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__module__� __qualname__� __slots__rI �propertyrA r r r r r L s r r c C s dS )N)TNr )�_r r r �<lambda>b � rS c C s | S r! r )�xr r r rS c rT c C s |S r! r )rR r, r r r rS e rT Fc C sf t | tttf�r tt| ��}n tt| ��}|tkrBt|�rBt|�n|}t ||||||d�}t
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Field specification factory for :py:class:`PRecord`.
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:param invariant: a function specifying an invariant that must hold for the field
:param initial: value of field if not specified when instantiating the record
:param mandatory: boolean specifying if the field is mandatory or not
:param factory: function called when field is set.
:param serializer: function that returns a serialized version of the field
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Raised when trying to assign a value with a type that doesn't match the declared type.
Attributes:
source_class -- The class of the record
field -- Field name
expected_types -- Types allowed for the field
actual_type -- The non matching type
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Create checked field for either ``PSet`` or ``PVector``.
:param checked_class: ``CheckedPSet`` or ``CheckedPVector``.
:param item_type: The required type for the items in the set.
:param optional: If true, ``None`` can be used as a value for
this field.
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:return: A ``field`` containing a checked class.
c s | d kr d S � � | �S d S r! �rL �Zargument�rr r r rA � s z _sequence_field.<locals>.factoryT)r0 rA rF rE )ru rL r4 �
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Create checked ``PSet`` field.
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this field.
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for the field.
:return: A ``field`` containing a ``CheckedPSet`` of the given type.
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Create checked ``PVector`` field.
:param item_type: The required type for the items in the vector.
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this field.
:param initial: Initial value to pass to factory if no value is given
for the field.
:return: A ``field`` containing a ``CheckedPVector`` of the given type.
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pvector_field s �r} c C s dS )N)Trk r )�itemr r r rS rT c C s t | |f }t||�S )z8Unpickling function for auto-generated PMap field types.)�_pmap_field_typesr )�key_type�
value_typerh ri r r r �_restore_pmap_field_pickle s r� c sZ t �� �f�}|dk r|S G � �fdd�dt�}d�t|j�t|j��|_|t � �f< |S )zDCreate a subclass of CheckedPMap with the given key and value types.Nc s e Zd Z� Z�Zdd� ZdS )z%_make_pmap_field_type.<locals>.TheMapc S s t | j| jt| �ffS r! )r� � __key_type__�__value_type__r ro r r r rq & s �z0_make_pmap_field_type.<locals>.TheMap.__reduce__N)r2 rN rO r� r� rq r �r� r� r r �TheMap" s r� z {0}To{1}PMap)r r r r+ rn Z_checked_key_typesZ_checked_value_typesr2 )r� r� ri r� r r� r �_make_pmap_field_type s � r� c sB t | |�� |r � fdd�}n� j}td� � |r6t� �n� ||d�S )ad
Create a checked ``PMap`` field.
:param key: The required type for the keys of the map.
:param value: The required type for the values of the map.
:param optional: If true, ``None`` can be used as a value for
this field.
:param invariant: Pass-through to ``field``.
:return: A ``field`` containing a ``CheckedPMap``.
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