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PythonConfig.cpp
Go to the documentation of this file.
1 #include "PythonConfig.h"
2
3 // boost includes
4 #include "boost/python.hpp"
5 using namespace boost::python;
6
7 //-----------------------------------------------------------------------------
8 StatusCode PythonConfig::evaluateConfig(const std::string& filename, const std::string& preAction, const std::string& postAction){
9 try{
10 // Prepare a Python environment
11 Py_Initialize();
12 object main_module((
13 handle<>(borrowed(PyImport_AddModule("__main__")))));
14 object main_namespace = main_module.attr("__dict__");
15
16 // make the translator class known to Python
17 main_namespace["PythonAdaptor"] = class_<PythonAdaptor>("PythonAdaptor", boost::python::init<IJobOptionsSvc*>())
18 .def("addPropertyToJobOptions",&PythonAdaptor::addPropertyToJobOptions);
19
20 // create an instance of it and pass it to Python
21 PythonAdaptor adaptor(m_IJobOptionsSvc);
22 main_namespace["adaptor"] = ptr(&adaptor);
23
24 // some python helper
25 std::string command(preAction);
26 command += "\nfor name in '";
27 command += filename + "'.split(','): execfile(name)\n";
28 command += "from GaudiKernel.Configurable import expandvars\nfrom GaudiKernel.Proxy.Configurable import applyConfigurableUsers\napplyConfigurableUsers()\n";
29 command += postAction;
30 command += "\nfor n, c in Configurable.allConfigurables.items():\n for p, v in c.getValuedProperties().items() :\n v = expandvars(v)\n if type(v) == str : v = '\"%s\"' % v # need double quotes\n elif type(v) == long: v = '%d' % v # prevent pending 'L'\n adaptor.addPropertyToJobOptions(n,p,str(v))";
31
32 // Now fire off the translation
33 handle<> ignored(( PyRun_String( command.c_str(),
34 Py_file_input,
35 main_namespace.ptr(),
36 main_namespace.ptr() ) ));
37 } catch( error_already_set ) {
38 std::cout << "Error in python script:" << std::endl;
39 PyErr_Print();
40 return StatusCode::FAILURE;
41 }
42
43 return StatusCode::SUCCESS;
44 }
PythonConfig.h
std::endl
T endl(T...args)
graphanalysis.filename
string filename
Definition: graphanalysis.py:109
PythonConfig::evaluateConfig
StatusCode evaluateConfig(const std::string &filename, const std::string &preAction, const std::string &postAction)
Definition: PythonConfig.cpp:8
PythonAdaptor::addPropertyToJobOptions
void addPropertyToJobOptions(const std::string &client, const std::string &name, const std::string &value)
Definition: PythonConfig.h:15
std::string
STL class.
brunelWrapper.command
string command
Definition: brunelWrapper.py:85
StatusCode::FAILURE
Definition: StatusCode.h:29
PythonAdaptor
Definition: PythonConfig.h:11
StatusCode::SUCCESS
Definition: StatusCode.h:30
StatusCode
This class is used for returning status codes from appropriate routines.
Definition: StatusCode.h:26
std::string::c_str
T c_str(T...args)
python
std::cout