/// <summary>
/// PyFloat Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python float from a string value.
/// </remarks>
public PyFloat(string value) : base() {
PyString s = new PyString(value);
obj = Runtime.PyFloat_FromString(s.obj, IntPtr.Zero);
if (obj == IntPtr.Zero) {
throw new PythonException();
}
}
private PyObject GetPythonActionContext(ActionContext context)
{
PyDict dict = new PyDict();
PyDict specialKeyStateDict = new PyDict();
specialKeyStateDict["CtrlPressed"] = new PyString(context.SpecialKeyState.CtrlPressed.ToString());
specialKeyStateDict["AltPressed"] = new PyString(context.SpecialKeyState.AltPressed.ToString());
specialKeyStateDict["WinPressed"] = new PyString(context.SpecialKeyState.WinPressed.ToString());
specialKeyStateDict["ShiftPressed"] = new PyString(context.SpecialKeyState.ShiftPressed.ToString());
dict["SpecialKeyState"] = specialKeyStateDict;
return dict;
}
// This method calls back into the CPython runtime - tests
// call this from Python to check that we don't hang on
// nested transitions from managed to Python code and back.
public static string CallEchoString(string arg) {
IntPtr gs = PythonEngine.AcquireLock();
if (module == null) {
module = PythonEngine.ModuleFromString("tt", testmod);
}
PyObject func = module.GetAttr("echostring");
PyString parg = new PyString(arg);
PyObject temp = func.Invoke(parg);
string result = (string)temp.AsManagedObject(typeof(String));
func.Dispose();
parg.Dispose();
temp.Dispose();
PythonEngine.ReleaseLock(gs);
return result;
}
/// <summary>
/// SetItem Method
/// </summary>
///
/// <remarks>
/// For objects that support the Python sequence or mapping protocols,
/// set the item at the given string index to the given value. This
/// method raises a PythonException if the set operation fails.
/// </remarks>
public virtual void SetItem(string key, PyObject value)
{
using (PyString pyKey = new PyString(key))
{
SetItem(pyKey, value);
}
}
/// <summary>
/// GetItem Method
/// </summary>
///
/// <remarks>
/// For objects that support the Python sequence or mapping protocols,
/// return the item at the given string index. This method raises a
/// PythonException if the indexing operation fails.
/// </remarks>
public virtual PyObject GetItem(string key)
{
using (PyString pyKey = new PyString(key))
{
return GetItem(pyKey);
}
}
/// <summary>
/// DelItem Method
/// </summary>
///
/// <remarks>
/// For objects that support the Python sequence or mapping protocols,
/// delete the item at the given string index. This method raises a
/// PythonException if the delete operation fails.
/// </remarks>
public virtual void DelItem(string key)
{
using (PyString pyKey = new PyString(key))
{
DelItem(pyKey);
}
}
public void TestUnicode()
{
PyObject s = new PyString("foo\u00e9");
Assert.AreEqual("foo\u00e9",s.ToString());
}
/// <summary>
/// HasKey Method
/// </summary>
///
/// <remarks>
/// Returns true if the string key appears in the dictionary.
/// </remarks>
public bool HasKey(string key)
{
using (PyString str = new PyString(key))
return HasKey(str);
}
private void OnBotCommandMessage(InvokeCommandMessage message)
{
string commandName = message.Command.Substring(1);
try
{
string args = "";
if (message.IrcEventArgs.Data.MessageArray.Length > 1)
args = string.Join(" ", message.IrcEventArgs.Data.MessageArray.Skip(1));
PyString param = new PyString(args);
IntPtr ptr = PythonEngine.AcquireLock();
module.SetAttr(new PyString("sys.argv"), new PyString("param"));
PyObject result = module.InvokeMethod(commandName, param);
PythonEngine.ReleaseLock(ptr);
hub.Publish<IrcSendMessage>(new IrcSendMessage(this, Meebey.SmartIrc4net.SendType.Message, message.IrcEventArgs.Data.Irc.Address, message.IrcEventArgs.Data.Channel, result.ToString()));
}
catch (Exception ex)
{
log.Debug("Could not invoke Python function", ex);
}
}
internal static IntPtr CreateSubType(IntPtr py_name, IntPtr py_base_type, IntPtr py_dict)
{
var dictRef = new BorrowedReference(py_dict);
// Utility to create a subtype of a managed type with the ability for the
// a python subtype able to override the managed implementation
string name = Runtime.GetManagedString(py_name);
// the derived class can have class attributes __assembly__ and __module__ which
// control the name of the assembly and module the new type is created in.
object assembly = null;
object namespaceStr = null;
using (var assemblyKey = new PyString("__assembly__"))
{
var assemblyPtr = Runtime.PyDict_GetItemWithError(dictRef, assemblyKey.Reference);
if (assemblyPtr.IsNull)
{
if (Exceptions.ErrorOccurred())
{
return(IntPtr.Zero);
}
}
else if (!Converter.ToManagedValue(assemblyPtr, typeof(string), out assembly, false))
{
return(Exceptions.RaiseTypeError("Couldn't convert __assembly__ value to string"));
}
using (var namespaceKey = new PyString("__namespace__"))
{
var pyNamespace = Runtime.PyDict_GetItemWithError(dictRef, namespaceKey.Reference);
if (pyNamespace.IsNull)
{
if (Exceptions.ErrorOccurred())
{
return(IntPtr.Zero);
}
}
else if (!Converter.ToManagedValue(pyNamespace, typeof(string), out namespaceStr, false))
{
return(Exceptions.RaiseTypeError("Couldn't convert __namespace__ value to string"));
}
}
}
// create the new managed type subclassing the base managed type
var baseClass = ManagedType.GetManagedObject(py_base_type) as ClassBase;
if (null == baseClass)
{
return(Exceptions.RaiseTypeError("invalid base class, expected CLR class type"));
}
try
{
Type subType = ClassDerivedObject.CreateDerivedType(name,
baseClass.type,
py_dict,
(string)namespaceStr,
(string)assembly);
// create the new ManagedType and python type
ClassBase subClass = ClassManager.GetClass(subType);
IntPtr py_type = GetTypeHandle(subClass, subType);
// by default the class dict will have all the C# methods in it, but as this is a
// derived class we want the python overrides in there instead if they exist.
IntPtr cls_dict = Marshal.ReadIntPtr(py_type, TypeOffset.tp_dict);
ThrowIfIsNotZero(Runtime.PyDict_Update(cls_dict, py_dict));
Runtime.XIncref(py_type);
// Update the __classcell__ if it exists
var cell = new BorrowedReference(Runtime.PyDict_GetItemString(cls_dict, "__classcell__"));
if (!cell.IsNull)
{
ThrowIfIsNotZero(Runtime.PyCell_Set(cell, py_type));
ThrowIfIsNotZero(Runtime.PyDict_DelItemString(cls_dict, "__classcell__"));
}
return(py_type);
}
catch (Exception e)
{
return(Exceptions.RaiseTypeError(e.Message));
}
}
/// <summary>
/// HasKey Method
/// </summary>
///
/// <remarks>
/// Returns true if the string key appears in the dictionary.
/// </remarks>
public bool HasKey(string key)
{
using (PyString str = new PyString(key))
return(HasKey(str));
}
