image with CloakBrowser pre-bundled

Installation

From PyPI

# primp backend only (lightweight)
pip install tello-renewal

# primp + playwright/CloakBrowser backend
pip install "tello-renewal[playwright]"
python -m cloakbrowser install   # download patched Chromium (~200 MB, one-time)

Requirements

• Python 3.10+
• No browser or WebDriver needed for the primp backend
• CloakBrowser's Chromium is self-contained for the playwright backend

Quick Start

1. Create configuration file:

   tello-renewal config-init
   

2. Edit config.toml with your Tello credentials and choose a backend:

   [tello]
   email = "[e-mail]"
   password = "your_password"
   card_expiration = "1/27"      # MM/YY
   
   [browser]
   backend = "playwright"        # "primp" or "playwright"
   browser_type = "cloakbrowser" # for playwright backend
   

3. Test:

   tello-renewal config-validate
   tello-renewal email-test
   tello-renewal status
   

4. Renew:

   tello-renewal renew --dry-run   # test without charging
   tello-renewal renew             # real renewal
   

Configuration Reference

[tello]
email = "[e-mail]"
password = "your_password"
card_expiration = "1/27"        # MM/YY, MM/YYYY, or YYYY-MM-DD
base_url = "https://tello.com"
login_timeout = 30

[browser]
backend = "playwright"          # "primp" (fast) | "playwright" (CF-bypass)
browser_type = "cloakbrowser"   # playwright backend: cloakbrowser | chromium | firefox | webkit
impersonate = "chrome_146"      # primp backend: TLS fingerprint to impersonate
timeout = 60
# proxy_server = "http://10.0.0.1:7890"

[renewal]
auto_renew = true
days_before_renewal = 1         # start attempting N days before due date
max_retries = 3
retry_delay = 300               # seconds between retries
dry_run = false
state_folder_path = ".tello_state"

[smtp]
server = "smtp.gmail.com"
port = 587
username = "[e-mail]"
password = "app_password"
from_email = '"Tello Renewal" <[e-mail]>'
use_tls = true

[notifications]
email_enabled = true
recipients = ["[e-mail]"]
send_on_success = true
send_on_failure = true
send_on_not_due = false

[logging]
level = "INFO"
format = "detailed"             # simple | detailed | json
file = "tello_renewal.log"
max_size = "10MB"
backup_count = 5
console_output = true

CLI Commands

tello-renewal renew [--dry-run] [--force]   # execute renewal
tello-renewal status                         # account status and balance
tello-renewal config-init [--output FILE]   # generate example config
tello-renewal config-validate               # validate config file
tello-renewal email-test                    # send test notification

Global options: --config FILE, --verbose, --version

Exit Codes

Code	Meaning
0	Success
1	General error
2	Configuration error
5	Renewal failed
6	Not due for renewal

Docker

The Docker image (python:3.12-slim base) includes CloakBrowser's Chromium pre-downloaded.

docker run --rm --shm-size=256m \
  -v /path/to/config:/app/config:ro \
  -v /path/to/logs:/app/logs \
  oaklight/tello-renewal:latest \
  tello-renewal --config /app/config/config.toml renew

--shm-size=256m is required — Chromium uses /dev/shm for IPC and crashes with the default 64 MB Docker limit.

Build from source

make build-package   # build Python wheel
make build-docker    # build Docker image from local wheel

# Optional overrides
make build-docker MIRROR=https://pypi.tuna.tsinghua.edu.cn/simple
make build-docker REGISTRY_MIRROR=docker.1ms.run

Cron with Docker

0 0 * * * docker run --rm --shm-size=256m \
  -v ~/.config/tello-renewal:/app/config:ro \
  -v /var/log/tello-renewal:/app/logs \
  oaklight/tello-renewal:latest \
  tello-renewal --config /app/config/config.toml renew >/dev/null 2>&1

Scheduling (without Docker)

Cron

0 0 * * * /path/to/venv/bin/tello-renewal renew >> /var/log/tello-renewal.log 2>&1

Systemd timer

# /etc/systemd/system/tello-renewal.service
[Unit]
Description=Tello Plan Auto Renewal
After=network.target

[Service]
Type=oneshot
User=tello
ExecStart=/opt/tello-renewal/venv/bin/tello-renewal renew

# /etc/systemd/system/tello-renewal.timer
[Unit]
Description=Run Tello renewal daily

[Timer]
OnCalendar=daily
Persistent=true

[Install]
WantedBy=timers.target

sudo systemctl enable --now tello-renewal.timer

Troubleshooting

Login failures / Cloudflare blocked: Switch to backend = "playwright". The primp backend can be blocked on Tello endpoints protected by Cloudflare managed challenges.

CloakBrowser binary missing:

python -m cloakbrowser install

Email sending failures: Use app-specific passwords. Test with tello-renewal email-test.

Debug mode:

tello-renewal --verbose renew --dry-run

Development

git clone https://github.com/Oaklight/Tello-Renewal.git
cd Tello-Renewal
pip install -e ".[dev,playwright]"
python -m cloakbrowser install
pytest
ruff check src/

Changelog

See CHANGELOG.md.

License

MIT — see LICENSE.

Disclaimer

Provided as-is for personal automation. You are responsible for complying with Tello's terms of service and for the security of your credentials. The authors are not liable for failed renewals or service interruptions.