Use local coverage

.github/workflows/test.yml

@@ -37,10 +37,15 @@ jobs:
       - name: Run the tests
         if: ${{ !startsWith(matrix.python-version, 'pypy') }}
         run: hatch run cov:test || hatch run test:test --lf
-      - name: Coverage
-        run: |
-          pip install codecov coverage[toml]
-          codecov
+      - uses: jupyterlab/maintainer-tools/.github/actions/upload-coverage@v1
+
+  coverage:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - uses: actions/checkout@v3
+      - uses: jupyterlab/maintainer-tools/.github/actions/report-coverage@v1
 
   test_docs:
     runs-on: ubuntu-latest
@@ -161,7 +166,7 @@ jobs:
   tests_check: # This job does nothing and is only used for the branch protection
     if: always()
     needs:
-      - build
+      - coverage
       - test_lint
       - test_docs
       - test_minimum_versions

README.md

@@ -3,7 +3,6 @@
 A set of pytest plugins for Jupyter libraries and extensions.
 
 [![Build Status](https://github.com/jupyter-server/pytest-jupyter/actions/workflows/test.yml/badge.svg?query=branch%3Amain++)](https://github.com/jupyter-server/pytest-jupyter/actions/workflows/test.yml/badge.svg?query=branch%3Amain++)
-[![codecov](https://codecov.io/gh/jupyter-server/pytest-jupyter/branch/main/graph/badge.svg?token=2MY8C1A777)](https://codecov.io/gh/jupyter-server/pytest-jupyter)
 
 ## Basic Usage
 

pyproject.toml

@@ -142,6 +142,10 @@ exclude_lines = [
   "@(abc\\.)?abstractmethod",
 ]
 
+[tool.coverage.run]
+relative_files = true
+source = ["pytest_jupyter"]
+
 [tool.mypy]
 check_untyped_defs = true
 disallow_incomplete_defs = true