http://bugs.openzim.org/show_bug.cgi?id=16
Summary: Version & Subversion ZIM format handling
Product: openZIM
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P1
Component: zimlib
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Estimated Hours: 0.0
Currently, the zimlib is only able to deal with a specific version of the ZIM
file format and otherwise generates an error.
We want:
* to be able to improve as often as possible the format.
* to have a zimlib able to deal with a maximum of ZIM files (potentially with
different ZIM format versions).
... consequently, the current implementation may be improved.
We discussed about that during our last meeting and if I correctly remember the
best proposition was IMO:
* Introduce the concept of ZIM format subversion.
* Zimlib can deal with all subversions of a specific ZIM format version.
* If we want to add a feature which does not need to break the format, we
increment the subversion counter and if necessary add subversion conditional
code.
* If we want to add a feature which need to break the backward compatibility,
we need to increment the version counter.
With such a system, the goal is to make as much as possible subversions and no
new version (but this is another topic).
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