FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
pythonnet/src/runtime/propertyobject.cs at drop-python2 · filmor/pythonnet · GitHub
filmor
/
pythonnet
Public
forked from
pythonnet/pythonnet
Notifications
You must be signed in to change notification settings
Fork
1
Star
1
Code
Pull requests
0
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
pythonnet
/
src
/
runtime
/
propertyobject.cs
Copy path
More file actions
More file actions
Latest commit
History
History
History
164 lines (143 loc) · 4.84 KB
Breadcrumbs
pythonnet
/
src
/
runtime
/
propertyobject.cs
Copy path
File metadata and controls
164 lines (143 loc) · 4.84 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
using
System
;
using
System
.
Reflection
;
using
System
.
Security
.
Permissions
;
namespace
Python
.
Runtime
{
/// <summary>
/// Implements a Python descriptor type that manages CLR properties.
/// </summary>
internal
class
PropertyObject
:
ExtensionType
{
private
PropertyInfo
info
;
private
MethodInfo
getter
;
private
MethodInfo
setter
;
[
StrongNameIdentityPermission
(
SecurityAction
.
Assert
)
]
public
PropertyObject
(
PropertyInfo
md
)
{
getter
=
md
.
GetGetMethod
(
true
)
;
setter
=
md
.
GetSetMethod
(
true
)
;
info
=
md
;
}
/// <summary>
/// Descriptor __get__ implementation. This method returns the
/// value of the property on the given object. The returned value
/// is converted to an appropriately typed Python object.
/// </summary>
public
static
IntPtr
tp_descr_get
(
IntPtr
ds
,
IntPtr
ob
,
IntPtr
tp
)
{
var
self
=
(
PropertyObject
)
GetManagedObject
(
ds
)
;
MethodInfo
getter
=
self
.
getter
;
object
result
;
if
(
getter
==
null
)
{
return
Exceptions
.
RaiseTypeError
(
"property cannot be read"
)
;
}
if
(
ob
==
IntPtr
.
Zero
||
ob
==
Runtime
.
PyNone
)
{
if
(
!
getter
.
IsStatic
)
{
Exceptions
.
SetError
(
Exceptions
.
TypeError
,
"instance property must be accessed through a class instance"
)
;
return
IntPtr
.
Zero
;
}
try
{
result
=
self
.
info
.
GetValue
(
null
,
null
)
;
return
Converter
.
ToPython
(
result
,
self
.
info
.
PropertyType
)
;
}
catch
(
Exception
e
)
{
return
Exceptions
.
RaiseTypeError
(
e
.
Message
)
;
}
}
var
co
=
GetManagedObject
(
ob
)
as
CLRObject
;
if
(
co
==
null
)
{
return
Exceptions
.
RaiseTypeError
(
"invalid target"
)
;
}
try
{
result
=
self
.
info
.
GetValue
(
co
.
inst
,
null
)
;
return
Converter
.
ToPython
(
result
,
self
.
info
.
PropertyType
)
;
}
catch
(
Exception
e
)
{
if
(
e
.
InnerException
!=
null
)
{
e
=
e
.
InnerException
;
}
Exceptions
.
SetError
(
e
)
;
return
IntPtr
.
Zero
;
}
}
/// <summary>
/// Descriptor __set__ implementation. This method sets the value of
/// a property based on the given Python value. The Python value must
/// be convertible to the type of the property.
/// </summary>
public
new
static
int
tp_descr_set
(
IntPtr
ds
,
IntPtr
ob
,
IntPtr
val
)
{
var
self
=
(
PropertyObject
)
GetManagedObject
(
ds
)
;
MethodInfo
setter
=
self
.
setter
;
object
newval
;
if
(
val
==
IntPtr
.
Zero
)
{
Exceptions
.
RaiseTypeError
(
"cannot delete property"
)
;
return
-
1
;
}
if
(
setter
==
null
)
{
Exceptions
.
RaiseTypeError
(
"property is read-only"
)
;
return
-
1
;
}
if
(
!
Converter
.
ToManaged
(
val
,
self
.
info
.
PropertyType
,
out
newval
,
true
)
)
{
return
-
1
;
}
bool
is_static
=
setter
.
IsStatic
;
if
(
ob
==
IntPtr
.
Zero
||
ob
==
Runtime
.
PyNone
)
{
if
(
!
is_static
)
{
Exceptions
.
RaiseTypeError
(
"instance property must be set on an instance"
)
;
return
-
1
;
}
}
try
{
if
(
!
is_static
)
{
var
co
=
GetManagedObject
(
ob
)
as
CLRObject
;
if
(
co
==
null
)
{
Exceptions
.
RaiseTypeError
(
"invalid target"
)
;
return
-
1
;
}
self
.
info
.
SetValue
(
co
.
inst
,
newval
,
null
)
;
}
else
{
self
.
info
.
SetValue
(
null
,
newval
,
null
)
;
}
return
0
;
}
catch
(
Exception
e
)
{
if
(
e
.
InnerException
!=
null
)
{
e
=
e
.
InnerException
;
}
Exceptions
.
SetError
(
e
)
;
return
-
1
;
}
}
/// <summary>
/// Descriptor __repr__ implementation.
/// </summary>
public
static
IntPtr
tp_repr
(
IntPtr
ob
)
{
var
self
=
(
PropertyObject
)
GetManagedObject
(
ob
)
;
return
Runtime
.
PyString_FromString
(
$
"<property '
{
self
.
info
.
Name
}
'>"
)
;
}
}
}
Back
|
FazBrowse Home
|
New Git URL