oauth2client is now deprecated

Question

In the Python code for requesting data from Google Analytics ( https://developers.google.com/analytics/devguides/reporting/core/v4/quickstart/service-py ) via an API, oauth2client is being used. The code was last time updated in July 2018 and until now the oauth2client is deprecated. My question is can I get the same code, where instead of oauth2client, google-auth or oauthlib is being used ?

I was googling to find a solution how to replace the parts of code where oauth2client is being used. Yet since I am not a developer I didn't succeed. This is how I tried to adapt the code in this link ( https://developers.google.com/analytics/devguides/reporting/core/v4/quickstart/service-py ) to google-auth. Any idea how to fix this ?

import argparse

from apiclient.discovery import build
from google.oauth2 import service_account
from google.auth.transport.urllib3 import AuthorizedHttp


SCOPES = ['...']
DISCOVERY_URI = ('...')
CLIENT_SECRETS_PATH = 'client_secrets.json' # Path to client_secrets.json file.
VIEW_ID = '...'


def initialize_analyticsreporting():
  """Initializes the analyticsreporting service object.

  Returns:l
    analytics an authorized analyticsreporting service object.
  """
  # Parse command-line arguments.
  credentials = service_account.Credentials.from_service_account_file(CLIENT_SECRETS_PATH)


  # Prepare credentials, and authorize HTTP object with them.
  # If the credentials don't exist or are invalid run through the native client
  # flow. The Storage object will ensure that if successful the good
  # credentials will get written back to a file.
authed_http = AuthorizedHttp(credentials)

response = authed_http.request(
    'GET', SCOPES)

  # Build the service object.
  analytics = build('analytics', 'v4', http=http, discoveryServiceUrl=DISCOVERY_URI)

  return analytics

def get_report(analytics):
  # Use the Analytics Service Object to query the Analytics Reporting API V4.
  return analytics.reports().batchGet(
      body=
    {
    "reportRequests":[
    {
      "viewId":VIEW_ID,
      "dateRanges":[
      {
        "startDate":"2019-01-01",
        "endDate":"yesterday"
      }],
      "dimensions":[
      {
        "name":"ga:transactionId"
      },
      {
        "name":"ga:sourceMedium"
      },
      {
        "name":"ga:date"
      }],
      "metrics":[
      {
        "expression":"ga:transactionRevenue"
      }]
    }]
  }
).execute()


def printResults(response):
  for report in response.get("reports", []):
    columnHeader = report.get("columnHeader", {})
    dimensionHeaders = columnHeader.get("dimensions", [])
    metricHeaders = columnHeader.get("metricHeader", {}).get("metricHeaderEntries", [])
    rows = report.get("data", {}).get("rows", [])

    for row in rows:
      dimensions = row.get("dimensions", [])
      dateRangeValues = row.get("metrics", [])

      for header, dimension in zip(dimensionHeaders, dimensions):
        print (header + ": " + dimension)

      for i, values in enumerate(dateRangeValues):
        for metric, value in zip(metricHeaders, values.get("values")):
          print (metric.get("name") + ": " + value)


def main():

  analytics = initialize_analyticsreporting()
  response = get_report(analytics)
  printResults(response)

if __name__ == '__main__':
  main()

I need to obtain response in form of a json with given dimensions and metrics from Google Analytics.

Answer 1

For those running into this problem and wish to port to the newer auth libraries, do a diff b/w the 2 different versions of the short/simple Google Drive API sample at the code repo for the G Suite APIs intro codelab to see what needs to be updated (and what can stay as-is). The bottom-line is that the API client library code can remain the same while all you do is swap out the auth libraries underneath.

Note that sample is only for user acct auth... for svc acct auth, the update is similar, but I don't have an example of that yet (working on one though... will update this once it's published).