update zenlib dep, make base metric get .value from _value() if it

exists.

Signed-off-by: Zen <[email protected]>

Author: desultory

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "prometheus_exporter"
-version = "0.7.2"
+version = "0.8.0"
 authors = [
   { name="Desultory", email="[email protected]" },
 ]
@@ -17,7 +17,7 @@ classifiers = [
     "Operating System :: OS Independent",
 ]
 dependencies = [
-    "zenlib >= 1.1.1"
+    "zenlib >= 1.6.1"
 ]
 
 [project.scripts]

src/prometheus_exporter/metric.py

@@ -46,6 +46,12 @@ def __setattr__(self, name, value):
                 raise TypeError('Value must be an integer or float')
         super().__setattr__(name, value)
 
+    def __getattribute__(self, name):
+        """ Return the result of value() if the method exists, otherwise return the attribute """
+        if name == 'value' and hasattr(self, '_value'):
+            return self._value()
+        return super().__getattribute__(name)
+
     def __str__(self):
         """ Get a string representation of the metric for Prometheus """
         # Start by adding the help text if it exists