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Fix for #36387, User Preferences "Addons" panel bogs down the whole interface.

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The addons panel draw function calls addon_utils.modules() which in turn retrieves a list of fake modules from the script paths every time. This can become costly when network paths are included for
addons. Solution is to put the scanning process into a dedicated "refresh" function and disable it in frequently called draw and filter functions, i.e. in these cases the cached addons_fake_modules list
will be used instead.

Note that this may lead to invalid addon lists if script paths are changed (which is not working 100% without restart anyway according to Campbell). For this there is now a "Refresh" operator button in
the addons preferences. If necessary and feasible such forced refreshes can be added later too.
This commit is contained in:
Lukas Toenne
2013-08-28 06:36:54 +00:00
parent f75711db7f
commit 771906bc09
5 changed files with 31 additions and 10 deletions
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2
release/scripts/modules/bl_i18n_utils/utils.py
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@@ -172,7 +172,7 @@ def enable_addons(addons={}, support={}, disable=False, check_only=False):
userpref = bpy.context.user_preferences
used_ext = {ext.module for ext in userpref.addons}
ret = [mod for mod in addon_utils.modules(addon_utils.addons_fake_modules)
ret = [mod for mod in addon_utils.modules()
if ((addons and mod.__name__ in addons) or
(not addons and addon_utils.module_bl_info(mod)["support"] in support))]