adds local storage

storages/__init__.py

@@ -1,3 +1,4 @@
 # we need to explicitly expose the available imports here
 from .base_storage import *
+from .local_storage import *
 from .s3_storage import *

storages/local_storage.py

@@ -0,0 +1,20 @@
+import os
+from .base_storage import Storage
+
+
+class LocalStorage(Storage):
+    def __init__(self, folder):
+        self.folder = folder
+        if len(self.folder) and self.folder[-1] != '/':
+            self.folder += '/'
+
+    def get_cdn_url(self, key):
+        return self.folder + key
+
+    def exists(self, key):
+        return os.path.isfile(self.get_cdn_url(key))
+
+    def uploadf(self, file, key, **kwargs):
+        path = self.get_cdn_url(key)
+        with open(path, "wb") as outf:
+            outf.write(file.read())