Don't instantiate the local compressor storage backend all the time.

compressor/base.py

@@ -13,7 +13,7 @@ from compressor.cache import get_hexdigest, get_mtime
 from compressor.conf import settings
 from compressor.exceptions import CompressorError, UncompressableFileError
 from compressor.filters import CompilerFilter
-from compressor.storage import default_storage
+from compressor.storage import default_storage, compressor_file_storage
 from compressor.signals import post_compress
 from compressor.utils import get_class, staticfiles
 from compressor.utils.decorators import cached_property, memoize
@@ -74,8 +74,7 @@ class Compressor(object):
                 filename = self.storage.path(basename)
             except NotImplementedError:
                 # remote storages don't implement path, access the file locally
-                local_storage = get_storage_class('compressor.storage.CompressorFileStorage')()
-                filename = local_storage.path(basename)
+                filename = compressor_file_storage.path(basename)
         # secondly try finding the file in the root
         elif self.finders:
             filename = self.finders.find(basename)

compressor/storage.py

@@ -3,7 +3,7 @@ from os import path
 from datetime import datetime
 
 from django.core.files.storage import FileSystemStorage, get_storage_class
-from django.utils.functional import LazyObject
+from django.utils.functional import LazyObject, SimpleLazyObject
 
 from compressor.conf import settings
 
@@ -42,6 +42,10 @@ class CompressorFileStorage(FileSystemStorage):
         return name
 
 
+compressor_file_storage = SimpleLazyObject(
+    lambda: get_storage_class('compressor.storage.CompressorFileStorage')())
+
+
 class GzipCompressorFileStorage(CompressorFileStorage):
     """
     The standard compressor file system storage that gzips storage files