Script to bulk share albums created via Google Photos API. Primary use was to bypass the API bug which only returns 100 photos per album: once the album is shared, API starts to properly return all photos.

share_google_photos_albums.py

#!/usr/bin/env python
# coding: utf-8

import os 
import pickle
import json
from time import sleep

import google_auth_httplib2  # This gotta be installed for build() to work
from googleapiclient.discovery import build
from googleapiclient.http import HttpError
from google.auth.transport.requests import Request
from google_auth_oauthlib.flow import InstalledAppFlow

# Setup the Photo v1 API. You'll need to download client_secret.json and put it next to this script.
# In Google Cloud console:  Credentials -> [OAuth 2.0 Client ID credentials] -> DOWNLOAD JSON (button is at the top of the screen)

SCOPES = ['https://www.googleapis.com/auth/photoslibrary.readonly', "https://www.googleapis.com/auth/photoslibrary.sharing"]
creds = None
if(os.path.exists("token.pickle")):
    with open("token.pickle", "rb") as tokenFile:
        creds = pickle.load(tokenFile)
if not creds or not creds.valid:
    if (creds and creds.expired and creds.refresh_token):
        creds.refresh(Request())
    else:
        flow = InstalledAppFlow.from_client_secrets_file('client_secret.json', SCOPES)
        creds = flow.run_local_server(port = 0)
    with open("token.pickle", "wb") as tokenFile:
        pickle.dump(creds, tokenFile)
service = build('photoslibrary', 'v1', credentials = creds, static_discovery=False)

# Pull albums
albums = []

next_page = None
start = True
while next_page or start:
    start = False
    results = service.albums().list(pageSize=50, fields="nextPageToken,albums(id,title,shareInfo)", pageToken=next_page).execute()
    albums += results.get('albums', [])
    next_page = results.get('nextPageToken')
    

albums_dict = {a['id']: a['title'] for a in albums}

already_shared = {a['id'] for a in albums if a.get('shareInfo')}


# Uncomment to review already shared albums

#for album_id in already_shared:
#print(albums_dict[album_id])

# Without these sharing has no effect
share_body = {
    'sharedAlbumOptions': {
        'isCollaborative': True,
        'isCommentable': True
    }
}

not_shared = {album_id for album_id in albums_dict.keys() if album_id not in already_shared}

for album_id in not_shared:
    try:
        service.albums().share(albumId=album_id, body=share_body).execute()
        print("Shared '%s'" % albums_dict[album_id])
    except HttpError as e:
        print("Couldn't share '%s' (%s)" % (albums_dict[album_id], e))

    # the API limit is 30 requests per minute and I'm good at math
    sleep(2)