class_docstr: A class for handling connections and interactions with the Gmail API.
  
  Attributes:
      credentials_file (str): The path to the Google Auth Credentials file for authentication
      and interacting with the Gmail API on behalf of the uesr.
  
      scopes (List[str], Optional): The scopes to use when authenticating with the Gmail API.
class_docstr_tok: ["A","class","for","handling","connections","and","interactions","with","the","Gmail","API",".","Attributes",":","credentials_file","(","str",")",":","The","path","to","the","Google","Auth","Credentials","file","for","authentication","and","interacting","with","the","Gmail","API","on","behalf","of","the","uesr",".","scopes","(","List","[","str","]",",","Optional",")",":","The","scopes","to","use","when","authenticating","with","the","Gmail","API","."]
docstr: Check connection to the handler.
  
  Returns
  -------
  StatusResponse
      Status confirmation
docstr_tok: ["Check","connection","to","the","handler",".","Returns","--","--","--","-","StatusResponse","Status","confirmation"]
code: def check_connection(self) -> StatusResponse:
      """Check connection to the handler.
  
      Returns
      -------
      StatusResponse
          Status confirmation
      """
      response = StatusResponse(False)
  
      try:
          # Call the Gmail API
          service = self.connect()
  
          result = service.users().getProfile(userId="me").execute()
  
          if result and result.get("emailAddress", None) is not None:
              response.success = True
              response.copy_storage = True
      except AuthException as error:
          response.error_message = str(error)
          response.redirect_url = error.auth_url
          return response
  
      except HttpError as error:
          response.error_message = (
              f"Error connecting to Gmail api: {error}."
          )
          logger.error(response.error_message)
  
      if response.success is False and self.is_connected is True:
          self.is_connected = False
  
      return response
  
imports: import json
  from shutil import copyfile
  from collections import OrderedDict
  import requests
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse
  from mindsdb.integrations.libs.const import HANDLER_CONNECTION_ARG_TYPE
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb_sql.parser import ast
  from mindsdb.utilities import log
  from mindsdb_sql import parse_sql
  from mindsdb.utilities.config import Config
  import os
  import time
  from typing import List
  import pandas
  from google.auth.transport.requests import Request
  from google.oauth2.credentials import Credentials
  from google_auth_oauthlib.flow import Flow
  from googleapiclient.discovery import build
  from googleapiclient.errors import HttpError
  from email.message import EmailMessage
  from base64 import urlsafe_b64encode, urlsafe_b64decode
  from .utils import AuthException, google_auth_flow, save_creds_to_file
label_desc: Use image node_id 5 for calling the GmailHandler obj's underlying member method code with example usage: obj.check_connection() and returns: response, response