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Download code/downstream/historical_molas/data/dataset.py from SeanWan05/MolAS-Active-Learning: direct link, hf CLI and curl.
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https://huggingface.co/datasets/SeanWan05/MolAS-Active-Learning/resolve/main/code/downstream/historical_molas/data/dataset.py
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hf download hf://datasets/SeanWan05/MolAS-Active-Learning/code/downstream/historical_molas/data/dataset.py
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curl -L -o dataset.py https://huggingface.co/datasets/SeanWan05/MolAS-Active-Learning/resolve/main/code/downstream/historical_molas/data/dataset.py
14.9 kB
| import torch | |
| from torch_geometric.data import Data, Dataset | |
| from torch_geometric.loader import DataLoader | |
| import pandas as pd | |
| import math | |
| import numpy as np | |
| from pathlib import Path | |
| #---------------------------Change dataset----------------------------- | |
| # These will be set dynamically via function parameters | |
| path = '/data1/home/jw1017/AS_Dock/data/MolAS' | |
| ligand_graph_path = f'{path}/ligand_graphs' | |
| protein_graph_path = f'{path}/protein_graphs_esmc_600m' | |
| #---------------------------------------------------------------------- | |
| def resolve_matrix_path(benchmark='posex_self_docking', matrix_name='pb_ratio'): | |
| data_root = Path(path) | |
| candidates = [ | |
| data_root / f'{benchmark}_{matrix_name}_trimmed.csv', | |
| data_root / f'{benchmark}_{matrix_name}_sorted.csv', | |
| data_root / f'{benchmark}_{matrix_name}.csv', | |
| ] | |
| for candidate in candidates: | |
| if candidate.exists(): | |
| return str(candidate) | |
| return str(candidates[0]) | |
| def get_dataset_paths(benchmark='posex_self_docking'): | |
| """Generate dataset paths based on benchmark and relaxation settings""" | |
| pb_ratios_path = resolve_matrix_path(benchmark, 'pb_ratio') | |
| rmsd_path = resolve_matrix_path(benchmark, 'rmsd') | |
| return pb_ratios_path, rmsd_path | |
| def get_score_path(benchmark='posex_self_docking'): | |
| return resolve_matrix_path(benchmark, 'score') | |
| def normalize_metric_column(column_name): | |
| suffixes = [ | |
| '_strict_score_from_rebuilt_raw', | |
| '_pred_strict_score', | |
| '_strict_score', | |
| '_pred_pb_ratio', | |
| '_pred_rmsd', | |
| '_pb_ratio', | |
| '_rmsd', | |
| '_score', | |
| ] | |
| for suffix in suffixes: | |
| if column_name.endswith(suffix): | |
| return column_name[:-len(suffix)] | |
| return column_name | |
| def split_pdb_ccd_id_column(pdb_ccd_ids): | |
| protein = [value.split('_')[0] for value in pdb_ccd_ids] | |
| ligand = ['_'.join(value.split('_')[1:]) for value in pdb_ccd_ids] | |
| return protein, ligand | |
| def build_label_dataframe(matrix_df, incl_columns:list = []): | |
| renamed_columns = { | |
| col: normalize_metric_column(col) | |
| for col in matrix_df.columns | |
| if col != 'PDB_CCD_ID' | |
| } | |
| matrix_df = matrix_df.rename(columns=renamed_columns) | |
| protein, ligand = split_pdb_ccd_id_column(matrix_df['PDB_CCD_ID']) | |
| final_df = matrix_df.copy() | |
| final_df.insert(0, 'protein', protein) | |
| final_df.insert(1, 'ligand', ligand) | |
| final_df = final_df.drop(columns=['PDB_CCD_ID']) | |
| if len(incl_columns) > 0: | |
| requested = incl_columns + ['protein', 'ligand'] | |
| missing = [col for col in incl_columns if col not in final_df.columns] | |
| if missing: | |
| raise ValueError( | |
| f"Requested incl_columns missing from matrix: {missing}. " | |
| f"Available columns: {list(final_df.columns[2:])}" | |
| ) | |
| final_df = final_df[final_df.columns.intersection(requested)] | |
| label = [final_df.iloc[i, 2:].values for i in range(len(final_df))] | |
| final_df['label'] = label | |
| num_classes = len(final_df.columns[2:-1]) | |
| assert not final_df.isnull().values.any(), "DataFrame contains NaN values." | |
| assert not final_df.isin([float('inf'), float('-inf')]).values.any(), "DataFrame contains infinite values." | |
| assert all(isinstance(t, (list, np.ndarray)) for t in final_df['label']), "label column contains non-list/array values." | |
| assert all(len(t) == num_classes for t in final_df['label']), "Inconsistent label lengths." | |
| return final_df, num_classes | |
| def pb_score(x): | |
| # binary score | |
| return 1 if x == 1 else 0 | |
| # RMSD scores | |
| def rmsd_score(x, lambda_rmsd=3): | |
| M = 2 | |
| if x > 5 or x < 0: | |
| return 0 | |
| return (1 + math.exp(-lambda_rmsd * M)) / (1 + math.exp(lambda_rmsd * (x - M))) | |
| # Dataset classes | |
| # ligand graph | |
| class SMILESDataset(Dataset): | |
| def __init__(self, dataframe): | |
| self.dataframe = dataframe | |
| self.ligand_graph_path = ligand_graph_path | |
| def __len__(self): | |
| return len(self.dataframe) | |
| def __getitem__(self, idx): | |
| ligand_name = self.dataframe.iloc[idx]['ligand'] | |
| protein_name = self.dataframe.iloc[idx]['protein'] | |
| names = f'{protein_name}_{ligand_name}' | |
| # Direct loading without cache for better performance | |
| graph_path = f'{self.ligand_graph_path}/pyg_graph_{names}.pt' | |
| nodes, edge_index, edge_attr, pos = torch.load(graph_path, weights_only=False, map_location='cpu') | |
| # Create data with explicit memory optimization | |
| graph_data = Data( | |
| x=nodes[1].to(torch.float32).contiguous(), # Ensure contiguous memory layout and dtype | |
| edge_index=edge_index[1].contiguous(), | |
| edge_attr=edge_attr[1].to(torch.float32).contiguous(), | |
| pos=pos[1].to(torch.float32).contiguous() | |
| ) | |
| graph_data.names = names | |
| return graph_data | |
| # Dataset classes | |
| # ligand graph | |
| class SMILESDatasetChemberta(Dataset): | |
| def __init__(self, dataframe): | |
| self.dataframe = dataframe | |
| lig_chemberta = torch.load(f"{path}/ligand_chemberta.pt") | |
| self.lig_emb_map = dict(zip(lig_chemberta["ligand_ids"], | |
| lig_chemberta["embeddings"])) | |
| def __len__(self): | |
| return len(self.dataframe) | |
| def __getitem__(self, idx): | |
| ligand_name = self.dataframe.iloc[idx]['ligand'] | |
| protein_name = self.dataframe.iloc[idx]['protein'] | |
| names = f'{protein_name}_{ligand_name}' | |
| # Create data with explicit memory optimization | |
| graph_data = Data( | |
| x=self.lig_emb_map[names].to(torch.float32).contiguous() | |
| ) | |
| graph_data.names = names | |
| return graph_data | |
| # protein graph | |
| class GraphDataset(Dataset): | |
| def __init__(self, dataframe): | |
| self.dataframe = dataframe | |
| self.protein_graph_path = protein_graph_path | |
| # Cache for loaded graphs to prevent memory leaks | |
| self._graph_cache = {} | |
| def __len__(self): | |
| return len(self.dataframe) | |
| def validate_graph(self, x, pos, edge_index, edge_attr=None): | |
| N = pos.size(0) | |
| assert x.size(0) == N | |
| if edge_index.numel(): | |
| m, n = int(edge_index.max()), int(edge_index.min()) | |
| assert 0 <= n and m < N | |
| if edge_attr is not None: | |
| assert edge_attr.size(0) == edge_index.size(1) | |
| def __getitem__(self, idx): | |
| protein_name = self.dataframe.iloc[idx]['protein'] | |
| ligand_name = self.dataframe.iloc[idx]['ligand'] | |
| names = f'{protein_name}_{ligand_name}' | |
| # Use cache to avoid reloading the same graph | |
| if names not in self._graph_cache: | |
| graph_path = f'{self.protein_graph_path}/pyg_graph_{names}_esmc_600m.pt' | |
| # graph_path = f'{self.protein_graph_path}/pytorch_graph_{names}_protein.pt' | |
| graph = torch.load(graph_path, weights_only=False) | |
| x, pos, edge_index, edge_attr = graph.x, graph.pos, graph.edge_index, graph.edge_attr | |
| x = x.float() | |
| self._graph_cache[names] = (x, pos, edge_index, edge_attr) | |
| else: | |
| x, pos, edge_index, edge_attr = self._graph_cache[names] | |
| x = x.float() | |
| self.validate_graph(x, pos, edge_index, edge_attr) | |
| # print(f'Shapes - x: {x.shape}, pos: {pos.shape}, edge_index: {edge_index.shape}, edge_attr: {edge_attr.shape}') | |
| # print(f'Type - x: {x.dtype}, pos: {pos.dtype}, edge_index: {edge_index.dtype}, edge_attr: {edge_attr.dtype}') | |
| # Create data with explicit memory optimization | |
| graph_data = Data( | |
| x=x.to(torch.float32).contiguous(), # Ensure contiguous memory layout and dtype | |
| pos=pos.to(torch.float32).contiguous(), | |
| edge_index=edge_index.contiguous(), | |
| edge_attr=edge_attr.to(torch.float32).contiguous() # Slice and make contiguous | |
| ) | |
| graph_data.names = names | |
| return graph_data | |
| class LabelDataset(Dataset): | |
| def __init__(self, dataframe): | |
| self.dataframe = dataframe.reset_index(drop=True) | |
| def __len__(self): | |
| return len(self.dataframe) | |
| def __getitem__(self, idx): | |
| label = self.dataframe.loc[idx, "label"].astype(float) | |
| return torch.tensor(label, dtype=torch.float32) | |
| # Create Combined Dataset for use in stacked model | |
| class CombinedDataset(Dataset): | |
| def __init__(self, dataframe): | |
| self.smiles_dataset = SMILESDatasetChemberta(dataframe) | |
| # self.smiles_dataset = SMILESDataset(dataframe) | |
| self.graph_dataset = GraphDataset(dataframe) | |
| self.label_dataset = LabelDataset(dataframe) | |
| def __len__(self): | |
| return len(self.smiles_dataset) | |
| def __getitem__(self, idx): | |
| # Get data from both datasets | |
| smiles_data = self.smiles_dataset[idx] | |
| graph_data = self.graph_dataset[idx] | |
| label_data = self.label_dataset[idx] | |
| # Since both dataframes are the same, ligand names should match | |
| assert smiles_data.names == graph_data.names, "names do not match." | |
| return smiles_data, graph_data, label_data | |
| def prepare_data_composite(incl_columns:list = [], benchmark='posex_self_docking'): | |
| # Load the 'pb_ratios' and 'rmsd' datasets | |
| pb_ratios_path, rmsd_path = get_dataset_paths(benchmark) | |
| pb_ratios = pd.read_csv(pb_ratios_path) | |
| rmsd = pd.read_csv(rmsd_path) | |
| # Merge into a single DataFrame | |
| protein = [i.split('_')[0] for i in rmsd['PDB_CCD_ID']] | |
| ligand = ['_'.join(i.split('_')[1:]) for i in rmsd['PDB_CCD_ID']] | |
| rmsd.insert(0, 'protein', protein) | |
| rmsd.insert(1, 'ligand', ligand) | |
| rmsd = rmsd.drop(columns=['PDB_CCD_ID']) | |
| rmsd.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-1]) for col_name in rmsd.columns[2:]] | |
| pb_ratios.insert(0, 'protein', protein) | |
| pb_ratios.insert(1, 'ligand', ligand) | |
| pb_ratios = pb_ratios.drop(columns=['PDB_CCD_ID']) | |
| pb_ratios.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-2]) for col_name in pb_ratios.columns[2:]] | |
| pb_ratios = pb_ratios[rmsd.columns] # important: align columns | |
| # Score computation | |
| pb_scores = pb_ratios.iloc[:, 2:].map(pb_score) | |
| rmsd_scores = rmsd.iloc[:, 2:].map(rmsd_score) | |
| final_df = pb_scores * rmsd_scores | |
| final_df.insert(0, 'protein', protein) | |
| final_df.insert(1, 'ligand', ligand) | |
| # Filter to keep only the specified columns(algorithms) | |
| if len(incl_columns) > 0: | |
| final_df = final_df[final_df.columns.intersection(incl_columns+['protein', 'ligand'])] | |
| # final_df.iloc[:, 2:] = np.random.rand(final_df.shape[0], final_df.shape[1]-2) # Dummy features for testing | |
| label = [final_df.iloc[i,2:].values for i in range(len(final_df))] | |
| final_df['label'] = label | |
| num_classes = len(final_df.columns[2:-1]) | |
| # Health check of the final dataframe | |
| assert not final_df.isnull().values.any(), "DataFrame contains NaN values." | |
| assert not final_df.isin([float('inf'), float('-inf')]).values.any(), "DataFrame contains infinite values." | |
| assert all(isinstance(t, (list, np.ndarray)) for t in final_df['label']), "label column contains non-list/array values." | |
| assert all(len(t) == num_classes for t in final_df['label']), "Inconsistent label lengths." | |
| return final_df, num_classes | |
| def prepare_data_score(incl_columns:list = [], benchmark='posex_self_docking', score_path=None): | |
| if score_path is None: | |
| score_path = get_score_path(benchmark) | |
| score_df = pd.read_csv(score_path) | |
| return build_label_dataframe(score_df, incl_columns) | |
| # Directly return the RMSD scores; Currently used for evaluation only! | |
| def prepare_data_rmsd(incl_columns:list = [], benchmark='posex_self_docking'): | |
| # Load the 'pb_ratios' and 'rmsd' datasets | |
| pb_ratios_path, rmsd_path = get_dataset_paths(benchmark) | |
| pb_ratios = pd.read_csv(pb_ratios_path) | |
| rmsd = pd.read_csv(rmsd_path) | |
| # Merge into a single DataFrame | |
| protein = [i.split('_')[0] for i in rmsd['PDB_CCD_ID']] | |
| ligand = ['_'.join(i.split('_')[1:]) for i in rmsd['PDB_CCD_ID']] | |
| rmsd.insert(0, 'protein', protein) | |
| rmsd.insert(1, 'ligand', ligand) | |
| rmsd = rmsd.drop(columns=['PDB_CCD_ID']) | |
| rmsd.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-1]) for col_name in rmsd.columns[2:]] | |
| pb_ratios.insert(0, 'protein', protein) | |
| pb_ratios.insert(1, 'ligand', ligand) | |
| pb_ratios = pb_ratios.drop(columns=['PDB_CCD_ID']) | |
| pb_ratios.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-2]) for col_name in pb_ratios.columns[2:]] | |
| pb_ratios = pb_ratios[rmsd.columns] # important: align columns | |
| final_df = rmsd | |
| # Filter to keep only the specified columns(algorithms) | |
| if len(incl_columns) > 0: | |
| final_df = final_df[final_df.columns.intersection(incl_columns+['protein', 'ligand'])] | |
| label = [final_df.iloc[i,2:].values for i in range(len(final_df))] | |
| final_df['label'] = label | |
| num_classes = len(final_df.columns[2:-1]) | |
| return final_df, num_classes | |
| # Directly return the PoseBuster pass (or not); Currently used for evaluation only! | |
| def prepare_data_pose(incl_columns:list = [], benchmark='posex_self_docking'): | |
| # Load the 'pb_ratios' and 'rmsd' datasets | |
| pb_ratios_path, rmsd_path = get_dataset_paths(benchmark) | |
| pb_ratios = pd.read_csv(pb_ratios_path) | |
| rmsd = pd.read_csv(rmsd_path) | |
| # Merge into a single DataFrame | |
| protein = [i.split('_')[0] for i in rmsd['PDB_CCD_ID']] | |
| ligand = ['_'.join(i.split('_')[1:]) for i in rmsd['PDB_CCD_ID']] | |
| rmsd.insert(0, 'protein', protein) | |
| rmsd.insert(1, 'ligand', ligand) | |
| rmsd = rmsd.drop(columns=['PDB_CCD_ID']) | |
| rmsd.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-1]) for col_name in rmsd.columns[2:]] | |
| pb_ratios.insert(0, 'protein', protein) | |
| pb_ratios.insert(1, 'ligand', ligand) | |
| pb_ratios = pb_ratios.drop(columns=['PDB_CCD_ID']) | |
| pb_ratios.columns=['protein', 'ligand'] + ['_'.join(col_name.split('_')[:-2]) for col_name in pb_ratios.columns[2:]] | |
| pb_ratios = pb_ratios[rmsd.columns] # important: align columns | |
| final_df = pb_ratios.iloc[:, 2:].map(pb_score).astype(int) # True if PoseBuster passes, False otherwise | |
| final_df.insert(0, 'protein', protein) | |
| final_df.insert(1, 'ligand', ligand) | |
| # Filter to keep only the specified columns(algorithms) | |
| if len(incl_columns) > 0: | |
| final_df = final_df[final_df.columns.intersection(incl_columns+['protein', 'ligand'])] | |
| label = [final_df.iloc[i,2:].values for i in range(len(final_df))] | |
| final_df['label'] = label | |
| num_classes = len(final_df.columns[2:-1]) | |
| return final_df, num_classes |