allow partial days in retention settings

frigate/config.py

@@ -66,8 +66,8 @@ class MqttConfig(FrigateBaseModel):
 
 
 class RetainConfig(FrigateBaseModel):
-    default: int = Field(default=10, title="Default retention period.")
-    objects: Dict[str, int] = Field(
+    default: float = Field(default=10, title="Default retention period.")
+    objects: Dict[str, float] = Field(
         default_factory=dict, title="Object retention period."
     )
 
@@ -90,7 +90,7 @@ class EventsConfig(FrigateBaseModel):
 
 class RecordConfig(FrigateBaseModel):
     enabled: bool = Field(default=False, title="Enable record on all cameras.")
-    retain_days: int = Field(default=0, title="Recording retention period in days.")
+    retain_days: float = Field(default=0, title="Recording retention period in days.")
     events: EventsConfig = Field(
         default_factory=EventsConfig, title="Event specific settings."
     )

frigate/test/test_config.py

@@ -1107,6 +1107,30 @@ class TestConfig(unittest.TestCase):
         assert runtime_config.cameras["back"].timestamp_style.position == "bl"
         assert runtime_config.cameras["back"].timestamp_style.thickness == 4
 
+    def test_allow_retain_to_be_a_decimal(self):
+
+        config = {
+            "mqtt": {"host": "mqtt"},
+            "snapshots": {"retain": {"default": 1.5}},
+            "cameras": {
+                "back": {
+                    "ffmpeg": {
+                        "inputs": [
+                            {
+                                "path": "rtsp://10.0.0.1:554/video",
+                                "roles": ["detect"],
+                            },
+                        ]
+                    },
+                }
+            },
+        }
+        frigate_config = FrigateConfig(**config)
+        assert config == frigate_config.dict(exclude_unset=True)
+
+        runtime_config = frigate_config.runtime_config
+        assert runtime_config.cameras["back"].snapshots.retain.default == 1.5
+
 
 if __name__ == "__main__":
     unittest.main(verbosity=2)