gh-135228: Break reference cycle between class and descriptors#135230
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JelleZijlstra added a commit to JelleZijlstra/cpython that referenced this pull request Jul 20, 2025
…ke the original class collectible An interesting hack, but more localized in scope than python#135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class.
JelleZijlstra added a commit that referenced this pull request Jul 22, 2025
… original class collectible (#136893) An interesting hack, but more localized in scope than #135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jul 22, 2025
…ke the original class collectible (pythonGH-136893) An interesting hack, but more localized in scope than pythonGH-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. (cherry picked from commit 46cbdf9) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
JelleZijlstra added a commit that referenced this pull request Jul 22, 2025
…ake the original class collectible (GH-136893) (#136960) gh-135228: When @DataClass(slots=True) replaces a dataclass, make the original class collectible (GH-136893) An interesting hack, but more localized in scope than GH-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. (cherry picked from commit 46cbdf9) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
JelleZijlstra added a commit to JelleZijlstra/cpython that referenced this pull request Jul 23, 2025
…ke the original class collectible (python#136893) An interesting hack, but more localized in scope than python#135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
taegyunkim pushed a commit to taegyunkim/cpython that referenced this pull request Aug 4, 2025
…ke the original class collectible (python#136893) An interesting hack, but more localized in scope than python#135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
encukou added a commit that referenced this pull request Aug 12, 2025
… original class collectible (take 2) (GH-137047) Remove the `__dict__` and `__weakref__` descriptors from the original class when creating a dataclass from it. An interesting hack, but more localized in scope than gh-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com> Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Aug 12, 2025
…ke the original class collectible (take 2) (pythonGH-137047) Remove the `__dict__` and `__weakref__` descriptors from the original class when creating a dataclass from it. An interesting hack, but more localized in scope than pythongh-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. (cherry picked from commit 6859b95) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com> Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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JelleZijlstra commented Aug 15, 2025
#136966 is a better implementation of a similar idea. |
Agent-Hellboy pushed a commit to Agent-Hellboy/cpython that referenced this pull request Aug 19, 2025
…ke the original class collectible (python#136893) An interesting hack, but more localized in scope than python#135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
Agent-Hellboy pushed a commit to Agent-Hellboy/cpython that referenced this pull request Aug 19, 2025
…ke the original class collectible (take 2) (pythonGH-137047) Remove the `__dict__` and `__weakref__` descriptors from the original class when creating a dataclass from it. An interesting hack, but more localized in scope than pythongh-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com> Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
kumaraditya303 pushed a commit to miss-islington/cpython that referenced this pull request Sep 9, 2025
…ass, make the original class collectible (pythonGH-136893) (python#136960) pythongh-135228: When @DataClass(slots=True) replaces a dataclass, make the original class collectible (pythonGH-136893) An interesting hack, but more localized in scope than pythonGH-135230. This may be a breaking change if people intentionally keep the original class around when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the original class. (cherry picked from commit 46cbdf9) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
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This is not a great idea but I want to see what the test suite says.