Gaudi Framework, version v20r2

Generated: 18 Jul 2008

genconf.cpp

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00001 //$Id: genconf.cpp,v 1.33 2008/04/03 17:56:40 marcocle Exp $    //
00002 
00003 #ifdef _WIN32
00004 // Disable a warning in Boost program_options headers:
00005 // inconsistent linkage in program_options/variables_map.hpp
00006 #pragma warning ( disable : 4273 )
00007 
00008 // Avoid conflicts between windows and the message service.
00009 #define NOMSG
00010 #define NOGDI
00011 #endif
00012 
00013 // Include files----------------------------------------------------------------
00014 #include "boost/program_options.hpp"
00015 #include "boost/filesystem/operations.hpp"
00016 #include "boost/filesystem/exception.hpp"
00017 #include "boost/filesystem/convenience.hpp"
00018 #include "boost/algorithm/string/split.hpp"
00019 #include "boost/algorithm/string/classification.hpp"
00020 #include "boost/algorithm/string/trim.hpp"
00021 #include "boost/algorithm/string/case_conv.hpp"
00022 #include "boost/format.hpp"
00023 
00024 #include "GaudiKernel/System.h"
00025 #include "GaudiKernel/ISvcLocator.h"
00026 #include "GaudiKernel/IProperty.h"
00027 #include "GaudiKernel/IAppMgrUI.h"
00028 #include "GaudiKernel/IAlgorithm.h"
00029 #include "GaudiKernel/IAlgTool.h"
00030 #include "GaudiKernel/IAuditor.h"
00031 #include "GaudiKernel/IAppMgrUI.h"
00032 #include "GaudiKernel/Service.h"
00033 #include "GaudiKernel/Bootstrap.h"
00034 #include "GaudiKernel/SmartIF.h"
00035 #include "GaudiKernel/HashMap.h"
00036 #include "GaudiKernel/GaudiHandle.h"
00037 
00038 #include "Reflex/PluginService.h"
00039 #include "Reflex/Reflex.h"
00040 #include "Reflex/SharedLibrary.h"
00041 
00042 #include <algorithm>
00043 #include <iostream>
00044 #include <fstream>
00045 #include <sstream>
00046 #include <exception>
00047 #include <ctime>
00048 #include <set>
00049 #include <vector>
00050 
00051 
00052 #include "DsoUtils.h"
00053 
00054 
00055 
00056 namespace po = boost::program_options;
00057 namespace fs = boost::filesystem;
00058 
00059 using namespace std;
00060 using namespace ROOT::Reflex;
00061 
00062 // useful typedefs
00063 typedef std::vector<std::string> Strings_t;
00064 typedef std::vector<fs::path>    LibPathNames_t;
00065 
00066 namespace {
00067   const std::string py_tab = "    ";
00068 }
00069 
00070 class configGenerator 
00071 {
00073   string  m_pkgName;
00074 
00077   string m_outputDirName;
00078 
00080   stringstream m_pyBuf;
00081 
00084   bool    m_importGaudiHandles;
00085 
00090   stringstream m_dbBuf;
00091 
00097   GaudiUtils::HashMap<std::string, std::string> m_configurable;
00098 
00099 public:
00100   configGenerator( const string& pkgName,
00101                    const string& outputDirName ) : 
00102     m_pkgName           ( pkgName ),
00103     m_outputDirName     ( outputDirName ),
00104     m_pyBuf             ( ),
00105     m_importGaudiHandles( false ),
00106     m_dbBuf             ( ),
00107     m_configurable      ( )
00108   {}
00109 
00114   int genConfig( const Strings_t& modules );
00115 
00117   void setConfigurableModule( const std::string& moduleName )
00118   {
00119     m_configurable[ "Module" ] = moduleName;
00120   }
00121 
00123   void setConfigurableDefaultName( const std::string& defaultName )
00124   {
00125     m_configurable[ "DefaultName" ] = defaultName;
00126   }
00127 
00129   void setConfigurableAlgorithm( const std::string& cfgAlgorithm )
00130   {
00131     m_configurable[ "Algorithm" ] = cfgAlgorithm;
00132   }
00133 
00135   void setConfigurableAlgTool( const std::string& cfgAlgTool )
00136   {
00137     m_configurable[ "AlgTool" ] = cfgAlgTool;
00138   }
00139 
00141   void setConfigurableAuditor( const std::string& cfgAuditor )
00142   {
00143     m_configurable[ "Auditor" ] = cfgAuditor;
00144   }
00145 
00147   void setConfigurableService( const std::string& cfgService )
00148   {
00149     m_configurable[ "Service" ] = cfgService;
00150     m_configurable[ "ApplicationMgr" ] = cfgService;
00151   }
00152 
00153 private:
00154   void genComponent( const std::string& libName,
00155                      const std::string& componentName, 
00156                      const std::string& componentType, 
00157                      const vector<Property*>& properties );
00158   void genImport( std::ostream& s, const boost::format& frmt,std::string indent);
00159   void genHeader( std::ostream& pyOut, std::ostream& dbOut );
00160   void genBody( std::ostream& pyOut,
00161                 std::ostream& dbOut ) { 
00162     pyOut << m_pyBuf.str() << flush;
00163     dbOut << m_dbBuf.str() << flush;
00164   }
00165   void genTrailer( std::ostream& pyOut,
00166                    std::ostream& dbOut );
00167 
00169   void pythonizeValue( const Property* prop, 
00170                        string& pvalue, 
00171                        string& ptype );
00172 
00174   void pythonizeName( string& name );
00175 };
00176 
00177 int createAppMgr();
00178 
00179 //--- Command main program-----------------------------------------------------
00180 int main ( int argc, char** argv )
00181 //-----------------------------------------------------------------------------
00182 {
00183   fs::path::default_name_check(fs::native);
00184   fs::path pwd = fs::initial_path();
00185   fs::path out;
00186   Strings_t libs;
00187   std::string pkgName;
00188 
00189   // declare a group of options that will be allowed only on command line
00190   po::options_description generic("Generic options");
00191   generic.add_options() 
00192     ("help,h",            
00193      "produce this help message")
00194     ("package-name,p",
00195      po::value<string>(),
00196      "name of the package for which we create the configurables file")
00197     ("input-libraries,i",
00198      po::value<string>(),
00199      "libraries to extract the component configurables from")
00200     ("input-cfg,c",
00201      po::value<string>(),
00202      "path to the cfg file holding the description of the Configurable base "
00203      "classes, the python module holding the Configurable definitions, etc...")
00204     ("output-dir,o",
00205      po::value<string>()->default_value("../genConf"),
00206      "output directory for genconf files.")
00207     ("debug-level,d",
00208      po::value<int>()->default_value(0),
00209      "debug level")
00210     ("load-library,l",
00211      po::value< Strings_t >()->composing(),
00212      "preloading library")
00213     ;
00214   
00215   // declare a group of options that will be allowed both on command line
00216   // _and_ in configuration file
00217   po::options_description config("Configuration");
00218   config.add_options()
00219     ("configurable-module",
00220      po::value<string>()->default_value("AthenaCommon"),
00221      "Name of the module holding the configurable classes")
00222     ("configurable-default-name",
00223      po::value<string>()->default_value("Configurable.DefaultName"),
00224      "Default name for the configurable instance")
00225     ("configurable-algorithm",
00226      po::value<string>()->default_value("ConfigurableAlgorithm"),
00227      "Name of the configurable base class for Algorithm components")
00228     ("configurable-algtool",
00229      po::value<string>()->default_value("ConfigurableAlgTool"),
00230      "Name of the configurable base class for AlgTool components")
00231     ("configurable-auditor",
00232      po::value<string>()->default_value("ConfigurableAuditor"),
00233      "Name of the configurable base class for Auditor components")
00234     ("configurable-service",
00235      po::value<string>()->default_value("ConfigurableService"),
00236      "Name of the configurable base class for Service components")
00237     ;
00238 
00239   po::options_description cmdline_options;
00240   cmdline_options.add(generic).add(config);
00241   
00242   po::options_description config_file_options;
00243   config_file_options.add(config);
00244 
00245   po::options_description visible("Allowed options");
00246   visible.add(generic).add(config);
00247 
00248   po::variables_map vm;
00249   
00250   try {
00251     po::store( po::command_line_parser(argc, argv).
00252                options(cmdline_options).run(), 
00253                vm );
00254 
00255     po::notify(vm);
00256 
00257     // try to read configuration from the optionnally given configuration file
00258     if( vm.count("input-cfg") ) {
00259       string cfgFileName = vm["input-cfg"].as<string>();
00260       cfgFileName = fs::complete( fs::path( cfgFileName, 
00261                                             fs::native ) ).string();
00262       std::ifstream ifs( cfgFileName.c_str() );
00263       po::store( parse_config_file( ifs, config_file_options ), vm );
00264     }
00265 
00266     po::notify(vm);
00267   }
00268   catch ( po::error& err ) {
00269     cout << "ERR0R: error detected while parsing command options: "<< err.what() << endl;
00270     return EXIT_FAILURE;
00271   }
00272 
00273   //--- Process command options -----------------------------------------------
00274   if( vm.count("help")) { 
00275     cout << visible << endl; 
00276     return EXIT_FAILURE; 
00277   }
00278 
00279   if( vm.count("package-name") ) {
00280     pkgName = vm["package-name"].as<string>();
00281   }
00282   else {
00283     cout << "ERROR: 'package-name' required" << endl;
00284     cout << visible << endl;
00285     return EXIT_FAILURE;
00286   }
00287 
00288   if( vm.count("input-libraries") ) {
00289     // re-shape the input arguments: 
00290     //  - removes spurious spaces, 
00291     //  - split into tokens.
00292     Strings_t inputLibs;
00293     {
00294       string tmp = vm["input-libraries"].as<string>();
00295       boost::trim(tmp);
00296       boost::split( inputLibs, tmp, 
00297                     boost::is_any_of(" "), 
00298                     boost::token_compress_on );
00299     }
00300 
00301     //
00302     libs.reserve( inputLibs.size() );
00303     for ( Strings_t::const_iterator iLib = inputLibs.begin();
00304           iLib != inputLibs.end();
00305           ++iLib ) {
00306       fs::path libPath = fs::path( *iLib, fs::native );
00307       std::string lib = libPath.leaf().substr(0, libPath.leaf().find('.') );
00308       if ( 0 == lib.find("lib") ) {
00309         lib = lib.substr(3); // For *NIX remove "lib"
00310       }
00311       // remove duplicates
00312       if ( !lib.empty() &&
00313           std::find( libs.begin(), libs.end(), lib ) == libs.end() ) {
00314         libs.push_back( lib );
00315       }
00316     } //> end loop over input-libraries
00317     if ( libs.empty() ) {
00318       cout << "ERROR: input component library(ies) required !\n" 
00319            << "ERROR: 'input-libraries' argument was [" 
00320            << vm["input-libraries"].as<string>()
00321            << "]"
00322            << endl;
00323       return EXIT_FAILURE;
00324     }
00325   }
00326   else {
00327     cout << "ERROR: input component library(ies) required" << endl;
00328     cout << visible << endl;
00329     return EXIT_FAILURE;
00330   }
00331   
00332   if( vm.count("output-dir") ) {
00333     out = fs::complete( fs::path( vm["output-dir"].as<string>(), 
00334                                   fs::native ) );
00335   }
00336   
00337   if ( vm.count("debug-level") ) {
00338     PluginService::SetDebug( vm["debug-level"].as<int>() );
00339   }
00340   
00341   if ( vm.count("load-library") ) {
00342     Strings_t lLib_list = vm["load-library"].as< Strings_t >();
00343     for (Strings_t::const_iterator lLib=lLib_list.begin(); 
00344          lLib != lLib_list.end(); 
00345          ++lLib) {
00346       // load done through ROOT::Reflex helper class
00347       SharedLibrary tmplib(*lLib) ;
00348       tmplib.Load() ;
00349     }
00350   }
00351 
00352 
00353   if ( !fs::exists( out ) ) {
00354     try {
00355       fs::create_directory(out);
00356     }
00357     catch ( fs::filesystem_error err ) {
00358       cout << "ERR0R: error creating directory: "<< err.what() << endl;
00359       return EXIT_FAILURE;
00360     }
00361   }
00362   
00363   cout << ":::::: libraries : [ ";
00364   copy( libs.begin(), libs.end(), ostream_iterator<string>(cout, " ") );
00365   cout << "] ::::::" << endl;
00366   
00367   configGenerator py( pkgName, out.string() );
00368   py.setConfigurableModule     (vm["configurable-module"].as<string>());
00369   py.setConfigurableDefaultName(vm["configurable-default-name"].as<string>());
00370   py.setConfigurableAlgorithm  (vm["configurable-algorithm"].as<string>());
00371   py.setConfigurableAlgTool    (vm["configurable-algtool"].as<string>());
00372   py.setConfigurableAuditor    (vm["configurable-auditor"].as<string>());
00373   py.setConfigurableService    (vm["configurable-service"].as<string>());
00374 
00375   int sc = EXIT_FAILURE;
00376   try {
00377     sc = py.genConfig( libs );
00378   }
00379   catch ( exception& e ) {
00380     cout << "ERROR: Could not generate Configurable(s) !\n" 
00381          << "ERROR: Got exception: " << e.what() << endl;
00382     return EXIT_FAILURE;
00383   }
00384   
00385   if ( EXIT_SUCCESS == sc ) {
00386     // create an empty __init__.py file in the output dir
00387     fstream initPy( ( out / fs::path( "__init__.py" ) ).string().c_str(),
00388         std::ios_base::out|std::ios_base::trunc );
00389     initPy << "## Hook for " << pkgName << " genConf module\n" << flush;
00390   }
00391     
00392   cout << ":::::: libraries : [ ";
00393   copy( libs.begin(), libs.end(), ostream_iterator<string>(cout, " ") );
00394   cout << "] :::::: [DONE]" << endl;
00395 
00396   return sc;
00397 }
00398 
00399 //-----------------------------------------------------------------------------
00400 int configGenerator::genConfig( const Strings_t& libs )
00401 //-----------------------------------------------------------------------------
00402 {
00403   //--- Disable checking StatusCode -------------------------------------------
00404   StatusCode::disableChecking();
00405   
00406   const Strings_t::const_iterator endLib = libs.end();
00407   
00408   const std::string gaudiSvc = "GaudiSvc";
00409   const bool isGaudiSvc = ( std::find( libs.begin(), endLib, gaudiSvc ) != endLib );
00410   
00411   //--- Instantiate ApplicationMgr --------------------------------------------
00412   if ( !isGaudiSvc && createAppMgr() ) {
00413     cout << "ERROR: ApplicationMgr can not be created. Check environment" << endl;
00414     return EXIT_FAILURE;
00415   }
00416   
00417   //--- Iterate over component factories --------------------------------------
00418   Scope factories = Scope::ByName(PLUGINSVC_FACTORY_NS);
00419   if ( !factories ) {
00420     cout << "ERROR: No PluginSvc factory namespace could be found" << endl;
00421     return EXIT_FAILURE;
00422   }
00423   
00424   ISvcLocator* svcLoc = Gaudi::svcLocator();
00425   IService*    dummySvc = new Service( "DummySvc", svcLoc );
00426   dummySvc->addRef();
00427 
00428   bool allGood = true;
00429 
00430   // iterate over all the requested libraries
00431   for ( Strings_t::const_iterator iLib=libs.begin(); iLib != endLib; ++iLib ) {
00432     
00433     std::cout << ":::: processing library: " << *iLib << "..." << std::endl;
00434     
00435     // reset state
00436     m_importGaudiHandles = false;
00437     m_pyBuf.str("");
00438     m_dbBuf.str("");
00439 
00440     // Scan the pluginSvc namespace and store the "background" of already
00441     // alived components, so we can extract our signal later on
00442     set<string> bkgNames;
00443     if ( !isGaudiSvc ) {
00444       for ( Member_Iterator it = factories.FunctionMember_Begin(); 
00445             it != factories.FunctionMember_End(); ++it ) {
00446         string ident = it->Properties().PropertyAsString("name");
00447         if ( PluginService::Debug() > 0 ) {
00448           cout << "::: " << ident << endl;
00449         }
00450         bkgNames.insert( ident );
00451       }
00452     }
00453     const set<string>::const_iterator bkgNamesEnd = bkgNames.end();
00454     
00455     //--- Load component library ----------------------------------------------
00456     System::ImageHandle handle;
00457     unsigned long err = System::loadDynamicLib( *iLib, &handle );
00458     if ( err != 1 ) {
00459       cout << "ERROR: " << System::getLastErrorString() << endl;
00460       allGood = false;
00461       continue;
00462     }
00463     
00464     for ( Member_Iterator it = factories.FunctionMember_Begin(); 
00465           it != factories.FunctionMember_End(); 
00466           ++it ) {
00467       const string ident = it->Properties().PropertyAsString("name");
00468       if ( bkgNames.find(ident) != bkgNamesEnd ) {
00469         if ( PluginService::Debug() > 0 ) {
00470           cout << "\t==> skipping [" << ident << "]..." << endl;
00471         }
00472         continue;
00473       }
00474       
00475       // Atlas contributed code (patch #1247)
00476       // Skip the generation of configurables if the component does not come
00477       // from the same library we are processing (i.e. we found a symbol that
00478       // is coming from a library loaded by the linker).
00479       // Windows implementation is empty.
00480       if ( !DsoUtils::inDso( *it, DsoUtils::libNativeName(*iLib) ) ) {
00481         cout << "WARNING: library [" << *iLib << "] requested factory "
00482         << "from another library ["
00483         << DsoUtils::dsoName(*it) << "]"
00484         << " ==> [" << ident << "] !!"
00485         << endl;
00486         continue;
00487       }
00488 
00489       const string rtype = it->TypeOf().ReturnType().Name();
00490       string type;
00491       bool known = true;
00492       if      ( ident == "ApplicationMgr" ) type = "ApplicationMgr";
00493       else if ( rtype == "IInterface*" )    type = "IInterface";
00494       else if ( rtype == "IAlgorithm*" )    type = "Algorithm";
00495       else if ( rtype == "IService*" )      type = "Service";
00496       else if ( rtype == "IAlgTool*" )      type = "AlgTool";
00497       else if ( rtype == "IAuditor*" )      type = "Auditor";
00498       else if ( rtype == "IConverter*" )    type = "Converter";
00499       else if ( rtype == "DataObject*" )    type = "DataObject";
00500       else                                  type = "Unknown", known = false;
00501       string name = ident;
00502       // handle possible problems with templated components
00503       boost::trim(name);
00504 
00505       cout << " - component: " << name << endl;
00506       
00507       if ( type == "IInterface" ) {
00510         continue;
00511       }
00512       
00513       if ( type == "Converter" || type == "DataObject" ) {
00515         continue;
00516       }
00517       
00518       //if ( type == "ApplicationMgr" ) {
00521       //}
00522 
00523       if ( !known ) {
00524         cout << "WARNING: Unknown (return) type [" << rtype << "] !!\n"
00525              << "WARNING: component [" << ident << "] is skipped !"
00526              << endl;
00527         allGood = false;
00528         continue;
00529       }
00530       
00531       string cname = "DefaultName";
00532       Object dummy;
00533       vector<void*>  args; 
00534       args.reserve( 3 );
00535       if ( type == "AlgTool" ) {
00536         args.resize( 3 );
00537         args[0] = &cname;
00538         args[1] = &type;
00539         args[2] = dummySvc;
00540       }
00541       else {
00542         args.resize( 2 );
00543         args[0] = &cname;
00544         args[1] = svcLoc;
00545       }
00546       IProperty* prop = 0;
00547       try {
00548         if ( type == "Algorithm" ) {
00549           IAlgorithm* obj = static_cast<IAlgorithm*>(it->Invoke(dummy,args).Address());
00550           prop = dynamic_cast<IProperty*>(obj);
00551         }
00552         else if ( type == "Service") {
00553           IService* obj = static_cast<IService*>(it->Invoke(dummy,args).Address());
00554           prop = dynamic_cast<IProperty*>(obj);
00555         }
00556         else if ( type == "AlgTool") {
00557           IAlgTool* obj = static_cast<IAlgTool*>(it->Invoke(dummy,args).Address());
00558           prop = dynamic_cast<IProperty*>(obj);
00559         }
00560         else if ( type == "Auditor") {
00561           IAuditor* obj = static_cast<IAuditor*>(it->Invoke(dummy,args).Address());
00562           prop = dynamic_cast<IProperty*>(obj);
00563         }
00564         else if ( type == "ApplicationMgr") {
00565           //svcLoc->queryInterface(IProperty::interfaceID(), pp_cast<void>(&prop));
00566           svcLoc->queryInterface(IProperty::interfaceID(), (void**)(&prop));
00567         }
00568         else {
00569           IInterface* obj = static_cast<IInterface*>(it->Invoke(dummy,args).Address());
00570           prop = dynamic_cast<IProperty*>(obj);
00571         }
00572       }
00573       catch ( exception& e ) {
00574         cout << "ERROR: Error instantiating " << name 
00575              << " from " << *iLib << endl;
00576         cout << "ERROR: Got exception: " << e.what() << endl;
00577         allGood = false;
00578         continue;
00579       }
00580       catch ( ... ) {
00581         cout << "ERROR: Error instantiating " << name 
00582              << " from " << *iLib << endl;
00583         allGood = false;
00584         continue;
00585       }
00586       if( prop ) {
00587         genComponent( *iLib, name, type, prop->getProperties() );
00588         prop->release();
00589       } else {
00590         cout << "ERROR: could not cast IInterface* object to an IProperty* !\n"
00591              << "ERROR: return type from PluginSvc is [" << rtype << "]...\n"
00592              << "ERROR: NO Configurable will be generated for [" 
00593              << name << "] !"
00594              << endl;
00595         allGood = false;
00596       }
00597     } //> end loop over factories
00598 
00602     const std::string pyName = ( fs::path(m_outputDirName) /
00603                   fs::path(*iLib+"Conf.py") ).string();
00604     const std::string dbName = ( fs::path(m_outputDirName) /
00605                   fs::path(*iLib+"_confDb.py") ).string();
00606 
00607     std::fstream py( pyName.c_str(),
00608               std::ios_base::out|std::ios_base::trunc );
00609     std::fstream db( dbName.c_str(),
00610               std::ios_base::out|std::ios_base::trunc );
00611     
00612     genHeader ( py, db );
00613     genBody   ( py, db );
00614     genTrailer( py, db );
00615     
00616   } //> end loop over libraries
00617   
00618   dummySvc->release();
00619   dummySvc = 0;
00620   
00621   return allGood ? EXIT_SUCCESS : EXIT_FAILURE;
00622 }
00623 
00624 void configGenerator::genImport( std::ostream& s,
00625                                  const boost::format& frmt,
00626                                  std::string indent = ""){
00627   
00628   std::string::size_type pos = 0, nxtpos = 0;
00629   std::string mod;
00630   
00631   while ( std::string::npos != pos ){
00632     // find end of module name
00633     nxtpos = m_configurable["Module"].find_first_of(',',pos);
00634     
00635     // Prepare import string
00636     mod = m_configurable["Module"].substr(pos,nxtpos-pos);
00637     std::ostringstream import;
00638     import << boost::format(frmt) % mod;
00639     
00640     // append a normal import or a try/excpet enclosed one depending
00641     // on availability of a fall-back bodule (next in the list)
00642     if ( std::string::npos == nxtpos ) {
00643       // last possible module
00644       s << indent << import.str() << "\n" << flush;
00645       pos = std::string::npos;
00646     } else {
00647       // we have a fallback for this
00648       s << indent << "try:\n"
00649         << indent << py_tab << import.str() << "\n"
00650         << indent << "except ImportError:\n"
00651         << flush;
00652       pos = nxtpos+1;
00653     }
00654     // increase indentation level for next iteration
00655     indent += py_tab;
00656   }
00657 }
00658 
00659 //-----------------------------------------------------------------------------
00660 void configGenerator::genHeader( std::ostream& py,
00661                                  std::ostream& db )
00662 //-----------------------------------------------------------------------------
00663 {
00664   // python file part
00665   time_t rawtime;
00666   time( &rawtime );
00667   py << "#" << ctime(&rawtime) //<< "\n"
00668      << "\"\"\"Automatically generated. DO NOT EDIT please\"\"\"\n";
00669   if ( m_importGaudiHandles ) {
00670     py << "from GaudiKernel.GaudiHandles import *\n";
00671   }
00672   
00673   genImport(py,boost::format("from %1%.Configurable import *"));
00674   
00675   // db file part
00676   db << "##  -*- python -*-  \n"
00677      << "# db file automatically generated by genconf on: " 
00678      << ctime(&rawtime); // << "\n";
00679   db << "## insulates outside world against anything bad that could happen\n"
00680      << "## also prevents global scope pollution\n"
00681      << "def _fillCfgDb():\n";
00682   genImport(db,boost::format("from %1%.ConfigurableDb import CfgDb"),py_tab);
00683   
00684   db << "\n"
00685      << py_tab << "# get a handle on the repository of Configurables\n"
00686      << py_tab << "cfgDb = CfgDb()\n"
00687      << "\n"
00688      << py_tab << "# populate the repository with informations on Configurables \n"
00689      << "\n"
00690      << flush;
00691 }
00692 //-----------------------------------------------------------------------------
00693 void configGenerator::genTrailer( std::ostream& /*py*/,
00694                                   std::ostream& db )
00695 //-----------------------------------------------------------------------------
00696 {
00697   // db file part
00698   db << py_tab << "return #_fillCfgDb\n"
00699      << "# fill cfgDb at module import...\n"
00700      << "try:\n"
00701      << py_tab << "_fillCfgDb()\n"
00702      << py_tab << "#house cleaning...\n"
00703      << py_tab << "del _fillCfgDb\n"
00704      << "except Exception,err:\n"
00705      << py_tab << "print \"Py:ConfigurableDb   ERROR Problem with [%s] content!"
00706                << "\" % __name__\n"
00707      << py_tab << "print \"Py:ConfigurableDb   ERROR\",err\n"
00708      << py_tab << "print \"Py:ConfigurableDb   ERROR   ==> culprit is package ["
00709                << m_pkgName << "] !\"\n"
00710      << std::flush;
00711 }
00712 
00713 //-----------------------------------------------------------------------------
00714 void configGenerator::genComponent( const std::string& libName,
00715                                     const std::string& componentName, 
00716                                     const std::string& componentType, 
00717                                     const vector<Property*>& properties )
00718 //-----------------------------------------------------------------------------
00719 {
00720   string cname = componentName;
00721   pythonizeName(cname);
00722     
00723   typedef GaudiUtils::HashMap<std::string, std::string> PropertyDoc_t;
00724   PropertyDoc_t propDoc;
00725   
00726   m_pyBuf << "\n";
00727   m_pyBuf << "class " << cname 
00728           << "( " << m_configurable[componentType] << " ) :" 
00729           << "\n";
00730   m_pyBuf << "  __slots__ = { \n";
00731   for ( vector<Property*>::const_iterator it = properties.begin() ; 
00732         it != properties.end(); ++it ) {
00733     const string pname  = (*it)->name();
00734     string pvalue, ptype;
00735     pythonizeValue( (*it), pvalue, ptype );
00736     m_pyBuf << "    '" << pname << "' : " << pvalue <<", # " << ptype << "\n";
00737     
00738     if ( (*it)->documentation() != "none" ) {
00739       propDoc[pname] = (*it)->documentation();
00740     }
00741     
00742   }
00743   m_pyBuf << "  }\n";
00744   m_pyBuf << "  _propertyDocDct = { \n";
00745   for ( PropertyDoc_t::const_iterator iProp = propDoc.begin();
00746         iProp != propDoc.end();
00747         ++iProp ) {
00748     m_pyBuf << std::setw(5)  
00749             << "'"       << iProp->first  << "' : "
00750             << "\"\"\" "  << iProp->second << " \"\"\",\n";
00751   }
00752   m_pyBuf << "  }\n";
00753   
00754   m_pyBuf 
00755     << "  def __init__(self, name = " << m_configurable["DefaultName"]
00756                                       << ", **kwargs):\n"
00757     << "      super(" << cname << ", self).__init__(name)\n"
00758     << "      for n,v in kwargs.items():\n"
00759     << "         setattr(self, n, v)\n"
00760     << "  def getDlls( self ):\n"
00761     << "      return '" << libName << "'\n"
00762     << "  def getType( self ):\n"
00763     << "      return '" << componentName  << "'\n"
00764     << "  pass # class " << cname << "\n"
00765     << flush;
00766   
00767   // name of the auto-generated module
00768   const string pyName = ( fs::path(m_outputDirName) /
00769                           fs::path(libName+"Conf.py") ).string();
00770   const string modName = fs::basename( fs::path( pyName ).leaf() );
00771   
00772   // now the db part
00773   m_dbBuf 
00774     << py_tab << "cfgDb.add( configurable = '" << cname << "',\n"
00775     << py_tab << "           package = '" << m_pkgName << "',\n"
00776     << py_tab << "           module  = '" << m_pkgName << "." << modName << "',\n"
00777     << py_tab << "           lib     = '" << libName << "' )\n"
00778     << flush;
00779 
00780 }
00781 //-----------------------------------------------------------------------------
00782 void configGenerator::pythonizeName( string& name )
00783 //-----------------------------------------------------------------------------
00784 {
00785   static string  in("<>&*,: ().");
00786   static string out("__rp__s___");
00787   for ( string::iterator i = name.begin(); i != name.end(); ++i ) {
00788     if ( in.find(*i) != string::npos ) *i = out[in.find(*i)];
00789   }  
00790 }
00791 
00792 //-----------------------------------------------------------------------------
00793 void configGenerator::pythonizeValue( const Property* p, 
00794                                       string& pvalue, string& ptype )
00795 //-----------------------------------------------------------------------------
00796 {
00797   const std::string cvalue = p->toString();
00798   const type_info& ti = *p->type_info();
00799   if ( ti == typeid(bool) ) {
00800     pvalue = ( cvalue == "0" || cvalue == "False" || cvalue == "false" )
00801            ? "False" 
00802            : "True";
00803     ptype  = "bool";
00804   }
00805   else if ( ti == typeid(char)  || ti == typeid(signed char)    
00806             || ti == typeid(unsigned char)  ||
00807             ti == typeid(short) || ti == typeid(unsigned short) ||
00808             ti == typeid(int)   || ti == typeid(unsigned int)   ||
00809             ti == typeid(long)  || ti == typeid(unsigned long) ) {
00810     pvalue = cvalue;
00811     ptype  = "int";
00812   }
00813   else if ( ti == typeid(long long) || ti == typeid(unsigned long long) ) {
00814     pvalue = cvalue + "L";
00815     ptype  = "long";
00816   }
00817   else if ( ti == typeid(float) || ti == typeid(double) ) {
00818     // forces python to handle this as a float: put a dot in there...
00819     pvalue = boost::to_lower_copy(cvalue);
00820     if ( pvalue == "nan" ) {
00821       pvalue = "float('nan')";
00822       std::cout << "WARNING: default value for ["
00823                 << p->name() << "] is NaN !!"
00824                 << std::endl;
00825     } else if ( std::string::npos == pvalue.find(".") &&
00826                 std::string::npos == pvalue.find("e")  ) {
00827       pvalue = cvalue + ".0";
00828     }
00829     ptype  = "float";
00830   }
00831   else if ( ti == typeid(string) ) {
00832     
00833     pvalue = "'"+cvalue+"'";
00834     ptype  = "str";
00835   }
00836   else if ( ti == typeid(GaudiHandleBase) ) {
00837     m_importGaudiHandles = true;
00838     const GaudiHandleProperty& hdl 
00839       = dynamic_cast<const GaudiHandleProperty&>(*p);
00840     const GaudiHandleBase&     base = hdl.value();
00841     
00842     pvalue = base.pythonRepr();
00843     ptype  = "GaudiHandle";
00844   }
00845   else if ( ti == typeid(GaudiHandleArrayBase) ) {
00846     m_importGaudiHandles = true;
00847     const GaudiHandleArrayProperty& hdl 
00848       = dynamic_cast<const GaudiHandleArrayProperty&>(*p);
00849     const GaudiHandleArrayBase&     base = hdl.value();
00850     
00851     pvalue = base.pythonRepr();
00852     ptype  = "GaudiHandleArray";
00853   }
00854   else {
00855     pvalue = cvalue;
00856     ptype  = "list";
00857   }
00858 }
00859 
00860 //-----------------------------------------------------------------------------
00861 int createAppMgr()
00862 //-----------------------------------------------------------------------------
00863 {
00864   IInterface* iface = Gaudi::createApplicationMgr();
00865   SmartIF<IProperty> propMgr ( IID_IProperty, iface );
00866   SmartIF<IAppMgrUI> appUI  ( IID_IAppMgrUI, iface );
00867 
00868   if ( propMgr.isValid() && appUI.isValid() ) {
00869     propMgr->setProperty( "JobOptionsType", "NONE" );  // No joboptions
00870     propMgr->setProperty( "AppName", "");              // No initial printout message
00871     propMgr->setProperty( "OutputLevel", "7");         // No other printout messages
00872     appUI->configure();
00873     return EXIT_SUCCESS;
00874   }
00875   else {
00876     return EXIT_FAILURE;
00877   }
00878 }

Generated at Fri Jul 18 11:59:23 2008 for Gaudi Framework, version v20r2 by Doxygen version 1.5.1 written by Dimitri van Heesch, © 1997-2004