Added Django Middleware that Delays Traversal of Static Root until Requested #275
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Question: Would this make sense as the default when the configured storage is a subclass of |
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@evansd thoughts on merging? it has been working well for me |
Archmonger
suggested changes
Nov 20, 2021
| @@ -168,3 +189,20 @@ def get_static_url(self, name): | |||
| return decode_if_byte_string(staticfiles_storage.url(name)) | |||
| except ValueError: | |||
| return None | |||
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| class LazyWhiteNoiseMiddleware(WhiteNoiseMiddleware): | |||
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I would personally recommend implementing this feature directly into the original middleware class, and then have it toggleable by a settings.py:WHITENOISE_LAZY value.
I'd also like to point out I agree with your idea on defaulting this to on with ManifestStaticFilesStorage.
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Added an additional middleware for Django users that avoids the problems described #263 by constructing the file cache for the static root as files are requested.
WHITENOISE_ROOTis not delayed as it is documented asdon’t use this for the bulk of your static files. Files from finders are also not delayed as this is documented mainly for development and I've assumed its use in production would be fast orcollectstaticwould be used during the build phase.If the configured static storage is a subclass of
ManifestStaticFilesStoragethe middleware makes use ofstaticfiles_storage.hashed_filesto know which files are supposed to exist (avoids accessing the disk to retrieve unknown files) and uses theWHITENOISE_KEEP_ONLY_HASHED_FILESsetting to determine if it should serve unhashed files.