server/app/interfaces/repository.py: Implement missing `/submodels` endpoints

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#528 opened on May 10, 2026 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 55/100

Issue type: Feature
Clarity: Mostly clear
Activity status: Active
Tech stack: python
Domain: api, backend

Research direction

Start in server/app/interfaces/repository.py at the three routes currently using self.not_implemented, then read the linked Submodel Repository Service OpenAPI operations and issue #439. Done means GET /submodels/$value and GET /submodels/$path return the specified representations, while PATCH /submodels/{submodelIdentifier} updates an existing submodel and returns the specified success response.

Written by the indexing model from the issue text.

Description

feature high priority server

Current Situation

Currently, several server endpoints under /submodels are not implemented:

"/$value", methods=["GET"], endpoint=self.not_implemented
"/$path", methods=["GET"], endpoint=self.not_implemented
"/<base64url:submodel_id>", methods=["PATCH"], endpoint=self.not_implemented

According to the Submodel Repository Service OpenAPI Specification, the GET /submodels/$value endpoint should return all Submodels in value only representation.

[...]
responses:
        '200':
          description: Requested Submodels
          content:
            application/json:
              schema:
                $ref: 'https://api.swaggerhub.com/domains/Plattform_i40/Part2-API-Schemas/V3.0.1#/components/schemas/GetSubmodelsValueResult'
[...]

The GET /submodels/$path endpoint should return all Submodels in their path notation.

[...]
responses:
        '200':
          description: Requested Submodels
          content:
            application/json:
              schema:
                $ref: 'https://api.swaggerhub.com/domains/Plattform_i40/Part2-API-Schemas/V3.0.1#/components/schemas/GetPathItemsResult'
[...]

The PATCH /submodels/{submodelIdentifier} endpoint should support the updating of existing submodels.

[...]
responses:
        '204':
          description: Submodel updated successfully
[...]

This issue specifies https://github.com/eclipse-basyx/basyx-python-sdk/issues/439.

Proposed Change

We should evaluate and, if feasible, implement the three missing GET /submodels/$value, GET /submodels/$path and PATCH /submodels/{submodelIdentifier} endpoints according to the specification.

Dominant language: Python
Stars: 102
Forks: 52
Avg merge: 20d 17h
Merged PRs (30d): 1

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