From c18bedeb811634248da313089ad674b82af92352 Mon Sep 17 00:00:00 2001
From: Seth Ladygo <alx-git@arclight.industries>
Date: Sat, 19 Oct 2019 22:09:10 -0700
Subject: [PATCH] markup utils: add clean_path()

---
 markup/utils.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/markup/utils.py b/markup/utils.py
index 056a6f0..be8c883 100644
--- a/markup/utils.py
+++ b/markup/utils.py
@@ -1,4 +1,5 @@
 import os
+import re
 import shutil
 
 from django.conf import settings
@@ -84,3 +85,10 @@ def ensure_dir(dir):
 def set_file_perms(file):
     os.chmod(file, 0o664)
     shutil.chown(file, group='procat')
+
+
+def clean_path(path):
+    """Replace filesystem-hostile characters"""
+    path = re.sub(r'[<>]', '', path)
+    path = re.sub(r'[^\w@]', '_', path)
+    return path