linting and test

engine/common/jinja_templater/filters.py

@@ -24,6 +24,7 @@ def to_pretty_json(value):
     except (ValueError, AttributeError, TypeError):
         return None
 
+
 def regex_replace(value, find, replace):
     try:
         return re.sub(find, replace, value)

engine/common/jinja_templater/jinja_template_env.py

@@ -2,7 +2,7 @@ from django.utils import timezone
 from jinja2 import BaseLoader
 from jinja2.sandbox import SandboxedEnvironment
 
-from .filters import datetimeformat, iso8601_to_time, to_pretty_json, regex_replace
+from .filters import datetimeformat, iso8601_to_time, regex_replace, to_pretty_json
 
 jinja_template_env = SandboxedEnvironment(loader=BaseLoader())
 

engine/common/tests/test_regex_replace.py

@@ -0,0 +1,7 @@
+from common.jinja_templater.filters import regex_replace
+
+
+def test_regex_replace_drop_field():
+    original = "[ var='D0' metric='my_metric' labels={} value=140 ]"
+    expected = "[ metric='my_metric' labels={} value=140 ]"
+    assert regex_replace(original, "var=\'[a-zA-Z0-9]+\'", "") == expected