[BUILD-960] fix: Tag-to-slug conversion with number later in tag part

.pre-commit-config.yaml

@@ -23,7 +23,7 @@ repos:
           - id: flake8
 
     - repo: https://github.com/hadialqattan/pycln
-      rev: v2.2.1
+      rev: v2.5.0
       hooks:
           - id: pycln
 

ankihub/main/utils.py

@@ -683,13 +683,15 @@ def mh_tag_to_resource_title_and_slug(tag: str) -> Optional[Tuple[str, str]]:
             path_parts = path_parts[:-1]
 
         path_parts = [part.lower() for part in path_parts]
-        content_numbers = [str(int(re.sub(r"\D", "", part))) for part in path_parts]
-        cleaned_path_parts = [re.sub(r"\d+_", "", part) for part in path_parts]
+        content_numbers = [
+            str(int(re.match(r"\d+", part).group(0))) for part in path_parts
+        ]
         slug = f"step{step}-{resource_slug_str}-{'-'.join(content_numbers)}"
 
-        title = cleaned_path_parts[-1].replace("_", " ")
+        title = re.sub(r"\d+_", "", path_parts[-1])
+        title = title.replace("_", " ")
         title = " ".join([word.capitalize() for word in title.split()])
-    except (KeyError, AttributeError, IndexError):
+    except (KeyError, AttributeError, IndexError, ValueError):
         # We want to ignore any tags that don't match the expected format
         return None
 

tests/addon/test_unit.py

@@ -3091,8 +3091,20 @@ def test_send_daily_review_summaries_without_data(mocker):
             "Beta-blockers",
             "step1-fa-5-2-15",
         ),
+        # With number later in tag part
+        (
+            "#AK_Step1_v12::#FirstAid::01_Biochem::03_Laboratory_Techniques::02_CRISPR/Cas9",
+            "Crispr/cas9",
+            "step1-fa-1-3-2",
+        ),
         # With invalid tag
         ("invalid_tag", None, None),
+        # With invalid tag (core tag part doesn't start with number)
+        (
+            "#AK_Step1_v12::#FirstAid::Biochem::03_Laboratory_Techniques::CRISPR/Cas9",
+            None,
+            None,
+        ),
     ],
 )
 def test_mh_tag_to_resource_title_and_slug(