openbind-docking / data /scripts /prepare_docking_results.py
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#!/usr/bin/env python3
"""Prepare the final OpenBind pose-level docking benchmark table."""
from __future__ import annotations
import argparse
from pathlib import Path
from typing import Any
import pandas as pd
import yaml
FINAL_DATA_COLS = [
"source",
"method",
"dock_prot",
"complex_id",
"seed",
"sample",
"rank",
"rank_score",
"rank_by_pair_iptm",
"pair_iptm",
"lddt_lp",
"pocket_bb_rmsd",
"lig_rmsd",
"lddt_pli",
"pb_valid",
"ligand_smiles",
"fragment_screen",
"artefact",
"pb_valid_groundtruth",
"filtered",
"pocket_qcov",
"sucos_shape",
"sucos_shape_pocket_qcov",
]
def load_yaml(path: Path) -> dict[str, Any]:
"""Load a YAML file and require a mapping at the top level."""
if not path.is_file():
raise FileNotFoundError(f"YAML file not found: {path}")
with path.open("r", encoding="utf-8") as handle:
data = yaml.safe_load(handle)
if not isinstance(data, dict):
raise ValueError(f"YAML root must be a mapping: {path}")
return data
def to_bool(series: pd.Series) -> pd.Series:
"""Convert common boolean representations to ``bool``."""
if pd.api.types.is_bool_dtype(series):
return series.fillna(False)
if pd.api.types.is_numeric_dtype(series):
return series.fillna(0).astype(int).astype(bool)
return (
series.fillna(False)
.astype(str)
.str.strip()
.str.lower()
.isin({"true", "t", "1", "yes", "y"})
)
def normalise_seed_column(series: pd.Series) -> pd.Series:
"""Convert labels such as ``seed_123`` to integer seed values."""
values = series.astype(str).str.extract(r"^seed_(\d+)$", expand=False)
if values.isna().any():
bad = series[values.isna()].astype(str).unique()[:10]
raise ValueError(f"Invalid seed labels: {bad.tolist()}")
return values.astype("Int64")
def normalise_sample_column(series: pd.Series) -> pd.Series:
"""Convert pose sample identifiers to integers."""
values = pd.to_numeric(series, errors="coerce")
if values.isna().any():
bad = series[values.isna()].astype(str).unique()[:10]
raise ValueError(f"Invalid sample values: {bad.tolist()}")
return values.astype("Int64")
def read_annotations(path: Path) -> pd.DataFrame:
"""Read and validate ``annotated_complexes.csv``."""
if not path.is_file():
raise FileNotFoundError(f"Annotation file not found: {path}")
annotations = pd.read_csv(path)
required = {"complex_name", "smiles", "fragment_screen", "pb_valid", "artefact"}
missing = required - set(annotations.columns)
if missing:
raise ValueError(f"Annotation file is missing columns: {sorted(missing)}")
if annotations["complex_name"].duplicated().any():
duplicates = annotations.loc[
annotations["complex_name"].duplicated(), "complex_name"
].unique()
raise ValueError(f"Duplicate complex_name entries: {duplicates[:10].tolist()}")
annotations = annotations.rename(
columns={
"complex_name": "complex_id",
"smiles": "ligand_smiles",
"pb_valid": "pb_valid_groundtruth",
}
)
annotations["fragment_screen"] = to_bool(annotations["fragment_screen"])
annotations["pb_valid_groundtruth"] = to_bool(annotations["pb_valid_groundtruth"])
annotations["artefact"] = to_bool(annotations["artefact"])
annotations["filtered"] = (~annotations["pb_valid_groundtruth"]) | annotations[
"artefact"
]
return annotations[
[
"complex_id",
"ligand_smiles",
"fragment_screen",
"artefact",
"pb_valid_groundtruth",
"filtered",
]
].copy()
def read_docking_file(path: Path) -> pd.DataFrame:
"""Read and standardise one analysed docking Parquet file."""
df = pd.read_parquet(path).rename(
columns={
"lddt-pli": "lddt_pli",
"pocket_qcov-2021-09-30": "pocket_qcov",
"sucos_shape-2021-09-30": "sucos_shape",
"sucos_shape_pocket_qcov-2021-09-30": "sucos_shape_pocket_qcov",
}
)
required = {
"method",
"dock_prot",
"complex_id",
"seed",
"sample",
"rank_score",
"lig_rmsd",
"lddt_pli",
"pb_valid",
}
missing = required - set(df.columns)
if missing:
raise ValueError(f"{path} is missing required columns: {sorted(missing)}")
df["seed"] = normalise_seed_column(df["seed"])
df["sample"] = normalise_sample_column(df["sample"])
for column in ("rank_score", "lig_rmsd", "lddt_pli"):
df[column] = pd.to_numeric(df[column], errors="raise")
df["pb_valid"] = to_bool(df["pb_valid"])
df["source"] = "docking"
keep = [
"source",
"method",
"dock_prot",
"complex_id",
"seed",
"sample",
"rank_score",
"lddt_lp",
"pocket_bb_rmsd",
"lig_rmsd",
"lddt_pli",
"pb_valid",
"pocket_qcov",
"sucos_shape",
"sucos_shape_pocket_qcov",
]
return df[[column for column in keep if column in df.columns]].copy()
def configured_runs(config: dict[str, Any]) -> list[str]:
"""Return all configured method/mode run labels."""
modes = config.get("modes")
methods = config.get("methods")
if (
not isinstance(modes, list)
or not modes
or not all(isinstance(mode, str) for mode in modes)
):
raise ValueError("Docking config 'modes' must be a non-empty list of strings")
if not isinstance(methods, dict) or not methods:
raise ValueError("Docking config 'methods' must be a non-empty mapping")
return [f"{method}_{mode}" for method in methods for mode in modes]
def load_docking_data(
parquet_dir: Path,
config: dict[str, Any],
) -> pd.DataFrame:
"""Load available Parquet files for configured docking runs."""
available_files: list[Path] = []
missing_files: list[Path] = []
for run_label in configured_runs(config):
path = parquet_dir / f"{run_label}.parquet"
if path.is_file() and path.stat().st_size > 0:
available_files.append(path)
else:
missing_files.append(path)
if missing_files:
print(
"Warning: configured analysis files are missing and will be skipped:",
flush=True,
)
for path in missing_files:
print(f" {path}", flush=True)
if not available_files:
raise FileNotFoundError(
"None of the configured analysis Parquet files are available."
)
print(
f"Loading {len(available_files)} of "
f"{len(available_files) + len(missing_files)} configured analysis runs."
)
return pd.concat(
[read_docking_file(path) for path in available_files],
ignore_index=True,
sort=False,
)
def add_annotations(docking_df: pd.DataFrame, annotation_file: Path) -> pd.DataFrame:
"""Merge ground-truth annotations and require complete coverage."""
annotations = read_annotations(annotation_file)
merged = docking_df.merge(
annotations, on="complex_id", how="left", validate="many_to_one"
)
missing = merged.loc[merged["ligand_smiles"].isna(), "complex_id"].unique()
if len(missing):
raise ValueError(
f"Docking complexes missing from annotation file: {missing[:10].tolist()}"
)
return merged
def method_seeds(config: dict[str, Any], method: str) -> list[int]:
"""Return configured seeds for one docking method."""
methods = config.get("methods")
if not isinstance(methods, dict) or not isinstance(methods.get(method), dict):
raise ValueError(f"Docking config is missing method '{method}'")
seeds = methods[method].get("seeds")
if (
not isinstance(seeds, list)
or not seeds
or not all(isinstance(seed, int) for seed in seeds)
):
raise ValueError(
f"Method '{method}' must define a non-empty integer seeds list"
)
return seeds
def num_top_poses(config: dict[str, Any]) -> int:
"""Return the number of top poses retained per method and complex."""
analysis = config.get("analysis")
if not isinstance(analysis, dict):
raise ValueError("Docking config must define an 'analysis' mapping")
top_poses = analysis.get("num_top_poses")
if not isinstance(top_poses, int) or top_poses < 1:
raise ValueError("analysis.num_top_poses must be a positive integer")
return top_poses
def select_final_data(docking_df: pd.DataFrame, config: dict[str, Any]) -> pd.DataFrame:
"""Retain the configured number of top poses per method and complex."""
top_poses = num_top_poses(config)
selected_frames: list[pd.DataFrame] = []
for method in sorted(docking_df["method"].dropna().unique()):
seeds = method_seeds(config, str(method))
method_df = docking_df[docking_df["method"].eq(method)].copy()
if method in {"gnina", "smina"}:
selected = method_df[
method_df["seed"].eq(seeds[0]) & method_df["sample"].lt(top_poses)
]
elif method == "diffdock":
if top_poses % len(seeds) != 0:
raise ValueError(
f"analysis.num_top_poses ({top_poses}) must be divisible by the number "
f"of DiffDock seeds ({len(seeds)})"
)
poses_per_seed = top_poses // len(seeds)
selected = method_df[
method_df["seed"].isin(seeds) & method_df["sample"].lt(poses_per_seed)
]
else:
raise ValueError(f"Unsupported method in analysed data: {method}")
selected_frames.append(selected)
final_df = pd.concat(selected_frames, ignore_index=True)
if final_df.empty:
raise ValueError("No docking rows matched the configured top-pose selection")
if final_df["rank_score"].isna().any():
raise ValueError("Selected docking rows contain missing rank_score values")
final_df = final_df.sort_values(
["method", "dock_prot", "complex_id", "rank_score", "seed", "sample"],
ascending=[True, True, True, False, True, True],
kind="mergesort",
).copy()
final_df["rank"] = final_df.groupby(
["method", "dock_prot", "complex_id"]
).cumcount()
final_df["rank_by_pair_iptm"] = pd.NA
final_df["pair_iptm"] = pd.NA
for column in FINAL_DATA_COLS:
if column not in final_df.columns:
final_df[column] = pd.NA
return (
final_df[FINAL_DATA_COLS]
.sort_values(
["method", "dock_prot", "complex_id", "rank", "seed", "sample"],
kind="mergesort",
)
.reset_index(drop=True)
)
def print_summary(df: pd.DataFrame) -> None:
"""Print final pose-table coverage."""
print(f"Docking rows: {len(df)}")
print(
df.groupby(["method", "dock_prot"])
.agg(
n_rows=("complex_id", "size"),
n_complexes=("complex_id", "nunique"),
n_seeds=("seed", "nunique"),
min_sample=("sample", "min"),
max_sample=("sample", "max"),
)
.reset_index()
.to_string(index=False)
)
def write_outputs(df: pd.DataFrame, output_dir: Path) -> None:
"""Write final docking CSV and Parquet files."""
output_dir.mkdir(parents=True, exist_ok=True)
csv_path = output_dir / "final_docking_pose_data.csv"
parquet_path = output_dir / "final_docking_pose_data.parquet"
df.to_csv(csv_path, index=False)
df.to_parquet(parquet_path, index=False)
print(f"Wrote: {csv_path}")
print(f"Wrote: {parquet_path}")
def build_parser() -> argparse.ArgumentParser:
"""Build the command-line parser."""
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"analysis_dir",
type=Path,
help="Analysis directory containing the 'parquet' subdirectory.",
)
parser.add_argument(
"--config", required=True, type=Path, help="Docking experiment YAML file."
)
parser.add_argument(
"--annotation-file",
type=Path,
default=None,
help="annotated_complexes.csv (default: sibling dataset file).",
)
parser.add_argument(
"--output-dir",
type=Path,
default=None,
help="Final output directory (default: analysis directory).",
)
return parser
def main() -> None:
"""Prepare the final pose-level docking table."""
args = build_parser().parse_args()
analysis_dir = args.analysis_dir.expanduser().resolve()
if not analysis_dir.is_dir():
raise FileNotFoundError(f"Analysis directory not found: {analysis_dir}")
parquet_dir = analysis_dir / "parquet"
if not parquet_dir.is_dir():
raise FileNotFoundError(f"Analysis Parquet directory not found: {parquet_dir}")
config = load_yaml(args.config.expanduser().resolve())
annotation_file = (
args.annotation_file.expanduser().resolve()
if args.annotation_file is not None
else analysis_dir.parent / "annotated_complexes.csv"
)
output_dir = (
args.output_dir.expanduser().resolve()
if args.output_dir is not None
else analysis_dir
)
docking_df = load_docking_data(parquet_dir, config)
docking_df = add_annotations(docking_df, annotation_file)
final_df = select_final_data(docking_df, config)
write_outputs(final_df, output_dir)
print_summary(final_df)
if __name__ == "__main__":
main()