added user upload limits

mediagoblin/storage/__init__.py

@@ -191,6 +191,13 @@ class StorageInterface(object):
                 # Copy to storage system in 4M chunks
                 shutil.copyfileobj(source_file, dest_file, length=4*1048576)
 
+    def get_file_size(self, filepath):
+        """
+        Return the size of the file in bytes.
+        """
+        # Subclasses should override this method.
+        self.__raise_not_implemented()
+
 
 ###########
 # Utilities

mediagoblin/storage/cloudfiles.py

@@ -168,6 +168,12 @@ class CloudFilesStorage(StorageInterface):
                 # Copy to storage system in 4096 byte chunks
                 dest_file.send(source_file)
 
+    def get_file_size(self, filepath):
+        """Returns the file size in bytes"""
+        obj = self.container.get_object(
+                self._resolve_filepath(filepath))
+        return obj.total_bytes
+
 class CloudFilesStorageObjectWrapper():
     """
     Wrapper for python-cloudfiles's cloudfiles.storage_object.Object

mediagoblin/storage/filestorage.py

@@ -111,3 +111,6 @@ class BasicFileStorage(StorageInterface):
                 os.makedirs(directory)
         # This uses chunked copying of 16kb buffers (Py2.7):
         shutil.copy(filename, self.get_local_path(filepath))
+
+    def get_file_size(self, filepath):
+        return os.stat(self._resolve_filepath(filepath)).st_size