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AddedToPythonAs<T>() extension method to allow for explicit conversion using a specific type (#2330)

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`@@ -9,6 +9,8 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].`
`9`	`9`
`10`	`10`	`###Added`
`11`	`11`
	`12`	+- Added`ToPythonAs<T>()` extension method to allow for explicit conversion using a specific type. ([#2311][i2311])
	`13`	`+`
`12`	`14`	`###Changed`
`13`	`15`
`14`	`16`	`###Fixed`
`@@ -960,3 +962,4 @@ This version improves performance on benchmarks significantly compared to 2.3.`
`960`	`962`	`[i238]:https://github.com/pythonnet/pythonnet/issues/238`
`961`	`963`	`[i1481]:https://github.com/pythonnet/pythonnet/issues/1481`
`962`	`964`	`[i1672]:https://github.com/pythonnet/pythonnet/pull/1672`
	`965`	`+[i2311]:https://github.com/pythonnet/pythonnet/issues/2311`

Lines changed: 9 additions & 0 deletions

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`@@ -185,6 +185,15 @@ public void RawPyObjectProxy()`
`185`	`185`	`Assert.AreEqual(pyObject.DangerousGetAddressOrNull(),proxiedHandle);`
`186`	`186`	`}`
`187`	`187`
	`188`	`+[Test]`
	`189`	`+publicvoidGenericToPython()`
	`190`	`+{`
	`191`	`+inti=42;`
	`192`	`+varpyObject=i.ToPythonAs<IConvertible>();`
	`193`	`+vartype=pyObject.GetPythonType();`
	`194`	`+Assert.AreEqual(nameof(IConvertible),type.Name);`
	`195`	`+}`
	`196`	`+`
`188`	`197`	`// regression for https://github.com/pythonnet/pythonnet/issues/451`
`189`	`198`	`[Test]`
`190`	`199`	`publicvoidCanGetListFromDerivedClass()`

Lines changed: 9 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,8 @@ internal static NewReference ToPython(object? value, Type type)`
`133`	`133`	`if(EncodableByUser(type,value))`
`134`	`134`	`{`
`135`	`135`	`varencoded=PyObjectConversions.TryEncode(value,type);`
`136`		`-if(encoded!=null){`
	`136`	`+if(encoded!=null)`
	`137`	`+{`
`137`	`138`	`returnnewNewReference(encoded);`
`138`	`139`	`}`
`139`	`140`	`}`
`@@ -334,7 +335,7 @@ internal static bool ToManagedValue(BorrowedReference value, Type obType,`
`334`	`335`
`335`	`336`	`if(obType.IsGenericType&&obType.GetGenericTypeDefinition()==typeof(Nullable<>))`
`336`	`337`	`{`
`337`		`-if(value==Runtime.PyNone)`
	`338`	`+if(value==Runtime.PyNone)`
`338`	`339`	`{`
`339`	`340`	`result=null;`
`340`	`341`	`returntrue;`
`@@ -980,5 +981,11 @@ public static PyObject ToPython(this object? o)`
`980`	`981`	`if(oisnull)returnRuntime.None;`
`981`	`982`	`returnConverter.ToPython(o,o.GetType()).MoveToPyObject();`
`982`	`983`	`}`
	`984`	`+`
	`985`	`+publicstaticPyObjectToPythonAs<T>(thisT?o)`
	`986`	`+{`
	`987`	`+if(oisnull)returnRuntime.None;`
	`988`	`+returnConverter.ToPython(o,typeof(T)).MoveToPyObject();`
	`989`	`+}`
`983`	`990`	`}`
`984`	`991`	`}`

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