Add ESP32 BLE Beacon

esphomeyaml/config_validation.py

@@ -4,6 +4,7 @@ from __future__ import print_function
 
 import logging
 import re
+import uuid as uuid_
 
 import voluptuous as vol
 
@@ -348,6 +349,10 @@ def mac_address(value):
     return core.MACAddress(*parts_int)
 
 
+def uuid(value):
+    return vol.Coerce(uuid_.UUID)(value)
+
+
 METRIC_SUFFIXES = {
     'E': 1e18, 'P': 1e15, 'T': 1e12, 'G': 1e9, 'M': 1e6, 'k': 1e3, 'da': 10, 'd': 1e-1,
     'c': 1e-2, 'm': 0.001, u'µ': 1e-6, 'u': 1e-6, 'n': 1e-9, 'p': 1e-12, 'f': 1e-15, 'a': 1e-18,