Python client for yt-download-api — download YouTube videos via HTTP from any script or bot.

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Project links

Project description

yt-download-client

Download YouTube videos from any Python script, Discord bot, or Telegram bot — without dealing with HTTP, polling, or error handling yourself.

pip install yt-download-client

Requirements

A running instance of yt-download-api. Deploy your own in one click or run it locally.

Quick start

from yt_download_client import YTDownloadClient

client = YTDownloadClient(
    base_url="https://your-api.onrender.com",
    api_key="YOUR_KEY",
)

path = client.download("https://youtu.be/dQw4w9WgXcQ")
print(f"Saved to {path}")

Usage

One-liner download

path = client.download(
    url="https://youtu.be/dQw4w9WgXcQ",
    format="mp4",
    quality="720p",
    output="video.mp4",
)

Supported formats: mp4, mp3, webm Supported qualities: best, 1080p, 720p, 480p, 360p, audio_only

With progress tracking

from yt_download_client import Job

def on_progress(job: Job):
    if job.status == "progress" and job.progress:
        downloaded = job.progress.get("downloaded_bytes", 0)
        total = job.progress.get("total_bytes", 0)
        if total:
            pct = round(downloaded / total * 100)
            print(f"{pct}%", end="\r")

path = client.download(
    "https://youtu.be/dQw4w9WgXcQ",
    on_progress=on_progress,
)

Step by step

For more control — submit, wait, and fetch separately:

# Submit and get a job ID immediately
job = client.submit("https://youtu.be/dQw4w9WgXcQ", format="mp3", quality="audio_only")
print(f"Job submitted: {job.id}")

# Wait until done (blocks, polls every 5s)
job = client.wait(job.id, poll_interval=5, timeout=300)

# Download the file
path = client.fetch(job.id, output="song.mp3")
print(f"Saved to {path}")

Get video info before downloading

info = client.info("https://youtu.be/dQw4w9WgXcQ")
print(info.title)
print(info.duration_formatted)  # "03:33"
print(info.uploader)
for fmt in info.formats:
    print(fmt["resolution"], fmt["ext"])

Discord bot example

import discord
from yt_download_client import YTDownloadClient, JobFailedError

client = YTDownloadClient(base_url="https://your-api.onrender.com", api_key="YOUR_KEY")
bot = discord.Client(intents=discord.Intents.default())

@bot.event
async def on_message(message):
    if message.content.startswith("!download "):
        url = message.content.split(" ", 1)[1]
        await message.channel.send("Downloading...")
        try:
            path = client.download(url, format="mp4", quality="720p")
            await message.channel.send(file=discord.File(str(path)))
        except JobFailedError as e:
            await message.channel.send(f"Failed: {e}")

Error handling

from yt_download_client import (
    YTDownloadClient,
    AuthenticationError,
    RateLimitError,
    JobFailedError,
    JobTimeoutError,
    ServerBusyError,
    YTDownloadError,
)

try:
    client.download("https://youtu.be/dQw4w9WgXcQ")
except AuthenticationError:
    print("Bad API key")
except RateLimitError as e:
    print(f"Slow down: {e}")
except JobFailedError as e:
    print(f"Download failed: {e}")
except JobTimeoutError:
    print("Took too long")
except ServerBusyError:
    print("Server is busy, retry later")
except YTDownloadError as e:
    print(f"Something went wrong: {e}")

API reference