# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# 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 = 'https://towhee.io'
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 towhee.io')
[docs] def login(self) -> None:
"""
Log in with https://towhee.io 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)
self.file.save()
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 https://towhee.io 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 https://towhee.io. 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 towhee.io account you are logged in')
