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pythonnet/src/runtime/loader.cs at master · ashsvis/pythonnet · GitHub
ashsvis
pythonnet
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runtime
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loader.cs
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src
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runtime
/
loader.cs
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using
System
.
Diagnostics
;
using
System
;
using
System
.
Runtime
.
InteropServices
;
using
System
.
Text
;
using
System
.
Threading
;
namespace
Python
.
Runtime
{
using
static
Runtime
;
[
Obsolete
(
"Only to be used from within Python"
)
]
static
class
Loader
{
public
unsafe
static
int
Initialize
(
IntPtr
data
,
int
size
)
{
IntPtr
gs
=
IntPtr
.
Zero
;
try
{
var
dllPath
=
Encoding
.
UTF8
.
GetString
(
(
byte
*
)
data
.
ToPointer
(
)
,
size
)
;
if
(
!
string
.
IsNullOrEmpty
(
dllPath
)
)
{
PythonDLL
=
dllPath
;
}
else
{
PythonDLL
=
null
;
}
gs
=
PyGILState_Ensure
(
)
;
// Console.WriteLine("Startup thread");
PythonEngine
.
InitExt
(
)
;
// Console.WriteLine("Startup finished");
}
catch
(
Exception
exc
)
{
Console
.
Error
.
Write
(
$
"Failed to initialize pythonnet:
{
exc
}
\n
{
exc
.
StackTrace
}
"
)
;
return
1
;
}
finally
{
if
(
gs
!=
IntPtr
.
Zero
)
{
PyGILState_Release
(
gs
)
;
}
}
return
0
;
}
public
unsafe
static
int
Shutdown
(
IntPtr
data
,
int
size
)
{
IntPtr
gs
=
IntPtr
.
Zero
;
try
{
var
command
=
Encoding
.
UTF8
.
GetString
(
(
byte
*
)
data
.
ToPointer
(
)
,
size
)
;
if
(
command
==
"full_shutdown"
)
{
gs
=
PyGILState_Ensure
(
)
;
PythonEngine
.
Shutdown
(
)
;
}
}
catch
(
Exception
exc
)
{
Console
.
Error
.
Write
(
$
"Failed to shutdown pythonnet:
{
exc
}
\n
{
exc
.
StackTrace
}
"
)
;
return
1
;
}
finally
{
if
(
gs
!=
IntPtr
.
Zero
)
{
PyGILState_Release
(
gs
)
;
}
}
return
0
;
}
}
}
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