support not regexp filter (#24)

lexdene · May 6, 2024 · de7723e · de7723e
1 parent abfdddd
commit de7723e
Show file tree

Hide file tree

Showing 3 changed files with 15 additions and 2 deletions.
diff --git a/pangolier/filters.py b/pangolier/filters.py
@@ -26,6 +26,11 @@ def to_str(self, pretty: bool = False) -> str:
         return '=~"%s"' % self.expression
 
 
+class NotRegexpFilter(FilterBase):
+    def to_str(self, pretty: bool = False) -> str:
+        return '!~"%s"' % self.expression
+
+
 FilterValueType = Union[str, FilterBase]
 FilterTuple = tuple[str, FilterBase]
 

diff --git a/setup.py b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='pangolier',
-    version='0.2.2',
+    version='0.2.3',
     packages=find_packages(include=['pangolier']),
     package_data={
         'pangolier': ['py.typed'],

diff --git a/tests/test_filter.py b/tests/test_filter.py
@@ -1,7 +1,7 @@
 from unittest import TestCase
 
 from pangolier.metrics import Metric
-from pangolier.filters import NotEqualFilter, RegexpFilter
+from pangolier.filters import NotEqualFilter, RegexpFilter, NotRegexpFilter
 
 
 class TestFilter(TestCase):
@@ -59,3 +59,11 @@ def test_not_equal_filter(self) -> None:
             ).to_str(),
             'http_requests_total{job!=""}'
         )
+
+    def test_not_regexp_filter(self) -> None:
+        self.assertEqual(
+            Metric('http_requests_total').filter(
+                job=NotRegexpFilter('prometheus-.*'),
+            ).to_str(),
+            'http_requests_total{job!~"prometheus-.*"}'
+        )