jesse_gdrive_getter.py

#setup some basic python script to get params from the command line
import sys
Param1 = sys.argv[0] #make the first param map to variable Param1
Param2 = sys.argv[1] #make the first param map to variable Param2

# now the google example
# from google api https://developers.google.com/drive/web/manage-downloads#examples
from apiclient import errors
# ...

def download_file(service, drive_file):
  """Download a file's content.

  Args:
    service: Drive API service instance.
    drive_file: Drive File instance.

  Returns:
    File's content if successful, None otherwise.
  """
  download_url = drive_file.get('downloadUrl')
  if download_url:
    resp, content = service._http.request(download_url)
    if resp.status == 200:
      print 'Status: %s' % resp
      return content
    else:
      print 'An error occurred: %s' % resp
      return None
  else:
    # The file doesn't have any content stored on Drive.
    return None
# end google example

# now do the google funciton call with your params
download_file(Param1, Param2)

you would call it like this:

python path/to/jesse_gdrive_getter.py service drive_file