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Add support python 3.15 #1954

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590bc2f
Add support python 3.15
p-r-a-v-i-n Sep 27, 2026
b4e66ae
Add PyPy 3.12 support
p-r-a-v-i-n Oct 10, 2026
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10 changes: 10 additions & 0 deletions .audit/python315.md
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## AI Assistance Disclosure

- [ ] I did **not** use any AI-assistance tools to help create this pull request.
- [x] I **did** use AI-assistance tools to *help* create this pull request.
- [x] I have read, understood and followed the projects' [AI Policy](https://github.com/crossbario/autobahn-python/blob/main/AI_POLICY.md) when creating code, documentation etc. for this pull request.

Submitted by: @p-r-a-v-i-n
Date: 2026-09-27
Related issue(s): #1963
Branch: p-r-a-v-i-n:python315
2 changes: 1 addition & 1 deletion .github/templates/release-development.md.j2
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Expand Up @@ -16,7 +16,7 @@ Development build from pull request

## Python Versions

- **CPython**: 3.11, 3.12, 3.13, 3.14
- **CPython**: 3.11, 3.12, 3.13, 3.14, 3.15
- **PyPy**: 3.11

## Installation
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2 changes: 1 addition & 1 deletion .github/templates/release-nightly.md.j2
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Expand Up @@ -16,7 +16,7 @@ Automated nightly build from master branch

## Python Versions

- **CPython**: 3.11, 3.12, 3.13, 3.14
- **CPython**: 3.11, 3.12, 3.13, 3.14, 3.15
- **PyPy**: 3.11

## Installation
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2 changes: 1 addition & 1 deletion .github/templates/release-stable.md.j2
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Expand Up @@ -10,7 +10,7 @@ Official release {{ release_name }}

## Python Versions

- **CPython**: 3.11, 3.12, 3.13, 3.14
- **CPython**: 3.11, 3.12, 3.13, 3.14, 3.15
- **PyPy**: 3.11

## Installation
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32 changes: 23 additions & 9 deletions .github/workflows/README.md
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Expand Up @@ -179,23 +179,31 @@ functionality to wheel installs including the flatc binary.
|----------|--------------|----------|----------|
| **main.yml** | `documentation` | `docs/_build/html/` | N/A |
| **wstest.yml** | `wstest-results` | WebSocket conformance reports | N/A |
| **wheels.yml** | `wheels-macos-arm64` | macOS ARM64 wheels (cpy311-314, pypy311) | macOS arm64 |
| **wheels.yml** | `wheels-windows-x86_64` | Windows x64 wheels (cpy311-314, pypy311) | Windows x86_64 |
| **wheels.yml** | `wheels-windows-arm64` | Windows ARM64 wheels (cpy311-314, no PyPy) | Windows arm64 |
| **wheels.yml** | `wheels-macos-arm64` | macOS ARM64 wheels (cpy311-315, pypy311-312) | macOS arm64 |
| **wheels.yml** | `wheels-windows-x86_64` | Windows x64 wheels (cpy311-315, pypy311-312) | Windows x86_64 |
| **wheels.yml** | `wheels-windows-arm64` | Windows ARM64 wheels (cpy311-315, no PyPy) | Windows arm64 |
| **wheels.yml** | `linux-wheels-no-nvx` | Pure Python wheels (no NVX) | Linux x86_64 |
| **wheels.yml** | `source-distribution` | `*.tar.gz` sdist | Linux (build host) |
| **wheels-docker.yml** | `artifacts-manylinux_2_28_x86_64` | Linux x64 wheels (see below) | Linux x86_64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.11-manylinux_2_28_aarch64` | CPython 3.11 wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.12-manylinux_2_28_aarch64` | CPython 3.12 wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.13-manylinux_2_28_aarch64` | CPython 3.13 wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.14-manylinux_2_28_aarch64` | CPython 3.14 wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.15-manylinux_2_28_aarch64` | CPython 3.15 wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-cpython-3.15-musllinux_1_2_aarch64` | CPython 3.15 musllinux wheel | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-pypy-3.11-bookworm-manylinux_2_36_aarch64` | PyPy 3.11 wheel (Debian 12) | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-pypy-3.11-trixie-manylinux_2_38_aarch64` | PyPy 3.11 wheel (Debian 13) | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-pypy-3.12-bookworm-manylinux_2_36_aarch64` | PyPy 3.12 / pp80 wheel (Debian 12) | Linux aarch64 |
| **wheels-arm64.yml** | `artifacts-arm64-pypy-3.12-trixie-manylinux_2_38_aarch64` | PyPy 3.12 / pp80 wheel (Debian 13) | Linux aarch64 |

**wheels-docker.yml artifact contents** (`artifacts-manylinux_2_28_x86_64`):
- `cpy311-linux-x86_64-manylinux_2_28`
- `cpy312-linux-x86_64-manylinux_2_28`
- `cpy313-linux-x86_64-manylinux_2_28`
- `cpy314-linux-x86_64-manylinux_2_28`
- `cpy315-linux-x86_64-manylinux_2_28`
- `pypy311-linux-x86_64-manylinux_2_28`
- `pypy312-linux-x86_64-manylinux_2_28`

### 2. Artifact Consumer (release.yml)

Expand All @@ -211,22 +219,28 @@ download action. It maps artifact names via the `check-workflows` job outputs:
| `artifact_linux_no_nvx` | wheels.yml | `linux-wheels-no-nvx` |
| `artifact_manylinux_x86_64` | wheels-docker.yml | `artifacts-manylinux_2_28_x86_64` |
| `artifact_arm64_cp311` | wheels-arm64.yml | `artifacts-arm64-cpython-3.11-manylinux_2_28_aarch64` |
| `artifact_arm64_cp312` | wheels-arm64.yml | `artifacts-arm64-cpython-3.12-manylinux_2_28_aarch64` |
| `artifact_arm64_cp313` | wheels-arm64.yml | `artifacts-arm64-cpython-3.13-manylinux_2_28_aarch64` |
| `artifact_arm64_cp314` | wheels-arm64.yml | `artifacts-arm64-cpython-3.14-manylinux_2_28_aarch64` |
| `artifact_arm64_cp315` | wheels-arm64.yml | `artifacts-arm64-cpython-3.15-manylinux_2_28_aarch64` |
| `artifact_arm64_cp315_musl` | wheels-arm64.yml | `artifacts-arm64-cpython-3.15-musllinux_1_2_aarch64` |
| `artifact_arm64_pypy_bookworm` | wheels-arm64.yml | `artifacts-arm64-pypy-3.11-bookworm-manylinux_2_36_aarch64` |
| `artifact_arm64_pypy_trixie` | wheels-arm64.yml | `artifacts-arm64-pypy-3.11-trixie-manylinux_2_38_aarch64` |
| `artifact_arm64_pypy312_bookworm` | wheels-arm64.yml | `artifacts-arm64-pypy-3.12-bookworm-manylinux_2_36_aarch64` |
| `artifact_arm64_pypy312_trixie` | wheels-arm64.yml | `artifacts-arm64-pypy-3.12-trixie-manylinux_2_38_aarch64` |

## Platform Coverage

### Wheels Built

| Platform | Architecture | Python Versions | Manylinux Tag | Workflow |
|----------|--------------|-----------------|---------------|----------|
| Linux | x86_64 | 3.11, 3.12, 3.13, 3.14, PyPy 3.11 | manylinux_2_28 | wheels-docker.yml |
| Linux | aarch64 | 3.11, 3.13 | manylinux_2_28 | wheels-arm64.yml |
| Linux | aarch64 | PyPy 3.11 | manylinux_2_36/2_38 | wheels-arm64.yml |
| macOS | arm64 | 3.11, 3.12, 3.13, 3.14, PyPy 3.11 | N/A | wheels.yml |
| Windows | x86_64 | 3.11, 3.12, 3.13, 3.14, PyPy 3.11 | N/A | wheels.yml |
| Windows | arm64 | 3.11, 3.12, 3.13, 3.14 (no PyPy) | N/A | wheels.yml |
| Linux | x86_64 | 3.11, 3.12, 3.13, 3.14, 3.15, PyPy 3.11/3.12 | manylinux_2_28 | wheels-docker.yml |
| Linux | aarch64 | 3.11, 3.12, 3.13, 3.14, 3.15 | manylinux_2_28 | wheels-arm64.yml |
| Linux | aarch64 | PyPy 3.11/3.12 | manylinux_2_36/2_38 | wheels-arm64.yml |
| macOS | arm64 | 3.11, 3.12, 3.13, 3.14, 3.15, PyPy 3.11/3.12 | N/A | wheels.yml |
| Windows | x86_64 | 3.11, 3.12, 3.13, 3.14, 3.15, PyPy 3.11/3.12 | N/A | wheels.yml |
| Windows | arm64 | 3.11, 3.12, 3.13, 3.14, 3.15 (no PyPy) | N/A | wheels.yml |

### Why Manylinux Containers?

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50 changes: 25 additions & 25 deletions .github/workflows/main.yml
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Expand Up @@ -85,17 +85,17 @@ jobs:

- name: Create Python environment and install tools
run: |
just create cpy314
just install-tools cpy314
just create cpy315
just install-tools cpy315

- name: Code formatting / linting (via ruff)
run: just check-format cpy314
run: just check-format cpy315

- name: Code static typing (via ty)
run: just check-typing cpy314
run: just check-typing cpy315

- name: Code test coverage (Combined Twisted + asyncio) - WITH NVX
run: just check-coverage-combined cpy314 1
run: just check-coverage-combined cpy315 1

- name: Upload coverage report (with-nvx)
if: always()
Expand All @@ -106,7 +106,7 @@ jobs:
retention-days: 14

- name: Code test coverage (Combined Twisted + asyncio) - WITHOUT NVX
run: just check-coverage-combined cpy314 0
run: just check-coverage-combined cpy315 0

- name: Upload coverage report (without-nvx)
if: always()
Expand All @@ -117,16 +117,16 @@ jobs:
retention-days: 14

- name: Unit test - Twisted / trial - WITH NVX
run: just test-twisted cpy314 1
run: just test-twisted cpy315 1

- name: Unit test - Twisted / trial - WITHOUT NVX
run: just test-twisted cpy314 0
run: just test-twisted cpy315 0

- name: Unit test - asyncio / pytest - WITH NVX
run: just test-asyncio cpy314 1
run: just test-asyncio cpy315 1

- name: Unit test - asyncio / pytest - WITHOUT NVX
run: just test-asyncio cpy314 0
run: just test-asyncio cpy315 0

test-serdes:
name: SerDes Conformance Tests
Expand All @@ -142,7 +142,7 @@ jobs:

strategy:
matrix:
python-env: [cpy314, cpy311, pypy311]
python-env: [cpy315, cpy311, pypy312, pypy311]

steps:
- name: Checkout code
Expand Down Expand Up @@ -230,12 +230,12 @@ jobs:
PR_BRANCH: ${{ needs.identifiers.outputs.pr_branch }}

# Runs on ALL supported Python versions (unlike the main test suite, which
# runs on cpy314 only) so import-time annotation regressions that only fire
# runs on cpy315 only) so import-time annotation regressions that only fire
# on CPython < 3.14 - e.g. #1878 - are caught. Crypto extras are installed
# (via install-dev -> autobahn[all]) so the cryptosign code paths run.
strategy:
matrix:
python-env: [cpy314, cpy313, cpy312, cpy311, pypy311]
python-env: [cpy315, cpy314, cpy313, cpy312, cpy311, pypy312, pypy311]

steps:
- name: Checkout code
Expand Down Expand Up @@ -393,11 +393,11 @@ jobs:

- name: Create Python environment and install tools
run: |
just create cpy314
just install-tools cpy314
just create cpy315
just install-tools cpy315

- name: Build documentation
run: just docs cpy314
run: just docs cpy315

- name: Upload documentation artifacts
uses: wamp-proto/wamp-cicd/actions/upload-artifact-verified@main
Expand Down Expand Up @@ -452,13 +452,13 @@ jobs:

# - name: Create Python environment and install tools
# run: |
# just create cpy314
# just install-tools cpy314
# just create cpy315
# just install-tools cpy315

# - name: Run spellcheck
# run: |
# # Navigate to docs directory and run sphinx spellcheck
# cd docs && ../.venvs/cpy314/bin/sphinx-build -b spelling . _spelling
# cd docs && ../.venvs/cpy315/bin/sphinx-build -b spelling . _spelling

# FIXME: 1 warning, 52 errors in 0.82s
#
Expand Down Expand Up @@ -500,12 +500,12 @@ jobs:

# - name: Create Python environment and install package
# run: |
# just create cpy314
# just install-tools cpy314
# just install-dev cpy314
# just create cpy315
# just install-tools cpy315
# just install-dev cpy315

# - name: Run test suite
# run: just test cpy314
# run: just test cpy315

build-schema:
name: FlatBuffers Schema Build
Expand All @@ -521,7 +521,7 @@ jobs:

strategy:
matrix:
python-env: [cpy314, cpy311, pypy311]
python-env: [cpy315, cpy311, pypy312, pypy311]

steps:
- name: Checkout code
Expand Down Expand Up @@ -684,7 +684,7 @@ jobs:

strategy:
matrix:
python-env: [cpy314, cpy311, pypy311]
python-env: [cpy315, cpy311, pypy312, pypy311]

steps:
- name: Checkout code
Expand Down
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