| 50 | } |
| 51 | |
| 52 | void UpdateUndefinedRandomSeed( |
| 53 | ETaskType taskType, |
| 54 | const NCatboostOptions::TOutputFilesOptions& outputOptions, |
| 55 | NJson::TJsonValue* updatedJsonParams, |
| 56 | std::function<void(TIFStream*, TString&)> paramsLoader) { |
| 57 | |
| 58 | const TString snapshotFilename = TOutputFiles::AlignFilePath( |
| 59 | outputOptions.GetTrainDir(), |
| 60 | outputOptions.GetSnapshotFilename(), |
| 61 | /*namePrefix=*/ "" |
| 62 | ); |
| 63 | if (outputOptions.SaveSnapshot() && NFs::Exists(snapshotFilename)) { |
| 64 | TString serializedTrainParams; |
| 65 | NJson::TJsonValue restoredJsonParams; |
| 66 | try { |
| 67 | TProgressHelper(ToString(taskType)).CheckedLoad( |
| 68 | snapshotFilename, |
| 69 | [&](TIFStream* inputStream) { |
| 70 | paramsLoader(inputStream, serializedTrainParams); |
| 71 | } |
| 72 | ); |
| 73 | ReadJsonTree(serializedTrainParams, &restoredJsonParams); |
| 74 | CB_ENSURE(restoredJsonParams.Has("random_seed"), "Snapshot is broken."); |
| 75 | } catch (const TCatBoostException&) { |
| 76 | throw; |
| 77 | } catch (...) { |
| 78 | CATBOOST_WARNING_LOG << "Can't load progress from snapshot file: " << snapshotFilename << |
| 79 | " Exception: " << CurrentExceptionMessage() << Endl; |
| 80 | return; |
| 81 | } |
| 82 | |
| 83 | if (!(*updatedJsonParams)["flat_params"].Has("random_seed") && |
| 84 | !restoredJsonParams["flat_params"].Has("random_seed")) |
| 85 | { |
| 86 | (*updatedJsonParams)["random_seed"] = restoredJsonParams["random_seed"]; |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | void UpdateUndefinedClassLabels( |
| 92 | const TVector<NJson::TJsonValue>& classLabels, |
no test coverage detected