Yade

Way to flag attribute as (non)serializable, read-only from python etc

Registered by Václav Šmilauer

YADE_CLASS_BASE_DOC_ATTRS(...) makes all attributes both serializable and read-write from python. There are ways around this -- |yreadonly| in docstring to make python attribute readon-only, separate .def_readwrite(...) to make it accessible from python but not serialized. It would be possible to add a 5th field to attribute definition (empty by default) containing OR'd flags (ATTR_NOSAVE|ATTR_READONLY for instance). Then docstring would not have to be searched for |yreadonly| and .def_readwrite hacks would disappear. Additional flags are envisageable, such as ATTR_FIXEDSIZE for sequences that should not change in length, for instance.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
Václav Šmilauer
Definition:
New
Series goal:
None
Implementation:
Implemented
Milestone target:
None
Started by
Václav Šmilauer
Completed by
Václav Šmilauer

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(another flag could be used to make python access the attribute with accessors that would trigger postProcessAttributes after modification; the function would have to be a template, otherwise it would not be possible to do it via preprocessor exclusively since cpp cannot read flag value)

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