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 improve-tests

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pystring.cs

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using System;

namespace Python.Runtime

{

/// <summary>

/// Represents a Python (ansi) string object. See the documentation at

/// http://www.python.org/doc/current/api/stringObjects.html for details.

/// 2011-01-29: ...Then why does the string constructor call PyUnicode_FromUnicode()???

/// </summary>

public class PyString : PySequence

{

/// <summary>

/// PyString Constructor

/// </summary>

///

/// <remarks>

/// Creates a new PyString from an existing object reference. Note

/// that the instance assumes ownership of the object reference.

/// The object reference is not checked for type-correctness.

/// </remarks>

public PyString(IntPtr ptr) : base(ptr)

{

}

/// <summary>

/// PyString Constructor

/// </summary>

///

/// <remarks>

/// Copy constructor - obtain a PyString from a generic PyObject.

/// An ArgumentException will be thrown if the given object is not

/// a Python string object.

/// </remarks>

public PyString(PyObject o) : base()

{

if (!IsStringType(o))

{

throw new ArgumentException("object is not a string");

}

Runtime.XIncref(o.obj);

obj = o.obj;

}

/// <summary>

/// PyString Constructor

/// </summary>

///

/// <remarks>

/// Creates a Python string from a managed string.

/// </remarks>

public PyString(string s) : base()

{

obj = Runtime.PyUnicode_FromUnicode(s, s.Length);

if (obj == IntPtr.Zero)

{

throw new PythonException();

}

}

/// <summary>

/// IsStringType Method

/// </summary>

///

/// <remarks>

/// Returns true if the given object is a Python string.

/// </remarks>

public static bool IsStringType(PyObject value)

{

return Runtime.PyString_Check(value.obj);

}

}

}