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Exceptions

zenml.exceptions

ZenML specific exception definitions.

Classes

ArtifactStoreInterfaceError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exception when interacting with the Artifact Store interface in an unsupported way.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

AuthorizationException(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when an authorization error occurred while trying to access a ZenML resource .

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

BackupSecretsStoreNotConfiguredError

Bases: NotImplementedError

Raised when a backup secrets store is not configured.

CredentialsNotValid(message: Optional[str] = None, url: Optional[str] = None)

Bases: AuthorizationException

Raised when the credentials provided are invalid.

This is a subclass of AuthorizationException and should only be raised when the authentication credentials are invalid (e.g. expired API token, invalid username/password, invalid signature). If caught by the ZenML client, it will trigger an invalidation of the currently cached API token and a re-authentication flow.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

CustomFlavorImportError

Bases: ImportError

Raised when failing to import a custom flavor.

DoesNotExistException(message: str)

Bases: ZenMLBaseException

Raises exception when the entity does not exist in the system but an action is being done that requires it to be present.

Initializes the exception.

Parameters:

Name Type Description Default
message str

Message with details of exception.

 required
Source code in src/zenml/exceptions.py 
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def __init__(self, message: str):
    """Initializes the exception.

    Args:
        message: Message with details of exception.
    """
    super().__init__(message)
Functions

EntityCreationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException, RuntimeError

Raised when failing to create an entity.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

EntityExistsError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when trying to register an entity that already exists.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

GitNotFoundError

Bases: ImportError

Raised when ZenML CLI is used to interact with examples on a machine with no git installation.

HydrationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when the model hydration failed.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

IllegalOperationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when an illegal operation is attempted.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

InitializationException(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when an error occurred during initialization of a ZenML repository.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

InputResolutionError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when step input resolving failed.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

IntegrationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exceptions when a requested integration can not be activated.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

MaterializerInterfaceError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exception when interacting with the Materializer interface in an unsupported way.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

MaxConcurrentTasksError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when the maximum number of concurrent tasks is reached.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

MethodNotAllowedError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when the server does not allow a request method.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

OAuthError(error: str, status_code: int = 400, error_description: Optional[str] = None, error_uri: Optional[str] = None)

Bases: ValueError

OAuth2 error.

Initializes the OAuthError.

Parameters:

Name Type Description Default
status_code int

HTTP status code.

 400
error str

Error code.

 required
error_description Optional[str]

Error description.

 None
error_uri Optional[str]

Error URI.

 None
Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    error: str,
    status_code: int = 400,
    error_description: Optional[str] = None,
    error_uri: Optional[str] = None,
) -> None:
    """Initializes the OAuthError.

    Args:
        status_code: HTTP status code.
        error: Error code.
        error_description: Error description.
        error_uri: Error URI.
    """
    self.status_code = status_code
    self.error = error
    self.error_description = error_description
    self.error_uri = error_uri
Functions
to_dict() -> Dict[str, Optional[str]]

Returns the OAuthError as a dictionary.

Returns:

Type Description
Dict[str, Optional[str]]

The OAuthError as a dictionary.
Source code in src/zenml/exceptions.py 
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def to_dict(self) -> Dict[str, Optional[str]]:
    """Returns the OAuthError as a dictionary.

    Returns:
        The OAuthError as a dictionary.
    """
    return {
        "error": self.error,
        "error_description": self.error_description,
        "error_uri": self.error_uri,
    }

SecretsStoreNotConfiguredError

Bases: NotImplementedError

Raised when a secrets store is not configured.

SettingsResolvingError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when resolving settings failed.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

StackComponentInterfaceError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exception when interacting with the stack components in an unsupported way.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

StackValidationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when a stack configuration is not valid.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

StepContextError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exception when interacting with a StepContext in an unsupported way.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

StepInterfaceError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raises exception when interacting with the Step interface in an unsupported way.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

SubscriptionUpgradeRequiredError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when user tries to perform an action outside their current subscription tier.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

ValidationError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when the Model passed to the ZenStore.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

WebhookInactiveError(message: Optional[str] = None, url: Optional[str] = None)

Bases: ZenMLBaseException

Raised when source is inactive.

Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)

ZenKeyError(message: str)

Bases: KeyError

Specialized key error which allows error messages with line breaks.

Initialization.

Parameters:

Name Type Description Default
message str

str, the error message

 required
Source code in src/zenml/exceptions.py 
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def __init__(self, message: str) -> None:
    """Initialization.

    Args:
        message:str, the error message
    """
    self.message = message
Functions

ZenMLBaseException(message: Optional[str] = None, url: Optional[str] = None)

Bases: Exception

Base exception for all ZenML Exceptions.

The BaseException used to format messages displayed to the user.

Parameters:

Name Type Description Default
message Optional[str]

Message with details of exception. This message will be appended with another message directing user to url for more information. If None, then default Exception behavior is used.

 None
url Optional[str]

URL to point to in exception message. If None, then no url is appended.

 None
Source code in src/zenml/exceptions.py 
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def __init__(
    self,
    message: Optional[str] = None,
    url: Optional[str] = None,
):
    """The BaseException used to format messages displayed to the user.

    Args:
        message: Message with details of exception. This message
                 will be appended with another message directing user to
                 `url` for more information. If `None`, then default
                 Exception behavior is used.
        url: URL to point to in exception message. If `None`, then no url
             is appended.
    """
    if message and url:
        message += f" For more information, visit {url}."
    super().__init__(message)
Functions