I'm playing around with 1.7b4 and I was trying to track down why my app was
not auto-reloading when files were changed using the dev server.
Turns out, it was an improperly configured LOCALE_PATHS setting.
My LOCALE_PATHS was configured like this:
LOCALE_PATHS = (
'/path/to/locale'
)
At first glance, it looks okay. But it's actually a string and not a tuple
since it does not have a comma.
This causes a problem in the autoloader, here:
https://github.com/django/django/blob/608e6eb2959c6e56e5c702ca0d15fa0e6c2eef16/django/utils/autoreload.py#L98
This would be fine, but since LOCALE_PATHS is a string, calling
basedirs.extend(LOCALE_PATHS) actually causes every character in the string
to get appended to basedirs. Then it walks through the tree and tries to
find .mo files. And since there are 3 slashes in the string, the autoloader
attempts to search the root drive 3 times.
Bottom line is that having LOCALE_PATHS set to a string with slashes causes
autoreloading to essentially take *forever*.
Maybe adding a warning/validation to ensure LOCALE_PATHS is a list/tuple
would be a good idea?
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