Source code for towhee.command.user

# Copyright 2021 Zilliz. All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.

import random
import sys
import subprocess
from getpass import getpass
from requests.exceptions import HTTPError

from towhee.utils.hub_utils import HubUtils
from towhee.utils.hub_file_utils import HubFileUtils

[docs]class UserCommand: """ Implementation for subcmd `towhee login`, `towhee whoami` and `towhee logout`. """
[docs] def __init__(self, args) -> None: self._args = args self._root = '' self.hub = HubUtils() self.file = HubFileUtils() self._token = self.file.token
[docs] def __call__(self) -> None: if self._args.action == 'login': self.login() elif self._args.action == 'whoami': username = self.whoami() if username: print(f'Username: {username}') elif self._args.action == 'logout': self.logout()
@staticmethod def install(subparsers): subparsers.add_parser('login', help='user command: login using the same credentials as on')
[docs] def login(self) -> None: """ Log in with account. """ if not self._token: username = input('Username: ') password = getpass() self.hub.set_author(username) try: r = self.hub.create_token(random.randint(0, 10000), password) token = r.json()['sha1'] except HTTPError: print('Error password.') sys.exit() self.hub.login(password, token) self.write_to_credential_store(username, token) self.file.set_token(token) print('Successfully logged in.') else: print('You are already logged in, please log out first.')
def whoami(self) -> str: if self._token: res = self.hub.get_user(self._token).json() username = res['username'] return username else: print('Not logged it.')
[docs] def logout(self) -> None: """ Log out with account. """ if self._token: username = self.whoami() self.hub.set_author(username) self.hub.logout(self._token) self.erase_from_credential_store(username) self.file.delete() print('Done.') else: print('Not logged it.')
[docs] def write_to_credential_store(self, username: str, password: str) -> None: """ Write a token to store credentials. Args: username (`str`): authorized username. password (`str`): user password. """ with subprocess.Popen( 'git credential-store store'.split(), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, ) as process: input_username = f'username={username.lower()}' input_password = f'password={password}' process.stdin.write( f'url={self._root}\n{input_username}\n{input_password}\n\n'.encode('utf-8') ) process.stdin.flush()
[docs] def erase_from_credential_store(self, username=None) -> None: """ Erases the credential store relative to If no `username` is specified, will erase the first entry. Args: username (`str`): authorized username. """ with subprocess.Popen( 'git credential-store erase'.split(), stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, ) as process: standard_input = f'url={self._root}\n' if username is not None: standard_input += f'username={username.lower()}\n' standard_input += '\n' process.stdin.write(standard_input.encode('utf-8')) process.stdin.flush()
[docs]class LogoutCommand:
[docs] def __init__(self, args) -> None: self._args = args
[docs] def __call__(self) -> None: UserCommand(self._args)()
@staticmethod def install(subparsers): subparsers.add_parser('logout', help='user command: logout')
[docs]class WhoCommand:
[docs] def __init__(self, args) -> None: self._args = args
[docs] def __call__(self) -> None: UserCommand(self._args)()
@staticmethod def install(subparsers): subparsers.add_parser('whoami', help='user command: find out which account you are logged in')