def _set_access_token(username: str, access_token: str,
connect_string: str) -> Optional[str]:
"""
Sets the access_token for the connect request by doing the following:
1. retrieves the token configured for the connect_string from the
.arkouda/tokens.txt file, if any
2. if access_token is None, returns the retrieved token
3. if access_token is not None, replaces retrieved token with the access_token
to account for situations where the token can change for a url (for example,
the arkouda_server is restarted and a corresponding new token is generated).
:param str username: the username retrieved from the user's home directory
:param str access_token: the access_token supplied by the user, defaults to None
:param str connect_string: the arkouda_server host:port connect string
:return: the retrieved or supplied access_token, defaults to None
"""
path = '{}/tokens.txt'.format(security.get_arkouda_client_directory())
tokens = io_util.delimited_file_to_dict(path)
if access_token and access_token not in {'', 'None'}:
saved_token = tokens.get(connect_string)
if saved_token is None or saved_token != access_token:
tokens[connect_string] = access_token
io_util.dict_to_delimited_file(values=tokens,
path=path,
delimiter=',')
return access_token
else:
tokens = io_util.delimited_file_to_dict(path)
return tokens.get(connect_string)
def _set_access_token(access_token: Optional[str],
connect_string: str = 'localhost:5555') -> Optional[str]:
"""
Sets the access_token for the connect request by doing the following:
1. retrieves the token configured for the connect_string from the
.arkouda/tokens.txt file, if any
2. if access_token is None, returns the retrieved token
3. if access_token is not None, replaces retrieved token with the access_token
to account for situations where the token can change for a url (for example,
the arkouda_server is restarted and a corresponding new token is generated).
Parameters
----------
username : str
The username retrieved from the user's home directory
access_token : str
The access_token supplied by the user, which is required if authentication
is enabled, defaults to None
connect_string : str
The arkouda_server host:port connect string, defaults to localhost:5555
Returns
-------
str
The access token configured for the host:port, None if there is no
token configured for the host:port
Raises
------
IOError
If there's an error writing host:port -> access_token mapping to
the user's tokens.txt file or retrieving the user's tokens
"""
path = '{}/tokens.txt'.format(security.get_arkouda_client_directory())
try:
tokens = io_util.delimited_file_to_dict(path)
except Exception as e:
raise IOError(e)
if cast(str, access_token) and cast(str, access_token) not in {'', 'None'}:
saved_token = tokens.get(connect_string)
if saved_token is None or saved_token != access_token:
tokens[connect_string] = cast(str, access_token)
try:
io_util.dict_to_delimited_file(values=tokens,
path=path,
delimiter=',')
except Exception as e:
raise IOError(e)
return access_token
else:
try:
tokens = io_util.delimited_file_to_dict(path)
except Exception as e:
raise IOError(e)
return tokens.get(connect_string)
def testDelimitedFileToDict(self):
io_util.write_line_to_file(path='{}/testfile.txt'.format(
IOUtilTest.io_test_dir),
line='localhost:5555,9ty4h6olr4')
io_util.write_line_to_file(path='{}/testfile.txt'.format(
IOUtilTest.io_test_dir),
line='127.0.0.1:5556,6ky3i91l17')
values = io_util.delimited_file_to_dict(path='{}/testfile.txt'.format(
IOUtilTest.io_test_dir),
delimiter=',')
self.assertTrue(values)
self.assertEqual('9ty4h6olr4', values['localhost:5555'])
self.assertEqual('6ky3i91l17', values['127.0.0.1:5556'])
Path.unlink(Path('{}/testfile.txt'.format(IOUtilTest.io_test_dir)))