From 7ca5673ddc66790939f01ebb166c0d140666984b Mon Sep 17 00:00:00 2001
From: "Matthew D. Scholefield" <matthew331199@gmail.com>
Date: Wed, 15 May 2019 02:32:53 -0500
Subject: [PATCH] Add len method to ReadWriteStream

---
 runner/precise_runner/runner.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/runner/precise_runner/runner.py b/runner/precise_runner/runner.py
index 8336096..deaeb1b 100644
--- a/runner/precise_runner/runner.py
+++ b/runner/precise_runner/runner.py
@@ -83,6 +83,9 @@ class ReadWriteStream(object):
         self.write_event = Event()
         self.chop_samples = chop_samples
 
+    def __len__(self):
+        return len(self.buffer)
+
     def read(self, n=-1, timeout=None):
         if n == -1:
             n = len(self.buffer)