Custom storage for Django Pipeline with cached-files + S3 storage via boto

gistfile1.txt

from boto.utils import parse_ts
from django.contrib.staticfiles.storage import CachedFilesMixin
from pipeline.storage import PipelineMixin
from storages.backends.s3boto import S3BotoStorage


class S3PipelineStorage(PipelineMixin, CachedFilesMixin, S3BotoStorage):

    # Fix for django-storages can't parse datetime error
    # https://github.com/ulyssesv/django-cached-s3-storage/blob/master/cached_s3_storage.py
    def modified_time(self, name):
        name = self._normalize_name(self._clean_name(name))
        entry = self.entries.get(name)
        if entry is None:
            entry = self.bucket.get_key(self._encode_name(name))
        # Parse the last_modified string to a local datetime object.
        return parse_ts(entry.last_modified)