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exceptions

Gathers all exceptions thrown by ormar.

AsyncOrmException

Bases: Exception

Base ormar Exception

Source code in ormar/exceptions.py 
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class AsyncOrmException(Exception):
    """
    Base ormar Exception
    """

    pass

ModelDefinitionError

Bases: AsyncOrmException

Raised for errors related to the model definition itself:

  • defining a Field without required parameters
  • defining a model with more than one primary_key
  • defining a model without primary_key
Source code in ormar/exceptions.py 
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class ModelDefinitionError(AsyncOrmException):
    """
    Raised for errors related to the model definition itself:

    * defining a Field without required parameters
    * defining a model with more than one primary_key
    * defining a model without primary_key
    """

    pass

ModelError

Bases: AsyncOrmException

Raised for initialization of model with non-existing field keyword.

Source code in ormar/exceptions.py 
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class ModelError(AsyncOrmException):
    """
    Raised for initialization of model with non-existing field keyword.
    """

    pass

ModelListEmptyError

Bases: AsyncOrmException

Raised for objects is empty when bulk_update

Source code in ormar/exceptions.py 
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class ModelListEmptyError(AsyncOrmException):
    """
    Raised for objects is empty when bulk_update
    """

    pass

ModelPersistenceError

Bases: AsyncOrmException

Raised for update of models without primary_key set (cannot retrieve from db) or for saving a model with relation to unsaved model (cannot extract fk value).

Source code in ormar/exceptions.py 
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class ModelPersistenceError(AsyncOrmException):
    """
    Raised for update of models without primary_key set (cannot retrieve from db)
    or for saving a model with relation to unsaved model (cannot extract fk value).
    """

    pass

MultipleMatches

Bases: AsyncOrmException

Raised for database queries that should return one row (i.e. get, first etc.) but has multiple matching results in response.

Source code in ormar/exceptions.py 
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class MultipleMatches(AsyncOrmException):
    """
    Raised for database queries that should return one row (i.e. get, first etc.)
    but has multiple matching results in response.
    """

    pass

NoMatch

Bases: AsyncOrmException

Raised for database queries that has no matching result (empty result).

Source code in ormar/exceptions.py 
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class NoMatch(AsyncOrmException):
    """
    Raised for database queries that has no matching result (empty result).
    """

    pass

QueryDefinitionError

Bases: AsyncOrmException

Raised for errors in query definition:

  • using contains or icontains filter with instance of the Model
  • using Queryset.update() without filter and setting each flag to True
  • using Queryset.delete() without filter and setting each flag to True
Source code in ormar/exceptions.py 
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class QueryDefinitionError(AsyncOrmException):
    """
    Raised for errors in query definition:

    * using contains or icontains filter with instance of the Model
    * using Queryset.update() without filter and setting each flag to True
    * using Queryset.delete() without filter and setting each flag to True
    """

    pass

SignalDefinitionError

Bases: AsyncOrmException

Raised when non callable receiver is passed as signal callback.

Source code in ormar/exceptions.py 
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class SignalDefinitionError(AsyncOrmException):
    """
    Raised when non callable receiver is passed as signal callback.
    """

    pass