3 files changed, 22 insertions, 5 deletions
diff --git a/include/py/homekit/camera/config.py b/include/py/homekit/camera/config.py
index 9685cab..bcd5d07 100644
--- a/include/py/homekit/camera/config.py
+++ b/include/py/homekit/camera/config.py
@@ -44,7 +44,7 @@ class IpcamConfig(ConfigUnit):
                     }
                 }
             },
-            'areas': {
+            'zones': {
                 'type': 'dict',
                 'keysrules': {'type': 'string'},
                 'valuesrules': {
@@ -114,11 +114,14 @@ class IpcamConfig(ConfigUnit):
     # FIXME
     def get_all_cam_names(self,
                           filter_by_server: Optional[str] = None,
-                          filter_by_disk: Optional[int] = None) -> list[int]:
+                          filter_by_disk: Optional[int] = None,
+                          only_enabled=True) -> list[int]:
         cams = []
         if filter_by_server is not None and filter_by_server not in _lbc:
             raise ValueError(f'invalid filter_by_server: {filter_by_server} not found in {_lbc.__class__.__name__}')
         for cam, params in self['cameras'].items():
+            if only_enabled and not self.is_camera_enabled(cam):
+                continue
             if filter_by_server is None or params['server'] == filter_by_server:
                 if filter_by_disk is None or params['disk'] == filter_by_disk:
                     cams.append(int(cam))
diff --git a/include/py/homekit/config/config.py b/include/py/homekit/config/config.py
index 40ac211..3aa0e04 100644
--- a/include/py/homekit/config/config.py
+++ b/include/py/homekit/config/config.py
@@ -266,14 +266,26 @@ class TranslationUnit(BaseConfigUnit):
     pass
 
 
+TranslationInstances = {}
+
+
 class Translation:
     LANGUAGES = ('en', 'ru')
     DEFAULT_LANGUAGE = 'ru'
 
     _langs: dict[str, TranslationUnit]
 
+    # def __init_subclass__(cls, **kwargs):
+    #     super().__init_subclass__(**kwargs)
+    #     cls._instance = None
+
+    def __new__(cls, *args, **kwargs):
+        unit = args[0]
+        if unit not in TranslationInstances:
+            TranslationInstances[unit] = super(Translation, cls).__new__(cls)
+        return TranslationInstances[unit]
+
     def __init__(self, name: str):
-        super().__init__()
         self._langs = {}
         for lang in self.LANGUAGES:
             for dirname in CONFIG_DIRECTORIES:
@@ -289,7 +301,7 @@ class Translation:
         if len(diff) > 0:
             raise RuntimeError(f'{name}: translation units have difference in keys: ' + ', '.join(diff))
 
-    def get(self, lang: str) -> TranslationUnit:
+    def get(self, lang: str = DEFAULT_LANGUAGE) -> TranslationUnit:
         return self._langs[lang]
 
 
diff --git a/include/py/homekit/util.py b/include/py/homekit/util.py
index 7732d3b..c686f29 100644
--- a/include/py/homekit/util.py
+++ b/include/py/homekit/util.py
@@ -12,7 +12,7 @@ import re
 import os
 import ipaddress
 
-from collections import namedtuple
+from collections.abc import KeysView
 from enum import Enum
 from datetime import datetime
 from typing import Optional, List
@@ -119,6 +119,8 @@ def json_serial(obj):
         return obj.timestamp()
     if isinstance(obj, Enum):
         return obj.value
+    if isinstance(obj, KeysView):
+        return list(obj)
     raise TypeError("Type %s not serializable" % type(obj))