Django staticfiles storage and finder classes for apps to copy static files into their own directory

finders.py

# Add:
#
# STATICFILES_FINDERS = (
#     'path.to.this.module.PrefixedAppDirectoriesFinder',
#     ...
# )

from django.contrib.staticfiles.finders import AppDirectoriesFinder
from django.contrib.staticfiles.storage import AppStaticStorage

class PrefixedAppStaticStorage(AppStaticStorage):
    def __init__(self, app, *args, **kwargs):
        self.prefix = app
        super(PrefixedAppStaticStorage, self).__init__(app, *args, **kwargs)


class PrefixedAppDirectoriesFinder(AppDirectoriesFinder):
    storage_class = PrefixedAppStaticStorage