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pythonnet/src/runtime/Resources/clr.py at python3.14 · devtrack/pythonnet · GitHub
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runtime
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Resources
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clr.py
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84 lines (63 loc) · 2.49 KB
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pythonnet
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runtime
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Resources
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clr.py
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"""
Code in this module gets loaded into the main clr module.
"""
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
)
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