How to automatically update charts linked to Google Sheets?

Question

I have a Google Slides presentation with charts that are linked to a specific Google Sheets Spreadsheet.

As there are many charts in the presentation, I\'m looking fo

Answer 1

You can find it in official documentation about API (for different lang). https://developers.google.com/slides/how-tos/add-chart#refreshing_a_chart

You need to write a script for this and run it by schedule or manually.

I have found my own code that worked great.

from __future__ import print_function
import httplib2
import os

from apiclient import discovery
from oauth2client import client
from oauth2client import tools
from oauth2client.file import Storage

try:
    import argparse
    flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
except ImportError:
    flags = None

# If modifying these scopes, delete your previously saved credentials
# at ~/.credentials/slides.googleapis.com-python-quickstart.json
SCOPES = 'https://www.googleapis.com/auth/drive'
CLIENT_SECRET_FILE = 'client_secret.json'
APPLICATION_NAME = 'Google Slides API Python Quickstart'


def get_credentials():
    """Gets valid user credentials from storage.

    If nothing has been stored, or if the stored credentials are invalid,
    the OAuth2 flow is completed to obtain the new credentials.

    Returns:
        Credentials, the obtained credential.
    """
    home_dir = os.path.expanduser('~')
    credential_dir = os.path.join(home_dir, '.credentials')
    if not os.path.exists(credential_dir):
        os.makedirs(credential_dir)
    credential_path = os.path.join(credential_dir,
                                   'slides.googleapis.com-python-quickstart.json')

    store = Storage(credential_path)
    credentials = store.get()
    if not credentials or credentials.invalid:
        flow = client.flow_from_clientsecrets(CLIENT_SECRET_FILE, SCOPES)
        flow.user_agent = APPLICATION_NAME
        if flags:
            credentials = tools.run_flow(flow, store, flags)
        else: # Needed only for compatibility with Python 2.6
            credentials = tools.run(flow, store)
        print('Storing credentials to ' + credential_path)
    return credentials

def main():
    """Shows basic usage of the Slides API.

    Creates a Slides API service object and prints the number of slides and
    elements in a sample presentation:
    """
    credentials = get_credentials()
    http = credentials.authorize(httplib2.Http())
    service = discovery.build('slides', 'v1', http=http)

    # Here past your presentation id
    presentationId = '1Owma9l9Z0Xjm1OPp-fcchdcxc1ImBPY2j9QH1LBDxtk'
    presentation = service.presentations().get(
        presentationId=presentationId).execute()
    slides = presentation.get('slides')

    print ('The presentation contains {} slides:'.format(len(slides)))
    for slide in slides:
        for element in slide['pageElements']:

            presentation_chart_id = element['objectId']

            # Execute the request.
            try:
                requests = [{'refreshSheetsChart': {'objectId': presentation_chart_id}}]
                body = {'requests': requests}

                #print(element)
                requests = service.presentations().batchUpdate(
                    presentationId=presentationId, body=body).execute()
                print('Refreshed a linked Sheets chart with ID: {0}'.format(presentation_chart_id))

            except Exception:
                pass

if __name__ == '__main__':
    main()