pulpcore.plugin.serializers

All serializers documented here should be imported directly from the pulpcore.plugin.serializers namespace.

class pulpcore.plugin.serializers.AlternateContentSourcePathSerializer(*args, **kwargs)

Serializer for the AlternateContentSourcePath.

class pulpcore.plugin.serializers.AlternateContentSourceSerializer(*args, **kwargs)

Serializer for the AlternateContentSource.

create(validated_data)

Create Alternate Content Source and its path if specified.

update(instance, validated_data)

Update an Alternate Content Source.

class pulpcore.plugin.serializers.ArtifactSerializer(*args, **kwargs)

validate(data)

Validate file by size and by all checksums provided.

Parameters:

data (django.http.QueryDict) – QueryDict mapping Artifact model fields to their values

Raises:

rest_framework.exceptions.ValidationError – When the expected file size or any of the checksums don’t match their actual values.

class pulpcore.plugin.serializers.AsyncOperationResponseSerializer(*args, **kwargs)

Serializer for asynchronous operations.

When a field is instantiated, we store the arguments that were used, so that we can present a helpful representation of the object.

class pulpcore.plugin.serializers.ContentChecksumSerializer(*args, **kwargs)

Provide a serializer with artifact checksum fields for single artifact content.

If you use this serializer, it’s recommended that you prefetch artifacts:

Content.objects.prefetch_related(“_artifacts”).all()

When a field is instantiated, we store the arguments that were used, so that we can present a helpful representation of the object.

class pulpcore.plugin.serializers.ContentGuardSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.ContentRedirectContentGuardSerializer(*args, **kwargs)

A serializer for ContentRedirectContentGuard.

class pulpcore.plugin.serializers.DetailRelatedField(*args, **kwargs)

RelatedField for use when relating to Master/Detail models

When using this field on a Serializer, relate it to the Master model in a Master/Detail relationship, and it will automatically cast objects to their Detail type before generating URLs for them.

Subclasses must indicate the Master model they represent by declaring a queryset in their class body, usually <MasterModelImplementation>.objects.all().

get_object(*args, **kwargs)

Return the object corresponding to a matched URL.

Takes the matched URL conf arguments, and should return an object instance, or raise an ObjectDoesNotExist exception.

use_pk_only_optimization()

If the lookup field is pk, DRF substitutes a PKOnlyObject as an optimization. This optimization breaks with Detail fields like this one which need access to their Meta class to get the relevant view_name.

class pulpcore.plugin.serializers.DistributionSerializer(*args, **kwargs)

The Serializer for the Distribution model.

The serializer deliberately omits the publication and repository_version field due to plugins typically requiring one or the other but not both.

To include the publication field, it is recommended plugins define the field:

publication = DetailRelatedField(
    required=False,
    help_text=_("Publication to be served"),
    view_name_pattern=r"publications(-.*/.*)?-detail",
    queryset=models.Publication.objects.exclude(complete=False),
    allow_null=True,
)

To include the repository_version field, it is recommended plugins define the field:

repository_version = RepositoryVersionRelatedField(
    required=False, help_text=_("RepositoryVersion to be served"), allow_null=True
)

Additionally, the serializer omits the remote field, which is used for pull-through caching feature and only by plugins which use publications. Plugins implementing a pull-through caching should define the field in their derived serializer class like this:

remote = DetailRelatedField(
    required=False,
    help_text=_('Remote that can be used to fetch content when using pull-through caching.'),
    queryset=models.Remote.objects.all(),
    allow_null=True
)

class pulpcore.plugin.serializers.DomainUniqueValidator(queryset, message=None, lookup='exact')

Special UniqueValidator for Models with pulp_domain relations.

filter_queryset(value, queryset, field_name)

Filter by domain first to limit unique check to that domain.

class pulpcore.plugin.serializers.ExportSerializer(*args, **kwargs)

Base serializer for Exports.

class pulpcore.plugin.serializers.ExporterSerializer(*args, **kwargs)

Base serializer for Exporters.

static validate_path(value, check_is_dir=False)

Check if path is in ALLOWED_EXPORT_PATHS.

Parameters:

• value – The user-provided value path to be validated.

• check_is_dir – If true, insure path ends with a directory

Raises:

ValidationError – When path is not in the ALLOWED_EXPORT_PATHS setting.

Returns:

The validated value.

class pulpcore.plugin.serializers.GetOrCreateSerializerMixin

A mixin that provides a get_or_create with validation in the serializer

class pulpcore.plugin.serializers.HiddenFieldsMixin(*args, **kwargs)

Adds a list field of hidden (write only) fields and whether their values are set so clients can tell if they are overwriting an existing value. For example this could be any sensitive information such as a password, name or token. The list contains dictionaries with keys name and is_set.

When a field is instantiated, we store the arguments that were used, so that we can present a helpful representation of the object.

class pulpcore.plugin.serializers.IdentityField(*args, **kwargs)

IdentityField for use in the pulp_href field of non-Master/Detail Serializers.

When using this field on a serializer, it will serialize the related resource as a relative URL.

class pulpcore.plugin.serializers.ImportSerializer(*args, **kwargs)

Serializer for Imports.

class pulpcore.plugin.serializers.ImporterSerializer(*args, **kwargs)

Base serializer for Importers.

class pulpcore.plugin.serializers.ModelSerializer(*args, **kwargs)

Base serializer for use with pulpcore.app.models.Model

This ensures that all Serializers provide values for the ‘pulp_href` field.

The class provides a default for the ref_name attribute in the ModelSerializers’s Meta class. This ensures that the OpenAPI definitions of plugins are namespaced properly.

class pulpcore.plugin.serializers.MultipleArtifactContentSerializer(*args, **kwargs)

get_artifacts(validated_data)

Extract artifacts from validated_data.

This function is supposed to extract the information about content artifacts from validated_data and return a dictionary with artifacts and relative paths as keys.

class pulpcore.plugin.serializers.NestedRelatedField(*args, **kwargs)

NestedRelatedField for use when relating to nested resources.

When using this field in a serializer, it serializes the related resource as a relative URL.

class pulpcore.plugin.serializers.NoArtifactContentSerializer(*args, **kwargs)

create(validated_data)

Create the content and associate it with its Artifacts, or retrieve the existing content.

Parameters:

validated_data (dict) – Data to save to the database

get_artifacts(validated_data)

Extract artifacts from validated_data.

This function is supposed to extract the information about content artifacts from validated_data and return a dictionary with artifacts and relative paths as keys.

retrieve(validated_data)

Retrieve existing content unit if it exists, else return None.

This method is plugin-specific and implementing it for a specific content type allows for uploading already existing content units of that type.

validate(data)

Validate that we have an Artifact or can create one.

class pulpcore.plugin.serializers.NoArtifactContentUploadSerializer(*args, **kwargs)

A serializer for content types with no Artifact.

create(validated_data)

Create a new content and remove the already parsed file from validated_data.

class pulpcore.plugin.serializers.ProgressReportSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.PublicationSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.RelatedField(*args, **kwargs)

RelatedField when relating to non-Master/Detail models

When using this field on a serializer, it will serialize the related resource as a relative URL.

class pulpcore.plugin.serializers.RemoteSerializer(*args, **kwargs)

Every remote defined by a plugin should have a Remote serializer that inherits from this class. Please import from pulpcore.plugin.serializers rather than from this module directly.

validate(data)

Check, that proxy credentials are only provided completely and if a proxy is configured.

validate_proxy_url(value)

Check, that the proxy_url does not contain credentials.

validate_url(url)

Check if the ‘url’ is a file:// path, and if so, ensure it’s an ALLOWED_IMPORT_PATH.

The ALLOWED_IMPORT_PATH is specified as a Pulp setting.

Parameters:

url – The user-provided value for ‘url’ to be validated.

Raises:

ValidationError – When the url starts with file://, but is not a subfolder of a path in the ALLOWED_IMPORT_PATH setting.

Returns:

The validated value.

class pulpcore.plugin.serializers.RepositoryAddRemoveContentSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.RepositorySerializer(*args, **kwargs)

class pulpcore.plugin.serializers.RepositorySyncURLSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.RepositoryVersionRelatedField(*args, **kwargs)

get_object(view_name, view_args, view_kwargs)

Return the object corresponding to a matched URL.

Takes the matched URL conf arguments, and should return an object instance, or raise an ObjectDoesNotExist exception.

class pulpcore.plugin.serializers.SingleArtifactContentSerializer(*args, **kwargs)

Initializer for SingleArtifactContentSerializer

get_artifacts(validated_data)

Extract artifacts from validated_data.

This function is supposed to extract the information about content artifacts from validated_data and return a dictionary with artifacts and relative paths as keys.

class pulpcore.plugin.serializers.SingleArtifactContentUploadSerializer(*args, **kwargs)

A serializer for content_types with a single Artifact.

The Artifact can either be specified via it’s url or an uncommitted upload, or a new file can be uploaded in the POST data. Additionally a repository can be specified, to which the content unit will be added.

When using this serializer, the creation of the real content must be wrapped in a task that touches the Artifact and locks the Upload and Repository when specified.

Initializer for SingleArtifactContentUploadSerializer.

deferred_validate(data)

Validate the content unit by deeply analyzing the specified Artifact.

This is only called when validating without a request context to prevent stalling an ongoing http request. It should be overwritten by plugins to extract metadata from the actual content in much the same way as validate. When overwriting, plugins must super-call this method to handle uploads before analyzing the artifact.

class pulpcore.plugin.serializers.SingleContentArtifactField(*args, **kwargs)

A serializer field for the ‘_artifacts’ ManyToManyField on the Content model (single-artifact).

get_attribute(instance)

Returns the field from the instance that should be serialized using this serializer field.

This serializer looks up the list of artifacts and returns only one, if any exist. If more than one exist, it throws and exception because this serializer is being used in an improper context.

Parameters:

instance (pulpcore.app.models.Content) – An instance of Content being serialized.

Returns:

A single Artifact model related to the instance of Content.

class pulpcore.plugin.serializers.TaskGroupOperationResponseSerializer(*args, **kwargs)

Serializer for asynchronous operations that return a task group.

When a field is instantiated, we store the arguments that were used, so that we can present a helpful representation of the object.

class pulpcore.plugin.serializers.TaskSerializer(*args, **kwargs)

class pulpcore.plugin.serializers.ValidateFieldsMixin

A mixin for validating unknown serializers’ fields.

pulpcore.plugin.serializers.validate_unknown_fields(initial_data, defined_fields)

This will raise a ValidationError if a serializer is passed fields that are unknown. The csrfmiddlewaretoken field is silently ignored.