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","."]
code: def _parse_message(self, data, message, exception):
      if exception:
          logger.error(f"Exception in getting full email: {exception}")
          return
  
      payload = message["payload"]
      headers = payload.get("headers", [])
      parts = payload.get("parts")
  
      row = {
          "id": message["id"],
          "thread_id": message["threadId"],
          "label_ids": message.get("labelIds", []),
          "snippet": message.get("snippet", ""),
          "history_id": message["historyId"],
          "size_estimate": message.get("sizeEstimate", 0),
      }
  
      for header in headers:
          key = header["name"].lower()
          value = header["value"]
  
          if key in ["to", "subject", "date"]:
              row[key] = value
          elif key == "from":
              row["sender"] = value
          elif key == "message-id":
              row["message_id"] = value
  
      attachments = []
      row["body"] = self._parse_parts(parts, attachments)
      row["attachments"] = json.dumps(attachments)
      data.append(row)
  
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 8 for calling the GmailHandler obj's underlying member method code with example usage: obj._parse_message(data, message, exception) without return types