mirror of
https://github.com/rdkit/rdkit.git
synced 2026-06-04 21:54:27 +08:00
292 lines
9.7 KiB
C++
Executable File
292 lines
9.7 KiB
C++
Executable File
// $Id$
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//
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// Copyright (C) 2003-2010 Greg Landrum and Rational Discovery LLC
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//
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// @@ All Rights Reserved @@
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//
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#define NO_IMPORT_ARRAY
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#include <boost/python.hpp>
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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 <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 "seqs.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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namespace {
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std::string qhelper(Atom::QUERYATOM_QUERY *q,int depth){
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std::string res="";
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if(q){
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for (unsigned int i=0;i<depth;++i) res+=" ";
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res += q->getDescription()+"\n";
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for(Atom::QUERYATOM_QUERY::CHILD_VECT_CI ci=q->beginChildren();
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ci!=q->endChildren();++ci){
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res += qhelper((*ci).get(),depth+1);
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}
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}
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return res;
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}
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} // end of local namespace
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std::string describeQuery(const Atom*atom){
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std::string res="";
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if(atom->hasQuery()){
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res=qhelper(atom->getQuery(),0);
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}
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return res;
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}
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void AtomSetProp(const Atom *atom, const char *key,std::string val) {
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//std::cerr<<"asp: "<<atom<<" " << key<<" - " << val << std::endl;
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atom->setProp(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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std::string AtomGetProp(const Atom *atom, const char *key) {
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if (!atom->hasProp(key)) {
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PyErr_SetString(PyExc_KeyError,key);
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throw python::error_already_set();
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}
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std::string res;
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atom->getProp(key, res);
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return res;
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}
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python::tuple AtomGetNeighbors(Atom *atom){
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python::list res;
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const ROMol *parent = &atom->getOwningMol();
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ROMol::ADJ_ITER begin,end;
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boost::tie(begin,end) = parent->getAtomNeighbors(atom);
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while(begin!=end){
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res.append(python::ptr(parent->getAtomWithIdx(*begin)));
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begin++;
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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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const ROMol *parent = &atom->getOwningMol();
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ROMol::OEDGE_ITER begin,end;
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boost::tie(begin,end) = parent->getAtomBonds(atom);
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while(begin!=end){
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Bond *tmpB = (*parent)[*begin].get();
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res.append(python::ptr(tmpB));
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begin++;
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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()->isInitialized()){
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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()->isInitialized()){
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MolOps::findSSSR(atom->getOwningMol());
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}
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return atom->getOwningMol().getRingInfo()->isAtomInRingOfSize(atom->getIdx(),size);
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}
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std::string AtomGetSmarts(const Atom *atom){
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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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res = SmilesWrite::GetAtomSmiles(atom);
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}
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return res;
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}
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// FIX: is there any reason at all to not just prevent the construction of Atoms?
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std::string atomClassDoc="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>("Atom",atomClassDoc.c_str(),python::init<std::string>())
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.def(python::init<unsigned int>("Constructor, takes either an int (atomic number) or a string (atomic symbol).\n"))
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.def("GetAtomicNum",&Atom::getAtomicNum,
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"Returns the atomic number.")
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.def("SetAtomicNum",&Atom::setAtomicNum,
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"Sets the atomic number, takes an integer value as an argument")
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.def("GetSymbol",&Atom::getSymbol,
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"Returns the atomic number (a string)\n")
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.def("GetIdx",&Atom::getIdx,
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"Returns the atom's index (ordering in the molecule)\n")
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.def("GetDegree",&Atom::getDegree,
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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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)
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.def("GetTotalDegree",&Atom::getTotalDegree,
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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 atom.\n\n"
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" ARGUMENTS:\n\n"
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" - includeNeighbors: (optional) toggles inclusion of neighboring H atoms in the sum.\n"
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" Defaults to 0.\n")
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.def("GetNumImplicitHs",&Atom::getNumImplicitHs,
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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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"Returns the number of explicit Hs on the atom.\n")
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.def("GetImplicitValence",&Atom::getImplicitValence,
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"Returns the number of implicit Hs on the atom.\n")
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.def("GetFormalCharge",&Atom::getFormalCharge)
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.def("SetFormalCharge",&Atom::setFormalCharge)
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.def("SetNoImplicit",&Atom::setNoImplicit,
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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 added.\n")
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.def("GetNoImplicit",&Atom::getNoImplicit,
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"Returns whether or not the atom is *allowed* to have implicit Hs.\n")
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.def("SetNumExplicitHs",&Atom::setNumExplicitHs)
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.def("GetNumExplicitHs",&Atom::getNumExplicitHs)
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.def("SetIsAromatic",&Atom::setIsAromatic)
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.def("GetIsAromatic",&Atom::getIsAromatic)
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.def("SetMass",&Atom::setMass)
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.def("GetMass",&Atom::getMass)
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.def("SetNumRadicalElectrons",&Atom::setNumRadicalElectrons)
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.def("GetNumRadicalElectrons",&Atom::getNumRadicalElectrons)
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// NOTE: these may be used at some point in the future, but they
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// aren't now, so there's no point in confusing things.
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//.def("SetDativeFlag",&Atom::setDativeFlag)
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//.def("GetDativeFlag",&Atom::getDativeFlag)
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//.def("ClearDativeFlag",&Atom::clearDativeFlag)
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.def("SetChiralTag",&Atom::setChiralTag)
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.def("InvertChirality",&Atom::invertChirality)
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.def("GetChiralTag",&Atom::getChiralTag)
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.def("SetHybridization",&Atom::setHybridization,
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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,
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"Returns the atom's hybridization.\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_value_policy<python::reference_existing_object>())
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.def("GetNeighbors",AtomGetNeighbors,
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"Returns a read-only sequence of the atom's neighbors\n")
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.def("GetBonds",AtomGetBonds,
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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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"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,
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"Returns whether or not the atom is in a ring of a particular 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,
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"Returns whether or not the atom is in a ring\n\n")
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.def("HasQuery",&Atom::hasQuery,
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"Returns whether or not the atom has an associated query\n\n")
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.def("DescribeQuery",describeQuery,
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"returns a text description of the query. Primarily intended for debugging purposes.\n\n")
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.def("GetSmarts",AtomGetSmarts,
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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,
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(python::arg("self"), python::arg("key"),
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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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)
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.def("GetProp", AtomGetProp,
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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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" 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 will be raised.\n")
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.def("HasProp", AtomHasProp,
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"Queries a Atom to see if a particular property has been 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("GetPropNames",&Atom::getPropList,
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(python::arg("self")),
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"Returns a list of the properties set on the Atom.\n\n"
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)
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;
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python::enum_<Atom::HybridizationType>("HybridizationType")
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.value("UNSPECIFIED",Atom::UNSPECIFIED)
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.value("SP",Atom::SP)
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.value("SP2",Atom::SP2)
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.value("SP3",Atom::SP3)
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.value("SP3D",Atom::SP3D)
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.value("SP3D2",Atom::SP3D2)
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.value("OTHER",Atom::OTHER)
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;
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python::enum_<Atom::ChiralType>("ChiralType")
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.value("CHI_UNSPECIFIED",Atom::CHI_UNSPECIFIED)
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.value("CHI_TETRAHEDRAL_CW",Atom::CHI_TETRAHEDRAL_CW)
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.value("CHI_TETRAHEDRAL_CCW",Atom::CHI_TETRAHEDRAL_CCW)
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.value("CHI_OTHER",Atom::CHI_OTHER)
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;
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};
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};
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}// end of namespace
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void wrap_atom() {
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RDKit::atom_wrapper::wrap();
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}
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