Move contrib/tools/jdk to build/platform/java/jdk/testing

1 files changed, 514 insertions, 0 deletions

diff --git a/library/cpp/pybind/v2.h b/library/cpp/pybind/v2.h
new file mode 100644
index 0000000000..f561d6a380
--- /dev/null
+++ b/library/cpp/pybind/v2.h
@@ -0,0 +1,514 @@
+#pragma once
+
+#include <library/cpp/pybind/method.h>
+#include <library/cpp/pybind/typedesc.h>
+#include <library/cpp/pybind/module.h>
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/string.h>
+namespace NPyBind {
+#define DEFINE_CONVERTERS_IMPL(TClass)                            \
+    PyObject* BuildPyObject(typename TClass::TBase&& base) {      \
+        return TClass::BuildPyObject(std::move(base));            \
+    }                                                             \
+    PyObject* BuildPyObject(const typename TClass::TBase& base) { \
+        return TClass::BuildPyObject(base);                       \
+    }
+
+#define DEFINE_CONVERTERS(function) DEFINE_CONVERTERS_IMPL(TFunctionResult<decltype(function)>)
+
+#define DEFINE_TRANSFORMERS_IMPL(TClass)                                                                              \
+    template <>                                                                                                       \
+    bool ::NPyBind::FromPyObject<typename TClass::TBase*>(PyObject * obj, typename TClass::TBase * &res) {            \
+        res = TClass::CastToObject(obj);                                                                              \
+        return res != nullptr;                                                                                        \
+    }                                                                                                                 \
+    template <>                                                                                                       \
+    bool ::NPyBind::FromPyObject<typename TClass::TBase const*>(PyObject * obj, typename TClass::TBase const*& res) { \
+        res = TClass::CastToObject(obj);                                                                              \
+        return res != nullptr;                                                                                        \
+    }
+
+#define DEFINE_TRANSFORMERS(function) DEFINE_TRANSFORMERS_IMPL(TFunctionResult<decltype(function)>)
+
+    namespace Detail {
+        struct IGetContextBase {
+            virtual ~IGetContextBase() = default;
+        };
+    } //Detail
+    struct TPyModuleDefinition {
+        static void InitModule(const TString& name);
+        static TPyModuleDefinition& GetModule();
+
+        TString Name;
+        NPyBind::TPyObjectPtr M;
+        THashMap<TString, PyTypeObject*> ClassName2Type;
+        THashMap<TString, Detail::IGetContextBase*> Class2ContextGetter;
+    };
+
+    namespace Detail {
+        // Manages modules lifecycle
+        // IMPORTANT!!! Don't use it in PyBind v1 environment, it will lead to inconsistent state of v1 module
+        // UnnamedModule-> new unnamed module stub, this stub become current module. In this case you can add functions to it
+        // InitModuleWithName -> convert unnamed module into named one, now you can switch to it in switch, this module remains current
+        // SwitchToModule switches to the particular module in registry, this module becomes current.
+        class TPyModuleRegistry {
+        private:
+            TPyModuleRegistry();
+            TPyModuleRegistry(const TPyModuleRegistry&) = delete;
+            TPyModuleRegistry& operator=(TPyModuleRegistry&) = delete;
+        public:
+            static TPyModuleRegistry& Get() {
+                static TPyModuleRegistry registry;
+                return registry;
+            }
+            TPyModuleDefinition& GetCurrentModule() {
+                if (!CurrentModule) {
+                    GetUnnamedModule();
+                }
+                return *CurrentModule;
+            }
+
+            TPyModuleDefinition& GetUnnamedModule() {
+                if (!UnnamedModule) {
+                    UnnamedModule = TPyModuleDefinition();
+                    CurrentModule = const_cast<TPyModuleDefinition*>(UnnamedModule.Get());
+                }
+                return *UnnamedModule;
+            }
+
+            TPyModuleDefinition& InitModuleWithName(const TString& name) {
+                if (!UnnamedModule) {
+                    GetUnnamedModule();
+                }
+                Name2Def[name] = *UnnamedModule;
+                UnnamedModule.Clear();
+                CurrentModule = &Name2Def[name];
+                return *CurrentModule;
+            }
+
+            TPyModuleDefinition& SwitchToModuleByName(const TString& name) {
+                Y_ENSURE(Name2Def.contains(name));
+                Y_ENSURE(UnnamedModule.Empty());
+                CurrentModule = &Name2Def[name];
+                return *CurrentModule;
+            }
+        private:
+            TPyModuleDefinition* CurrentModule = nullptr;
+            TMaybe<TPyModuleDefinition> UnnamedModule;//
+            THashMap<TString, TPyModuleDefinition> Name2Def;
+        };
+    }//Detail
+
+    inline void TPyModuleDefinition::InitModule(const TString& name) {
+        Detail::TPyModuleRegistry::Get().GetUnnamedModule() = TPyModuleDefinition{name, TModuleHolder::Instance().InitModule(name), {}, {}};
+        Detail::TPyModuleRegistry::Get().InitModuleWithName(name);
+    }
+
+    inline TPyModuleDefinition& TPyModuleDefinition::GetModule() {
+        return Detail::TPyModuleRegistry::Get().GetCurrentModule();
+    }
+
+    namespace Detail {
+        template <class TPythonType>
+        struct TNameCtx {
+            TString ClassShortName;
+            static TNameCtx& GetNameCtx() {
+                static TNameCtx result;
+                return result;
+            }
+        };
+        template <class TBase>
+        struct TContextImpl {
+            PyTypeObject* ParentType = nullptr;
+            TString ClassShortName;
+            TString ClassFullName;
+            TString ClassDescription;
+
+
+            TVector<std::pair<TString, typename TPythonTypeAttributes<TBase>::TCallerPtr>> ListCallers;
+            TVector<std::pair<TString, typename TPythonTypeAttributes<TBase>::TGetterPtr>> ListGetters;
+            TVector<std::pair<TString, typename TPythonTypeAttributes<TBase>::TSetterPtr>> ListSetters;
+        };
+
+        template <class TObject>
+        struct IGetContext: public IGetContextBase {
+            virtual ~IGetContext() = default;
+            virtual const TContextImpl<TObject>& GetContext() const = 0;
+        };
+
+        template <typename THolderClass, typename TBaseClass, bool ShouldEnable, typename=std::enable_if_t<!ShouldEnable || !std::is_default_constructible_v<TBaseClass>>>
+        THolderClass* DoInitPureObject(const TVector<TString>&) {
+            ythrow yexception() << "Can't create this object in pure mode from python";
+        }
+
+        template <typename THolderClass, typename TBaseClass, bool ShouldEnable, typename=std::enable_if_t<ShouldEnable && std::is_default_constructible_v<TBaseClass>>, typename=void>
+        THolderClass* DoInitPureObject(const TVector<TString>&) {
+            return new THolderClass(MakeHolder<TBaseClass>());
+        }
+
+        template <typename T>
+        PyTypeObject* GetParentType(const TPyModuleDefinition& m) {
+            auto shortName = Detail::TNameCtx<T>::GetNameCtx().ClassShortName;
+            auto it = m.ClassName2Type.find(shortName);
+            return (it == m.ClassName2Type.end()) ? nullptr : it->second;
+        }
+
+        template <>
+        PyTypeObject* GetParentType<void>(const TPyModuleDefinition&);
+
+        template <bool InitEnabled>
+        void UpdateClassNamesInModule(TPyModuleDefinition& M, const TString& name, PyTypeObject* pythonType);
+
+        template <bool InitEnabled>
+        void UpdateGetContextInModule(TPyModuleDefinition& M, const TString& name, IGetContextBase* base);
+    }
+
+
+    template <class TParentPyClass_=void>
+    struct TPyParentClassTraits {
+        using TParentPyClass = TParentPyClass_;
+    };
+
+    template <bool InitEnabled_, class TParentPyClass_=void>
+    struct TPyClassConfigTraits: public TPyParentClassTraits<TParentPyClass_> {
+        constexpr static bool InitEnabled = InitEnabled_;
+        constexpr static bool RawInit = false;
+    };
+
+    template <class TParentPyClass_=void>
+    struct TPyClassRawInitConfigTraits: public TPyParentClassTraits<TParentPyClass_> {
+        constexpr static bool InitEnabled = true;
+        constexpr static bool RawInit = true;
+    };
+
+
+    template <typename TBaseClass, typename TPyClassConfigTraits, typename... ConstructorArgs>
+    class TPyClass  {
+    public:
+        using TBase = TBaseClass;
+    private:
+        using TThisClass = TPyClass<TBaseClass, TPyClassConfigTraits, ConstructorArgs...>;
+        using TContext = Detail::TContextImpl<TBase>;
+        struct THolder {
+            ::THolder<TBase> Holder;
+            THolder(::THolder<TBase>&& right)
+                : Holder(std::move(right))
+            {
+            }
+            THolder(TBase&& right)
+                : Holder(MakeHolder<TBase>(std::move(right)))
+            {
+            }
+        };
+
+        class TSelectedTraits: public NPyBind::TPythonType<THolder, TBase, TSelectedTraits> {
+        private:
+            using TParent = NPyBind::TPythonType<THolder, TBase, TSelectedTraits>;
+            friend TParent;
+
+        public:
+            TSelectedTraits()
+                : TParent(TThisClass::GetContext().ClassFullName.data(), TThisClass::GetContext().ClassDescription.data(), TThisClass::GetContext().ParentType)
+            {
+                for (const auto& caller : TThisClass::GetContext().ListCallers) {
+                    TParent::AddCaller(caller.first, caller.second);
+                }
+
+                for (const auto& getter : TThisClass::GetContext().ListGetters) {
+                    TParent::AddGetter(getter.first, getter.second);
+                }
+
+                for (const auto& setter : TThisClass::GetContext().ListSetters) {
+                    TParent::AddSetter(setter.first, setter.second);
+                }
+            }
+
+            static TBase* GetObject(const THolder& holder) {
+                return holder.Holder.Get();
+            }
+
+            static THolder* DoInitObject(PyObject* args, PyObject* kwargs) {
+                if constexpr (TPyClassConfigTraits::InitEnabled) {
+                    if constexpr (TPyClassConfigTraits::RawInit) {
+                        static_assert(sizeof...(ConstructorArgs) == 0, "Do not pass construction args if use RawInit.");
+                        return new THolder(::MakeHolder<TBase>(args, kwargs));
+                    } else {
+                        if (args && (!PyTuple_Check(args) || PyTuple_Size(args) != sizeof...(ConstructorArgs))) {
+                            ythrow yexception() << "Method takes " << sizeof...(ConstructorArgs) << " arguments, " << PyTuple_Size(args) << " provided";
+                        }
+                        ::THolder<TBaseClass> basePtr{Apply([](auto&&... unpackedArgs) {return new TBase(std::forward<decltype(unpackedArgs)>(unpackedArgs)...); }, GetArguments<ConstructorArgs...>(args))};
+                        return new THolder(std::move(basePtr));
+                    }
+                } else {
+                    ythrow yexception() << "Can't create this object from python";
+                }
+            }
+
+            static THolder* DoInitPureObject(const TVector<TString>& properties) {
+                return Detail::DoInitPureObject<THolder, TBase, TPyClassConfigTraits::InitEnabled>(properties);
+            }
+
+            static TBase* CastToObject(PyObject* obj) {
+                return TParent::CastToObject(obj);
+            }
+
+            static PyTypeObject* GetType() {
+                return TParent::GetPyTypePtr();
+            }
+        };
+
+        class TContextHolder: public Detail::IGetContext<TBaseClass> {
+        public:
+            static TContextHolder& GetContextHolder() {
+                static TContextHolder holder;
+                return holder;
+            }
+
+            TContext& GetContext() {
+                return Context;
+            }
+            const TContext& GetContext() const override {
+                return Context;
+            }
+        private:
+            TContext Context;
+        };
+
+        template <class TDerivedClass, class TSuperClass>
+        class TCallerWrapper: public TBaseMethodCaller<TDerivedClass> {
+        public:
+            explicit TCallerWrapper(TSimpleSharedPtr<const TBaseMethodCaller<TSuperClass>> baseCaller)
+                : BaseCaller(baseCaller) {
+                Y_ENSURE(BaseCaller);
+            }
+
+            bool CallMethod(PyObject* owner, TDerivedClass* self, PyObject* args, PyObject* kwargs, PyObject*& res) const override {
+                return BaseCaller->CallMethod(owner, static_cast<TSuperClass*>(self), args, kwargs, res);
+            }
+
+        private:
+            TSimpleSharedPtr<const TBaseMethodCaller<TSuperClass>> BaseCaller;
+        };
+
+        template <class TDerivedClass, class TSuperClass>
+        class TSetterWrapper: public TBaseAttrSetter<TDerivedClass> {
+        public:
+            explicit TSetterWrapper(TSimpleSharedPtr<TBaseAttrSetter<TSuperClass>> baseSetter)
+                : BaseSetter(baseSetter) {
+                Y_ENSURE(BaseSetter);
+            }
+
+            bool SetAttr(PyObject* owner, TDerivedClass& self, const TString& attr, PyObject* val) override {
+                return BaseSetter->SetAttr(owner, static_cast<TSuperClass&>(self), attr, val);
+            }
+
+        private:
+            TSimpleSharedPtr<TBaseAttrSetter<TSuperClass>> BaseSetter;
+        };
+
+        template <class TDerivedClass, class TSuperClass>
+        class TGetterWrapper: public TBaseAttrGetter<TDerivedClass> {
+        public:
+            explicit TGetterWrapper(TSimpleSharedPtr<const TBaseAttrGetter<TSuperClass>> baseGetter)
+                : BaseGetter(baseGetter) {
+                Y_ENSURE(BaseGetter);
+            }
+
+            bool GetAttr(PyObject* owner, const TDerivedClass& self, const TString& attr, PyObject*& res) const override {
+                return BaseGetter->GetAttr(owner, static_cast<const TSuperClass&>(self), attr, res);
+            }
+
+        private:
+            TSimpleSharedPtr<const TBaseAttrGetter<TSuperClass>> BaseGetter;
+        };
+
+        template <class TSuperClass, typename=std::enable_if_t<!std::is_same_v<TSuperClass, void>>>
+        void ReloadAttrsFromBase() {
+            auto shortName = Detail::TNameCtx<TSuperClass>::GetNameCtx().ClassShortName;
+            if (!M.Class2ContextGetter.count(shortName)) {
+                return;
+            }
+            auto callerBasePtr = M.Class2ContextGetter[shortName];
+            if (auto getContextPtr = dynamic_cast<const Detail::IGetContext<TSuperClass>*>(callerBasePtr)) {
+                auto& ctx = getContextPtr->GetContext();
+                auto getUniqueNames = [](const auto& collection) {
+                    THashSet<TString> uniqueNames;
+                    for (const auto& elem : collection) {
+                        uniqueNames.insert(elem.first);
+                    }
+                    return uniqueNames;
+                };
+
+                auto uniqueCallerNames = getUniqueNames(GetContext().ListCallers);
+                using TConcreteCallerWrapper = TCallerWrapper<TBaseClass, TSuperClass>;
+                for (const auto& caller : ctx.ListCallers) {
+                    if (uniqueCallerNames.contains(caller.first)) {
+                        continue;
+                    }
+                    GetContext().ListCallers.push_back(std::make_pair(caller.first, MakeSimpleShared<TConcreteCallerWrapper>(caller.second)));
+                }
+
+                auto uniqueGettersNames = getUniqueNames(GetContext().ListGetters);
+                using TConcreteGetterWrapper = TGetterWrapper<TBaseClass, TSuperClass>;
+                for (const auto& getter : ctx.ListGetters) {
+                    if (uniqueGettersNames.contains(getter.first)) {
+                        continue;
+                    }
+                    GetContext().ListGetters.push_back(std::make_pair(getter.first, MakeSimpleShared<TConcreteGetterWrapper>(getter.second)));
+                }
+
+                auto uniqueSetterNames = getUniqueNames(GetContext().ListSetters);
+                using TConcreteSetterWrapper = TSetterWrapper<TBaseClass, TSuperClass>;
+                for (auto& setter : ctx.ListSetters) {
+                    if (uniqueSetterNames.contains(setter.first)) {
+                        continue;
+                    }
+                    GetContext().ListSetters.push_back(std::make_pair(setter.first, MakeSimpleShared<TConcreteSetterWrapper>(setter.second)));
+                }
+            }
+        }
+
+        template <class TSuperClass, typename=std::enable_if_t<std::is_same_v<TSuperClass, void>>, typename=void>
+        void ReloadAttrsFromBase() {
+        }
+
+        void CompleteImpl() {
+            ReloadAttrsFromBase<typename TPyClassConfigTraits::TParentPyClass>();
+            TSelectedTraits::Instance().Register(M.M, GetContext().ClassShortName);
+        }
+
+        static TContext& GetContext() {
+            return TContextHolder::GetContextHolder().GetContext();
+        }
+
+
+        friend struct Detail::TContextImpl<TBase>;//instead of context
+        friend struct THolder;
+        friend class TSelectedTraits;
+
+        using TCallerFunc = std::function<bool(PyObject*, TBaseClass*, PyObject*, PyObject*, PyObject*&)>;
+        class TFuncCallerWrapper: public TBaseMethodCaller<TBaseClass> {
+        public:
+            explicit TFuncCallerWrapper(TCallerFunc func)
+                : Func(func) {
+                Y_ENSURE(func);
+            }
+
+            bool CallMethod(PyObject* owner, TBaseClass* self, PyObject* args, PyObject* kwargs, PyObject*& res) const override {
+                return Func(owner, self, args, kwargs, res);
+            }
+        private:
+            mutable TCallerFunc Func;
+        };
+    public:
+        TPyClass(const TString& name, const TString& descr = "")
+            : M(TPyModuleDefinition::GetModule())
+        {
+            Detail::UpdateClassNamesInModule<TPyClassConfigTraits::InitEnabled>(M, name, TSelectedTraits::GetType());
+            Detail::UpdateGetContextInModule<TPyClassConfigTraits::InitEnabled>(M, name, &TContextHolder::GetContextHolder());
+
+            GetContext().ClassFullName = TString::Join(M.Name, ".", name);
+            GetContext().ClassShortName = name;
+            GetContext().ClassDescription = descr;
+            GetContext().ParentType = Detail::GetParentType<typename TPyClassConfigTraits::TParentPyClass>(M);
+            Detail::TNameCtx<TBaseClass>::GetNameCtx().ClassShortName = name;
+        }
+
+        template <typename TMemberFuction, typename = std::enable_if_t<std::is_member_function_pointer_v<TMemberFuction>>, typename=std::enable_if_t<!TIsPointerToConstMemberFunction<TMemberFuction>::value>>
+        TThisClass& Def(const TString& name, TMemberFuction t) {
+            GetContext().ListCallers.push_back(std::make_pair(name, CreateMethodCaller<TBase>(t)));
+            return *this;
+        }
+
+        template <typename TMemberFuction, typename = std::enable_if_t<std::is_member_function_pointer_v<TMemberFuction>>, typename=std::enable_if_t<TIsPointerToConstMemberFunction<TMemberFuction>::value>, typename=void>
+        TThisClass& Def(const TString& name, TMemberFuction t) {
+            GetContext().ListCallers.push_back(std::make_pair(name, CreateConstMethodCaller<TBase>(t)));
+            return *this;
+        }
+
+        template <typename TMemberObject, typename = std::enable_if_t<std::is_member_object_pointer_v<TMemberObject>>>
+        TThisClass& Def(const TString& name, TMemberObject t)  {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateAttrGetter<TBase>(t)));
+            GetContext().ListSetters.push_back(std::make_pair(name, CreateAttrSetter<TBase>(t)));
+            return *this;
+        }
+
+        template <typename TResultType, typename... Args>
+        TThisClass& DefByFunc(const TString& name, std::function<TResultType(TBaseClass&, Args...)> func) {
+            GetContext().ListCallers.push_back(std::make_pair(name, CreateFunctorCaller<TBase, TResultType, Args...>(func)));
+            return *this;
+        }
+
+        TThisClass& DefByFunc(const TString& name, TCallerFunc origFunc) {
+            GetContext().ListCallers.push_back(std::make_pair(name, MakeSimpleShared<TFuncCallerWrapper>(origFunc)));
+            return *this;
+        }
+
+        template <typename TMemberObject>
+        TThisClass& DefReadonly(const TString& name, TMemberObject t, std::enable_if_t<std::is_member_object_pointer<TMemberObject>::value>* = nullptr) {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateAttrGetter<TBase>(t)));
+            return *this;
+        }
+
+
+        template <typename TMethodGetter, typename TMethodSetter, typename=std::enable_if_t<std::is_member_function_pointer_v<TMethodGetter> && std::is_member_function_pointer_v<TMethodSetter>>>
+        TThisClass& AsProperty(const TString& name, TMethodGetter getter, TMethodSetter setter) {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateMethodAttrGetter<TBase>(getter)));
+            GetContext().ListSetters.push_back(std::make_pair(name, CreateMethodAttrSetter<TBase>(setter)));
+            return *this;
+        }
+
+        template <typename TMethodGetter, typename TMethodSetter, typename=std::enable_if_t<!std::is_member_function_pointer_v<TMethodGetter> && !std::is_member_function_pointer_v<TMethodSetter>>>
+        TThisClass& AsPropertyByFunc(const TString& name, TMethodGetter getter, TMethodSetter setter) {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateFunctorAttrGetter<TBase>(getter)));
+            GetContext().ListSetters.push_back(std::make_pair(name, CreateFunctorAttrSetter<TBase>(setter)));
+            return *this;
+        }
+
+        template <typename TMethodGetter, typename=std::enable_if_t<std::is_member_function_pointer_v<TMethodGetter>>>
+        TThisClass& AsProperty(const TString& name, TMethodGetter getter) {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateMethodAttrGetter<TBase>(getter)));
+            return *this;
+        }
+
+        template <typename TMethodGetter>
+        TThisClass& AsPropertyByFunc(const TString& name, TMethodGetter getter) {
+            GetContext().ListGetters.push_back(std::make_pair(name, CreateFunctorAttrGetter<TBase>(getter)));
+            return *this;
+        }
+
+        TThisClass& Complete() {
+            if (!Completed) {
+                CompleteImpl();
+                Completed = true;
+            }
+            return *this;
+        }
+
+    public:
+        static PyObject* BuildPyObject(TBase&& base) {
+            return NPyBind::BuildPyObject(TSelectedTraits::Instance().CreatePyObject(new THolder(std::move(base))));
+        }
+
+        static PyObject* BuildPyObject(const TBase& base) {
+            return NPyBind::BuildPyObject(TSelectedTraits::Instance().CreatePyObject(new THolder(TBase(base)))); // WARN - copy
+        }
+
+        static TBase* CastToObject(PyObject* obj) {
+            return TSelectedTraits::CastToObject(obj);
+        }
+
+    private:
+        TPyModuleDefinition& M;
+        bool Completed = false;
+    };
+
+    template <typename TFunctionSignature, TFunctionSignature function>
+    void DefImpl(const TString& name, const TString& descr = "") {
+        NPyBind::TModuleHolder::Instance().AddModuleMethod<TModuleMethodCaller<TFunctionSignature, function>::Call>(name, descr);
+    }
+
+#define DefFunc(NAME, FUNC) NPyBind::DefImpl<decltype(FUNC), FUNC>(NAME)
+#define DefFuncDescr(NAME, FUNC, DESCR) NPyBind::DefImpl<decltype(FUNC), FUNC>(NAME, DESCR)
+};