[PYTHON] ls -R on Google Drive

def list_recursively(id, dir="", maxResults=100):
    children = []
    query_result = drive_service.files().list(
            q='"%s" in parents' % id,
            maxResults=maxResults
            ).execute()
    while True:
        children += query_result['items']
        if not 'nextPageToken' in query_result:
            break
        query_result = drive_service.files().list(
                q='"%s" in parents' % id,
                pageToken=query_result['nextPageToken'],
                maxResults=maxResults
                ).execute()
 
    result = []
    for item in children:
        path = "%s/%s" % (dir, item['title'])
        result.append((path, item))
        if item['mimeType'] == 'application/vnd.google-apps.folder':
            result += list_recursively(item['id'], path)
 
    return result