Allow duration for deep_sleep.enter to be templateable (#1765)

esphome/components/deep_sleep/__init__.py

@@ -108,7 +108,9 @@ def to_code(config):
 DEEP_SLEEP_ENTER_SCHEMA = automation.maybe_simple_id(
     {
         cv.GenerateID(): cv.use_id(DeepSleepComponent),
-        cv.Optional(CONF_SLEEP_DURATION): cv.positive_time_period_milliseconds,
+        cv.Optional(CONF_SLEEP_DURATION): cv.templatable(
+            cv.positive_time_period_milliseconds
+        ),
     }
 )
 

tests/test2.yaml

@@ -346,6 +346,8 @@ text_sensor:
       - homeassistant.tag_scanned: 1234-abcd
       - deep_sleep.enter:
           sleep_duration: 30min
+      - deep_sleep.enter:
+          sleep_duration: !lambda "return 30 * 60 * 1000;"
   - platform: template
     name: 'Template Text Sensor'
     lambda: |-