pytchat

pytchat is a python library for fetching youtube live chat.

Description

pytchat is a python library for fetching youtube live chat without using Selenium or BeautifulSoup.

Other features:

• Customizable chat data processors including youtube api compatible one.
• Available on asyncio context.
• Quick fetching of initial chat data by generating continuation params instead of web scraping.

For more detailed information, see wiki.
wiki (Japanese)

Install

pip install pytchat

Examples

CLI

• One-liner command.

• Save chat data to html with embedded custom emojis.

• Show chat stream (--echo option).

$ pytchat -v uIx8l2xlYVY -o "c:/temp/"
# options:
#  -v : Video ID or URL that includes ID
#  -o : output directory (default path: './')
#  --echo : Show chats.
# saved filename is [video_id].html

Fetch chat data (see wiki)

import pytchat
chat = pytchat.create(video_id="uIx8l2xlYVY")
while chat.is_alive():
    for c in chat.get().sync_items():
        print(f"{c.datetime} [{c.author.name}]- {c.message}")

Output JSON format string (feature of DefaultProcessor)

import pytchat
import time

chat = pytchat.create(video_id="uIx8l2xlYVY")
while chat.is_alive():
    print(chat.get().json())
    time.sleep(5)
    '''
    # Each chat item can also be output in JSON format.
    for c in chat.get().items:
        print(c.json())
    '''     

other

• Fetch chat with a buffer (LiveChat)

• Use with asyncio (LiveChatAsync)

• YT API compatible chat processor (CompatibleProcessor)

• Extract archived chat data (Extractor)

Structure of Default Processor

Each item can be got with sync_items() function.

name	type	remarks
type	str	"superChat","textMessage","superSticker","newSponsor"
id	str
message	str	emojis are represented by ":(shortcut text):"
messageEx	str	list of message texts and emoji dicts(id, txt, url).
timestamp	int	unixtime milliseconds
datetime	str	e.g. "2019-10-10 12:34:56"
elapsedTime	str	elapsed time. (e.g. "1:02:27") *Replay Only.
amountValue	float	e.g. 1,234.0
amountString	str	e.g. "$ 1,234"
currency	str	ISO 4217 currency codes (e.g. "USD")
bgColor	int	RGB Int
author	object	see below

Structure of author object.

name	type	remarks
name	str
channelId	str	*chatter's channel ID.
channelUrl	str
imageUrl	str
badgeUrl	str
isVerified	bool
isChatOwner	bool
isChatSponsor	bool
isChatModerator	bool

Licence

Contributes

Great thanks:

Most of source code of CLI refer to:

PetterKraabol / Twitch-Chat-Downloader

Progress bar in CLI is based on:

vladignatyev/progress.py

Author

taizan-hokuto

twitter:@taizan205