Generate a cache key from a parsed weblog page request.
This generates a key of the form ...
/[/anchor][/language][/user]
or
/[/weblogPage][/date][/category][/tags][/language][/user]
examples ...
foo/en
foo/entry_anchor
foo/20051110/en
foo/MyCategory/en/user=myname
Generate a cache key from a parsed weblog feed request.
This generates a key of the form ...
///[/category][/language][/excerpts]
examples ...
foo/entries/rss/en
foo/comments/rss/MyCategory/en
foo/entries/atom/en/excerpts