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The problem with the current DE implementation (QVariants) is that data is kept in memory even if the user didn't request it. (for example, some engine could keep a pixmap ready for a data item, although the applet only wants the title.

Proposed Solution

Restructure DEs not to use QVariants while retaining the same scripting api. Add the lazy evaluation of items - by using proxy classes, functions instead of /real/ values.

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