Rebasing to the latest version of micropython/master

.git-blame-ignore-revs

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+# top: Update Python formatting to black "2023 stable style".
+8b2748269244304854b3462cb8902952b4dcb892
+
+# all: Reformat remaining C code that doesn't have a space after a comma.
+5b700b0af90591d6b1a2c087bb8de6b7f1bfdd2d
+
+# ports: Reformat more C and Python source code.
+5c32111fa0e31e451b0f1666bdf926be2fdfd82c
+
+# all: Update Python formatting to latest Black version 22.1.0.
+ab2923dfa1174dc177f0a90cb00a7e4ff87958d2
+
+# all: Update Python formatting to latest Black version 21.12b0.
+3770fab33449a5dadf8eb06edfae0767e75320a6
+
+# tools/gen-cpydiff.py: Fix formatting of doc strings for new Black.
+0f78c36c5aa458a954eed39a46942209107a553e
+
+# tests/run-tests.py: Reformat with Black.
+2a38d7103672580882fb621a5b76e8d26805d593
+
+# all: Update Python code to conform to latest black formatting.
+06659077a81b85882254cf0953c33b27614e018e
+
+# tools/uncrustify: Enable more opts to remove space between func and '('.
+77ed6f69ac35c1663a5633a8ee1d8a2446542204
+
+# tools/codeformat.py: Include extmod/{btstack,nimble} in code formatting.
+026fda605e03113d6e753290d65fed774418bc53
+
+# all: Format code to add space after C++-style comment start.
+84fa3312cfa7d2237d4b56952f2cd6e3591210c4
+
+# tests: Format all Python code with black, except tests in basics subdir.
+3dc324d3f1312e40d3a8ed87e7244966bb756f26
+
+# all: Remove spaces inside and around parenthesis.
+1a3e386c67e03a79eb768cb6e9f6777e002d6660
+
+# all: Remove spaces between nested paren and inside function arg paren.
+feb25775851ba0c04b8d1013716f442258879d9c
+
+# all: Reformat C and Python source code with tools/codeformat.py.
+69661f3343bedf86e514337cff63d96cc42f8859
+
+# stm32/usbdev: Convert files to unix line endings.
+abde0fa2267f9062b28c3c015d7662a550125cc6
+
+# all: Remove trailing spaces, per coding conventions.
+761e4c7ff62896c7d8f8c3dfc3cc98a4cc4f2f6f

.github/FUNDING.yml

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+github: micropython

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Report an issue
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab or raise a documentation request instead.
+
+* In your issue, please include a clear and concise description of what the bug is, the expected output, and how to replicate it.
+
+* If this issue involves external hardware, please include links to relevant datasheets and schematics.
+
+* If you are seeing code being executed incorrectly, please provide a minimal example and expected output (e.g. comparison to CPython).
+
+* For build issues, please include full details of your environment, compiler versions, command lines, and build output.
+
+* Please provide as much information as possible about the version of MicroPython you're running, such as:
+ - firmware file name
+ - git commit hash and port/board
+ - version information shown in the REPL (hit Ctrl-B to see the startup message)
+
+* Remove all placeholder text above before submitting.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: MicroPython GitHub Discussions
+    url: https://github.com/orgs/micropython/discussions
+    about: Community discussion about all things MicroPython. This is the best place to start if you have questions about using MicroPython or getting started with MicroPython development.
+  - name: MicroPython Documentation
+    url: https://docs.micropython.org/
+    about: Documentation for using and working with MicroPython and libraries.
+  - name: MicroPython Downloads
+    url: https://micropython.org/download/
+    about: Pre-built firmware and information for most supported boards.

.github/ISSUE_TEMPLATE/documentation.md

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+---
+name: Documentation issue
+about: Report areas of the documentation or examples that need improvement
+title: 'docs: '
+labels: documentation
+assignees: ''
+
+---
+
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab instead.
+
+* Describe what was missing from the documentation and/or what was incorrect/incomplete.
+
+* If possible, please link to the relevant page on https://docs.micropython.org/
+
+* Remove all placeholder text above before submitting.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Request a feature or improvement
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+* Please search existing issues before raising a new issue. For questions about MicroPython or for help using MicroPython, or any sort of "how do I?" requests, please use the Discussions tab or raise a documentation request instead.
+
+* Describe the feature you'd like to see added to MicroPython. In particular, what does this feature enable and why is it useful. MicroPython aims to strike a balance between functionality and code size, so please consider whether this feature can be optionally enabled and whether it can be provided in other ways (e.g. pure-Python library).
+
+* For core Python features, where possible please include a link to the relevant PEP.
+
+* For new architectures / ports / boards, please provide links to relevant documentation, specifications, and toolchains. Any information about the popularity and unique features about this hardware would also be useful.
+
+* For features for existing ports (e.g. new peripherals or microcontroller features), please describe which port(s) it applies too, and whether this is could be an extension to the machine API or a port-specific module?
+
+* For drivers (e.g. for external hardware), please link to datasheets and/or existing drivers from other sources.
+
+* Who do you expect will implement the feature you are requesting? Would you be willing to sponsor this work?
+
+* Remove all placeholder text above before submitting.

.github/ISSUE_TEMPLATE/security.md

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+---
+name: Security report
+about: Report a security issue or vunerability in MicroPython
+title: ''
+labels: security
+assignees: ''
+
+---
+
+* If you need to raise this issue privately with the MicroPython team, please email [email protected] instead.
+
+* Include a clear and concise description of what the security issue is.
+
+* What does this issue allow an attacker to do?
+
+* Remove all placeholder text above before submitting.

.github/dependabot.yml

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+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/code_formatting.yml

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+name: Check code formatting
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+    - name: Install packages
+      run: source tools/ci.sh && ci_code_formatting_setup
+    - name: Run code formatting
+      run: source tools/ci.sh && ci_code_formatting_run
+    - name: Check code formatting
+      run: git diff --exit-code

.github/workflows/code_size.yml

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+name: Check code size
+
+on:
+  push:
+  pull_request:
+    paths:
+      - '.github/workflows/*.yml'
+      - 'tools/**'
+      - 'py/**'
+      - 'extmod/**'
+      - 'lib/**'
+      - 'ports/bare-arm/**'
+      - 'ports/minimal/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 100
+    - name: Install packages
+      run: source tools/ci.sh && ci_code_size_setup
+    - name: Build
+      run: source tools/ci.sh && ci_code_size_build
+    - name: Compute code size difference
+      run: tools/metrics.py diff ~/size0 ~/size1 | tee diff
+    - name: Save PR number
+      if: github.event_name == 'pull_request'
+      env:
+        PR_NUMBER: ${{ github.event.number }}
+      run: echo $PR_NUMBER > pr_number
+    - name: Upload diff
+      if: github.event_name == 'pull_request'
+      uses: actions/upload-artifact@v3
+      with:
+        name: code-size-report
+        path: |
+          diff
+          pr_number
+        retention-days: 1

.github/workflows/code_size_comment.yml

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+name: Code size comment
+
+on:
+  workflow_run:
+    workflows: [Check code size]
+    types: [completed]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  comment:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: 'Download artifact'
+        id: download-artifact
+        uses: actions/github-script@v6
+        with:
+          result-encoding: string
+          script: |
+            const fs = require('fs');
+
+            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+               owner: context.repo.owner,
+               repo: context.repo.repo,
+               run_id: context.payload.workflow_run.id,
+            });
+
+            const matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
+              return artifact.name == "code-size-report"
+            });
+
+            if (matchArtifact.length === 0) {
+              console.log('no matching artifact found');
+              console.log('result: "skip"');
+
+              return 'skip';
+            }
+
+            const download = await github.rest.actions.downloadArtifact({
+               owner: context.repo.owner,
+               repo: context.repo.repo,
+               artifact_id: matchArtifact[0].id,
+               archive_format: 'zip',
+            });
+
+            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/code-size-report.zip`, Buffer.from(download.data));
+
+            console.log('artifact downloaded to `code-size-report.zip`');
+            console.log('result: "ok"');
+
+            return 'ok';
+      - name: 'Unzip artifact'
+        if: steps.download-artifact.outputs.result == 'ok'
+        run: unzip code-size-report.zip
+      - name: Post comment to pull request
+        if: steps.download-artifact.outputs.result == 'ok'
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            const fs = require('fs');
+
+            const prNumber = Number(fs.readFileSync('pr_number'));
+            const codeSizeReport = `Code size report:
+
+            \`\`\`
+            ${fs.readFileSync('diff')}
+            \`\`\`
+            `;
+
+            const comments = await github.paginate(
+              github.rest.issues.listComments,
+              {
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: prNumber,
+              }
+            );
+
+            comments.reverse();
+
+            const previousComment = comments.find(comment =>
+              comment.user.login === 'github-actions[bot]'
+            )
+
+            // if github-actions[bot] already made a comment, update it,
+            // otherwise create a new comment.
+
+            if (previousComment) {
+              await github.rest.issues.updateComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: previousComment.id,
+                body: codeSizeReport,
+              });
+            } else {
+              await github.rest.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: prNumber,
+                body: codeSizeReport,
+              });
+            }

.github/workflows/commit_formatting.yml

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+name: Check commit message formatting
+
+on: [push, pull_request]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: '100'
+    - uses: actions/setup-python@v4
+    - name: Check commit message formatting
+      run: source tools/ci.sh && ci_commit_formatting_run

.github/workflows/docs.yml

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+name: Build docs
+
+on:
+  pull_request:
+    paths:
+      - docs/**
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+    - name: Install Python packages
+      run: pip install Sphinx
+    - name: Build docs
+      run: make -C docs/ html

.github/workflows/examples.yml

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+name: Check examples
+
+on:
+  push:
+  pull_request:
+    paths:
+      - '.github/workflows/*.yml'
+      - 'examples/**'
+      - 'ports/unix/**'
+      - 'py/**'
+      - 'shared/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  embedding:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: make -C examples/embedding -f micropython_embed.mk && make -C examples/embedding
+    - name: Run
+      run: ./examples/embedding/embed | grep "hello world"