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perform checks based on NavigationProperty multiplicity

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
58/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Stale
Tech stack
python
Domain
api

Research direction

Start in pyodata/v2/service.py around line 489 and trace the set method for newly created entities. Check how the navigation property's multiplicity is available, then ensure values assigned through set match that multiplicity. Done means an entity-valued navigation property rejects a list while valid assignments continue to work.

Written by the indexing model from the issue text.

Description

enhancement

When creating a new entity, it is possible to call the method set with an invalid value for a navigation property because the method set does not verify multiplicity of the corresponding navigation property relation ship. To put it simple, it is possible to assign a list to a navigation property which is supposed to be an entity.

More explicitly, we need to add a check for multiplicity before the following line:
https://github.com/SAP/python-pyodata/blob/master/pyodata/v2/service.py#L489

Dominant language
Python
Stars
268
Forks
100
No merged PRs in 30d

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