python dropbox api - ¿Guardar archivo token?

Question

Quiero evitar tener que autorizar este script una y otra vez. En otras palabras, cuando abro el script desde la terminal, me da un enlace que tengo que abrir en un navegador, luego hago clic en el botón 'Permitir' en el navegador y luego regreso a la terminal ... Supongo que hay una manera para guardar los detalles de autenticación, pero ¿cómo?

# Include the Dropbox SDK libraries 
from dropbox import client, rest, session 

# Get your app key and secret from the Dropbox developer website 

APP_KEY = 'xxxxxxxxxxx' 
APP_SECRET = 'yyyyyyyyyyyy' 
ACCESS_TYPE = 'dropbox' 


sess = session.DropboxSession(APP_KEY,APP_SECRET, ACCESS_TYPE) 

request_token = sess.obtain_request_token() 

# Make the user sign in and authorize this token 
url = sess.build_authorize_url(request_token) 
print "url:", url 
print "Please authorize in the browser. After you're done, press enter." 
raw_input() 

# This will fail if the user didn't visit the above URL and hit 'Allow' 
access_token = sess.obtain_access_token(request_token) 

client = client.DropboxClient(sess) 
#stored_creds = open(CONF_DIR + self.TOKEN_FILE).read() 
print "linked account:", client.account_info() 

f = open('t.txt') 
response = client.put_file('/uploaded_with_python.txt', f) 
print "uploaded:", response 

folder_metadata = client.metadata('/') 
print "metadata:", folder_metadata 

f, metadata = client.get_file_and_metadata('/uploaded_with_python',rev='362e2029684fe') 
out = open('/uploaded_with_python.txt', 'w') 
out.write(f) 
print(metadata) 

------------------------------------------- -------------------------------------------------EDITAR

que modificó el guión y es creado el guión sin embargo todavía tengo problemas para leer el archivo testigo de

# Include the Dropbox SDK libraries 
from dropbox import client, rest, session 

# Get your app key and secret from the Dropbox developer website 

APP_KEY = 'i4ffahjltei1bnu' 
APP_SECRET = 'cjullao1iiymrse' 
ACCESS_TYPE = 'dropbox' 

#acces token file 
token_file = open(TOKENS) 
token_key,token_secret = token_file.read().split('|') 
token_file.close() 

sess = session.DropboxSession(APP_KEY,APP_SECRET, ACCESS_TYPE) 

request_token = sess.obtain_request_token() 

# Make the user sign in and authorize this token 
url = sess.build_authorize_url(request_token) 
print "url:", url 
print "Please authorize in the browser. After you're done, press enter." 
raw_input() 

# This will fail if the user didn't visit the above URL and hit 'Allow' 
access_token = sess.obtain_access_token(request_token) 
#save token file 
TOKENS = 'dropbox_token.txt' 
token_file = open(TOKENS,'w') 
token_file.write("%s|%s" % (access_token.key,access_token.secret)) 
token_file.close() 

client = client.DropboxClient(sess) 

print "linked account:", client.account_info() 

f = open('t.txt') 
response = client.put_file('/uploaded_with_python.txt', f) 
print "uploaded:", response 

folder_metadata = client.metadata('/') 
print "metadata:", folder_metadata 

f, metadata = client.get_file_and_metadata('/uploaded_with_python',rev='362e2029684fe') 
out = open('/uploaded_with_python.txt', 'w') 
out.write(f) 
print(metadata) 

consigo este error:

Traceback (most recent call last): 
    File "dropb.py", line 14, in <module> 
    token_file = open(TOKENS) 
NameError: name 'TOKENS' is not defined 

Answer 1

puede escribir la señal_acceso a un archivo:

TOKENS = 'dropbox_token.txt' 
token_file = open(TOKENS,'w') 
token_file.write("%s|%s" % (access_token.key,access_token.secret)) 
token_file.close() 

Si lo haces una vez, luego epílogos puede utilizar esa señal:

token_file = open(TOKENS) 
token_key,token_secret = token_file.read().split('|') 
token_file.close() 

sess = session.DropboxSession(APP_KEY,APP_SECRET, ACCESS_TYPE) 
sess.set_token(token_key,token_secret) 
client = client.DropboxClient(sess)