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oracles.py
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oracles.py
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import pandas as pd
import numpy as np
import os, sys, json
import warnings
from packaging import version
import pkg_resources
warnings.filterwarnings("ignore")
from .utils import fuzzy_search, oracle_load, receptor_load
from .metadata import (
download_oracle_names,
oracle_names,
distribution_oracles,
docking_oracles,
download_receptor_oracle_name,
docking_target_info,
)
SKLEARN_VERSION = version.parse(
pkg_resources.get_distribution("scikit-learn").version)
def _normalize_docking_score(raw_score):
return 1 / (1 + np.exp((raw_score + 7.5)))
class Oracle:
"""the oracle class to retrieve any oracle given by query name
Args:
name (str): the name of the oracle
target_smiles (None, optional): target smiles for some meta-oracles
num_max_call (None, optional): number of maximum calls for oracle, used by docking group
**kwargs: additional parameters for some oracles
"""
def __init__(self, name, target_smiles=None, num_max_call=None, **kwargs):
"""Summary"""
self.target_smiles = target_smiles
self.kwargs = kwargs
self.normalize = lambda x: x
name = fuzzy_search(name, oracle_names)
if name == "drd3_docking":
name = "3pbl_docking"
if name == "drd3_docking_normalize":
name = "3pbl_docking_normalize"
if name in download_oracle_names:
if name in ["jnk3", "gsk3b", "drd2"]:
if SKLEARN_VERSION >= version.parse("0.24.0"):
name += "_current"
### download
##### e.g., jnk, gsk, drd2, ...
self.name = oracle_load(name)
elif name in download_receptor_oracle_name:
## '1iep_docking', '2rgp_docking', '7l11_docking', 'drd3_docking', '3pbl_docking',
pdbid = name.split("_")[0]
self.name = receptor_load(pdbid)
self.pdbid = self.name
self.name += "_docking"
if "normalize" in name:
self.name += "_normalize"
self.normalize = _normalize_docking_score
else:
self.name = name
self.evaluator_func = None
self.assign_evaluator()
self.num_called = 0
if num_max_call is not None:
self.num_max_call = num_max_call
else:
self.num_max_call = None
def assign_evaluator(self):
"""assign the specific oracle function given by query oracle name"""
self.default_property = 0.0
if self.name == "logp":
from .chem_utils import penalized_logp
self.evaluator_func = penalized_logp
elif self.name == "qed":
from .chem_utils import qed
self.evaluator_func = qed
# elif self.name == 'drd2':
elif "drd2" in self.name:
from .chem_utils import drd2
self.evaluator_func = drd2
elif self.name == "cyp3a4_veith":
from .chem_utils import cyp3a4_veith
self.evaluator_func = cyp3a4_veith
elif self.name == "sa":
from .chem_utils import SA
self.evaluator_func = SA
# elif self.name == 'gsk3b':
elif "gsk3b" in self.name:
from .chem_utils import gsk3b
oracle_object = gsk3b
self.evaluator_func = oracle_object
# elif self.name == 'jnk3':
elif "jnk3" in self.name:
from .chem_utils import jnk3
oracle_object = jnk3()
self.evaluator_func = oracle_object
elif self.name == "similarity_meta":
from .chem_utils import similarity_meta
self.evaluator_func = similarity_meta(
target_smiles=self.target_smiles, **self.kwargs)
elif self.name == "rediscovery_meta":
from .chem_utils import rediscovery_meta
self.evaluator_func = rediscovery_meta(
target_smiles=self.target_smiles, **self.kwargs)
elif self.name == "isomer_meta":
from .chem_utils import isomer_meta
self.evaluator_func = isomer_meta(target_smiles=self.target_smiles,
**self.kwargs)
elif self.name == "median_meta":
from .chem_utils import median_meta
self.evaluator_func = median_meta(
target_smiles_1=self.target_smiles[0],
target_smiles_2=self.target_smiles[1],
**self.kwargs)
elif self.name == "rediscovery":
from .chem_utils import (
celecoxib_rediscovery,
troglitazone_rediscovery,
thiothixene_rediscovery,
)
self.evaluator_func = {
"Celecoxib": celecoxib_rediscovery,
"Troglitazone": troglitazone_rediscovery,
"Thiothixene": thiothixene_rediscovery,
}
elif self.name == "celecoxib_rediscovery":
from .chem_utils import celecoxib_rediscovery
self.evaluator_func = celecoxib_rediscovery
elif self.name == "troglitazone_rediscovery":
from .chem_utils import troglitazone_rediscovery
self.evaluator_func = troglitazone_rediscovery
elif self.name == "thiothixene_rediscovery":
from .chem_utils import thiothixene_rediscovery
self.evaluator_func = thiothixene_rediscovery
elif self.name == "similarity":
from .chem_utils import (
aripiprazole_similarity,
albuterol_similarity,
mestranol_similarity,
)
self.evaluator_func = {
"Aripiprazole": aripiprazole_similarity,
"Albuterol": albuterol_similarity,
"Mestranol": mestranol_similarity,
}
elif self.name == "aripiprazole_similarity":
from .chem_utils import aripiprazole_similarity
self.evaluator_func = aripiprazole_similarity
elif self.name == "albuterol_similarity":
from .chem_utils import albuterol_similarity
self.evaluator_func = albuterol_similarity
elif self.name == "mestranol_similarity":
from .chem_utils import mestranol_similarity
self.evaluator_func = mestranol_similarity
elif self.name == "median":
from .chem_utils import median1, median2
self.evaluator_func = {"Median 1": median1, "Median 2": median2}
elif self.name == "median1":
from .chem_utils import median1
self.evaluator_func = median1
elif self.name == "median2":
from .chem_utils import median2
self.evaluator_func = median2
elif self.name == "mpo":
from .chem_utils import (
osimertinib_mpo,
fexofenadine_mpo,
ranolazine_mpo,
perindopril_mpo,
amlodipine_mpo,
sitagliptin_mpo,
zaleplon_mpo,
)
self.evaluator_func = {
"Osimertinib": osimertinib_mpo,
"Fexofenadine": fexofenadine_mpo,
"Ranolazine": ranolazine_mpo,
"Perindopril": perindopril_mpo,
"Amlodipine": amlodipine_mpo,
"Sitagliptin": sitagliptin_mpo,
"Zaleplon": zaleplon_mpo,
}
elif self.name == "osimertinib_mpo":
from .chem_utils import osimertinib_mpo
self.evaluator_func = osimertinib_mpo
elif self.name == "fexofenadine_mpo":
from .chem_utils import fexofenadine_mpo
self.evaluator_func = fexofenadine_mpo
elif self.name == "ranolazine_mpo":
from .chem_utils import ranolazine_mpo
self.evaluator_func = ranolazine_mpo
elif self.name == "perindopril_mpo":
from .chem_utils import perindopril_mpo
self.evaluator_func = perindopril_mpo
elif self.name == "amlodipine_mpo":
from .chem_utils import amlodipine_mpo
self.evaluator_func = amlodipine_mpo
elif self.name == "sitagliptin_mpo_prev":
from .chem_utils import sitagliptin_mpo_prev
self.evaluator_func = sitagliptin_mpo_prev
elif self.name == "sitagliptin_mpo":
from .chem_utils import sitagliptin_mpo
self.evaluator_func = sitagliptin_mpo
elif self.name == "zaleplon_mpo_prev":
from .chem_utils import zaleplon_mpo_prev
self.evaluator_func = zaleplon_mpo_prev
elif self.name == "zaleplon_mpo":
from .chem_utils import zaleplon_mpo
self.evaluator_func = zaleplon_mpo
elif self.name == "valsartan_smarts":
from .chem_utils import valsartan_smarts
self.evaluator_func = valsartan_smarts
elif self.name == "hop":
from .chem_utils import deco_hop, scaffold_hop
self.evaluator_func = {
"Deco Hop": deco_hop,
"Scaffold Hop": scaffold_hop
}
elif self.name == "deco_hop":
from .chem_utils import deco_hop
self.evaluator_func = deco_hop
elif self.name == "scaffold_hop":
from .chem_utils import scaffold_hop
self.evaluator_func = scaffold_hop
elif self.name == "isomers_c7h8n2o2":
from .chem_utils import isomers_c7h8n2o2
self.evaluator_func = isomers_c7h8n2o2
elif self.name == "isomers_c9h10n2o2pf2cl":
from .chem_utils import isomers_c9h10n2o2pf2cl
self.evaluator_func = isomers_c9h10n2o2pf2cl
elif self.name == "isomers_c11h24":
from .chem_utils import isomers_c11h24
self.evaluator_func = isomers_c11h24
elif self.name == "isomers":
from .chem_utils import isomers_c7h8n2o2, isomers_c9h10n2o2pf2cl
self.evaluator_func = {
"c7h8n2o2": isomers_c7h8n2o2,
"c9h10n2o2pf2cl": isomers_c9h10n2o2pf2cl,
}
elif self.name == "askcos": #### synthetic analysis
from .chem_utils import askcos
self.evaluator_func = askcos
elif self.name == "ibm_rxn":
from .chem_utils import ibm_rxn
self.evaluator_func = ibm_rxn
elif self.name == "molecule_one_synthesis":
from .chem_utils import molecule_one_retro
self.evaluator_func = molecule_one_retro(**self.kwargs)
elif self.name == "pyscreener":
from .chem_utils import PyScreener_meta
self.evaluator_func = PyScreener_meta(**self.kwargs)
elif self.name == "docking_score":
from .chem_utils import Vina_smiles
self.evaluator_func = Vina_smiles(**self.kwargs)
elif self.name == "drd3_docking_vina" or self.name == "3pbl_docking_vina":
from .chem_utils import Vina_smiles
pdbid = "3pbl"
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif (self.name == "drd3_docking" or self.name == "3pbl_docking" or
self.name == "drd3_docking_normalize" or
self.name == "3pbl_docking_normalize"):
from .chem_utils import PyScreener_meta
pdbid = "3pbl"
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "1iep_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "1iep_docking" or self.name == "1iep_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "2rgp_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "2rgp_docking" or self.name == "2rgp_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "3eml_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "3eml_docking" or self.name == "3eml_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "3ny8_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "3ny8_docking" or self.name == "3ny8_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "4rlu_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "4rlu_docking" or self.name == "4rlu_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "4unn_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "4unn_docking" or self.name == "4unn_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "5mo4_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "5mo4_docking" or self.name == "5mo4_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
elif self.name == "7l11_docking_vina":
from .chem_utils import Vina_smiles
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = Vina_smiles(
receptor_pdbqt_file="./oracle/" + pdbid + ".pdbqt",
center=center,
box_size=boxsize,
)
elif self.name == "7l11_docking" or self.name == "7l11_docking_normalize":
from .chem_utils import PyScreener_meta
pdbid = self.name.split("_")[0]
center = docking_target_info[pdbid]["center"]
boxsize = docking_target_info[pdbid]["size"]
self.evaluator_func = PyScreener_meta(
receptor_pdb_file="./oracle/" + pdbid + ".pdb",
box_center=center,
box_size=boxsize,
)
# elif self.name == '3pbl_docking':
# from .chem_utils import Vina_smiles
# pdbid = self.name.split('_')[0]
# center = docking_target_info[pdbid]['center']
# boxsize = docking_target_info[pdbid]['size']
# self.evaluator_func = Vina_smiles(receptor_pdbqt_file='./oracle/'+pdbid+'.pdbqt',
# center = center,
# box_size = boxsize)
elif self.name == "uniqueness":
from .chem_utils import uniqueness
self.evaluator_func = uniqueness
elif self.name == "validity":
from .chem_utils import validity
self.evaluator_func = validity
elif self.name == "diversity":
from .chem_utils import diversity
self.evaluator_func = diversity
elif self.name == "novelty":
from .chem_utils import novelty
self.evaluator_func = novelty
elif self.name == "fcd_distance":
from .chem_utils import fcd_distance
self.evaluator_func = fcd_distance
elif self.name == "kl_divergence":
from .chem_utils import kl_divergence
self.evaluator_func = kl_divergence
elif self.name == "smina":
from .chem_utils import smina
self.evaluator_func = smina
else:
return
def __call__(self, *args, **kwargs):
"""call the oracle function on SMILES to genenerate scores
Args:
*args: a list of SMILES/a string of SMILES
**kwargs: additional parameters for some oracles
Returns:
float/list: the oracle score(s) for a single/list of SMILES
Raises:
ValueError: reached number of maximum calls if set and has queries the oracle more than the internal call counters
"""
if self.name in distribution_oracles:
## 'novelty', 'diversity', 'uniqueness', 'validity', 'fcd_distance', 'kl_divergence'
return self.evaluator_func(*args, **kwargs)
if self.name in docking_oracles:
return self.evaluator_func(*args, **kwargs)
from rdkit import Chem
smiles_lst = args[0]
if self.name == "molecule_one_synthesis":
return self.evaluator_func(*args, **kwargs)
if type(smiles_lst) == list:
nonvalid_smiles_idx_lst, valid_smiles_lst, valid_smiles_idx_lst = [], [], []
NN = len(smiles_lst)
for idx, smiles in enumerate(smiles_lst):
if Chem.MolFromSmiles(smiles) == None:
nonvalid_smiles_idx_lst.append(idx)
else:
valid_smiles_idx_lst.append(idx)
valid_smiles_lst.append(smiles)
smiles_lst = valid_smiles_lst
self.num_called += len(smiles_lst)
if self.num_max_call is not None:
if self.num_max_call < self.num_called:
self.num_called -= len(smiles_lst)
raise ValueError(
"The maximum number of evaluator call is reached! The maximum is: "
+ str(self.num_max_call) +
". The current requested call (plus accumulated calls) is: "
+ str(self.num_called + len(smiles_lst)))
#### evaluator for single molecule,
#### the input of __call__ is a single smiles OR list of smiles
if isinstance(self.evaluator_func, dict):
all_ = {}
for i, fct in self.evaluator_func.items():
results_lst = []
for smiles in smiles_lst:
results_lst.append(fct(smiles, *(args[1:]), **kwargs))
all_[i] = results_lst
return all_
else:
results_lst = []
if not self.name == "docking_score":
for smiles in smiles_lst:
results_lst.append(
self.normalize(
self.evaluator_func(smiles, *(args[1:]),
**kwargs)))
else:
results_lst = []
for smiles in smiles_lst:
try:
results = self.evaluator_func([smiles], *(args[1:]),
**kwargs)
results = results[0]
except:
results = self.default_property
results_lst.append(results)
# results_lst = self.evaluator_func(smiles_lst, *(args[1:]), **kwargs)
results_lst = [self.normalize(i) for i in results_lst]
all_results_lst = [self.default_property for i in range(NN)]
for idx, result in zip(valid_smiles_idx_lst, results_lst):
all_results_lst[idx] = result
return all_results_lst
else: ### a string of SMILES
if Chem.MolFromSmiles(smiles_lst) == None:
return self.default_property
self.num_called += 1
if self.num_max_call is not None:
if self.num_max_call < self.num_called:
self.num_called -= 1
raise ValueError(
"The maximum number of evaluator call is reached! The maximum is: "
+ str(self.num_max_call) +
". The current requested call (plus accumulated calls) is: "
+ str(self.num_called + 1))
## a single smiles
if type(self.evaluator_func) == dict:
all_ = {}
for i, fct in self.evaluator_func.items():
all_[i] = fct(*args, **kwargs)
return all_
else:
try:
score = self.evaluator_func(*args, **kwargs)
except:
score = self.default_property
return self.normalize(score)
# return self.normalize(self.evaluator_func(*args, **kwargs))