From dff9a56950210fd0610988c377d5fb349923c566 Mon Sep 17 00:00:00 2001
From: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>
Date: Wed, 9 Jun 2021 15:40:35 -0700
Subject: [PATCH] Add len function to notification expressions

---
 data/interfaces/default/settings.html | 1 +
 plexpy/helpers.py                     | 7 +++++++
 plexpy/notification_handler.py        | 1 +
 3 files changed, 9 insertions(+)

diff --git a/data/interfaces/default/settings.html b/data/interfaces/default/settings.html
index 618acc6a..b3f056f3 100644
--- a/data/interfaces/default/settings.html
+++ b/data/interfaces/default/settings.html
@@ -1929,6 +1929,7 @@ Rating: {rating}/10   --> Rating: /10
                             <li><span class="inline-pre">divmod(a, b)</span></li>
                             <li><span class="inline-pre">float(x)</span></li>
                             <li><span class="inline-pre">int(x)</span></li>
+                            <li><span class="inline-pre">len(s)</span></li>
                             <li><span class="inline-pre">round(n[, ndigits])</span></li>
                             <li><span class="inline-pre">str(x)</span></li>
                         </ul>
diff --git a/plexpy/helpers.py b/plexpy/helpers.py
index 5faf63c6..ba4e5edb 100644
--- a/plexpy/helpers.py
+++ b/plexpy/helpers.py
@@ -537,6 +537,13 @@ def helper_divmod(a, b):
         return 0
 
 
+def helper_len(s):
+    try:
+        return len(s)
+    except (ValueError, TypeError):
+        return 0
+
+
 def helper_round(n, ndigits=None):
     try:
         return round(n, ndigits)
diff --git a/plexpy/notification_handler.py b/plexpy/notification_handler.py
index dace43b4..05e541ba 100644
--- a/plexpy/notification_handler.py
+++ b/plexpy/notification_handler.py
@@ -1825,6 +1825,7 @@ def str_eval(field_name, kwargs):
         'divmod': helpers.helper_divmod,
         'float': helpers.cast_to_float,
         'int': helpers.cast_to_int,
+        'len': helpers.helper_len,
         'round': helpers.helper_round,
         'str': str
     }