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Asked: 2026-06-06T01:43:19+00:00

I have a dictionary called fsdata at module level (like a global variable). The

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I have a dictionary called fsdata at module level (like a global variable).

The content gets read from the file system. It should load its data once on the first access. Up to now it loads the data during importing the module. This should be optimized.

If no code accesses fsdata, the content should not be read from the file system (save CPU/IO).

Loading should happen, if you check for the boolean value, too:

if mymodule.fsdata:
    ... do_something()

Update: Some code already uses mymodule.fsdata. I don’t want to change the other places. It should be variable, not a function. And “mymodule” needs to be a module, since it gets already used in a lot of code.

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1 Answer

  1. Editorial Team

    I think you should use Future/Promise like this https://gist.github.com/2935416

    Main point – you create not an object, but a ‘promise’ about object, that behave like an object.

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