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Guewen Baconnier
5d2fdeafb1
Assume the following situation: * We have installed addons base, sale and attachment_s3 (hence base_attachment_object_storage as dependency) * All attachments are in S3 already * We run an upgrade of the 'base' addon, 'sale' is upgraded before attachment_s3 in the order of loading. * Sale updates the icon of the Sale menu * As attachment_s3 is not loaded yet, the attachment is created in the filestore Now if we don't persist the filestore or use different servers, we'll lose the images of the menus (or any attachment loaded by the install/upgrade of an addon). The implemented solution is to move the attachments from the filestore to the object storage at the loading of the module. However, this operation can take time and it shouldn't be run by 2 processes at the same time, so we want to detect if the module is loaded during a normal odoo startup or when some addons have been upgraded. There is nothing anymore at this point which allow us to know that modules just have been upgraded except... in the caller frame (load_modules). We have to rely on the inpect module and get the caller frame, which is not recommended, but seems the only way, besides, it's not called often and if _register_hook was called from another place, it would have no effect (unless the other place has a variable 'update_module' too).
Base class for attachments on external object store =================================================== This is a base addon that regroup common code used by addons targeting specific object store