Validator

Validator class for document-level validation on Stores. Attach an instance of a Validator subclass to a Store .schema variable to enable validation on that Store.

Validator

Bases: MSONable

A generic class to perform document-level validation on Stores. Attach a Validator to a Store during initialization, any all documents added to the Store will call .validate_doc() before being added.

Source code in src/maggma/core/validator.py

class Validator(MSONable, metaclass=ABCMeta):
    """
    A generic class to perform document-level validation on Stores.
    Attach a Validator to a Store during initialization, any all documents
    added to the Store will call .validate_doc() before being added.
    """

    @abstractmethod
    def is_valid(self, doc: Dict) -> bool:
        """
        Determines if the document is valid.

        Args:
            doc: document to check
        """

    @abstractmethod
    def validation_errors(self, doc: Dict) -> List[str]:
        """
        If document is not valid, provides a list of
        strings to display for why validation has failed.

        Returns empty list if the document is valid

        Args:
            doc:  document to check
        """

is_valid(doc) abstractmethod

Determines if the document is valid.

Parameters:

Name	Type	Description	Default
doc	Dict	document to check	required

Source code in src/maggma/core/validator.py

@abstractmethod
def is_valid(self, doc: Dict) -> bool:
    """
    Determines if the document is valid.

    Args:
        doc: document to check
    """

validation_errors(doc) abstractmethod

If document is not valid, provides a list of strings to display for why validation has failed.

Returns empty list if the document is valid

Parameters:

Name	Type	Description	Default
doc	Dict	document to check	required

Source code in src/maggma/core/validator.py

@abstractmethod
def validation_errors(self, doc: Dict) -> List[str]:
    """
    If document is not valid, provides a list of
    strings to display for why validation has failed.

    Returns empty list if the document is valid

    Args:
        doc:  document to check
    """