[Python] TypeSpec migration for azure-mgmt-msi

[msyyc]

TypeSpec Migration: azure-mgmt-msi

Source

• TypeSpec folder: specification/msi/resource-manager/Microsoft.ManagedIdentity/ManagedIdentity
• Pre-migration swagger: specification/msi/resource-manager@0e38f0a3
• Swagger API version: 2024-11-30 (default tag: package-2024-11-30)
• Generated with apiVersion: 2024-11-30 (matched from swagger default tag)
• Spec mitigation PR: [Python] Mitigate breaking changes for azure-mgmt-msi azure-rest-api-specs#43479

Breaking change analysis

#	Breaking change	Classification	Action
1	Deleted or renamed client ManagedServiceIdentityClient	MITIGATE (#4 Client Naming)	Added python scope to @@clientName(Microsoft.ManagedIdentity, "ManagedServiceIdentityClient", ...) in client.tsp
2	Model Identity lost tenant_id / principal_id / client_id / isolation_scope; added properties: UserAssignedIdentityProperties	ACCEPT (#11 Removal of multi-level flattened properties)	None — TypeSpec preserves the real REST hierarchy; users access via identity.properties.tenant_id etc.
3	Model IdentityUpdate lost tenant_id / principal_id / client_id / isolation_scope; added properties	ACCEPT (#11)	None — same hierarchy fix as Identity
4	Method FederatedIdentityCredentialsOperations.list changed skiptoken from positional_or_keyword to keyword_only	ACCEPT (#9 Parameters Changed to Keyword-only)	None — users must pass skiptoken=... as a keyword argument

Mitigations applied

• client.tsp: extended @@clientName(Microsoft.ManagedIdentity, "ManagedServiceIdentityClient", ...) scope from "javascript, java" to "javascript, java, python" so the Python client class keeps its original name.

Accepted breaking changes (will remain in this release)

These are intentional consequences of the TypeSpec migration and follow the standard guidance in sdk-breaking-changes-guide.md:

• Identity.tenant_id / principal_id / client_id / isolation_scope → now under Identity.properties (UserAssignedIdentityProperties).
• IdentityUpdate.tenant_id / principal_id / client_id / isolation_scope → now under IdentityUpdate.properties.
• FederatedIdentityCredentialsOperations.list(..., skiptoken=...) — skiptoken is now keyword-only.