Rebase unix server sockets

.builds/alpine.yml

@@ -0,0 +1,22 @@
+image: alpine/latest
+packages:
+  - curl
+  - gcc
+  - libffi-dev
+  - musl-dev
+  - openssl-dev
+  - python3-dev
+  # required to build cryptography
+  - rust
+  - cargo
+sources:
+  - https://github.com/python-trio/trio
+tasks:
+  - test: |
+      python3 -m venv venv
+      source venv/bin/activate
+      cd trio
+      CI_BUILD_ID=$JOB_ID CI_BUILD_URL=$JOB_URL ./ci.sh
+environment:
+  CODECOV_TOKEN: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+  JOB_NAME: Alpine

.builds/fedora.yml

@@ -0,0 +1,15 @@
+image: fedora/rawhide
+packages:
+  - python3-devel
+  - python3-pip
+sources:
+  - https://github.com/python-trio/trio
+tasks:
+  - test: |
+      python3 -m venv venv
+      source venv/bin/activate
+      cd trio
+      CI_BUILD_ID=$JOB_ID CI_BUILD_URL=$JOB_URL ./ci.sh
+environment:
+  CODECOV_TOKEN: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+  JOB_NAME: Fedora

.builds/freebsd.yml

@@ -0,0 +1,18 @@
+image: freebsd/latest
+packages:
+  - curl
+  - python39
+  - py39-sqlite3
+  - rust  # required to build cryptography
+sources:
+  - https://github.com/python-trio/trio
+tasks:
+  - setup: sudo ln -s /usr/local/bin/bash /bin/bash
+  - test: |
+      python3.9 -m venv venv
+      source venv/bin/activate
+      cd trio
+      CI_BUILD_ID=$JOB_ID CI_BUILD_URL=$JOB_URL ./ci.sh
+environment:
+  CODECOV_TOKEN: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+  JOB_NAME: FreeBSD

.coveragerc

@@ -1,13 +1,15 @@
 [run]
 branch=True
 source=trio
-# For some reason coverage recording doesn't work for ipython_custom_exc.py,
-# so leave it out of reports
 omit=
   setup.py
-  */ipython_custom_exc.py
-# Omit the generated files in trio/_core starting with _public_
+# These are run in subprocesses, but still don't work. We follow
+# coverage's documentation to no avail.
+  */trio/_core/_tests/test_multierror_scripts/*
+# Omit the generated files in trio/_core starting with _generated_
   */trio/_core/_generated_*
+# Script used to check type completeness that isn't run in tests
+  */trio/_tests/check_type_completeness.py
 # The test suite spawns subprocesses to test some stuff, so make sure
 # this doesn't corrupt the coverage files
 parallel=True
@@ -17,3 +19,13 @@ precision = 1
 exclude_lines =
   pragma: no cover
   abc.abstractmethod
+  if TYPE_CHECKING:
+  if _t.TYPE_CHECKING:
+  @overload
+
+partial_branches =
+  pragma: no branch
+  if not TYPE_CHECKING:
+  if not _t.TYPE_CHECKING:
+  if .* or not TYPE_CHECKING:
+  if .* or not _t.TYPE_CHECKING:

.git-blame-ignore-revs

@@ -0,0 +1,2 @@
+# sorting all imports with isort
+933f77b96f0092e1baab4474a9208fc2e379aa32

.gitattributes

@@ -0,0 +1,6 @@
+# For files generated by trio/_tools/gen_exports.py
+trio/_core/_generated*    linguist-generated=true
+# Treat generated files as binary in git diff
+trio/_core/_generated*    -diff
+# don't merge the generated json file, let the user (script) handle it
+trio/_tests/verify_types.json merge=binary

.github/workflows/autodeps.yml

@@ -0,0 +1,82 @@
+name: Autodeps
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  '0 0 1 * *'
+
+jobs:
+  Autodeps:
+    name: Autodeps
+    timeout-minutes: 10
+    runs-on: 'ubuntu-latest'
+    # https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#changing-github_token-permissions
+    permissions:
+      pull-requests: write
+      issues: write
+      repository-projects: write
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.8"
+      - name: Bump dependencies
+        run: |
+          python -m pip install -U pip
+          python -m pip install -r test-requirements.txt
+          pip-compile -U test-requirements.in
+          pip-compile -U docs-requirements.in
+      - name: Black
+        run: |
+          # The new dependencies may contain a new black version.
+          # Commit any changes immediately.
+          python -m pip install -r test-requirements.txt
+          black setup.py trio
+      - name: Commit changes and create automerge PR
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          # setup git repo
+          git switch --force-create autodeps/bump_from_${GITHUB_SHA:0:6}
+          git config user.name 'github-actions[bot]'
+          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
+
+          if ! git commit -am "Dependency updates"; then
+            echo "No changes to commit!"
+            exit 0
+          fi
+
+          git push --force --set-upstream origin autodeps/bump_from_${GITHUB_SHA:0:6}
+
+          # git push returns before github is ready for a pr, so we poll until success
+          for BACKOFF in 1 2 4 8 0; do
+            sleep $BACKOFF
+            if gh pr create \
+              --label dependencies --body "" \
+              --title "Bump dependencies from commit ${GITHUB_SHA:0:6}" \
+              ; then
+              break
+            fi
+          done
+
+          if [ $BACKOFF -eq 0 ]; then
+            echo "Could not create the PR"
+            exit 1
+          fi
+
+          # gh pr create returns before the pr is ready, so we again poll until success
+          # https://github.com/cli/cli/issues/2619#issuecomment-1240543096
+          for BACKOFF in 1 2 4 8 0; do
+            sleep $BACKOFF
+            if gh pr merge --auto --squash; then
+              break
+            fi
+          done
+
+          if [ $BACKOFF -eq 0 ]; then
+            echo "Could not set automerge"
+            exit 1
+          fi

.github/workflows/ci.yml

@@ -0,0 +1,193 @@
+name: CI
+
+on:
+  push:
+    branches-ignore:
+      - "dependabot/**"
+  pull_request:
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && format('-{0}', github.sha) || '' }}
+  cancel-in-progress: true
+
+jobs:
+  Windows:
+    name: 'Windows (${{ matrix.python }}, ${{ matrix.arch }}${{ matrix.extra_name }})'
+    timeout-minutes: 20
+    runs-on: 'windows-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        # pypy-3.10 is failing, see https://github.com/python-trio/trio/issues/2678
+        python: ['3.8', '3.9', '3.10', 'pypy-3.9-nightly'] #, 'pypy-3.10-nightly']
+        arch: ['x86', 'x64']
+        lsp: ['']
+        lsp_extract_file: ['']
+        extra_name: ['']
+        exclude:
+          # pypy does not release 32-bit binaries
+          - python: 'pypy-3.9-nightly'
+            arch: 'x86'
+          #- python: 'pypy-3.10-nightly'
+          #  arch: 'x86'
+        include:
+          - python: '3.8'
+            arch: 'x64'
+            lsp: 'https://raw.githubusercontent.com/python-trio/trio-ci-assets/master/komodia-based-vpn-setup.zip'
+            lsp_extract_file: 'komodia-based-vpn-setup.exe'
+            extra_name: ', with Komodia LSP'
+          - python: '3.8'
+            arch: 'x64'
+            lsp: 'https://www.proxifier.com/download/legacy/ProxifierSetup342.exe'
+            lsp_extract_file: ''
+            extra_name: ', with IFS LSP'
+          #- python: '3.8'
+          #  arch: 'x64'
+          #  lsp: 'http://download.pctools.com/mirror/updates/9.0.0.2308-SDavfree-lite_en.exe'
+          #  lsp_extract_file: ''
+          #  extra_name: ', with non-IFS LSP'
+    continue-on-error: >-
+      ${{
+        (
+          endsWith(matrix.python, '-dev')
+          || endsWith(matrix.python, '-nightly')
+        )
+        && true
+        || false
+      }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          # This allows the matrix to specify just the major.minor version while still
+          # expanding it to get the latest patch version including alpha releases.
+          # This avoids the need to update for each new alpha, beta, release candidate,
+          # and then finally an actual release version.  actions/setup-python doesn't
+          # support this for PyPy presently so we get no help there.
+          #
+          # 'CPython' -> '3.9.0-alpha - 3.9.X'
+          # 'PyPy'    -> 'pypy-3.9'
+          python-version: ${{ fromJSON(format('["{0}", "{1}"]', format('{0}.0-alpha - {0}.X', matrix.python), matrix.python))[startsWith(matrix.python, 'pypy')] }}
+          architecture: '${{ matrix.arch }}'
+          cache: pip
+          cache-dependency-path: test-requirements.txt
+      - name: Run tests
+        run: ./ci.sh
+        shell: bash
+        env:
+          LSP: '${{ matrix.lsp }}'
+          LSP_EXTRACT_FILE: '${{ matrix.lsp_extract_file }}'
+      - if: always()
+        uses: codecov/codecov-action@v3
+        with:
+          directory: empty
+          token: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+          name: Windows (${{ matrix.python }}, ${{ matrix.arch }}${{ matrix.extra_name }})
+          flags: Windows,${{ matrix.python }}
+
+  Ubuntu:
+    name: 'Ubuntu (${{ matrix.python }}${{ matrix.extra_name }})'
+    timeout-minutes: 10
+    runs-on: 'ubuntu-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['pypy-3.9', 'pypy-3.10', '3.8', '3.9', '3.10', '3.11', '3.12-dev', 'pypy-3.9-nightly', 'pypy-3.10-nightly']
+        check_formatting: ['0']
+        extra_name: ['']
+        include:
+          - python: '3.8'
+            check_formatting: '1'
+            extra_name: ', check formatting'
+    continue-on-error: >-
+      ${{
+        (
+          matrix.check_formatting == '1'
+          || endsWith(matrix.python, '-dev')
+          || endsWith(matrix.python, '-nightly')
+        )
+        && true
+        || false
+      }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        if: "!endsWith(matrix.python, '-dev')"
+        with:
+          python-version: ${{ fromJSON(format('["{0}", "{1}"]', format('{0}.0-alpha - {0}.X', matrix.python), matrix.python))[startsWith(matrix.python, 'pypy')] }}
+          cache: pip
+          cache-dependency-path: test-requirements.txt
+      - name: Setup python (dev)
+        uses: deadsnakes/[email protected]
+        if: endsWith(matrix.python, '-dev')
+        with:
+          python-version: '${{ matrix.python }}'
+      - name: Run tests
+        run: ./ci.sh
+        env:
+          CHECK_FORMATTING: '${{ matrix.check_formatting }}'
+      - if: always()
+        uses: codecov/codecov-action@v3
+        with:
+          directory: empty
+          token: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+          name: Ubuntu (${{ matrix.python }}${{ matrix.extra_name }})
+          flags: Ubuntu,${{ matrix.python }}
+
+  macOS:
+    name: 'macOS (${{ matrix.python }})'
+    timeout-minutes: 15
+    runs-on: 'macos-latest'
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.8', '3.9', '3.10', 'pypy-3.9-nightly', 'pypy-3.10-nightly']
+    continue-on-error: >-
+      ${{
+        (
+          endsWith(matrix.python, '-dev')
+          || endsWith(matrix.python, '-nightly')
+        )
+        && true
+        || false
+      }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ fromJSON(format('["{0}", "{1}"]', format('{0}.0-alpha - {0}.X', matrix.python), matrix.python))[startsWith(matrix.python, 'pypy')] }}
+          cache: pip
+          cache-dependency-path: test-requirements.txt
+      - name: Run tests
+        run: ./ci.sh
+      - if: always()
+        uses: codecov/codecov-action@v3
+        with:
+          directory: empty
+          token: 87cefb17-c44b-4f2f-8b30-1fff5769ce46
+          name: macOS (${{ matrix.python }})
+          flags: macOS,${{ matrix.python }}
+
+  # https://github.com/marketplace/actions/alls-green#why
+  check:  # This job does nothing and is only used for the branch protection
+
+    if: always()
+
+    needs:
+      - Windows
+      - Ubuntu
+      - macOS
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Decide whether the needed jobs succeeded or failed
+        uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}

.gitignore

@@ -40,6 +40,7 @@ pip-log.txt
 htmlcov/
 .tox/
 .venv/
+pyvenv.cfg
 .coverage
 .coverage.*
 .cache