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VAPython
VAPython

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Commit cf38808d authored by Dipl.-Ing. Jonas Stienen's avatar Dipl.-Ing. Jonas Stienen
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Improving error handling and fixing problems with connection method

parent d0999363
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Showing with 78 additions and 70 deletions
CMakeLists.txt
View file @ cf38808d
......@@ -32,10 +32,10 @@ endif( )
add_custom_command( TARGET VAPython POST_BUILD COMMAND "distutils_build.${BATCH_SCRIPT_EXTENSION}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} COMMENT "Running distutils" VERBATIM )
# configure
vista_configure_lib( VAPython )
vista_install( VAPython )
vista_create_cmake_configs( VAPython )
vista_create_default_info_file( VAPython )
#vista_configure_lib( VAPython )
#vista_install( VAPython )
#vista_create_cmake_configs( VAPython )
#vista_create_default_info_file( VAPython )
set_property( TARGET VAPython PROPERTY FOLDER "VA/Bindings" )
......
distutils_build.bat
View file @ cf38808d
python.exe setup.py clean
python.exe setup.py build
python.exe setup.py build --force
python.exe setup.py install --prefix dist
python.exe setup.py sdist --formats=zip
# later:
#python.exe setup.py bdist_wininst
rem later:
rem python.exe setup.py bdist_wininst
python.exe setup.py check
src/vasingletonmethods.hpp
View file @ cf38808d
......@@ -11,117 +11,121 @@
static IVANetClient* g_pVANetClient = nullptr; //!< Static pointer to VANetClient instance
static PyObject* g_pVAError = nullptr; //!< Static pointer to error instance
// Ugly definitions to ease try-catching VA exceptions
#define VAPY_REQUIRE_CONN_TRY try { RequireCoreAvailable();
#define VAPY_CATCH_RETURN } catch (const CVAException& oError) { PyErr_SetString(PyExc_Exception, oError.ToString().c_str()); return NULL; }
//! Helper for API dev
static PyObject* va_not_implemented( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_not_implemented(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
VA_EXCEPT_NOT_IMPLEMENTED;
return NULL;
}
};
//! Raises an exception if core is not available
static void RequireCoreAvailable()
{
if( !g_pVANetClient )
VA_EXCEPT2( CVAException::NETWORK_ERROR, "VA client not available, please connect first" );
if (!g_pVANetClient)
VA_EXCEPT2(CVAException::NETWORK_ERROR, "VA client not available, please connect first");
if( !g_pVANetClient->GetCoreInstance() )
VA_EXCEPT2( CVAException::NETWORK_ERROR, "VA client available, but access to VA interface failed. Please reconnect." );
}
if (!g_pVANetClient->GetCoreInstance())
VA_EXCEPT2(CVAException::NETWORK_ERROR, "VA client available, but access to VA interface failed. Please reconnect.");
};
static PyObject* va_connect( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_connect(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
if( !g_pVANetClient )
if (!g_pVANetClient)
g_pVANetClient = IVANetClient::Create();
if( g_pVANetClient->IsConnected() )
if (g_pVANetClient->IsConnected())
{
PyErr_Warn( pSelf, "Was still connected, forced disconnect." );
PyErr_Warn(pSelf, "Was still connected, forced disconnect.");
g_pVANetClient->Disconnect();
}
static const char * const _keywords[] = { "server", "port", NULL };
static _PyArg_Parser _parser = { "Oi:connect", _keywords, 0 };
PyObject* pServer;
PyObject* pPort;
if( !_PyArg_ParseStack( ppArgs, nArgs, pKeywordNames, &_parser, &pServer, &pPort ) )
return PyBool_FromLong( 0 );
std::string sServerIP = "localhost";
char* pcServerIP = nullptr;
if( PyArg_ParseTuple( pPort, "i", &pcServerIP ) )
sServerIP = std::string( pcServerIP );
static _PyArg_Parser _parser = { "|si:connect", _keywords, 0 };
char* pcServerIP;
int iServerPort = 12340;
int* piServerPort = nullptr;
if( PyArg_ParseTuple( pPort, "i", &piServerPort ) )
iServerPort = *piServerPort;
if( IVANetClient::VA_NO_ERROR == g_pVANetClient->Initialize( sServerIP, iServerPort ) )
return PyBool_FromLong( 1 );
if (!_PyArg_ParseStack(ppArgs, nArgs, pKeywordNames, &_parser, pcServerIP, &iServerPort))
return NULL;
PyErr_SetString( PyExc_ConnectionError, std::string( "Could not connect to " + sServerIP + " on " + std::to_string( ( long ) iServerPort ) ).c_str() );
std::string sServerIP = pcServerIP ? std::string(pcServerIP) : "localhost";
if (IVANetClient::VA_NO_ERROR == g_pVANetClient->Initialize(sServerIP, iServerPort))
return PyBool_FromLong(1);
PyErr_SetString(PyExc_ConnectionError, std::string("Could not connect to " + sServerIP + " on " + std::to_string((long)iServerPort)).c_str());
return NULL;
}
};
static PyObject* va_disconnect( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_disconnect(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
if( g_pVANetClient )
if (g_pVANetClient)
g_pVANetClient->Disconnect();
else
PyErr_Warn(pSelf, "Was not connected, doing nothing. Use is_connected to avoid this message.");
return PyBool_FromLong(1);
};
return PyBool_FromLong( 1 );
}
static PyObject* va_is_connected( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_is_connected(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
if( !g_pVANetClient )
return PyBool_FromLong( 0 );
if (!g_pVANetClient)
return PyBool_FromLong(0);
else
return PyBool_FromLong( g_pVANetClient->IsConnected() );
}
return PyBool_FromLong(g_pVANetClient->IsConnected());
};
static PyObject* va_reset( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_reset(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
RequireCoreAvailable();
VAPY_REQUIRE_CONN_TRY;
g_pVANetClient->GetCoreInstance()->Reset();
return PyBool_FromLong(1);
return PyBool_FromLong( 1 );
}
VAPY_CATCH_RETURN;
};
static PyObject* va_enumerate_modules( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
static PyObject* va_enumerate_modules(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
RequireCoreAvailable();
VAPY_REQUIRE_CONN_TRY;
VA_EXCEPT_NOT_IMPLEMENTED;
return NULL;
}
static PyObject* va_call_module( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
VAPY_CATCH_RETURN;
};
static PyObject* va_call_module(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
RequireCoreAvailable();
VAPY_REQUIRE_CONN_TRY;
VA_EXCEPT_NOT_IMPLEMENTED;
return NULL;
}
static PyObject* va_add_search_path( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
VAPY_CATCH_RETURN;
};
static PyObject* va_add_search_path(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
RequireCoreAvailable();
VAPY_REQUIRE_CONN_TRY;
VA_EXCEPT_NOT_IMPLEMENTED;
return NULL;
}
static PyObject* va_create_listener( PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames )
VAPY_CATCH_RETURN;
};
static PyObject* va_create_listener(PyObject* pSelf, PyObject** ppArgs, Py_ssize_t nArgs, PyObject* pKeywordNames)
{
RequireCoreAvailable();
VAPY_REQUIRE_CONN_TRY;
std::string sName = "PyListener";
int iID = g_pVANetClient->GetCoreInstance()->CreateListener( sName, IVACore::VA_AURAMODE_ALL );
int iID = g_pVANetClient->GetCoreInstance()->CreateListener(sName, IVACore::VA_AURAMODE_ALL);
return PyLong_FromLong( iID );
}
return PyLong_FromLong(iID);
VAPY_CATCH_RETURN;
};
tests/va_test_connection.py
View file @ cf38808d
# VA is used as a singleton.
# You can access va in every script, function and method.
print( "Testing va extension connection." )
# Add va module if it was not installed
import sys
sys.path.append( '../Lib/site-packages' ) # deploy structure
import va
if va.connect( "localhost", 12340 ) == 1 :
print( "Testing va extension connection." )
if va.connect( "pc-jst" ) :
print( "Successfully connected" )
else :
print( "Connection failed" )
if va.is_connected() == 1:
if va.is_connected() :
va.disconnect()
print( "Test done." )
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