pythonnet/src/runtime/Resources/clr.py at gitpod · dpsmca/pythonnet · GitHub

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"""

Code in this module gets loaded into the main clr module.

"""

__version__ = "3.0.0dev"

class clrproperty(object):

"""

Property decorator for exposing python properties to .NET.

The property type must be specified as the only argument to clrproperty.

e.g.::

class X(object):

@clrproperty(string)

def test(self):

return "x"

Properties decorated this way can be called from .NET, e.g.::

dynamic x = getX(); // get an instance of X declared in Python

string z = x.test; // calls into python and returns "x"

"""

def __init__(self, type_, fget=None, fset=None):

self.__name__ = getattr(fget, "__name__", None)

self._clr_property_type_ = type_

self.fget = fget

self.fset = fset

def __call__(self, fget):

return self.__class__(self._clr_property_type_,

fget=fget,

fset=self.fset)

def setter(self, fset):

self.fset = fset

return self

def getter(self, fget):

self.fget = fget

return self

def __get__(self, instance, owner):

return self.fget.__get__(instance, owner)()

def __set__(self, instance, value):

if not self.fset:

raise AttributeError("%s is read-only" % self.__name__)

return self.fset.__get__(instance, None)(value)

class clrmethod(object):

"""

Method decorator for exposing python methods to .NET.

The argument and return types must be specified as arguments to clrmethod.

e.g.::

class X(object):

@clrmethod(int, [str])

def test(self, x):

return len(x)

Methods decorated this way can be called from .NET, e.g.::

dynamic x = getX(); // get an instance of X declared in Python

int z = x.test("hello"); // calls into python and returns len("hello")

"""

def __init__(self, return_type, arg_types, clrname=None, func=None):

self.__name__ = getattr(func, "__name__", None)

self._clr_return_type_ = return_type

self._clr_arg_types_ = arg_types

self._clr_method_name_ = clrname or self.__name__

self.__func = func

def __call__(self, func):

return self.__class__(self._clr_return_type_,

self._clr_arg_types_,

clrname=self._clr_method_name_,

func=func)

def __get__(self, instance, owner):

return self.__func.__get__(instance, owner)

pythonnet/src/runtime/Resources/clr.py at gitpod · dpsmca/pythonnet · GitHub

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