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bazarr/libs/twine/auth.py

101 lines
3.0 KiB

import functools
import getpass
import logging
import warnings
from typing import Callable, Optional, Type, cast
import keyring
from twine import exceptions
from twine import utils
logger = logging.getLogger(__name__)
class CredentialInput:
def __init__(
self, username: Optional[str] = None, password: Optional[str] = None
) -> None:
self.username = username
self.password = password
class Resolver:
def __init__(self, config: utils.RepositoryConfig, input: CredentialInput) -> None:
self.config = config
self.input = input
@classmethod
def choose(cls, interactive: bool) -> Type["Resolver"]:
return cls if interactive else Private
@property # type: ignore # https://github.com/python/mypy/issues/1362
@functools.lru_cache()
def username(self) -> Optional[str]:
return utils.get_userpass_value(
self.input.username,
self.config,
key="username",
prompt_strategy=self.username_from_keyring_or_prompt,
)
@property # type: ignore # https://github.com/python/mypy/issues/1362
@functools.lru_cache()
def password(self) -> Optional[str]:
return utils.get_userpass_value(
self.input.password,
self.config,
key="password",
prompt_strategy=self.password_from_keyring_or_prompt,
)
@property
def system(self) -> Optional[str]:
return self.config["repository"]
def get_username_from_keyring(self) -> Optional[str]:
try:
system = cast(str, self.system)
creds = keyring.get_credential(system, None)
if creds:
return cast(str, creds.username)
except AttributeError:
# To support keyring prior to 15.2
pass
except Exception as exc:
warnings.warn(str(exc))
return None
def get_password_from_keyring(self) -> Optional[str]:
try:
system = cast(str, self.system)
username = cast(str, self.username)
return cast(str, keyring.get_password(system, username))
except Exception as exc:
warnings.warn(str(exc))
return None
def username_from_keyring_or_prompt(self) -> str:
username = self.get_username_from_keyring()
if username:
logger.info("username set from keyring")
return username
return self.prompt("username", input)
def password_from_keyring_or_prompt(self) -> str:
password = self.get_password_from_keyring()
if password:
logger.info("password set from keyring")
return password
return self.prompt("password", getpass.getpass)
def prompt(self, what: str, how: Callable[..., str]) -> str:
return how(f"Enter your {what}: ")
class Private(Resolver):
def prompt(self, what: str, how: Optional[Callable[..., str]] = None) -> str:
raise exceptions.NonInteractive(f"Credential not found for {what}.")