Major fixes and new features

venv/lib/python3.12/site-packages/kafka/metrics/kafka_metric.py

@@ -0,0 +1,36 @@
+from __future__ import absolute_import
+
+import time
+
+
+class KafkaMetric(object):
+    # NOTE java constructor takes a lock instance
+    def __init__(self, metric_name, measurable, config):
+        if not metric_name:
+            raise ValueError('metric_name must be non-empty')
+        if not measurable:
+            raise ValueError('measurable must be non-empty')
+        self._metric_name = metric_name
+        self._measurable = measurable
+        self._config = config
+
+    @property
+    def metric_name(self):
+        return self._metric_name
+
+    @property
+    def measurable(self):
+        return self._measurable
+
+    @property
+    def config(self):
+        return self._config
+
+    @config.setter
+    def config(self, config):
+        self._config = config
+
+    def value(self, time_ms=None):
+        if time_ms is None:
+            time_ms = time.time() * 1000
+        return self.measurable.measure(self.config, time_ms)