Enable codecov flags and coverage carryover for keras_core and keras_core.applications (#841)

.gitignore

@@ -18,4 +18,4 @@ dist/**
 examples/**/*.jpg
 .python-version
 .coverage
-coverage.xml
+*coverage.xml

codecov.yml

@@ -9,4 +9,27 @@ coverage:
       default:
         target:auto
 
+comment:
+  layout: "header, reach, diff, flags, files"
+  behavior: default
+  require_changes: no
+  require_base: no
+  require_head: yes
+  show_carryforward_flags: yes
 
+flag_management:
+  default_rules:
+    carryforward: false
+    statuses:
+      - type: project
+        target: auto
+      - type: patch
+        target: auto
+  individual_flags:
+    - name: keras_core
+      paths:
+        - keras_core
+    - name: keras_core.applications
+      paths:
+        - keras_core/applications
+      carryforward: true

setup.cfg

@@ -20,10 +20,16 @@ exclude_lines =
     pragma: no cover
     @abstract
     raise NotImplementedError
-omit = *_test.py
+omit =
+    */*_test.py
+
+[coverage:run]
+omit =
+    */*_test.py
+
+branch = True
 
 [flake8]
-
 ignore =
     # Conflicts with black
     E203