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45c88e4e1e
* Refactor Atom.cpp to create a hasValenceViolation method that uses existing valence checking code * work without exceptions * get rid of the snake_case * put free functions in an unnamed namespace --------- Co-authored-by: greg landrum <greg.landrum@gmail.com>
530 lines
22 KiB
C++
530 lines
22 KiB
C++
//
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// Copyright (C) 2003-2017 Greg Landrum and Rational Discovery LLC
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//
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// @@ All Rights Reserved @@
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// This file is part of the RDKit.
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// The contents are covered by the terms of the BSD license
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// which is included in the file license.txt, found at the root
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// of the RDKit source tree.
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//
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#define NO_IMPORT_ARRAY
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#include <RDBoost/python.h>
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#include <string>
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#include <GraphMol/RDKitBase.h>
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#include <GraphMol/QueryAtom.h>
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#include <GraphMol/MonomerInfo.h>
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#include <RDGeneral/types.h>
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#include <Geometry/point.h>
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#include <GraphMol/SmilesParse/SmilesWrite.h>
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#include <GraphMol/SmilesParse/SmartsWrite.h>
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#include <RDBoost/Wrap.h>
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#include "seqs.hpp"
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#include "props.hpp"
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#include <algorithm>
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namespace python = boost::python;
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namespace RDKit {
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void expandQuery(QueryAtom *self, const QueryAtom *other,
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Queries::CompositeQueryType how, bool maintainOrder) {
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if (other->hasQuery()) {
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const QueryAtom::QUERYATOM_QUERY *qry = other->getQuery();
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self->expandQuery(qry->copy(), how, maintainOrder);
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}
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}
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void setQuery(QueryAtom *self, const QueryAtom *other) {
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if (other->hasQuery()) {
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self->setQuery(other->getQuery()->copy());
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}
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}
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template <class T>
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void AtomSetProp(const Atom *atom, const char *key, const T &val) {
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// std::cerr<<"asp: "<<atom<<" " << key<<" - " << val << std::endl;
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atom->setProp<T>(key, val);
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}
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int AtomHasProp(const Atom *atom, const char *key) {
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// std::cerr<<"ahp: "<<atom<<" " << key<< std::endl;
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int res = atom->hasProp(key);
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return res;
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}
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void AtomClearProp(const Atom *atom, const char *key) {
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if (!atom->hasProp(key)) {
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return;
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}
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atom->clearProp(key);
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}
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python::tuple AtomGetNeighbors(Atom *atom) {
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python::list res;
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for (auto nbr : atom->getOwningMol().atomNeighbors(atom)) {
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res.append(python::ptr(nbr));
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}
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return python::tuple(res);
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}
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python::tuple AtomGetBonds(Atom *atom) {
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python::list res;
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for (auto bond : atom->getOwningMol().atomBonds(atom)) {
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res.append(python::ptr(bond));
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}
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return python::tuple(res);
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}
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bool AtomIsInRing(const Atom *atom) {
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if (!atom->getOwningMol().getRingInfo()->isSssrOrBetter()) {
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MolOps::findSSSR(atom->getOwningMol());
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}
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return atom->getOwningMol().getRingInfo()->numAtomRings(atom->getIdx()) != 0;
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}
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bool AtomIsInRingSize(const Atom *atom, int size) {
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if (!atom->getOwningMol().getRingInfo()->isSssrOrBetter()) {
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MolOps::findSSSR(atom->getOwningMol());
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}
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return atom->getOwningMol().getRingInfo()->isAtomInRingOfSize(atom->getIdx(),
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size);
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}
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std::string AtomGetSmarts(const Atom *atom, bool doKekule, bool allHsExplicit,
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bool isomericSmiles) {
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std::string res;
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if (atom->hasQuery()) {
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res = SmartsWrite::GetAtomSmarts(static_cast<const QueryAtom *>(atom));
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} else {
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// FIX: this should not be necessary
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res = SmilesWrite::GetAtomSmiles(atom, doKekule, nullptr, allHsExplicit,
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isomericSmiles);
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}
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return res;
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}
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void SetAtomMonomerInfo(Atom *atom, const AtomMonomerInfo *info) {
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atom->setMonomerInfo(info->copy());
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}
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AtomMonomerInfo *AtomGetMonomerInfo(Atom *atom) {
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return atom->getMonomerInfo();
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}
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void AtomSetPDBResidueInfo(Atom *atom, const AtomMonomerInfo *info) {
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if (info->getMonomerType() != AtomMonomerInfo::PDBRESIDUE) {
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throw_value_error("MonomerInfo is not a PDB Residue");
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}
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atom->setMonomerInfo(info->copy());
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}
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AtomPDBResidueInfo *AtomGetPDBResidueInfo(Atom *atom) {
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AtomMonomerInfo *res = atom->getMonomerInfo();
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if (!res) {
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return nullptr;
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}
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if (res->getMonomerType() != AtomMonomerInfo::PDBRESIDUE) {
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throw_value_error("MonomerInfo is not a PDB Residue");
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}
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return (AtomPDBResidueInfo *)res;
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}
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struct MDLDummy {};
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struct DaylightDummy {};
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// FIX: is there any reason at all to not just prevent the construction of
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// Atoms?
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std::string atomClassDoc =
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"The class to store Atoms.\n\
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Note that, though it is possible to create one, having an Atom on its own\n\
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(i.e not associated with a molecule) is not particularly useful.\n";
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struct atom_wrapper {
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static void wrap() {
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python::class_<Atom>(
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"Atom", atomClassDoc.c_str(),
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python::init<std::string>(python::args("self", "what")))
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.def(python::init<const Atom &>(python::args("self", "other")))
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.def(python::init<unsigned int>(python::args("self", "num"),
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"Constructor, takes the atomic number"))
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.def("__copy__", &Atom::copy,
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python::return_value_policy<
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python::manage_new_object,
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python::with_custodian_and_ward_postcall<0, 1>>(),
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python::args("self"), "Create a copy of the atom")
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.def("GetAtomicNum", &Atom::getAtomicNum, python::args("self"),
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"Returns the atomic number.")
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.def("SetAtomicNum", &Atom::setAtomicNum,
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python::args("self", "newNum"),
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"Sets the atomic number, takes an integer value as an argument")
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.def("GetSymbol", &Atom::getSymbol, python::args("self"),
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"Returns the atomic symbol (a string)\n")
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.def("GetIdx", &Atom::getIdx, python::args("self"),
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"Returns the atom's index (ordering in the molecule)\n")
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.def("GetDegree", &Atom::getDegree, python::args("self"),
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"Returns the degree of the atom in the molecule.\n\n"
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" The degree of an atom is defined to be its number of\n"
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" directly-bonded neighbors.\n"
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" The degree is independent of bond orders, but is dependent\n"
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" on whether or not Hs are explicit in the graph.\n")
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.def("GetTotalDegree", &Atom::getTotalDegree, python::args("self"),
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"Returns the degree of the atom in the molecule including Hs.\n\n"
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" The degree of an atom is defined to be its number of\n"
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" directly-bonded neighbors.\n"
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" The degree is independent of bond orders.\n")
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.def("GetTotalNumHs", &Atom::getTotalNumHs,
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(python::arg("self"), python::arg("includeNeighbors") = false),
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"Returns the total number of Hs (explicit and implicit) on the "
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"atom.\n\n"
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" ARGUMENTS:\n\n"
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" - includeNeighbors: (optional) toggles inclusion of "
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"neighboring H atoms in the sum.\n"
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" Defaults to 0.\n")
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.def("GetNumImplicitHs", &Atom::getNumImplicitHs, python::args("self"),
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"Returns the total number of implicit Hs on the atom.\n")
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.def("GetExplicitValence", &Atom::getExplicitValence,
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python::args("self"),
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"Returns the explicit valence of the atom.\n")
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.def("GetImplicitValence", &Atom::getImplicitValence,
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python::args("self"),
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"Returns the number of implicit Hs on the atom.\n")
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.def("GetTotalValence", &Atom::getTotalValence, python::args("self"),
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"Returns the total valence (explicit + implicit) of the atom.\n\n")
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.def("HasValenceViolation", &Atom::hasValenceViolation,
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"Returns whether the atom has a valence violation or not.\n\n")
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.def("GetFormalCharge", &Atom::getFormalCharge, python::args("self"))
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.def("SetFormalCharge", &Atom::setFormalCharge,
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python::args("self", "what"))
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.def("SetNoImplicit", &Atom::setNoImplicit,
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python::args("self", "what"),
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"Sets a marker on the atom that *disallows* implicit Hs.\n"
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" This holds even if the atom would otherwise have implicit Hs "
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"added.\n")
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.def("GetNoImplicit", &Atom::getNoImplicit, python::args("self"),
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"Returns whether or not the atom is *allowed* to have implicit "
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"Hs.\n")
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.def("SetNumExplicitHs", &Atom::setNumExplicitHs,
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python::args("self", "what"))
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.def("GetNumExplicitHs", &Atom::getNumExplicitHs, python::args("self"))
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.def("SetIsAromatic", &Atom::setIsAromatic,
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python::args("self", "what"))
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.def("GetIsAromatic", &Atom::getIsAromatic, python::args("self"))
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.def("GetMass", &Atom::getMass, python::args("self"))
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.def("SetIsotope", &Atom::setIsotope, python::args("self", "what"))
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.def("GetIsotope", &Atom::getIsotope, python::args("self"))
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.def("SetNumRadicalElectrons", &Atom::setNumRadicalElectrons,
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python::args("self", "num"))
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.def("GetNumRadicalElectrons", &Atom::getNumRadicalElectrons,
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python::args("self"))
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.def("GetQueryType", &Atom::getQueryType, python::args("self"))
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.def("SetChiralTag", &Atom::setChiralTag, python::args("self", "what"))
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.def("InvertChirality", &Atom::invertChirality, python::args("self"))
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.def("GetChiralTag", &Atom::getChiralTag, python::args("self"))
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.def("SetHybridization", &Atom::setHybridization,
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python::args("self", "what"),
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"Sets the hybridization of the atom.\n"
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" The argument should be a HybridizationType\n")
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.def("GetHybridization", &Atom::getHybridization, python::args("self"),
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"Returns the atom's hybridization.\n")
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.def("HasOwningMol", &Atom::hasOwningMol, python::args("self"),
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"Returns whether or not this instance belongs to a molecule.\n")
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.def("GetOwningMol", &Atom::getOwningMol,
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"Returns the Mol that owns this atom.\n",
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python::return_internal_reference<>(), python::args("self"))
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.def("GetNeighbors", AtomGetNeighbors, python::args("self"),
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"Returns a read-only sequence of the atom's neighbors\n")
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.def("GetBonds", AtomGetBonds, python::args("self"),
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"Returns a read-only sequence of the atom's bonds\n")
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.def("Match", (bool(Atom::*)(const Atom *) const) & Atom::Match,
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python::args("self", "what"),
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"Returns whether or not this atom matches another Atom.\n\n"
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" Each Atom (or query Atom) has a query function which is\n"
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" used for this type of matching.\n\n"
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" ARGUMENTS:\n"
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" - other: the other Atom to which to compare\n")
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.def("IsInRingSize", AtomIsInRingSize, python::args("self", "size"),
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"Returns whether or not the atom is in a ring of a particular "
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"size.\n\n"
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" ARGUMENTS:\n"
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" - size: the ring size to look for\n")
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.def("IsInRing", AtomIsInRing, python::args("self"),
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"Returns whether or not the atom is in a ring\n\n")
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.def("HasQuery", &Atom::hasQuery, python::args("self"),
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"Returns whether or not the atom has an associated query\n\n")
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.def("DescribeQuery", describeQuery, python::args("self"),
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"returns a text description of the query. Primarily intended for "
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"debugging purposes.\n\n")
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.def("GetSmarts", AtomGetSmarts,
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(python::arg("self"), python::arg("doKekule") = false,
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python::arg("allHsExplicit") = false,
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python::arg("isomericSmiles") = true),
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"returns the SMARTS (or SMILES) string for an Atom\n\n")
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// properties
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.def("SetProp", AtomSetProp<std::string>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (a string).\n"
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" - value: the property value (a string).\n\n")
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.def(
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"GetProp", GetPyProp<Atom>,
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(python::arg("self"), python::arg("key"),
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python::arg("autoConvert") = false),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (a string).\n\n"
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" - autoConvert: if True attempt to convert the property into a python object\n\n"
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" RETURNS: a string\n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("SetIntProp", AtomSetProp<int>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (a int).\n"
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" - value: the property value (a int).\n\n")
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.def("SetUnsignedProp", AtomSetProp<unsigned>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (an unsigned "
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"integer).\n"
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" - value: the property value (a int >= 0).\n\n")
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.def("GetIntProp", GetProp<Atom, int>, python::args("self", "key"),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (an int).\n\n"
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" RETURNS: an int\n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("GetUnsignedProp", GetProp<Atom, unsigned>,
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python::args("self", "key"),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (an unsigned "
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"integer).\n\n"
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" RETURNS: an integer (Python has no unsigned type)\n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("SetDoubleProp", AtomSetProp<double>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (a double).\n"
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" - value: the property value (a double).\n\n")
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.def("GetDoubleProp", GetProp<Atom, double>,
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python::args("self", "key"),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (a double).\n\n"
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" RETURNS: a double\n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("SetBoolProp", AtomSetProp<bool>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (a bool).\n"
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" - value: the property value (a bool).\n\n")
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.def("GetBoolProp", GetProp<Atom, bool>, python::args("self", "key"),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (a bool).\n\n"
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" RETURNS: a bool\n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("SetExplicitBitVectProp", AtomSetProp<ExplicitBitVect>,
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(python::arg("self"), python::arg("key"), python::arg("val")),
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"Sets an atomic property\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be set (an "
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"ExplicitBitVect).\n"
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" - value: the property value (an ExplicitBitVect).\n\n")
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.def("GetExplicitBitVectProp", GetProp<Atom, ExplicitBitVect>,
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python::args("self", "key"),
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"Returns the value of the property.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to return (a "
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"ExplicitBitVect).\n\n"
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" RETURNS: an ExplicitBitVect \n\n"
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" NOTE:\n"
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" - If the property has not been set, a KeyError exception "
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"will be raised.\n")
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.def("HasProp", AtomHasProp, python::args("self", "key"),
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"Queries a Atom to see if a particular property has been "
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"assigned.\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to check for (a string).\n")
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.def("ClearProp", AtomClearProp, python::args("self", "key"),
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"Removes a particular property from an Atom (does nothing if not "
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"already set).\n\n"
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" ARGUMENTS:\n"
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" - key: the name of the property to be removed.\n")
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.def("GetPropNames", &Atom::getPropList,
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(python::arg("self"), python::arg("includePrivate") = false,
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python::arg("includeComputed") = false),
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"Returns a list of the properties set on the Atom.\n\n")
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.def("GetPropsAsDict", GetPropsAsDict<Atom>,
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(python::arg("self"), python::arg("includePrivate") = true,
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python::arg("includeComputed") = true,
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python::arg("autoConvertStrings") = true),
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"Returns a dictionary of the properties set on the Atom.\n"
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" n.b. some properties cannot be converted to python types.\n")
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.def("UpdatePropertyCache", &Atom::updatePropertyCache,
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(python::arg("self"), python::arg("strict") = true),
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"Regenerates computed properties like implicit valence and ring "
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"information.\n\n")
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.def("NeedsUpdatePropertyCache", &Atom::needsUpdatePropertyCache,
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(python::arg("self")),
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"Returns true or false depending on whether implicit and explicit "
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"valence of the molecule have already been calculated.\n\n")
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.def("GetMonomerInfo", AtomGetMonomerInfo,
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python::return_internal_reference<
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1, python::with_custodian_and_ward_postcall<0, 1>>(),
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python::args("self"),
|
|
"Returns the atom's MonomerInfo object, if there is one.\n\n")
|
|
.def("GetPDBResidueInfo", AtomGetPDBResidueInfo,
|
|
python::return_internal_reference<
|
|
1, python::with_custodian_and_ward_postcall<0, 1>>(),
|
|
python::args("self"),
|
|
"Returns the atom's MonomerInfo object, if there is one.\n\n")
|
|
.def("SetMonomerInfo", SetAtomMonomerInfo, python::args("self", "info"),
|
|
"Sets the atom's MonomerInfo object.\n\n")
|
|
.def("SetPDBResidueInfo", AtomSetPDBResidueInfo,
|
|
python::args("self", "info"),
|
|
"Sets the atom's MonomerInfo object.\n\n")
|
|
.def("GetAtomMapNum", &Atom::getAtomMapNum, python::args("self"),
|
|
"Gets the atoms map number, returns 0 if not set")
|
|
.def("SetAtomMapNum", &Atom::setAtomMapNum,
|
|
(python::arg("self"), python::arg("mapno"),
|
|
python::arg("strict") = false),
|
|
"Sets the atoms map number, a value of 0 clears the atom map");
|
|
|
|
python::enum_<Atom::HybridizationType>("HybridizationType")
|
|
.value("UNSPECIFIED", Atom::UNSPECIFIED)
|
|
.value("S", Atom::S)
|
|
.value("SP", Atom::SP)
|
|
.value("SP2", Atom::SP2)
|
|
.value("SP3", Atom::SP3)
|
|
.value("SP2D", Atom::SP2D)
|
|
.value("SP3D", Atom::SP3D)
|
|
.value("SP3D2", Atom::SP3D2)
|
|
.value("OTHER", Atom::OTHER);
|
|
python::enum_<Atom::ChiralType>("ChiralType")
|
|
.value("CHI_UNSPECIFIED", Atom::CHI_UNSPECIFIED)
|
|
.value("CHI_TETRAHEDRAL_CW", Atom::CHI_TETRAHEDRAL_CW)
|
|
.value("CHI_TETRAHEDRAL_CCW", Atom::CHI_TETRAHEDRAL_CCW)
|
|
.value("CHI_OTHER", Atom::CHI_OTHER)
|
|
.value("CHI_TETRAHEDRAL", Atom::CHI_TETRAHEDRAL)
|
|
.value("CHI_ALLENE", Atom::CHI_ALLENE)
|
|
.value("CHI_SQUAREPLANAR", Atom::CHI_SQUAREPLANAR)
|
|
.value("CHI_TRIGONALBIPYRAMIDAL", Atom::CHI_TRIGONALBIPYRAMIDAL)
|
|
.value("CHI_OCTAHEDRAL", Atom::CHI_OCTAHEDRAL)
|
|
.export_values();
|
|
;
|
|
|
|
python::enum_<Queries::CompositeQueryType>("CompositeQueryType")
|
|
.value("COMPOSITE_AND", Queries::COMPOSITE_AND)
|
|
.value("COMPOSITE_OR", Queries::COMPOSITE_OR)
|
|
.value("COMPOSITE_XOR", Queries::COMPOSITE_XOR)
|
|
.export_values();
|
|
;
|
|
|
|
atomClassDoc =
|
|
"The class to store QueryAtoms.\n\
|
|
These cannot currently be constructed directly from Python\n";
|
|
python::class_<QueryAtom, python::bases<Atom>>(
|
|
"QueryAtom", atomClassDoc.c_str(), python::no_init)
|
|
.def("ExpandQuery", expandQuery,
|
|
(python::arg("self"), python::arg("other"),
|
|
python::arg("how") = Queries::COMPOSITE_AND,
|
|
python::arg("maintainOrder") = true),
|
|
"combines the query from other with ours")
|
|
.def("SetQuery", setQuery, (python::arg("self"), python::arg("other")),
|
|
"Replace our query with a copy of the other query");
|
|
|
|
python::def(
|
|
"GetAtomRLabel", getAtomRLabel, (python::arg("atom")),
|
|
"Returns the atom's MDL AtomRLabel (this is an integer from 0 to 99)");
|
|
python::def("SetAtomRLabel", setAtomRLabel,
|
|
(python::arg("atom"), python::arg("rlabel")),
|
|
"Sets the atom's MDL RLabel (this is an integer from 0 to "
|
|
"99).\nSetting to 0 clears the rlabel.");
|
|
|
|
python::def("GetAtomAlias", getAtomAlias, (python::arg("atom")),
|
|
"Returns the atom's MDL alias text");
|
|
python::def("SetAtomAlias", setAtomAlias,
|
|
(python::arg("atom"), python::arg("rlabel")),
|
|
"Sets the atom's MDL alias text.\nSetting to an empty string "
|
|
"clears the alias.");
|
|
python::def("GetAtomValue", getAtomValue, (python::arg("atom")),
|
|
"Returns the atom's MDL alias text");
|
|
python::def("SetAtomValue", setAtomValue,
|
|
(python::arg("atom"), python::arg("rlabel")),
|
|
"Sets the atom's MDL alias text.\nSetting to an empty string "
|
|
"clears the alias.");
|
|
|
|
python::def("GetSupplementalSmilesLabel", getSupplementalSmilesLabel,
|
|
(python::arg("atom")),
|
|
"Gets the supplemental smiles label on an atom, returns an "
|
|
"empty string if not present.");
|
|
python::def(
|
|
"SetSupplementalSmilesLabel", setSupplementalSmilesLabel,
|
|
(python::arg("atom"), python::arg("label")),
|
|
"Sets a supplemental label on an atom that is written to the smiles "
|
|
"string.\n\n"
|
|
">>> m = Chem.MolFromSmiles(\"C\")\n"
|
|
">>> Chem.SetSupplementalSmilesLabel(m.GetAtomWithIdx(0), '<xxx>')\n"
|
|
">>> Chem.MolToSmiles(m)\n"
|
|
"'C<xxx>'\n");
|
|
}
|
|
};
|
|
} // namespace RDKit
|
|
void wrap_atom() { RDKit::atom_wrapper::wrap(); }
|