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runtime
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using
System
;
using
System
.
Runtime
.
InteropServices
;
using
System
.
Security
;
using
System
.
Text
;
namespace
Python
.
Runtime
{
[
SuppressUnmanagedCodeSecurity
]
internal
static
class
NativeMethods
{
#if
MONO_LINUX
||
MONO_OSX
#if
NETSTANDARD
private
static
int
RTLD_NOW
=
0x2
;
#if
MONO_LINUX
private
static
int
RTLD_GLOBAL
=
0x100
;
private
static
IntPtr
RTLD_DEFAULT
=
IntPtr
.
Zero
;
private
const
string
NativeDll
=
"libdl.so"
;
public
static
IntPtr
LoadLibrary
(
string
fileName
)
{
return
dlopen
(
$
"lib
{
fileName
}
.so"
,
RTLD_NOW
|
RTLD_GLOBAL
)
;
}
#elif
MONO_OSX
private
static
int
RTLD_GLOBAL
=
0x8
;
private
const
string
NativeDll
=
"/usr/lib/libSystem.dylib"
private
static
IntPtr
RTLD_DEFAULT
=
new
IntPtr
(
-
2
)
;
public
static
IntPtr
LoadLibrary
(
string
fileName
)
{
return
dlopen
(
$
"lib
{
fileName
}
.dylib"
,
RTLD_NOW
|
RTLD_GLOBAL
)
;
}
#endif
#else
private
static
int
RTLD_NOW
=
0x2
;
private
static
int
RTLD_SHARED
=
0x20
;
#if
MONO_OSX
private
static
IntPtr
RTLD_DEFAULT
=
new
IntPtr
(
-
2
)
;
private
const
string
NativeDll
=
"__Internal"
;
#elif
MONO_LINUX
private
static
IntPtr
RTLD_DEFAULT
=
IntPtr
.
Zero
;
private
const
string
NativeDll
=
"libdl.so"
;
#endif
public
static
IntPtr
LoadLibrary
(
string
fileName
)
{
return
dlopen
(
fileName
,
RTLD_NOW
|
RTLD_SHARED
)
;
}
#endif
public
static
void
FreeLibrary
(
IntPtr
handle
)
{
dlclose
(
handle
)
;
}
public
static
IntPtr
GetProcAddress
(
IntPtr
dllHandle
,
string
name
)
{
// look in the exe if dllHandle is NULL
if
(
dllHandle
==
IntPtr
.
Zero
)
{
dllHandle
=
RTLD_DEFAULT
;
}
// clear previous errors if any
dlerror
(
)
;
IntPtr
res
=
dlsym
(
dllHandle
,
name
)
;
IntPtr
errPtr
=
dlerror
(
)
;
if
(
errPtr
!=
IntPtr
.
Zero
)
{
throw
new
Exception
(
"dlsym: "
+
Marshal
.
PtrToStringAnsi
(
errPtr
)
)
;
}
return
res
;
}
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
public
static
extern
IntPtr
dlopen
(
String
fileName
,
int
flags
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlsym
(
IntPtr
handle
,
String
symbol
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
int
dlclose
(
IntPtr
handle
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
IntPtr
dlerror
(
)
;
#else
// Windows
private
const
string
NativeDll
=
"kernel32.dll"
;
[
DllImport
(
NativeDll
)
]
public
static
extern
IntPtr
LoadLibrary
(
string
dllToLoad
)
;
[
DllImport
(
NativeDll
)
]
public
static
extern
IntPtr
GetProcAddress
(
IntPtr
hModule
,
string
procedureName
)
;
[
DllImport
(
NativeDll
)
]
public
static
extern
bool
FreeLibrary
(
IntPtr
hModule
)
;
#endif
}
/// <summary>
/// Encapsulates the low-level Python C API. Note that it is
/// the responsibility of the caller to have acquired the GIL
/// before calling any of these methods.
/// </summary>
public
class
Runtime
{
// C# compiler copies constants to the assemblies that references this library.
// We needs to replace all public constants to static readonly fields to allow
// binary substitution of different Python.Runtime.dll builds in a target application.
public
static
int
UCS
=>
_UCS
;
#if
UCS4
internal
const
int
_UCS
=
4
;
/// <summary>
/// EntryPoint to be used in DllImport to map to correct Unicode
/// methods prior to PEP393. Only used for PY27.
/// </summary>
private
const
string
PyUnicodeEntryPoint
=
"PyUnicodeUCS4_"
;
#elif
UCS2
internal
const
int
_UCS
=
2
;
/// <summary>
/// EntryPoint to be used in DllImport to map to correct Unicode
/// methods prior to PEP393. Only used for PY27.
/// </summary>
private
const
string
PyUnicodeEntryPoint
=
"PyUnicodeUCS2_"
;
#else
#error You must define either UCS2 or UCS4!
#endif
// C# compiler copies constants to the assemblies that references this library.
// We needs to replace all public constants to static readonly fields to allow
// binary substitution of different Python.Runtime.dll builds in a target application.
public
static
string
pyversion
=>
_pyversion
;
public
static
string
pyver
=>
_pyver
;
#if
PYTHON27
internal
const
string
_pyversion
=
"2.7"
;
internal
const
string
_pyver
=
"27"
;
#elif
PYTHON34
internal
const
string
_pyversion
=
"3.4"
;
internal
const
string
_pyver
=
"34"
;
#elif
PYTHON35
internal
const
string
_pyversion
=
"3.5"
;
internal
const
string
_pyver
=
"35"
;
#elif
PYTHON36
internal
const
string
_pyversion
=
"3.6"
;
internal
const
string
_pyver
=
"36"
;
#elif
PYTHON37
// TODO: Add `interop37.cs` after PY37 is released
internal
const
string
_pyversion
=
"3.7"
;
internal
const
string
_pyver
=
"37"
;
#else
#error You must define one of PYTHON34 to PYTHON37 or PYTHON27
#endif
#if
MONO_LINUX
||
MONO_OSX
// Linux/macOS use dotted version string
internal
const
string
dllBase
=
"python"
+
_pyversion
;
#else
// Windows
internal
const
string
dllBase
=
"python"
+
_pyver
;
#endif
#if
PYTHON_WITH_PYDEBUG
internal
const
string
dllWithPyDebug
=
"d"
;
#else
internal
const
string
dllWithPyDebug
=
""
;
#endif
#if
PYTHON_WITH_PYMALLOC
internal
const
string
dllWithPyMalloc
=
"m"
;
#else
internal
const
string
dllWithPyMalloc
=
""
;
#endif
// C# compiler copies constants to the assemblies that references this library.
// We needs to replace all public constants to static readonly fields to allow
// binary substitution of different Python.Runtime.dll builds in a target application.
public
static
readonly
string
PythonDLL
=
_PythonDll
;
#if
PYTHON_WITHOUT_ENABLE_SHARED
&&
!
NETSTANDARD
internal
const
string
_PythonDll
=
"__Internal"
;
#else
internal
const
string
_PythonDll
=
dllBase
+
dllWithPyDebug
+
dllWithPyMalloc
;
#endif
public
static
readonly
int
pyversionnumber
=
Convert
.
ToInt32
(
_pyver
)
;
// set to true when python is finalizing
internal
static
object
IsFinalizingLock
=
new
object
(
)
;
internal
static
bool
IsFinalizing
;
internal
static
bool
Is32Bit
=
IntPtr
.
Size
==
4
;
// .NET core: System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
internal
static
bool
IsWindows
=
Environment
.
OSVersion
.
Platform
==
PlatformID
.
Win32NT
;
internal
static
bool
IsPython2
=
pyversionnumber
<
30
;
internal
static
bool
IsPython3
=
pyversionnumber
>=
30
;
/// <summary>
/// Encoding to use to convert Unicode to/from Managed to Native
/// </summary>
internal
static
readonly
Encoding
PyEncoding
=
_UCS
==
2
?
Encoding
.
Unicode
:
Encoding
.
UTF32
;
/// <summary>
/// Initialize the runtime...
/// </summary>
internal
static
void
Initialize
(
)
{
if
(
Py_IsInitialized
(
)
==
0
)
{
Py_Initialize
(
)
;
}
if
(
PyEval_ThreadsInitialized
(
)
==
0
)
{
PyEval_InitThreads
(
)
;
}
IntPtr
op
;
IntPtr
dict
;
if
(
IsPython3
)
{
op
=
PyImport_ImportModule
(
"builtins"
)
;
dict
=
PyObject_GetAttrString
(
op
,
"__dict__"
)
;
}
else
// Python2
{
dict
=
PyImport_GetModuleDict
(
)
;
op
=
PyDict_GetItemString
(
dict
,
"__builtin__"
)
;
}
PyNotImplemented
=
PyObject_GetAttrString
(
op
,
"NotImplemented"
)
;
PyBaseObjectType
=
PyObject_GetAttrString
(
op
,
"object"
)
;
PyModuleType
=
PyObject_Type
(
op
)
;
PyNone
=
PyObject_GetAttrString
(
op
,
"None"
)
;
PyTrue
=
PyObject_GetAttrString
(
op
,
"True"
)
;
PyFalse
=
PyObject_GetAttrString
(
op
,
"False"
)
;
PyBoolType
=
PyObject_Type
(
PyTrue
)
;
PyNoneType
=
PyObject_Type
(
PyNone
)
;
PyTypeType
=
PyObject_Type
(
PyNoneType
)
;
op
=
PyObject_GetAttrString
(
dict
,
"keys"
)
;
PyMethodType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
// For some arcane reason, builtins.__dict__.__setitem__ is *not*
// a wrapper_descriptor, even though dict.__setitem__ is.
//
// object.__init__ seems safe, though.
op
=
PyObject_GetAttrString
(
PyBaseObjectType
,
"__init__"
)
;
PyWrapperDescriptorType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
#if
PYTHON3
XDecref
(
dict
)
;
#endif
op
=
PyString_FromString
(
"string"
)
;
PyStringType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyUnicode_FromString
(
"unicode"
)
;
PyUnicodeType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
#if
PYTHON3
op
=
PyBytes_FromString
(
"bytes"
)
;
PyBytesType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
#endif
op
=
PyTuple_New
(
0
)
;
PyTupleType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyList_New
(
0
)
;
PyListType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyDict_New
(
)
;
PyDictType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyInt_FromInt32
(
0
)
;
PyIntType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyLong_FromLong
(
0
)
;
PyLongType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
op
=
PyFloat_FromDouble
(
0
)
;
PyFloatType
=
PyObject_Type
(
op
)
;
XDecref
(
op
)
;
#if
PYTHON3
PyClassType
=
IntPtr
.
Zero
;
PyInstanceType
=
IntPtr
.
Zero
;
#elif
PYTHON2
IntPtr
s
=
PyString_FromString
(
"_temp"
)
;
IntPtr
d
=
PyDict_New
(
)
;
IntPtr
c
=
PyClass_New
(
IntPtr
.
Zero
,
d
,
s
)
;
PyClassType
=
PyObject_Type
(
c
)
;
IntPtr
i
=
PyInstance_New
(
c
,
IntPtr
.
Zero
,
IntPtr
.
Zero
)
;
PyInstanceType
=
PyObject_Type
(
i
)
;
XDecref
(
s
)
;
XDecref
(
i
)
;
XDecref
(
c
)
;
XDecref
(
d
)
;
#endif
Error
=
new
IntPtr
(
-
1
)
;
IntPtr
dllLocal
=
IntPtr
.
Zero
;
if
(
_PythonDll
!=
"__Internal"
)
{
dllLocal
=
NativeMethods
.
LoadLibrary
(
_PythonDll
)
;
}
_PyObject_NextNotImplemented
=
NativeMethods
.
GetProcAddress
(
dllLocal
,
"_PyObject_NextNotImplemented"
)
;
#if
!
(
MONO_LINUX
||
MONO_OSX
)
if
(
dllLocal
!=
IntPtr
.
Zero
)
{
NativeMethods
.
FreeLibrary
(
dllLocal
)
;
}
#endif
// Initialize modules that depend on the runtime class.
AssemblyManager
.
Initialize
(
)
;
PyCLRMetaType
=
MetaType
.
Initialize
(
)
;
Exceptions
.
Initialize
(
)
;
ImportHook
.
Initialize
(
)
;
// Need to add the runtime directory to sys.path so that we
// can find built-in assemblies like System.Data, et. al.
string
rtdir
=
RuntimeEnvironment
.
GetRuntimeDirectory
(
)
;
IntPtr
path
=
PySys_GetObject
(
"path"
)
;
IntPtr
item
=
PyString_FromString
(
rtdir
)
;
PyList_Append
(
path
,
item
)
;
XDecref
(
item
)
;
AssemblyManager
.
UpdatePath
(
)
;
}
internal
static
void
Shutdown
(
)
{
AssemblyManager
.
Shutdown
(
)
;
Exceptions
.
Shutdown
(
)
;
ImportHook
.
Shutdown
(
)
;
Py_Finalize
(
)
;
}
// called *without* the GIL acquired by clr._AtExit
internal
static
int
AtExit
(
)
{
lock
(
IsFinalizingLock
)
{
IsFinalizing
=
true
;
}
return
0
;
}
internal
static
IntPtr
Py_single_input
=
(
IntPtr
)
256
;
internal
static
IntPtr
Py_file_input
=
(
IntPtr
)
257
;
internal
static
IntPtr
Py_eval_input
=
(
IntPtr
)
258
;
internal
static
IntPtr
PyBaseObjectType
;
internal
static
IntPtr
PyModuleType
;
internal
static
IntPtr
PyClassType
;
internal
static
IntPtr
PyInstanceType
;
internal
static
IntPtr
PyCLRMetaType
;
internal
static
IntPtr
PyMethodType
;
internal
static
IntPtr
PyWrapperDescriptorType
;
internal
static
IntPtr
PyUnicodeType
;
internal
static
IntPtr
PyStringType
;
internal
static
IntPtr
PyTupleType
;
internal
static
IntPtr
PyListType
;
internal
static
IntPtr
PyDictType
;
internal
static
IntPtr
PyIntType
;
internal
static
IntPtr
PyLongType
;
internal
static
IntPtr
PyFloatType
;
internal
static
IntPtr
PyBoolType
;
internal
static
IntPtr
PyNoneType
;
internal
static
IntPtr
PyTypeType
;
#if
PYTHON3
internal
static
IntPtr
PyBytesType
;
#endif
internal
static
IntPtr
_PyObject_NextNotImplemented
;
internal
static
IntPtr
PyNotImplemented
;
internal
const
int
Py_LT
=
0
;
internal
const
int
Py_LE
=
1
;
internal
const
int
Py_EQ
=
2
;
internal
const
int
Py_NE
=
3
;
internal
const
int
Py_GT
=
4
;
internal
const
int
Py_GE
=
5
;
internal
static
IntPtr
PyTrue
;
internal
static
IntPtr
PyFalse
;
internal
static
IntPtr
PyNone
;
internal
static
IntPtr
Error
;
/// <summary>
/// Check if any Python Exceptions occurred.
/// If any exist throw new PythonException.
/// </summary>
/// <remarks>
/// Can be used instead of `obj == IntPtr.Zero` for example.
/// </remarks>
internal
static
void
CheckExceptionOccurred
(
)
{
if
(
PyErr_Occurred
(
)
!=
0
)
{
throw
new
PythonException
(
)
;
}
}
internal
static
IntPtr
ExtendTuple
(
IntPtr
t
,
params
IntPtr
[
]
args
)
{
int
size
=
PyTuple_Size
(
t
)
;
int
add
=
args
.
Length
;
IntPtr
item
;
IntPtr
items
=
PyTuple_New
(
size
+
add
)
;
for
(
var
i
=
0
;
i
<
size
;
i
++
)
{
item
=
PyTuple_GetItem
(
t
,
i
)
;
XIncref
(
item
)
;
PyTuple_SetItem
(
items
,
i
,
item
)
;
}
for
(
var
n
=
0
;
n
<
add
;
n
++
)
{
item
=
args
[
n
]
;
XIncref
(
item
)
;
PyTuple_SetItem
(
items
,
size
+
n
,
item
)
;
}
return
items
;
}
internal
static
Type
[
]
PythonArgsToTypeArray
(
IntPtr
arg
)
{
return
PythonArgsToTypeArray
(
arg
,
false
)
;
}
internal
static
Type
[
]
PythonArgsToTypeArray
(
IntPtr
arg
,
bool
mangleObjects
)
{
// Given a PyObject * that is either a single type object or a
// tuple of (managed or unmanaged) type objects, return a Type[]
// containing the CLR Type objects that map to those types.
IntPtr
args
=
arg
;
var
free
=
false
;
if
(
!
PyTuple_Check
(
arg
)
)
{
args
=
PyTuple_New
(
1
)
;
XIncref
(
arg
)
;
PyTuple_SetItem
(
args
,
0
,
arg
)
;
free
=
true
;
}
int
n
=
PyTuple_Size
(
args
)
;
var
types
=
new
Type
[
n
]
;
Type
t
=
null
;
for
(
var
i
=
0
;
i
<
n
;
i
++
)
{
IntPtr
op
=
PyTuple_GetItem
(
args
,
i
)
;
if
(
mangleObjects
&&
(
!
PyType_Check
(
op
)
)
)
{
op
=
PyObject_TYPE
(
op
)
;
}
ManagedType
mt
=
ManagedType
.
GetManagedObject
(
op
)
;
if
(
mt
is
ClassBase
)
{
t
=
(
(
ClassBase
)
mt
)
.
type
;
}
else
if
(
mt
is
CLRObject
)
{
object
inst
=
(
(
CLRObject
)
mt
)
.
inst
;
if
(
inst
is
Type
)
{
t
=
inst
as
Type
;
}
}
else
{
t
=
Converter
.
GetTypeByAlias
(
op
)
;
}
if
(
t
==
null
)
{
types
=
null
;
break
;
}
types
[
i
]
=
t
;
}
if
(
free
)
{
XDecref
(
args
)
;
}
return
types
;
}
/// <summary>
/// Managed exports of the Python C API. Where appropriate, we do
/// some optimization to avoid managed <--> unmanaged transitions
/// (mostly for heavily used methods).
/// </summary>
internal
static
unsafe
void
XIncref
(
IntPtr
op
)
{
#if
PYTHON_WITH_PYDEBUG
||
NETSTANDARD
Py_IncRef
(
op
)
;
return
;
#else
var
p
=
(
void
*
)
op
;
if
(
(
void
*
)
0
!=
p
)
{
if
(
Is32Bit
)
{
(
*
(
int
*
)
p
)
++
;
}
else
{
(
*
(
long
*
)
p
)
++
;
}
}
#endif
}
internal
static
unsafe
void
XDecref
(
IntPtr
op
)
{
#if
PYTHON_WITH_PYDEBUG
||
NETSTANDARD
Py_DecRef
(
op
)
;
return
;
#else
var
p
=
(
void
*
)
op
;
if
(
(
void
*
)
0
!=
p
)
{
if
(
Is32Bit
)
{
--
(
*
(
int
*
)
p
)
;
}
else
{
--
(
*
(
long
*
)
p
)
;
}
if
(
(
*
(
int
*
)
p
)
==
0
)
{
// PyObject_HEAD: struct _typeobject *ob_type
void
*
t
=
Is32Bit
?
(
void
*
)
(
*
(
(
uint
*
)
p
+
1
)
)
:
(
void
*
)
(
*
(
(
ulong
*
)
p
+
1
)
)
;
// PyTypeObject: destructor tp_dealloc
void
*
f
=
Is32Bit
?
(
void
*
)
(
*
(
(
uint
*
)
t
+
6
)
)
:
(
void
*
)
(
*
(
(
ulong
*
)
t
+
6
)
)
;
if
(
(
void
*
)
0
==
f
)
{
return
;
}
NativeCall
.
Impl
.
Void_Call_1
(
new
IntPtr
(
f
)
,
op
)
;
}
}
#endif
}
internal
static
unsafe
long
Refcount
(
IntPtr
op
)
{
var p
=
(
void
*
)
op
;
if
(
(
void
*
)
0
==
p
)
{
return
0
;
}
return
Is32Bit
?
(
*
(
int
*
)
p
)
:
(
*
(
long
*
)
p
)
;
}
/// <summary>
/// Export of Macro Py_XIncRef. Use XIncref instead.
/// Limit this function usage for Testing and Py_Debug builds
/// </summary>
/// <param name="ob">PyObject Ptr</param>
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_IncRef
(
IntPtr
ob
)
;
/// <summary>
/// Export of Macro Py_XDecRef. Use XDecref instead.
/// Limit this function usage for Testing and Py_Debug builds
/// </summary>
/// <param name="ob">PyObject Ptr</param>
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_DecRef
(
IntPtr
ob
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_Initialize
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
Py_IsInitialized
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_Finalize
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr Py_NewInterpreter
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_EndInterpreter
(
IntPtr
threadState
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyThreadState_New
(
IntPtr
istate
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyThreadState_Get
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyThread_get_key_value
(
IntPtr
key
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyThread_get_thread_ident
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyThread_set_key_value
(
IntPtr
key
,
IntPtr
value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyThreadState_Swap
(
IntPtr
key
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyGILState_Ensure
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyGILState_Release
(
IntPtr
gs
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyGILState_GetThisThreadState
(
)
;
#if PYTHON3
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
public
static
extern
int
Py_Main
(
int
argc
,
[
MarshalAs
(
UnmanagedType
.
CustomMarshaler
,
MarshalTypeRef
=
typeof
(
StrArrayMarshaler
)
)
]
string
[
]
argv
)
;
#elif PYTHON2
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
public
static
extern
int
Py_Main
(
int
argc
,
string
[
]
argv
)
;
#endif
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_InitThreads
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyEval_ThreadsInitialized
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_AcquireLock
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_ReleaseLock
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_AcquireThread
(
IntPtr
tstate
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_ReleaseThread
(
IntPtr
tstate
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyEval_SaveThread
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
PyEval_RestoreThread
(
IntPtr
tstate
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyEval_GetBuiltins
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyEval_GetGlobals
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyEval_GetLocals
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetProgramName
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_SetProgramName
(
IntPtr
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetPythonHome
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_SetPythonHome
(
IntPtr
home
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetPath
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
void
Py_SetPath
(
IntPtr
home
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetVersion
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetPlatform
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetCopyright
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetCompiler
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_GetBuildInfo
(
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyRun_SimpleString
(
string
code
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyRun_String
(
string
code
,
IntPtr
st
,
IntPtr
globals
,
IntPtr
locals
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyEval_EvalCode
(
IntPtr
co
,
IntPtr
globals
,
IntPtr
locals
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
Py_CompileString
(
string
code
,
string
file
,
IntPtr
tok
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyImport_ExecCodeModule
(
string
name
,
IntPtr
code
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyCFunction_NewEx
(
IntPtr
ml
,
IntPtr
self
,
IntPtr
mod
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyCFunction_Call
(
IntPtr
func
,
IntPtr
args
,
IntPtr
kw
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyClass_New
(
IntPtr
bases
,
IntPtr
dict
,
IntPtr
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyInstance_New
(
IntPtr
cls
,
IntPtr
args
,
IntPtr
kw
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyInstance_NewRaw
(
IntPtr
cls
,
IntPtr
dict
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyMethod_New
(
IntPtr
func
,
IntPtr
self
,
IntPtr
cls
)
;
//====================================================================
// Python abstract object API
//====================================================================
/// <summary>
/// A macro-like method to get the type of a Python object. This is
/// designed to be lean and mean in IL & avoid managed <-> unmanaged
/// transitions. Note that this does not incref the type object.
/// </summary>
internal
static
unsafe
IntPtr
PyObject_TYPE
(
IntPtr
op
)
{
var
p
=
(
void
*
)
op
;
if
(
(
void
*
)
0
==
p
)
{
return
IntPtr
.
Zero
;
}
#if
PYTHON_WITH_PYDEBUG
var
n
=
3
;
#else
var
n
=
1
;
#endif
return
Is32Bit
?
new
IntPtr
(
(
void
*
)
(
*
(
(
uint
*
)
p
+
n
)
)
)
:
new
IntPtr
(
(
void
*
)
(
*
(
(
ulong
*
)
p
+
n
)
)
)
;
}
/// <summary>
/// Managed version of the standard Python C API PyObject_Type call.
/// This version avoids a managed <-> unmanaged transition.
/// This one does incref the returned type object.
/// </summary>
internal
static
IntPtr PyObject_Type
(
IntPtr
op
)
{
IntPtr tp
=
PyObject_TYPE
(
op
)
;
XIncref
(
tp
)
;
return
tp
;
}
internal
static
string
PyObject_GetTypeName
(
IntPtr
op
)
{
IntPtr pyType
=
Marshal
.
ReadIntPtr
(
op
,
ObjectOffset
.
ob_type
)
;
IntPtr
ppName
=
Marshal
.
ReadIntPtr
(
pyType
,
TypeOffset
.
tp_name
)
;
return
Marshal
.
PtrToStringAnsi
(
ppName
)
;
}
/// <summary>
/// Test whether the Python object is an iterable.
/// </summary>
internal
static
bool
PyObject_IsIterable
(
IntPtr
pointer
)
{
var
ob_type
=
Marshal
.
ReadIntPtr
(
pointer
,
ObjectOffset
.
ob_type
)
;
#if
PYTHON2
long
tp_flags
=
Util
.
ReadCLong
(
ob_type
,
TypeOffset
.
tp_flags
)
;
if
(
(
tp_flags
&
TypeFlags
.
HaveIter
)
==
0
)
return
false
;
#endif
IntPtr tp_iter
=
Marshal
.
ReadIntPtr
(
ob_type
,
TypeOffset
.
tp_iter
)
;
return
tp_iter
!=
IntPtr
.
Zero
;
}
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_HasAttrString
(
IntPtr
pointer
,
string
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_GetAttrString
(
IntPtr
pointer
,
string
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_SetAttrString
(
IntPtr
pointer
,
string
name
,
IntPtr
value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_HasAttr
(
IntPtr
pointer
,
IntPtr
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_GetAttr
(
IntPtr
pointer
,
IntPtr
name
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_SetAttr
(
IntPtr
pointer
,
IntPtr
name
,
IntPtr
value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_GetItem
(
IntPtr
pointer
,
IntPtr
key
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_SetItem
(
IntPtr
pointer
,
IntPtr
key
,
IntPtr
value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_DelItem
(
IntPtr
pointer
,
IntPtr
key
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_GetIter
(
IntPtr
op
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_Call
(
IntPtr
pointer
,
IntPtr
args
,
IntPtr
kw
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr
PyObject_CallObject
(
IntPtr
pointer
,
IntPtr
args
)
;
#if PYTHON3
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_RichCompareBool
(
IntPtr value1
,
IntPtr value2
,
int
opid
)
;
internal
static
int
PyObject_Compare
(
IntPtr value1
,
IntPtr value2
)
{
int
res
;
res
=
PyObject_RichCompareBool
(
value1
,
value2
,
Py_LT
)
;
if
(
-
1
==
res
)
return
-
1
;
else
if
(
1
==
res
)
return
-
1
;
res
=
PyObject_RichCompareBool
(
value1
,
value2
,
Py_EQ
)
;
if
(
-
1
==
res
)
return
-
1
;
else
if
(
1
==
res
)
return
0
;
res
=
PyObject_RichCompareBool
(
value1
,
value2
,
Py_GT
)
;
if
(
-
1
==
res
)
return
-
1
;
else
if
(
1
==
res
)
return
1
;
Exceptions
.
SetError
(
Exceptions
.
SystemError
,
"Error comparing objects"
)
;
return
-
1
;
}
#elif PYTHON2
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_Compare
(
IntPtr value1
,
IntPtr value2
)
;
#endif
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_IsInstance
(
IntPtr ob
,
IntPtr type
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_IsSubclass
(
IntPtr ob
,
IntPtr type
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyCallable_Check
(
IntPtr pointer
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_IsTrue
(
IntPtr pointer
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_Not
(
IntPtr pointer
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyObject_Size
(
IntPtr pointer
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyObject_Hash
(
IntPtr op
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyObject_Repr
(
IntPtr pointer
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyObject_Str
(
IntPtr pointer
)
;
#if PYTHON3
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyObject_Str"
)
]
internal
static
extern
IntPtr PyObject_Unicode
(
IntPtr pointer
)
;
#elif PYTHON2
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyObject_Unicode
(
IntPtr pointer
)
;
#endif
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyObject_Dir
(
IntPtr pointer
)
;
//====================================================================
// Python number API
//====================================================================
#if PYTHON3
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyNumber_Long"
)
]
internal
static
extern
IntPtr PyNumber_Int
(
IntPtr ob
)
;
#elif PYTHON2
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyNumber_Int
(
IntPtr ob
)
;
#endif
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyNumber_Long
(
IntPtr ob
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyNumber_Float
(
IntPtr ob
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
bool
PyNumber_Check
(
IntPtr ob
)
;
internal
static
bool
PyInt_Check
(
IntPtr ob
)
{
return
PyObject_TypeCheck
(
ob
,
PyIntType
)
;
}
internal
static
bool
PyBool_Check
(
IntPtr ob
)
{
return
PyObject_TypeCheck
(
ob
,
PyBoolType
)
;
}
internal
static
IntPtr PyInt_FromInt32
(
int
value
)
{
var v
=
new
IntPtr
(
value
)
;
return
PyInt_FromLong
(
v
)
;
}
internal
static
IntPtr PyInt_FromInt64
(
long
value
)
{
var v
=
new
IntPtr
(
value
)
;
return
PyInt_FromLong
(
v
)
;
}
#if PYTHON3
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyLong_FromLong"
)
]
private
static
extern
IntPtr PyInt_FromLong
(
IntPtr value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyLong_AsLong"
)
]
internal
static
extern
int
PyInt_AsLong
(
IntPtr value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyLong_FromString"
)
]
internal
static
extern
IntPtr PyInt_FromString
(
string
value
,
IntPtr end
,
int
radix
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
EntryPoint
=
"PyLong_GetMax"
)
]
internal
static
extern
int
PyInt_GetMax
(
)
;
#elif PYTHON2
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
IntPtr PyInt_FromLong
(
IntPtr value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyInt_AsLong
(
IntPtr value
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
IntPtr PyInt_FromString
(
string
value
,
IntPtr end
,
int
radix
)
;
[
DllImport
(
_PythonDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
internal
static
extern
int
PyInt_GetMax
(
)
;
#endif
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