[Tilecache] Recreating old cached tiles

[Master JMo]

Hey guys,

I'm setting up a system that uses TileCache 2.03 and I want to have things
set up so that if a user requests a tile and the tile was rendered more than
a month ago, it gets recreated. Is it possible to set TileCache so that
tiles are recreated if they are older than some defined length of time? If
there is no such functionality in TileCache at the moment, how else should I
go about working around this problem?

Thanks in advance,

Jarrod
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