fix: handle exceptions on prometheus operations

.github/workflows/test.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7.15", "3.8.12", "3.9.12"]
+        python-version: ["3.9", "3.10"]
     steps:
       - uses: actions/checkout@v3
       # memcached

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ---
 
+## [1.2.2] - 2025-01-14
+
+changed:
+
+- handle exceptions on prometheus operations
+
 ## [1.2.1] - 2024-04-29
 
 ### Added:

cachext/__init__.py

@@ -1 +1 @@
-__version__ = '1.2.1'
+__version__ = '1.2.2'

cachext/cache.py

@@ -67,8 +67,10 @@ def wrapper(*args, **kwargs):
                 self.monitor_label_builder(f, *args, **kwargs)
             )
             if self.request_counter:
-                # Increment request counter.
-                self.request_counter.labels(*labels).inc()
+                try:
+                    self.request_counter.labels(*labels).inc()
+                except Exception as e:
+                    print("request_counter.labels(*labels).inc() error: ", e)
             if rv is None:
                 rv = f(*args, **kwargs)
                 if self.cache_none and rv is None:
@@ -78,8 +80,10 @@ def wrapper(*args, **kwargs):
                 if callable(self.fallbacked):
                     self.fallbacked(wrapper, rv, *args, **kwargs)
             elif self.hit_counter:
-                # Increment hit counter.
-                self.hit_counter.labels(*labels).inc()
+                try:
+                    self.hit_counter.labels(*labels).inc()
+                except Exception as e:
+                    print("hit_counter.labels(*labels).inc() error: ", e)
             if self.cache_none and rv is CacheNone:
                 return None
             return rv