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- from typing import Optional, Tuple, Union
- class CredentialProvider:
- """
- Credentials Provider.
- """
- def get_credentials(self) -> Union[Tuple[str], Tuple[str, str]]:
- raise NotImplementedError("get_credentials must be implemented")
- class UsernamePasswordCredentialProvider(CredentialProvider):
- """
- Simple implementation of CredentialProvider that just wraps static
- username and password.
- """
- def __init__(self, username: Optional[str] = None, password: Optional[str] = None):
- self.username = username or ""
- self.password = password or ""
- def get_credentials(self):
- if self.username:
- return self.username, self.password
- return (self.password,)
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