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Merge pull request #1908 from gevent/jam-py311-wip
Python 3.11rc2 support
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,18 @@ | ||
| Added preliminary support for Python 3.11 (rc2 and later). | ||
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| Some platforms may or may not have binary wheels at this time. | ||
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| .. important:: Support for legacy versions of Python, including 2.7 | ||
| and 3.6, will be ending soon. The | ||
| maintenance burden has become too great and the | ||
| maintainer's time is too limited. | ||
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| Ideally, there will be a release of gevent compatible | ||
| with a final release of greenlet 2.0 that still | ||
| supports those legacy versions, but that may not be | ||
| possible; this may be the final release to support them. | ||
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| :class:`gevent.threadpool.ThreadPool` can now optionally expire idle | ||
| threads. This is used by default in the implicit thread pool used for | ||
| DNS requests and other user-submitted tasks; other uses of a | ||
| thread-pool need to opt-in to this. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,95 @@ | ||
| #ifndef _COMPAT_H | ||
| #define _COMPAT_H | ||
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| /** | ||
| * Compatibility helpers for things that are better handled at C | ||
| * compilation time rather than Cython code generation time. | ||
| */ | ||
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| #include <Python.h> | ||
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| #ifdef __clang__ | ||
| #pragma clang diagnostic push | ||
| #pragma clang diagnostic ignored "-Wunused-function" | ||
| #endif | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| #if PY_VERSION_HEX >= 0x30B00A6 | ||
| # define GEVENT_PY311 1 | ||
| #else | ||
| # define GEVENT_PY311 0 | ||
| # define _PyCFrame CFrame | ||
| #endif | ||
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| /* FrameType and CodeType changed a lot in 3.11. */ | ||
| #if GREENLET_PY311 | ||
| /* _PyInterpreterFrame moved to the internal C API in Python 3.11 */ | ||
| # include <internal/pycore_frame.h> | ||
| #else | ||
| #include <frameobject.h> | ||
| #if PY_MAJOR_VERSION < 3 || (PY_MAJOR_VERSION >= 3 && PY_MINOR_VERSION < 9) | ||
| /* these were added in 3.9, though they officially became stable in 3.10 */ | ||
| /* the official versions of these functions return strong references, so we | ||
| need to increment the refcount before returning, not just to match the | ||
| official functions, but to match what Cython expects an API like this to | ||
| return. Otherwise we get crashes. */ | ||
| static PyObject* PyFrame_GetBack(PyFrameObject* frame) | ||
| { | ||
| PyObject* result = (PyObject*)((PyFrameObject*)frame)->f_back; | ||
| Py_XINCREF(result); | ||
| return result; | ||
| } | ||
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| static PyObject* PyFrame_GetCode(PyFrameObject* frame) | ||
| { | ||
| PyObject* result = (PyObject*)((PyFrameObject*)frame)->f_code; | ||
| /* There is always code! */ | ||
| Py_INCREF(result); | ||
| return result; | ||
| } | ||
| #endif /* support 3.8 and below. */ | ||
| #endif | ||
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| /** | ||
| Unlike PyFrame_GetBack, which can return NULL, | ||
| this method is guaranteed to return a new reference to an object. | ||
| The object is either a frame object or None. | ||
| This is necessary to help Cython deal correctly with reference counting. | ||
| (There are other ways of dealing with this having to do with exactly how | ||
| variables/return types are declared IIRC, but this is the most | ||
| straightforward. Still, it is critical that the cython declaration of | ||
| this function use ``object`` as its return type.) | ||
| */ | ||
| static PyObject* Gevent_PyFrame_GetBack(PyObject* frame) | ||
| { | ||
| PyObject* back = (PyObject*)PyFrame_GetBack((PyFrameObject*)frame); | ||
| if (back) { | ||
| return back; | ||
| } | ||
| Py_RETURN_NONE; | ||
| } | ||
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| /* These are just for typing purposes to appease the compiler. */ | ||
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| static int Gevent_PyFrame_GetLineNumber(PyObject* o) | ||
| { | ||
| return PyFrame_GetLineNumber((PyFrameObject*)o); | ||
| } | ||
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| static PyObject* Gevent_PyFrame_GetCode(PyObject* o) | ||
| { | ||
| return (PyObject*)PyFrame_GetCode((PyFrameObject*)o); | ||
| } | ||
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| #ifdef __cplusplus | ||
| } | ||
| #ifdef __clang__ | ||
| #pragma clang diagnostic pop | ||
| #endif | ||
| #endif | ||
| #endif /* _COMPAT_H */ |
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