Skip to content

AOD: Possibility to inject additional meta data #14362

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sawenzel merged 1 commit into from
Jun 6, 2025
Merged

AOD: Possibility to inject additional meta data #14362

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions Detectors/AOD/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,14 +42,14 @@ o2_add_executable(
COMPONENT_NAME aod-producer
TARGETVARNAME targetName
SOURCES src/aod-producer-workflow.cxx src/AODProducerWorkflowSpec.cxx src/AODMcProducerHelpers.cxx
PUBLIC_LINK_LIBRARIES internal::AODProducerWorkflow O2::Version
PUBLIC_LINK_LIBRARIES internal::AODProducerWorkflow O2::Version nlohmann_json::nlohmann_json
)

o2_add_executable(
workflow
COMPONENT_NAME aod-mc-producer
SOURCES src/aod-mc-producer-workflow.cxx src/AODMcProducerWorkflowSpec.cxx src/AODMcProducerHelpers.cxx
PUBLIC_LINK_LIBRARIES internal::AODProducerWorkflow O2::Version
PUBLIC_LINK_LIBRARIES internal::AODProducerWorkflow O2::Version nlohmann_json::nlohmann_json
)

o2_add_executable(
Expand All @@ -75,7 +75,8 @@ o2_add_executable(
O2::DataFormatsFT0
O2::Steer
O2::ZDCBase
)
nlohmann_json::nlohmann_json
)

if (OpenMP_CXX_FOUND)
target_compile_definitions(${targetName} PRIVATE WITH_OPENMP)
Expand Down
36 changes: 36 additions & 0 deletions Detectors/AOD/src/AODProducerWorkflowSpec.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,8 @@
#ifdef WITH_OPENMP
#include <omp.h>
#endif
#include <filesystem>
#include <nlohmann/json.hpp>

using namespace o2::framework;
using namespace o2::math_utils::detail;
Expand Down Expand Up @@ -1793,6 +1795,38 @@ void AODProducerWorkflowDPL::init(InitContext& ic)
}
}

namespace
{
void add_additional_meta_info(std::vector<TString>& keys, std::vector<TString>& values)
{
// see if we should put additional meta info (e.g. from MC)
auto aod_external_meta_info_file = getenv("AOD_ADDITIONAL_METADATA_FILE");
if (aod_external_meta_info_file != nullptr) {
LOG(info) << "Trying to inject additional AOD meta-data from " << aod_external_meta_info_file;
if (std::filesystem::exists(aod_external_meta_info_file)) {
std::ifstream input_file(aod_external_meta_info_file);
if (input_file) {
nlohmann::json json_data;
try {
input_file >> json_data;
} catch (nlohmann::json::parse_error& e) {
std::cerr << "JSON Parse Error: " << e.what() << "\n";
std::cerr << "Exception ID: " << e.id << "\n";
std::cerr << "Byte position: " << e.byte << "\n";
return;
}
// If parsing succeeds, iterate over key-value pairs
for (const auto& [key, value] : json_data.items()) {
LOG(info) << "Adding AOD MetaData" << key << " : " << value;
keys.push_back(key.c_str());
values.push_back(value.get<std::string>());
}
}
}
}
}
} // namespace

void AODProducerWorkflowDPL::run(ProcessingContext& pc)
{
mTimer.Start(false);
Expand Down Expand Up @@ -2401,6 +2435,8 @@ void AODProducerWorkflowDPL::run(ProcessingContext& pc)
TString ROOTVersion = ROOT_RELEASE;
mMetaDataKeys = {"DataType", "Run", "O2Version", "ROOTVersion", "RecoPassName", "AnchorProduction", "AnchorPassName", "LPMProductionTag", "CreatedBy"};
mMetaDataVals = {dataType, "3", O2Version, ROOTVersion, mRecoPass, mAnchorProd, mAnchorPass, mLPMProdTag, mUser};
add_additional_meta_info(mMetaDataKeys, mMetaDataVals);

pc.outputs().snapshot(Output{"AMD", "AODMetadataKeys", 0}, mMetaDataKeys);
pc.outputs().snapshot(Output{"AMD", "AODMetadataVals", 0}, mMetaDataVals);

Expand Down