Python 3 Youtube Live Streaming API Script to Get Live Stream Messages & Comments in Command Line

Welcome folks today in this blog post we will be using the youtube live streaming api to get all the live stream messages and comments in command line using the youtube video url. All the full source code of the application is shown below.

Get Started

In order to get started you need to install the below library using the pip command as shown below

pip install pytchat

After this you need to make an app.py file and copy paste the following code

app.py

import pytchat

chat = pytchat.create(video_id="aIqyZyfjk1w")

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

import pytchat

chat = pytchat.create(video_id="aIqyZyfjk1w")

while chat.is_alive():

for c in chat.get().sync_items():

print(f"{c.datetime} [{c.author.name}] - {c.message}")

As you can see we are importing the pytchat module at the very top and then we are using the create() method and passing the video_id as the first argument. And then we are using the while loop to get all the chat messages of the live stream and then we are printing all the messages with date and time and also the author name and the actual message as shown below

Now we will be modifying the code such that if we enter the url of the live stream then also the program runs by extracting the video_id from the youtube video url as shown below

import pytchat

def getVideoId(url):
    from urllib.parse import urlparse,parse_qs
    if url.startswith(('youtu','www')):
        url = 'http://' + url
    query = urlparse(url)

    if 'youtube' in query.hostname:
        if query.path == "/watch":
            return parse_qs(query.query)['v'][0]
        elif query.path.startswith(('/embed/','/v/')):
            return query.path.split('/')[2]
    elif 'youtu.be' in query.hostname:
        return query.path[1:]
    else:
        raise ValueError

url = input("Enter the Youtube Video URL")
chat = pytchat.create(video_id=getVideoId(url))

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

import pytchat

def getVideoId(url):

from urllib.parse import urlparse,parse_qs

if url.startswith(('youtu','www')):

url = 'http://' + url

query = urlparse(url)

if 'youtube' in query.hostname:

if query.path == "/watch":

return parse_qs(query.query)['v'][0]

elif query.path.startswith(('/embed/','/v/')):

return query.path.split('/')[2]

elif 'youtu.be' in query.hostname:

return query.path[1:]

else:

raise ValueError

url = input("Enter the Youtube Video URL")

chat = pytchat.create(video_id=getVideoId(url))

while chat.is_alive():

for c in chat.get().sync_items():

print(f"{c.datetime} [{c.author.name}] - {c.message}")

As you can see we are now asking the user to input the url of the youtube live stream video that you want to extract messages and comments. Then we are defining a new function to extract the videoid from the url. Inside this we are using the urllib package to extract the video id from the url and then the messages are displaying as you can see below