Search YouTube for results using a newline separated list of queries.

youtube-batch-search.py

import json
import googleapiclient.discovery

query_fn = 'queries.txt'
api_key = '' # insert API key here
# https://developers.google.com/youtube/v3/docs/search/list
params = {
    'videoDuration': 'short', # any long medium short
    'videoDefinition': 'any', # high standard
    'order': 'viewCount', # date rating  relevance title viewCount
    'publishedAfter': '2019-03-29T00:00:00Z'
}

youtube = googleapiclient.discovery.build('youtube', 'v3', developerKey=api_key)

def batch_list(batches=20, **kwargs):
    items = None
    next_page_token = None
    for batch in range(batches):
        request = youtube.search().list(
            part='snippet',
            pageToken=next_page_token,
            maxResults=50,
            type='video',
            **kwargs)
        response = request.execute()
        if items is None:
            items = response['items']
        else:
            items.extend(response['items'])
        next_page_token = response['nextPageToken']
        if len(response['items']) < 50:
            break
    return items

with open(query_fn) as f:
    queries = f.read().splitlines()
    
collected = []
for query in queries:
    collected.extend(batch_list(q=query,**params))
    
with open('output.json', 'w') as f:
    json.dump(collected, f)

I assume that the line 31 should be indented