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tickets: 9631

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id created changetime last_pulled_from_trac stage status component type severity version resolution summary description owner reporter keywords easy has_patch needs_better_patch needs_tests needs_docs ui_ux
9631 2008-11-19 06:20:05 2019-01-09 22:07:55 2022-03-06 03:45:20.169599 Design decision needed new File uploads/storage Cleanup/optimization Normal 1.11   FieldFile assumes efficient Storage.size FieldFile's _get_size, like many of its methods, passes the operation on to its Storage object. However, in this case, assuming that a storage mechanism can easily discover the size of a file by name is rather rash. If the file is compressed, for instance, it may be necessary to decompress the entire file to determine the size. Remote storage could suffer from similar issues. Fortunately, FieldFile has a File object provided by the storage. The Storage derivative is responsible for returning a valid File object, which means it must be able to correctly report its size. By asking the File object for its size directly, we provide opportunities for caching so that a size request followed by a read operation need not trigger two independent retrievals of the data. nobody psagers file upload compression 0 1 1 0 0 0
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