python download file from google drive

1def download_file_from_google_drive(id, destination):
2    URL = "https://docs.google.com/uc?export=download"
3
4    session = requests.Session()
5
6    response = session.get(URL, params = { 'id' : id }, stream = True)
7    token = get_confirm_token(response)
8
9    if token:
10        params = { 'id' : id, 'confirm' : token }
11        response = session.get(URL, params = params, stream = True)
12
13    save_response_content(response, destination)    
14
15def get_confirm_token(response):
16    for key, value in response.cookies.items():
17        if key.startswith('download_warning'):
18            return value
19
20    return None
21
22def save_response_content(response, destination):
23    CHUNK_SIZE = 32768
24
25    with open(destination, "wb") as f:
26        for chunk in response.iter_content(CHUNK_SIZE):
27            if chunk: # filter out keep-alive new chunks
28                f.write(chunk)
29
30                
31file_id = '0B1fGSuBXAh1IeEpzajRISkNHckU'
32destination = '/home/myusername/work/myfile.ext'
33download_file_from_google_drive(file_id, destination)