From edbcb4152bd093ce2d77d44babb0e61de5362c5d Mon Sep 17 00:00:00 2001
From: Matthew Hodgson <matthew@matrix.org>
Date: Tue, 13 Sep 2016 00:02:39 +0100
Subject: [PATCH] make device IDs more useful for human disambiguation

---
 synapse/handlers/device.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 8d630c6b1a..aa68755936 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -58,7 +58,7 @@ class DeviceHandler(BaseHandler):
         attempts = 0
         while attempts < 5:
             try:
-                device_id = stringutils.random_string_with_symbols(16)
+                device_id = stringutils.random_string(10).upper()
                 yield self.store.store_device(
                     user_id=user_id,
                     device_id=device_id,