diff --git a/venv/Lib/site-packages/greenlet/CObjects.cpp b/venv/Lib/site-packages/greenlet/CObjects.cpp new file mode 100644 index 0000000..ec89208 --- /dev/null +++ b/venv/Lib/site-packages/greenlet/CObjects.cpp @@ -0,0 +1,161 @@ +#ifndef COBJECTS_CPP +#define COBJECTS_CPP +/***************************************************************************** + * C interface + * + * These are exported using the CObject API + */ +#ifdef __clang__ +# pragma clang diagnostic push +# pragma clang diagnostic ignored "-Wunused-function" +#endif + +#include "greenlet_exceptions.hpp" + +#include "greenlet_internal.hpp" +#include "greenlet_refs.hpp" + + +#include "TThreadStateDestroy.cpp" + +#include "PyGreenlet.hpp" + +using greenlet::PyErrOccurred; +using greenlet::Require; + + + +extern "C" { +static PyGreenlet* +PyGreenlet_GetCurrent(void) +{ + if (greenlet::IsShuttingDown()) { + PyErr_SetString(PyExc_RuntimeError, "greenlet is being finalized"); + return nullptr; + } + return GET_THREAD_STATE().state().get_current().relinquish_ownership(); +} + +static int +PyGreenlet_SetParent(PyGreenlet* g, PyGreenlet* nparent) +{ + return green_setparent((PyGreenlet*)g, (PyObject*)nparent, NULL); +} + +static PyGreenlet* +PyGreenlet_New(PyObject* run, PyGreenlet* parent) +{ + using greenlet::refs::NewDictReference; + // In the past, we didn't use green_new and green_init, but that + // was a maintenance issue because we duplicated code. This way is + // much safer, but slightly slower. If that's a problem, we could + // refactor green_init to separate argument parsing from initialization. + OwnedGreenlet g = OwnedGreenlet::consuming(green_new(&PyGreenlet_Type, nullptr, nullptr)); + if (!g) { + return NULL; + } + + try { + NewDictReference kwargs; + if (run) { + kwargs.SetItem(mod_globs->str_run, run); + } + if (parent) { + kwargs.SetItem("parent", (PyObject*)parent); + } + + Require(green_init(g.borrow(), mod_globs->empty_tuple, kwargs.borrow())); + } + catch (const PyErrOccurred&) { + return nullptr; + } + + return g.relinquish_ownership(); +} + +static PyObject* +PyGreenlet_Switch(PyGreenlet* self, PyObject* args, PyObject* kwargs) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return NULL; + } + + if (args == NULL) { + args = mod_globs->empty_tuple; + } + + if (kwargs == NULL || !PyDict_Check(kwargs)) { + kwargs = NULL; + } + + return green_switch(self, args, kwargs); +} + +static PyObject* +PyGreenlet_Throw(PyGreenlet* self, PyObject* typ, PyObject* val, PyObject* tb) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return nullptr; + } + try { + PyErrPieces err_pieces(typ, val, tb); + return internal_green_throw(self, err_pieces).relinquish_ownership(); + } + catch (const PyErrOccurred&) { + return nullptr; + } +} + + + +static int +Extern_PyGreenlet_MAIN(PyGreenlet* self) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return -1; + } + return self->pimpl->main(); +} + +static int +Extern_PyGreenlet_ACTIVE(PyGreenlet* self) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return -1; + } + return self->pimpl->active(); +} + +static int +Extern_PyGreenlet_STARTED(PyGreenlet* self) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return -1; + } + return self->pimpl->started(); +} + +static PyGreenlet* +Extern_PyGreenlet_GET_PARENT(PyGreenlet* self) +{ + if (!PyGreenlet_Check(self)) { + PyErr_BadArgument(); + return NULL; + } + // This can return NULL even if there is no exception + return self->pimpl->parent().acquire(); +} +} // extern C. + +/** End C API ****************************************************************/ +#ifdef __clang__ +# pragma clang diagnostic pop +#endif + + +#endif diff --git a/venv/Lib/site-packages/greenlet/__init__.py b/venv/Lib/site-packages/greenlet/__init__.py new file mode 100644 index 0000000..e2f209a --- /dev/null +++ b/venv/Lib/site-packages/greenlet/__init__.py @@ -0,0 +1,62 @@ +# -*- coding: utf-8 -*- +""" +The root of the greenlet package. +""" + +__all__ = [ + '__version__', + '_C_API', + + 'GreenletExit', + 'error', + + 'getcurrent', + 'greenlet', + + 'gettrace', + 'settrace', +] + +# pylint:disable=no-name-in-module + +### +# Metadata +### +__version__ = '3.5.3' +from ._greenlet import _C_API # pylint:disable=no-name-in-module + +### +# Exceptions +### +from ._greenlet import GreenletExit +from ._greenlet import error + +### +# greenlets +### +from ._greenlet import getcurrent +from ._greenlet import greenlet + +### +# tracing +### +from ._greenlet import gettrace +from ._greenlet import settrace + +### +# Constants +# These constants aren't documented and aren't recommended. +# In 1.0, USE_GC and USE_TRACING are always true, and USE_CONTEXT_VARS +# is the same as ``sys.version_info[:2] >= 3.7`` +### +from ._greenlet import GREENLET_USE_CONTEXT_VARS # pylint:disable=unused-import +from ._greenlet import GREENLET_USE_GC # pylint:disable=unused-import +from ._greenlet import GREENLET_USE_TRACING # pylint:disable=unused-import + +# Controlling the use of the gc module. Provisional API for this greenlet +# implementation in 2.0. +from ._greenlet import CLOCKS_PER_SEC # pylint:disable=unused-import +from ._greenlet import enable_optional_cleanup # pylint:disable=unused-import +from ._greenlet import get_clocks_used_doing_optional_cleanup # pylint:disable=unused-import + +# Other APIS in the _greenlet module are for test support. diff --git a/venv/Lib/site-packages/greenlet/_greenlet.cp314-win_amd64.pyd b/venv/Lib/site-packages/greenlet/_greenlet.cp314-win_amd64.pyd new file mode 100644 index 0000000..c8acc09 Binary files /dev/null and b/venv/Lib/site-packages/greenlet/_greenlet.cp314-win_amd64.pyd differ diff --git a/venv/Lib/site-packages/greenlet/greenlet.cpp b/venv/Lib/site-packages/greenlet/greenlet.cpp new file mode 100644 index 0000000..b360335 --- /dev/null +++ b/venv/Lib/site-packages/greenlet/greenlet.cpp @@ -0,0 +1,324 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; -*- */ +/* Format with: + * clang-format -i --style=file src/greenlet/greenlet.c + * + * + * Fix missing braces with: + * clang-tidy src/greenlet/greenlet.c -fix -checks="readability-braces-around-statements" +*/ +#include +#include +#include +#include + + +#define PY_SSIZE_T_CLEAN +#include +#include "structmember.h" // PyMemberDef + +#include "greenlet_internal.hpp" +// Code after this point can assume access to things declared in stdint.h, +// including the fixed-width types. This goes for the platform-specific switch functions +// as well. +#include "greenlet_refs.hpp" +#include "greenlet_slp_switch.hpp" + +#include "greenlet_thread_support.hpp" +#include "TGreenlet.hpp" + +#include "TGreenletGlobals.cpp" + +#include "TGreenlet.cpp" +#include "TMainGreenlet.cpp" +#include "TUserGreenlet.cpp" +#include "TBrokenGreenlet.cpp" +#include "TExceptionState.cpp" +#include "TPythonState.cpp" +#include "TStackState.cpp" + +#include "TThreadState.hpp" +#include "TThreadStateCreator.hpp" +#include "TThreadStateDestroy.cpp" + +#include "PyGreenlet.cpp" +#include "PyGreenletUnswitchable.cpp" +#include "CObjects.cpp" + +using greenlet::LockGuard; +using greenlet::LockInitError; +using greenlet::PyErrOccurred; +using greenlet::Require; + +using greenlet::g_handle_exit; +using greenlet::single_result; + +using greenlet::Greenlet; +using greenlet::UserGreenlet; +using greenlet::MainGreenlet; +using greenlet::BrokenGreenlet; +using greenlet::ThreadState; +using greenlet::PythonState; + + + +// ******* Implementation of things from included files +template +greenlet::refs::_BorrowedGreenlet& greenlet::refs::_BorrowedGreenlet::operator=(const greenlet::refs::BorrowedObject& other) +{ + this->_set_raw_pointer(static_cast(other)); + return *this; +} + +template +inline greenlet::refs::_BorrowedGreenlet::operator Greenlet*() const noexcept +{ + if (!this->p) { + return nullptr; + } + return reinterpret_cast(this->p)->pimpl; +} + +template +greenlet::refs::_BorrowedGreenlet::_BorrowedGreenlet(const BorrowedObject& p) + : BorrowedReference(nullptr) +{ + + this->_set_raw_pointer(p.borrow()); +} + +template +inline greenlet::refs::_OwnedGreenlet::operator Greenlet*() const noexcept +{ + if (!this->p) { + return nullptr; + } + return reinterpret_cast(this->p)->pimpl; +} + + + +#ifdef __clang__ +# pragma clang diagnostic push +# pragma clang diagnostic ignored "-Wmissing-field-initializers" +# pragma clang diagnostic ignored "-Wwritable-strings" +#elif defined(__GNUC__) +# pragma GCC diagnostic push +// warning: ISO C++ forbids converting a string constant to ‘char*’ +// (The python APIs aren't const correct and accept writable char*) +# pragma GCC diagnostic ignored "-Wwrite-strings" +#endif + + +/*********************************************************** + +A PyGreenlet is a range of C stack addresses that must be +saved and restored in such a way that the full range of the +stack contains valid data when we switch to it. + +Stack layout for a greenlet: + + | ^^^ | + | older data | + | | + stack_stop . |_______________| + . | | + . | greenlet data | + . | in stack | + . * |_______________| . . _____________ stack_copy + stack_saved + . | | | | + . | data | |greenlet data| + . | unrelated | | saved | + . | to | | in heap | + stack_start . | this | . . |_____________| stack_copy + | greenlet | + | | + | newer data | + | vvv | + + +Note that a greenlet's stack data is typically partly at its correct +place in the stack, and partly saved away in the heap, but always in +the above configuration: two blocks, the more recent one in the heap +and the older one still in the stack (either block may be empty). + +Greenlets are chained: each points to the previous greenlet, which is +the one that owns the data currently in the C stack above my +stack_stop. The currently running greenlet is the first element of +this chain. The main (initial) greenlet is the last one. Greenlets +whose stack is entirely in the heap can be skipped from the chain. + +The chain is not related to execution order, but only to the order +in which bits of C stack happen to belong to greenlets at a particular +point in time. + +The main greenlet doesn't have a stack_stop: it is responsible for the +complete rest of the C stack, and we don't know where it begins. We +use (char*) -1, the largest possible address. + +States: + stack_stop == NULL && stack_start == NULL: did not start yet + stack_stop != NULL && stack_start == NULL: already finished + stack_stop != NULL && stack_start != NULL: active + +The running greenlet's stack_start is undefined but not NULL. + + ***********************************************************/ + + + + +/***********************************************************/ + +/* Some functions must not be inlined: + * slp_restore_state, when inlined into slp_switch might cause + it to restore stack over its own local variables + * slp_save_state, when inlined would add its own local + variables to the saved stack, wasting space + * slp_switch, cannot be inlined for obvious reasons + * g_initialstub, when inlined would receive a pointer into its + own stack frame, leading to incomplete stack save/restore + +g_initialstub is a member function and declared virtual so that the +compiler always calls it through a vtable. + +slp_save_state and slp_restore_state are also member functions. They +are called from trampoline functions that themselves are declared as +not eligible for inlining. +*/ + +extern "C" { +static int GREENLET_NOINLINE(slp_save_state_trampoline)(char* stackref) +{ + return switching_thread_state->slp_save_state(stackref); +} +static void GREENLET_NOINLINE(slp_restore_state_trampoline)() +{ + switching_thread_state->slp_restore_state(); +} +} + + +/***********************************************************/ + + +#include "PyModule.cpp" + + + +static PyObject* +greenlet_internal_mod_init() noexcept +{ + static void* _PyGreenlet_API[PyGreenlet_API_pointers]; + + try { + CreatedModule m(greenlet_module_def); + + Require(PyType_Ready(&PyGreenlet_Type)); + Require(PyType_Ready(&PyGreenletUnswitchable_Type)); + + mod_globs = new greenlet::GreenletGlobals; + ThreadState::init(); + + m.PyAddObject("greenlet", PyGreenlet_Type); + m.PyAddObject("UnswitchableGreenlet", PyGreenletUnswitchable_Type); + m.PyAddObject("error", mod_globs->PyExc_GreenletError); + m.PyAddObject("GreenletExit", mod_globs->PyExc_GreenletExit); + + m.PyAddObject("GREENLET_USE_GC", 1); + m.PyAddObject("GREENLET_USE_TRACING", 1); + m.PyAddObject("GREENLET_USE_CONTEXT_VARS", 1L); + m.PyAddObject("GREENLET_USE_STANDARD_THREADING", 1L); + + NewReference clocks_per_sec(Require(PyLong_FromSsize_t(CLOCKS_PER_SEC))); + m.PyAddObject("CLOCKS_PER_SEC", clocks_per_sec); + + /* also publish module-level data as attributes of the greentype. */ + // XXX: This is weird, and enables a strange pattern of + // confusing the class greenlet with the module greenlet; with + // the exception of (possibly) ``getcurrent()``, this + // shouldn't be encouraged so don't add new items here. + for (const char* const* p = copy_on_greentype; *p; p++) { + OwnedObject o = m.PyRequireAttr(*p); + Require(PyDict_SetItemString(PyGreenlet_Type.tp_dict, *p, o.borrow())); + } + + /* + * Expose C API + */ + + /* types */ + _PyGreenlet_API[PyGreenlet_Type_NUM] = (void*)&PyGreenlet_Type; + + /* exceptions */ + _PyGreenlet_API[PyExc_GreenletError_NUM] = (void*)mod_globs->PyExc_GreenletError; + _PyGreenlet_API[PyExc_GreenletExit_NUM] = (void*)mod_globs->PyExc_GreenletExit; + + /* methods */ + _PyGreenlet_API[PyGreenlet_New_NUM] = (void*)PyGreenlet_New; + _PyGreenlet_API[PyGreenlet_GetCurrent_NUM] = (void*)PyGreenlet_GetCurrent; + _PyGreenlet_API[PyGreenlet_Throw_NUM] = (void*)PyGreenlet_Throw; + _PyGreenlet_API[PyGreenlet_Switch_NUM] = (void*)PyGreenlet_Switch; + _PyGreenlet_API[PyGreenlet_SetParent_NUM] = (void*)PyGreenlet_SetParent; + + /* Previously macros, but now need to be functions externally. */ + _PyGreenlet_API[PyGreenlet_MAIN_NUM] = (void*)Extern_PyGreenlet_MAIN; + _PyGreenlet_API[PyGreenlet_STARTED_NUM] = (void*)Extern_PyGreenlet_STARTED; + _PyGreenlet_API[PyGreenlet_ACTIVE_NUM] = (void*)Extern_PyGreenlet_ACTIVE; + _PyGreenlet_API[PyGreenlet_GET_PARENT_NUM] = (void*)Extern_PyGreenlet_GET_PARENT; + + /* XXX: Note that our module name is ``greenlet._greenlet``, but for + backwards compatibility with existing C code, we need the _C_API to + be directly in greenlet. + */ + const NewReference c_api_object(Require( + PyCapsule_New( + (void*)_PyGreenlet_API, + "greenlet._C_API", + NULL))); + m.PyAddObject("_C_API", c_api_object); + assert(c_api_object.REFCNT() == 2); + + // cerr << "Sizes:" + // << "\n\tGreenlet : " << sizeof(Greenlet) + // << "\n\tUserGreenlet : " << sizeof(UserGreenlet) + // << "\n\tMainGreenlet : " << sizeof(MainGreenlet) + // << "\n\tExceptionState : " << sizeof(greenlet::ExceptionState) + // << "\n\tPythonState : " << sizeof(greenlet::PythonState) + // << "\n\tStackState : " << sizeof(greenlet::StackState) + // << "\n\tSwitchingArgs : " << sizeof(greenlet::SwitchingArgs) + // << "\n\tOwnedObject : " << sizeof(greenlet::refs::OwnedObject) + // << "\n\tBorrowedObject : " << sizeof(greenlet::refs::BorrowedObject) + // << "\n\tPyGreenlet : " << sizeof(PyGreenlet) + // << endl; + +#ifdef Py_GIL_DISABLED + PyUnstable_Module_SetGIL(m.borrow(), Py_MOD_GIL_NOT_USED); +#endif + + return m.borrow(); // But really it's the main reference. + } + catch (const LockInitError& e) { + PyErr_SetString(PyExc_MemoryError, e.what()); + return NULL; + } + catch (const PyErrOccurred&) { + return NULL; + } + +} + +extern "C" { + +PyMODINIT_FUNC +PyInit__greenlet(void) +{ + return greenlet_internal_mod_init(); +} + +}; // extern C + +#ifdef __clang__ +# pragma clang diagnostic pop +#elif defined(__GNUC__) +# pragma GCC diagnostic pop +#endif diff --git a/venv/Lib/site-packages/greenlet/greenlet.h b/venv/Lib/site-packages/greenlet/greenlet.h new file mode 100644 index 0000000..9cc3877 --- /dev/null +++ b/venv/Lib/site-packages/greenlet/greenlet.h @@ -0,0 +1,164 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; -*- */ + +/* Greenlet object interface */ + +#ifndef Py_GREENLETOBJECT_H +#define Py_GREENLETOBJECT_H + + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* This is deprecated and undocumented. It does not change. */ +#define GREENLET_VERSION "1.0.0" + +#ifndef GREENLET_MODULE +#define implementation_ptr_t void* +#endif + +typedef struct _greenlet { + PyObject_HEAD + PyObject* weakreflist; + PyObject* dict; + implementation_ptr_t pimpl; +} PyGreenlet; + +#define PyGreenlet_Check(op) (op && PyObject_TypeCheck(op, &PyGreenlet_Type)) + + +/* C API functions */ + +/* Total number of symbols that are exported */ +#define PyGreenlet_API_pointers 12 + +#define PyGreenlet_Type_NUM 0 +#define PyExc_GreenletError_NUM 1 +#define PyExc_GreenletExit_NUM 2 + +#define PyGreenlet_New_NUM 3 +#define PyGreenlet_GetCurrent_NUM 4 +#define PyGreenlet_Throw_NUM 5 +#define PyGreenlet_Switch_NUM 6 +#define PyGreenlet_SetParent_NUM 7 + +#define PyGreenlet_MAIN_NUM 8 +#define PyGreenlet_STARTED_NUM 9 +#define PyGreenlet_ACTIVE_NUM 10 +#define PyGreenlet_GET_PARENT_NUM 11 + +#ifndef GREENLET_MODULE +/* This section is used by modules that uses the greenlet C API */ +static void** _PyGreenlet_API = NULL; + +# define PyGreenlet_Type \ + (*(PyTypeObject*)_PyGreenlet_API[PyGreenlet_Type_NUM]) + +# define PyExc_GreenletError \ + ((PyObject*)_PyGreenlet_API[PyExc_GreenletError_NUM]) + +# define PyExc_GreenletExit \ + ((PyObject*)_PyGreenlet_API[PyExc_GreenletExit_NUM]) + +/* + * PyGreenlet_New(PyObject *args) + * + * greenlet.greenlet(run, parent=None) + */ +# define PyGreenlet_New \ + (*(PyGreenlet * (*)(PyObject * run, PyGreenlet * parent)) \ + _PyGreenlet_API[PyGreenlet_New_NUM]) + +/* + * PyGreenlet_GetCurrent(void) + * + * greenlet.getcurrent() + */ +# define PyGreenlet_GetCurrent \ + (*(PyGreenlet * (*)(void)) _PyGreenlet_API[PyGreenlet_GetCurrent_NUM]) + +/* + * PyGreenlet_Throw( + * PyGreenlet *greenlet, + * PyObject *typ, + * PyObject *val, + * PyObject *tb) + * + * g.throw(...) + */ +# define PyGreenlet_Throw \ + (*(PyObject * (*)(PyGreenlet * self, \ + PyObject * typ, \ + PyObject * val, \ + PyObject * tb)) \ + _PyGreenlet_API[PyGreenlet_Throw_NUM]) + +/* + * PyGreenlet_Switch(PyGreenlet *greenlet, PyObject *args) + * + * g.switch(*args, **kwargs) + */ +# define PyGreenlet_Switch \ + (*(PyObject * \ + (*)(PyGreenlet * greenlet, PyObject * args, PyObject * kwargs)) \ + _PyGreenlet_API[PyGreenlet_Switch_NUM]) + +/* + * PyGreenlet_SetParent(PyObject *greenlet, PyObject *new_parent) + * + * g.parent = new_parent + */ +# define PyGreenlet_SetParent \ + (*(int (*)(PyGreenlet * greenlet, PyGreenlet * nparent)) \ + _PyGreenlet_API[PyGreenlet_SetParent_NUM]) + +/* + * PyGreenlet_GetParent(PyObject* greenlet) + * + * return greenlet.parent; + * + * This could return NULL even if there is no exception active. + * If it does not return NULL, you are responsible for decrementing the + * reference count. + */ +# define PyGreenlet_GetParent \ + (*(PyGreenlet* (*)(PyGreenlet*)) \ + _PyGreenlet_API[PyGreenlet_GET_PARENT_NUM]) + +/* + * deprecated, undocumented alias. + */ +# define PyGreenlet_GET_PARENT PyGreenlet_GetParent + +# define PyGreenlet_MAIN \ + (*(int (*)(PyGreenlet*)) \ + _PyGreenlet_API[PyGreenlet_MAIN_NUM]) + +# define PyGreenlet_STARTED \ + (*(int (*)(PyGreenlet*)) \ + _PyGreenlet_API[PyGreenlet_STARTED_NUM]) + +# define PyGreenlet_ACTIVE \ + (*(int (*)(PyGreenlet*)) \ + _PyGreenlet_API[PyGreenlet_ACTIVE_NUM]) + + + + +/* Macro that imports greenlet and initializes C API */ +/* NOTE: This has actually moved to ``greenlet._greenlet._C_API``, but we + keep the older definition to be sure older code that might have a copy of + the header still works. */ +# define PyGreenlet_Import() \ + { \ + _PyGreenlet_API = (void**)PyCapsule_Import("greenlet._C_API", 0); \ + } + +#endif /* GREENLET_MODULE */ + +#ifdef __cplusplus +} +#endif +#endif /* !Py_GREENLETOBJECT_H */