Replace codecov with coverage (7)'s native markdown support.

.github/workflows/ci.yml

@@ -98,6 +98,8 @@ jobs:
             toxenv: py311-formatnongpl-build
           - name: "3.11"
             toxenv: py311-formatnongpl-tests
+          - name: "3.11"
+            toxenv: py311-format-ghcoverage
           - name: "3.11"
             toxenv: docs-dirhtml
           - name: "3.11"

tox.ini

@@ -11,14 +11,14 @@ skipsdist = True
 
 [testenv]
 changedir = {envtmpdir}
-passenv = CODECOV* CI PYTHONUTF8
+passenv = CI GITHUB_STEP_SUMMARY PYTHONUTF8
 setenv =
     JSON_SCHEMA_TEST_SUITE = {toxinidir}/json
 
-    coverage,codecov: MAYBE_COVERAGE = coverage run -m
-    coverage,codecov: COVERAGE_RCFILE={toxinidir}/.coveragerc
-    coverage,codecov: COVERAGE_DEBUG_FILE={envtmpdir}/coverage-debug
-    coverage,codecov: COVERAGE_FILE={envtmpdir}/coverage-data
+    coverage,ghcoverage: MAYBE_COVERAGE = coverage run -m
+    coverage,ghcoverage: COVERAGE_RCFILE={toxinidir}/.coveragerc
+    coverage,ghcoverage: COVERAGE_DEBUG_FILE={envtmpdir}/coverage-debug
+    coverage,ghcoverage: COVERAGE_FILE={envtmpdir}/coverage-data
 whitelist_externals =
     mkdir
 commands =
@@ -31,13 +31,12 @@ commands =
 
     build: {envpython} -m build {toxinidir} --outdir {envtmpdir}/dist
 
-    tests,coverage,codecov: {envpython} -Werror -m {env:MAYBE_COVERAGE:} twisted.trial {posargs:jsonschema}
+    tests,coverage,ghcoverage: {envpython} -Werror -m {env:MAYBE_COVERAGE:} twisted.trial {posargs:jsonschema}
     tests: {envpython} -m doctest {toxinidir}/README.rst
 
     coverage: {envpython} -m coverage report --show-missing
     coverage: {envpython} -m coverage html --directory={envtmpdir}/htmlcov
-    codecov: {envpython} -m coverage xml -o {envtmpdir}/coverage.xml
-    codecov: codecov --required --disable gcov --file {envtmpdir}/coverage.xml
+    ghcoverage: {envpython} -m coverage report --format=markdown --show-missing >> "$GITHUB_STEP_SUMMARY"
 
     perf: {envpython} {toxinidir}/jsonschema/benchmarks/issue232.py --inherit-environ JSON_SCHEMA_TEST_SUITE {posargs:--output {envtmpdir}/bench-issue232.json}
     perfsuite: {envpython} {toxinidir}/jsonschema/benchmarks/json_schema_test_suite.py --inherit-environ JSON_SCHEMA_TEST_SUITE {posargs:--output {envtmpdir}/bench-json_schema_test_suite.json}
@@ -49,10 +48,9 @@ deps =
 
     perf,perfsuite: pyperf
 
-    tests,coverage,codecov: twisted
+    tests,coverage: twisted
 
-    coverage,codecov: coverage
-    codecov: codecov
+    coverage: coverage>=7.0.0b1
 
 [testenv:bandit]
 deps = bandit