Merge branch 'main' into deepcopy_c_implementation

.cirrus.yml

@@ -0,0 +1,26 @@
+freebsd_task:
+  freebsd_instance:
+    matrix:
+    - image: freebsd-13-2-release-amd64
+  # Turn off TCP and UDP blackhole.  It is not enabled by default in FreeBSD,
+  # but it is in the FreeBSD GCE images as used by Cirrus-CI.  It causes even
+  # local local connections to fail with ETIMEDOUT instead of ECONNREFUSED.
+  # For more information see https://reviews.freebsd.org/D41751 and
+  # https://github.com/cirruslabs/cirrus-ci-docs/issues/483.
+  sysctl_script:
+    - sysctl net.inet.tcp.blackhole=0
+    - sysctl net.inet.udp.blackhole=0
+  configure_script:
+    - mkdir build
+    - cd build
+    - ../configure --with-pydebug
+  build_script:
+    - cd build
+    - make -j$(sysctl -n hw.ncpu)
+  pythoninfo_script:
+    - cd build
+    - make pythoninfo
+  test_script:
+    - cd build
+    # dtrace fails to build on FreeBSD - see gh-73263
+    - make buildbottest TESTOPTS="-j0 -x test_dtrace --timeout=600"

.coveragerc

@@ -7,6 +7,11 @@ exclude_lines =
     # Don't complain if non-runnable code isn't run:
     if 0:
     if __name__ == .__main__.:
+    raise AssertionError\(
+
+    # Empty bodies in protocols or abstract methods
+    ^\s*def [a-zA-Z0-9_]+\(.*\)(\s*->.*)?:\s*\.\.\.(\s*#.*)?$
+    ^\s*\.\.\.(\s*#.*)?$
 
     .*# pragma: no cover
     .*# pragma: no branch

.gitattributes

@@ -66,15 +66,20 @@ PCbuild/readme.txt  dos
 [attr]generated linguist-generated=true diff=generated
 
 **/clinic/*.c.h                                     generated
+**/clinic/*.cpp.h                                   generated
+**/clinic/*.h.h                                     generated
 *_db.h                                              generated
 Doc/data/stable_abi.dat                             generated
 Doc/library/token-list.inc                          generated
 Include/internal/pycore_ast.h                       generated
 Include/internal/pycore_ast_state.h                 generated
 Include/internal/pycore_opcode.h                    generated
+Include/internal/pycore_opcode_metadata.h           generated
 Include/internal/pycore_*_generated.h               generated
 Include/opcode.h                                    generated
+Include/opcode_ids.h                                generated
 Include/token.h                                     generated
+Lib/_opcode_metadata.py                             generated
 Lib/keyword.py                                      generated
 Lib/test/levenshtein_examples.json                  generated
 Lib/test/test_stable_abi_ctypes.py                  generated
@@ -87,6 +92,7 @@ Programs/test_frozenmain.h                          generated
 Python/Python-ast.c                                 generated
 Python/executor_cases.c.h                           generated
 Python/generated_cases.c.h                          generated
+Python/abstract_interp_cases.c.h                    generated
 Python/opcode_targets.h                             generated
 Python/stdlib_module_names.h                        generated
 Tools/peg_generator/pegen/grammar_parser.py         generated

.github/CODEOWNERS

@@ -179,3 +179,6 @@ Doc/c-api/stable.rst          @encukou
 /Tools/clinic/**              @erlend-aasland @AlexWaygood
 /Lib/test/test_clinic.py      @erlend-aasland @AlexWaygood
 Doc/howto/clinic.rst          @erlend-aasland
+
+# WebAssembly
+/Tools/wasm/                  @brettcannon

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,55 @@
+name: Bug report
+description: Submit a bug report
+labels: ["type-bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        **New to Python?**
+
+        For help or advice on using Python, try one of the following options instead of opening a GitHub issue:
+
+          - Asking on [Discourse](https://discuss.python.org/c/users/7) or [Stack Overflow](https://stackoverflow.com)
+          - Reading the [Python tutorial](https://docs.python.org/3/tutorial/)
+          - Emailing [python-list](https://mail.python.org/mailman/listinfo/python-list)
+
+        Make sure to also search the [CPython issue tracker](https://github.com/python/cpython/issues?q=is%3Aissue+sort%3Acreated-desc) to check that the bug has not already been reported.
+  - type: textarea
+    attributes:
+      label: "Bug description:"
+      description: >
+        Give a clear and concise description of what happened.
+        Include a [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) if possible.
+        [Copy and paste code where possible rather than using screenshots](https://meta.stackoverflow.com/a/285557/13990016),
+        and put any code blocks inside triple backticks.
+
+      value: |
+        ```python
+        # Add a code block here, if required
+        ```
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "CPython versions tested on:"
+      multiple: true
+      options:
+        - "3.8"
+        - "3.9"
+        - "3.10"
+        - "3.11"
+        - "3.12"
+        - "CPython main branch"
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "Operating systems tested on:"
+      multiple: true
+      options:
+        - Linux
+        - macOS
+        - Windows
+        - Other
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/crash.yml

@@ -0,0 +1,54 @@
+name: Crash report
+description: A hard crash of the interpreter, possibly with a core dump
+labels: ["type-crash"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+          This form is for hard crashes of the Python interpreter, segmentation faults, failed C-level assertions, and similar. Unexpected exceptions raised from Python functions in the standard library count as bugs rather than crashes.
+
+          The CPython interpreter is written in a different programming language, C. A "CPython crash" is when Python itself fails, leading to a traceback in the C stack.
+  - type: textarea
+    attributes:
+      label: What happened?
+      description: >
+        Include a [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) if possible.
+        [Copy and paste code where possible rather than using screenshots](https://meta.stackoverflow.com/a/285557/13990016),
+        and put any code blocks inside triple backticks.
+
+      value: |
+        ```python
+        # Add a code block here, if required
+        ```
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "CPython versions tested on:"
+      multiple: true
+      options:
+        - "3.8"
+        - "3.9"
+        - "3.10"
+        - "3.11"
+        - "3.12"
+        - "CPython main branch"
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "Operating systems tested on:"
+      multiple: true
+      options:
+        - Linux
+        - macOS
+        - Windows
+        - Other
+    validations:
+      required: false
+  - type: input
+    attributes:
+      label: "Output from running 'python -VV' on the command line:"
+      description: If you tested with multiple operating systems or architectures, feel free to provide details in the main bug description.
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature.yml

@@ -0,0 +1,40 @@
+name: Feature or enhancement
+description: Submit a proposal for a new CPython feature or enhancement
+labels: ["type-feature"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        # Proposing a feature to CPython?
+
+        You'll need to demonstrate widespread support for your idea among the community.
+
+        Major feature proposals should generally be discussed on [Discourse](https://discuss.python.org/c/ideas/6) before opening a GitHub issue. Wait until it's clear that most people support your idea before filling in this form.
+  - type: textarea
+    attributes:
+      label: "Proposal:"
+      description: >
+        Explain your proposal, why it should be implemented, and how it would be used.
+        Add examples, if applicable.
+        Put any code blocks inside triple backticks.
+      value: |
+        ```python
+        # Add a code block here, if required
+        ```
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: Has this already been discussed elsewhere?
+      options:
+        - No response given
+        - I have already discussed this feature proposal on Discourse
+        - This is a minor feature, which does not need previous discussion elsewhere
+      multiple: false
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: "Links to previous discussion of this feature:"
+    validations:
+      required: false

.github/dependabot.yml

@@ -13,7 +13,7 @@ updates:
           - "version-update:semver-minor"
           - "version-update:semver-patch"
   - package-ecosystem: "pip"
-    directory: "/Tools/clinic/"
+    directory: "/Tools/"
     schedule:
       interval: "monthly"
     labels: