build: 3.15 is supported

Author: nedbat

.github/workflows/coverage.yml

@@ -91,6 +91,8 @@ jobs:
           - "3.13t"
           - "3.14"
           - "3.14t"
+          - "3.15"
+          - "3.15t"
           - "pypy-3.10"
         exclude:
           # Mac PyPy always takes the longest, and doesn't add anything.

.github/workflows/python-nightly.yml

@@ -53,7 +53,6 @@ jobs:
           - "3.14t"
           - "3.15"
           - "3.15t"
-
       fail-fast: false
 
     steps:

.github/workflows/testsuite.yml

@@ -89,6 +89,8 @@ jobs:
           - "3.13t"
           - "3.14"
           - "3.14t"
+          - "3.15"
+          - "3.15t"
           - "pypy-3.10"
           - "pypy-3.11"
         #

CHANGES.rst

@@ -23,7 +23,7 @@ upgrading your version of coverage.py.
 Unreleased
 ----------
 
-- Dropped support for Python 3.9.
+- Dropped support for Python 3.9, added support for Python 3.15 alpha.
 
 
 .. start-releases

README.rst

@@ -26,7 +26,7 @@ Coverage.py runs on these versions of Python:
 
 .. PYVERSIONS
 
-* Python 3.10 through 3.14, including free-threading.
+* Python 3.10 through 3.15 alpha, including free-threading.
 * PyPy3 versions 3.10 and 3.11.
 
 Documentation is on `Read the Docs`_.  Code repository and issue tracker are on

doc/index.rst

@@ -18,7 +18,7 @@ supported on:
 
 .. PYVERSIONS
 
-* Python 3.10 through 3.14, including free-threading.
+* Python 3.10 through 3.15 alpha, including free-threading.
 * PyPy3 versions 3.10 and 3.11.
 
 .. ifconfig:: prerelease

tox.ini

@@ -4,9 +4,9 @@
 [tox]
 # When changing this list, be sure to check the [gh] list below.
 # PYVERSIONS
-envlist = py3{10-14}, py3{13-14}t, pypy3, anypy, doc, lint, mypy
+envlist = py3{10-15}, py3{13-15}t, pypy3, anypy, doc, lint, mypy
 labels =
-    py = py3{10-14}, py3{13-14}t, pypy3
+    py = py3{10-15}, py3{13-15}t, pypy3
     qual = lint, mypy
 skip_missing_interpreters = {env:COVERAGE_SKIP_MISSING_INTERPRETERS:True}
 toxworkdir = {env:TOXWORKDIR:.tox}
@@ -37,8 +37,8 @@ setenv =
     # environments and not others.  So by default, don't warn, and we'll enable
     # the warning in a handful of environments to catch the problems.
     PYTHONWARNDEFAULTENCODING=
-    py3{10,11,12,13,14}: PYTHONWARNDEFAULTENCODING=1
-    py3{10,11,12,13,14}: PYTHONWARNINGS=ignore::EncodingWarning:pip._internal.utils.subprocess
+    py3{10,11,12,13,14,15}: PYTHONWARNDEFAULTENCODING=1
+    py3{10,11,12,13,14,15}: PYTHONWARNINGS=ignore::EncodingWarning:pip._internal.utils.subprocess
     # Disable CPython's color output
     PYTHON_COLORS=0
 
@@ -59,7 +59,7 @@ commands =
     python -m pip install {env:COVERAGE_PIP_ARGS} -q -e .
     python igor.py test_with_core ctrace {posargs}
 
-    py3{12,13,14}{,t},anypy: python igor.py test_with_core sysmon {posargs}
+    py3{12,13,14,15}{,t},anypy: python igor.py test_with_core sysmon {posargs}
 
 [testenv:anypy]
 # $set_env.py: COVERAGE_ANYPY - The custom Python for "tox -e anypy"