/opt/alt/python38/lib/python3.8/site-packages/cerberus/__pycache__
Edit: /opt/alt/python38/lib/python3.8/site-packages/cerberus/__pycache__/validator.cpython-38.pyc (52215B)
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Extensible validation for Python dictionaries.
This module implements Cerberus Validator class
:copyright: 2012-2016 by Nicola Iarocci.
:license: ISC, see LICENSE for more details.
Full documentation is available at http://python-cerberus.org
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Raised when a schema (list) validation encounters a mapping.
Not supposed to be used outside this module.
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BareValidatora
Validator class. Normalizes and/or validates any mapping against a
validation-schema which is provided as an argument at class instantiation
or upon calling the :meth:`~cerberus.Validator.validate`,
:meth:`~cerberus.Validator.validated` or
:meth:`~cerberus.Validator.normalized` method. An instance itself is
callable and executes a validation.
All instantiation parameters are optional.
There are the introspective properties :attr:`types`, :attr:`validators`,
:attr:`coercers`, :attr:`default_setters`, :attr:`rules`,
:attr:`normalization_rules` and :attr:`validation_rules`.
The attributes reflecting the available rules are assembled considering
constraints that are defined in the docstrings of rules' methods and is
effectively used as validation schema for :attr:`schema`.
:param schema: See :attr:`~cerberus.Validator.schema`.
Defaults to :obj:`None`.
:type schema: any :term:`mapping`
:param ignore_none_values: See :attr:`~cerberus.Validator.ignore_none_values`.
Defaults to ``False``.
:type ignore_none_values: :class:`bool`
:param allow_unknown: See :attr:`~cerberus.Validator.allow_unknown`.
Defaults to ``False``.
:type allow_unknown: :class:`bool` or any :term:`mapping`
:param require_all: See :attr:`~cerberus.Validator.require_all`.
Defaults to ``False``.
:type require_all: :class:`bool`
:param purge_unknown: See :attr:`~cerberus.Validator.purge_unknown`.
Defaults to to ``False``.
:type purge_unknown: :class:`bool`
:param purge_readonly: Removes all fields that are defined as ``readonly`` in the
normalization phase.
:type purge_readonly: :class:`bool`
:param error_handler: The error handler that formats the result of
:attr:`~cerberus.Validator.errors`.
When given as two-value tuple with an error-handler
class and a dictionary, the latter is passed to the
initialization of the error handler.
Default: :class:`~cerberus.errors.BasicErrorHandler`.
:type error_handler: class or instance based on
:class:`~cerberus.errors.BaseErrorHandler` or
:class:`tuple`
)nullable)r* readonlytypeemptybinaryr boolean containerr r dictfloatintegerlistnumbersetstring) r. r/ r0 r r r1 r2 r3 r4 r5 r6 r7 c s d| _ t | _d| _t | _t | _d| _ d| _
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The arguments will be treated as with this signature:
__init__(self, schema=None, ignore_none_values=False,
allow_unknown=False, require_all=False,
purge_unknown=False, purge_readonly=False,
error_handler=errors.BasicErrorHandler)
Nr Fschema
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z"BareValidator.__init_error_handlerc C sN d}t |dt| D ]*\}}||kr6td| q|| ||< q|| _dS )z.Assign args to kwargs and store configuration.)r8 ignore_none_valuesr9 r:
purge_unknownpurge_readonlyNz.__init__ got multiple values for argument '%s') enumeratelen TypeError_config)r rM rN signatureipr r r Z__store_config s z BareValidator.__store_configc C s | j dS )z'Purge the cache of known valid schemas.N)_valid_schemasclearclsr r r clear_caches s zBareValidator.clear_cachesc G s t |dkr\| j|d | j |d D ](}| j| | j| | j| q.n:t |dkrt |d t
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Creates and adds one or multiple errors.
:param args: Accepts different argument's signatures.
*1. Bulk addition of errors:*
- :term:`iterable` of
:class:`~cerberus.errors.ValidationError`-instances
The errors will be added to
:attr:`~cerberus.Validator._errors`.
*2. Custom error:*
- the invalid field's name
- the error message
A custom error containing the message will be created and
added to :attr:`~cerberus.Validator._errors`.
There will however be fewer information contained in the
error (no reference to the violated rule and its
constraint).
*3. Defined error:*
- the invalid field's name
- the error-reference, see :mod:`cerberus.errors`
- arbitrary, supplemental information about the error
A :class:`~cerberus.errors.ValidationError` instance will
be created and added to
:attr:`~cerberus.Validator._errors`.
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Creates a new instance of Validator-(sub-)class. All initial parameters of the
parent are passed to the initialization, unless a parameter is given as an
explicit *keyword*-parameter.
:param document_crumb: Extends the
:attr:`~cerberus.Validator.document_path`
of the child-validator.
:type document_crumb: :class:`tuple` or :term:`hashable`
:param schema_crumb: Extends the
:attr:`~cerberus.Validator.schema_path`
of the child-validator.
:type schema_crumb: :class:`tuple` or hashable
:param kwargs: Overriding keyword-arguments for initialization.
:type kwargs: :class:`dict`
:return: an instance of ``self.__class__``
Tis_childrG root_allow_unknownroot_require_all
root_document root_schemaN)r[ r rE rt toy_error_handlerr9 r: r; r8 rP rC rR rS rD )r document_crumb schema_crumbrN Z child_configZchild_validatorr r r _get_child_validatorE s*
z"BareValidator._get_child_validatorc C s< d ||dd}t| |d }|d kr8td |||S )Nz_{0}_{1} _z/There's no handler for '{}' in the '{}' domain.)formatreplacegetattrr )r domainrm Z
methodnameresultr r r Z__get_rule_handlert s z BareValidator.__get_rule_handlerc C s t | j}t | j}|D ]b}t|ddD ]}t|j|| |_q(t|ddD ]}t|j|| |_qL|jr| |j|| qdS )a{
Removes nodes by index from an errorpath, relatively to the basepaths of self.
:param errors: A list of :class:`errors.ValidationError` instances.
:param dp_items: A list of integers, pointing at the nodes to drop from
the :attr:`document_path`.
:param sp_items: Alike ``dp_items``, but for :attr:`schema_path`.
T)reverseN)rY rC rD sortedr Z child_errors_drop_nodes_from_errorpaths)r r= Zdp_itemsZsp_itemsZ dp_basedepthZ sp_basedepthrq r] r r r r ~ s
z)BareValidator._drop_nodes_from_errorpathsc C sn | dr.|dd }| dr&| jn| j}n| j}|d}|D ] }||krT dS ||i }qB|d |fS )a
Searches for a field as defined by path. This method is used by the
``dependency`` evaluation logic.
:param path: Path elements are separated by a ``.``. A leading ``^``
indicates that the path relates to the document root,
otherwise it relates to the currently evaluated document,
which is possibly a subdocument.
The sequence ``^^`` at the start will be interpreted as a
literal ``^``.
:type path: :class:`str`
:returns: Either the found field name and its value or :obj:`None` for
both.
:rtype: A two-value :class:`tuple`.
^rd N.)NN)
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If ``True`` unknown fields that are not defined in the schema will be ignored.
If a mapping with a validation schema is given, any undefined field will be
validated against its rules. Also see :ref:`allowing-the-unknown`.
Type: :class:`bool` or any :term:`mapping`
r9 Fr[ rI r r r r r9 s zBareValidator.allow_unknownc C s0 | j s"t|ttfs"t| d|i || jd< d S )Nr9 )rt rR boolr r[ r r r r r r9 s c C s | j ddS )zw
If ``True`` known fields that are defined in the schema will be required.
Type: :class:`bool`
r: Fr r r r r r: s zBareValidator.require_allc C s || j d< d S )Nr: r[ r r r r r: s c C s | | jS )z
The errors of the last processing formatted by the handler that is bound to
:attr:`~cerberus.Validator.error_handler`.
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Whether to not process :obj:`None`-values in a document or not.
Type: :class:`bool`
rU Fr r r r r rU s z BareValidator.ignore_none_valuesc C s || j d< d S )NrU r r r r r rU s c C s | j ddS )z
``True`` for child-validators obtained with
:meth:`~cerberus.Validator._get_child_validator`.
Type: :class:`bool`
rt Fr r r r r rt s zBareValidator.is_childc C s | j ddS )z/``True`` if the document is already normalized._is_normalizedFr r r r r r s z BareValidator._is_normalizedc C s || j d< d S )Nr r r r r r r s c C s | j ddS )z
If ``True``, unknown fields will be deleted from the document unless a
validation is called with disabled normalization. Also see
:ref:`purging-unknown-fields`.
Type: :class:`bool`
rV Fr r r r r rV s zBareValidator.purge_unknownc C s || j d< d S )NrV r r r r r rV s c C s | j ddS )z
If ``True``, fields declared as readonly will be deleted from the document
unless a validation is called with disabled normalization.
Type: :class:`bool`
rW Fr r r r r rW s z BareValidator.purge_readonlyc C s || j d< d S )NrW r r r r r rW s c C s | j d| jS )z
The :attr:`~cerberus.Validator.allow_unknown` attribute of the first level
ancestor of a child validator.
ru )r[ rI r9 r r r r ru s z BareValidator.root_allow_unknownc C s | j d| jS )z
The :attr:`~cerberus.Validator.require_all` attribute of the first level
ancestor of a child validator.
rv )r[ rI r: r r r r rv ( s z BareValidator.root_require_allc C s | j d| jS )z~
The :attr:`~cerberus.Validator.document` attribute of the first level ancestor
of a child validator.
rw )r[ rI r; r r r r rw 0 s zBareValidator.root_documentc C s | j dtS )zj
The registry that holds referenced rules sets.
Type: :class:`~cerberus.Registry`
r )r[ rI r r r r r r 8 s z BareValidator.rules_set_registryc C s || j d< d S )Nr r r registryr r r r @ s c C s | j d| jS )z|
The :attr:`~cerberus.Validator.schema` attribute of the first level ancestor of
a child validator.
rx )r[ rI r8 r r r r rx D s zBareValidator.root_schemac C s | j S )z
The validation schema of a validator. When a schema is passed to a method, it
replaces this attribute.
Type: any :term:`mapping` or :obj:`None`
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The registry that holds referenced schemas.
Type: :class:`~cerberus.Registry`
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The constraints that can be used for the 'type' rule.
Type: A tuple of strings.
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Drops rules from the queue of the rules that still need to be evaluated for the
currently processed field. If no arguments are given, the whole queue is
emptied.
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z#BareValidator._drop_remaining_rulesFc C s@ | || | | j| j | j| | jr6|s6dS | jS dS )a
Returns the document normalized according to the specified rules of a schema.
:param document: The document to normalize.
:type document: any :term:`mapping`
:param schema: The validation schema. Defaults to :obj:`None`. If not
provided here, the schema must have been provided at
class instantiation.
:type schema: any :term:`mapping`
:param always_return_document: Return the document, even if an error
occurred. Defaults to: ``False``.
:type always_return_document: :class:`bool`
:return: A normalized copy of the provided mapping or :obj:`None` if an
error occurred during normalization.
N) _BareValidator__init_processing!_BareValidator__normalize_mappingr; r8 rG endr= )r r; r8 always_return_documentr r r
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:type schema: any :term:`mapping`
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:type update: :class:`bool`
:param normalize: If ``True``, normalize the document before validation.
:type normalize: :class:`bool`
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:rtype: :class:`bool`
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