Add structural Protocol types for TSC item classes#1802
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…gs type - Rename DefaultPermissionsEndpoint's local BaseItem alias to DefaultPermissionsTarget to avoid shadowing the new public Protocol - Remove _initial_tags from TaggableItem (internal dirty-tracking detail, not a public contract); update ContentItem docstring to include MetricItem - Narrow WorkbookItem._initial_tags and DatasourceItem._initial_tags annotations from bare set to set[str] for Protocol invariance compliance Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
… __all__ Taggable in resource_tagger.py was never used as a type bound -- TaggableItem in base_item.py now covers the public contract. Also remove runtime_checkable import which became unused. Fix pre-existing duplicate SiteOIDCConfiguration entry in models/__init__.__all__. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
ViewItem.owner_id is not independently writable (it tracks the parent workbook's owner), so a plain writable Protocol attribute annotation would mislead mypy. A @Property annotation satisfies both ViewItem's read-only property and the writable instance attributes on other item classes. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add test/test_protocols.py covering isinstance() checks for BaseItem, OwnedItem, TaggableItem, and ContentItem against all representative item classes (WorkbookItem, DatasourceItem, ViewItem, FlowItem, ProjectItem, MetricItem, UserItem) and plain structural objects, including negative cases and protocol-hierarchy checks. - Add _TaggableWithInitial private Protocol in resource_tagger.py to capture the _initial_tags implementation detail alongside the public TaggableItem surface; use it to fully annotate _ResourceTagger._add_tags, _delete_tag, and update_tags. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…test Add section comments to __init__.__all__ to distinguish the new structural protocols from the alphabetical concrete-model list. Move the inline `import datetime` in test_protocols.py to module level, matching the import style used throughout the test suite. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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This is great and will make other typing easier. Should they be named differently to clearly differentiate them? Something like |
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Summary
base_item.pywith fourruntime_checkableProtocol classes:BaseItem(id, name),OwnedItem(+ owner_id),TaggableItem(+ tags), andContentItem(+ created_at, updated_at), forming a composable hierarchytableauserverclient.modelswith section comments separating them from the concrete model listTaggableprotocol inresource_tagger.pywith a private_TaggableWithInitialand fully annotates all_ResourceTaggermethod signaturesBaseItemtype alias indefault_permissions_endpoint.pytoDefaultPermissionsTargetto avoid shadowing the new public Protocol_initial_tags: settoset[str]inDatasourceItemandWorkbookItemfor Protocol invariance complianceSiteOIDCConfigurationentry frommodels.__all__test/test_protocols.pySchema compliance
All five primary content types in ts-api_3_29.xsd (workbookType, dataSourceType, viewType, flowType, metricType) carry id, name, owner, tags, and createdAt/updatedAt attributes. The Protocol hierarchy matches the schema exactly. MetricItem correctly satisfies ContentItem per schema confirmation.
Test plan
python -m pytest test/test_protocols.py -v-- 41 tests, all passfrom tableauserverclient.models import BaseItem, OwnedItem, TaggableItem, ContentItemworksisinstance(TSC.WorkbookItem(...), ContentItem)returnsTrueat runtime🤖 Generated with Claude Code